Book Cheap Boston to Seattle with United Airlines Flights - offers best deals on Boston to Seattle flight booking. Lowest airfare @Rs 11559.Book Cheap Boston to Seattle with United Airlines Flights - offers best deals on Boston to Seattle flight booking. Lowest airfare @Rs 11559. Sun, 8 Dec SEA - BOS with United. 1 stop. from £204. Seattle. £204 per passenger.Departing Wed, 23 Oct, returning Sat, 26 Oct.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 23 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from ... Atlanta, GA - Hartsfield-Jackson Atlanta Intl Airport is the most popular connection for one stop flights between Boston, MA and Seattle; In-Flight information. The average flying time for a direct flight from Boston, MA to Seattle is 6 hours 24 minutes; Most direct flights leave around 7:00 EDT; Korean Air flight #25 is today's earliest flight ... Hainan’s service is currently scheduled for three round-trip flights every Wednesday, Friday, and Sunday, and the Beijing-bound flights from Boston also stop at Seattle-Tacoma International ... Direct. from $286. Boston.$287 per passenger.Departing Mon, Apr 29, returning Tue, May 7.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Mon, Apr 29, arriving in Boston Logan International.Inbound direct flight with Alaska Airlines departing from Boston Logan ... Maybe you need flights from Boston to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from BOS to SEA, we’ve got you covered here at Flights.com.The cheapest flight to Boston in the next 60 days costs $105.95 and departs on 7th May. 5h 30m. Shortest flight time. $105.95. Cheapest flight in next 60 days. 4000 km. Distance.Cheap Flights from Seattle to Boston Logan International from $395 in 2024 | Skyscanner. Return One way Multi-city. 27/04/2024. 04/05/2024. 1 adult, Economy. Direct flights … Cheap Flights from Boston to North Seattle (BOS-SEA) Prices were available within the past 7 days and start at $91 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. Cheap flights from Boston to Seattle (BOS - SEA) from $89. Round-trip One-way Multi-city. From? To? Tue 4/2. Tue 4/9. 1 adult. Economy. Find Your Flight. The best prices … My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Prices were available within the past 7 days and start at ₹11,552 for one-way flights and ₹21,344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Compare & reserve one-way or return flights from Boston to Seattle from ₹11,552 only to get the best flight deals and promotions ...Enjoy a complimentary meal and our in-flight entertainment system on Dublin and Shannon connecting transatlantic flights from Boston with Aer Lingus. With three Wi-Fi options to choose from, you can keep in touch while you’re in the sky. Flying from Boston. Boston Logan International Airport (BOS) is located 5 km from city centre in EastCheapest Flights from Boston (BOS) to Seattle (SEA) The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $337 round trip and CA $170 one way. Prices and availability subject to change. Additional terms may apply. Thu., 25 Apr. - Sun., 28 Apr. BOS. Boston. SEA. Seattle.Boston to Seattle / Tacoma Flights. Flights from BOS to SEA are operated 32 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 19:59. The earliest flight departs at 06:30, the last flight departs at 19:59. However, this depends on the date you are flying so please check with the full flight schedule above ...Cheap flights from Boston to Seattle (BOS - SEA) from $89. Round-trip One-way Multi-city. From? To? Tue 4/2. Tue 4/9. 1 adult. Economy. Find Your Flight. The best prices …Cheap flights from Seattle (SEA) to Boston (BOS) Prices were available within the past 7 days and start at CA $164 for one-way flights and CA $296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Boston with no change fee on selected ...AS349 and Boston BOS to Seattle SEA Flights. Flight AS349 is code-shared by 4 airlines using the flight numbers AA9369, DE5065, JL6357, TN2336. Other flights departing from Boston BOS: B6167, DL5670, AA2600, DL627. Other flights arriving at Seattle SEA: UA1986, WN4275, WN4269, AS2185. All flights connecting Boston BOS to Seattle SEA.Search and compare first class flight deals to Boston. Fly from Washington, D.C. from $319, from Washington, D.C. from $338, from Chicago from $387. Book your first class tickets to Boston.The cheapest way to get from Boston to Seattle costs only $294, and the quickest way takes just 7½ hours. Find the travel option that best suits you. ... Flights from Boston to Seattle via Minneapolis Ave. Duration 7h 50m When Monday, Wednesday, Thursday, and Friday Estimated price $290–900. Show more operators. Train operators. My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Direct flights from Boston to Seattle. All flights from BOS to SEA non-stop. There are direct flights from General Edward Lawrence Logan International, Massachusetts, USA to Seattle Tacoma International (SEA), Washington, USA every day of the week The flight distance is 2502 miles and the trip usually takes about 6 hours and 9 minutes.Seattle / Tacoma to Boston Flights. Flights from SEA to BOS are operated 33 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 23:59. The earliest flight departs at 06:30, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above ...Moving From Boston To Seattle 🚚 Apr 2024. moving from seattle to spokane, train from boston to seattle, tickets to boston from seattle, flights from boston to seattle, amazon moving from seattle, distance from seattle to boston, moving out of seattle, driving from seattle to boston Dome-shaped signal and fauna, and agencies operate with ...Options for some of the cheapest premium economy flights from Boston we have found on Cheapflights are as follows: Fly from Boston Logan Intl to Memphis starting at $408. Fly from Boston Logan Intl to Sarasota starting at $412. Fly from Boston Logan Intl to Myrtle Beach starting at $438.Cheap flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at CA $160 for one-way flights and CA $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Seattle with no change fee on selected ... Direct. from $286. Boston.$287 per passenger.Departing Mon, Apr 29, returning Tue, May 7.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Mon, Apr 29, arriving in Boston Logan International.Inbound direct flight with Alaska Airlines departing from Boston Logan ... Airlines adjust prices for flights from Boston to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.From Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Boston, MA Airport (BOS-Logan Intl.), you’ll be flying a distance of 2500 miles (4000 km). Pick who you travel with wisely. Entertainment, food and comfort are some of the things any …Maybe you need flights from Boston to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from BOS to SEA, we’ve got you covered here at Flights.com.Wed, 15 May BOS - SEA with Frontier Airlines. 1 stop. from £186. Boston. £202 per passenger.Departing Sat, 27 Apr, returning Sun, 28 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 27 Apr, arriving in Boston Logan International.Inbound direct flight with Delta departs from ...On average, a flight to Boston costs $298. The cheapest price found on KAYAK in the last 2 weeks cost $29 and departed from Myrtle Beach. The most popular routes on KAYAK are Washington, D.C. to Boston which costs $306 on average, and San Francisco to Boston, which costs $428 on average. See prices from:The cheapest month for flights from Seattle to Boston is February, where tickets cost £175 on average. On the other hand, the most expensive months are June and July, where … Book JetBlue flights and vacation packages to 100+ destinations. Award-winning service, the most legroom in coach, free wi-fi, live TV, movies, snacks, and more. Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $112 one-way. Flex your dates to find the best BOS–SEA ticket prices.AS349 and Boston BOS to Seattle SEA Flights. Flight AS349 is code-shared by 4 airlines using the flight numbers AA9369, DE5065, JL6357, TN2336. Other flights departing from Boston BOS: B6167, DL5670, AA2600, DL627. Other flights arriving at Seattle SEA: UA1986, WN4275, WN4269, AS2185. All flights connecting Boston BOS to Seattle SEA.Mar 22, 2024 · The two airlines most popular with KAYAK users for flights from Boston to Seattle are Alaska Airlines and JetBlue. With an average price for the route of $372 and an overall rating of 8.3, Alaska Airlines is the most popular choice. JetBlue is also a great choice for the route, with an average price of $398 and an overall rating of 8.1. Mar 15, 2024 · Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $112 one-way. Flex your dates to find the best BOS–SEA ticket prices. Flight deals from Seattle to Boston Logan International. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Boston Logan International? Find the …Flights from Boston to Seattle with American Airlines. Round trip. 1 Adult, Economy class. Book with cash. From. To. Depart. 04/26/24. today. Return. 05/03/24. today. Home. …The cheapest flight to Boston in the next 60 days costs $105.95 and departs on 7th May. 5h 30m. Shortest flight time. $105.95. Cheapest flight in next 60 days. 4000 km. Distance.Purchase a flight up to 331 days in advance. You can now purchase flights as far out as 331 days from the date of booking at any time. Our flight schedules will automatically extend day-by-day. Check out our Best Fare Finder to see if we have flights scheduled during your desired dates for a chosen route. See flight availability.This is equivalent to 4 011 kilometers or 2,166 nautical miles. Your trip begins in Boston, Massachusetts. It ends in Seattle, Washington. Your flight direction from Boston, MA to Seattle, WA is Northwest (-64 degrees from North). The distance calculator helps you figure out how far it is to get from Boston, MA to Seattle, WA.Cheap Flights from Seattle (SEA) to Boston (BOS) Prices were available within the past 7 days and start at £102 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Seattle to Boston with no change fee on selected ...Moving From Boston To Seattle 🚚 Apr 2024. moving from seattle to spokane, train from boston to seattle, tickets to boston from seattle, flights from boston to seattle, amazon moving from seattle, distance from seattle to boston, moving out of seattle, driving from seattle to boston Dome-shaped signal and fauna, and agencies operate with ...Mar 22, 2024 · The two airlines most popular with KAYAK users for flights from Boston to Seattle are Alaska Airlines and JetBlue. With an average price for the route of $372 and an overall rating of 8.3, Alaska Airlines is the most popular choice. JetBlue is also a great choice for the route, with an average price of $398 and an overall rating of 8.1. There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found …Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £103 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Boston to Seattle with no change fee on selected ... The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $247 round trip and one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 3 - Wed, Apr 10. BOS. Boston. SEA. Seattle. Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from £85 one-way. Flex … Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 1 stop $217. Spokane 1 stop $316. Pasco 1 stop $377. Bellingham 1 stop $452. Pullman 1 stop $517. Wenatchee 1 stop $552. Portland 1 stop $220. Flights from Seattle to Boston via Chicago Midway Ave. Duration 7h 30m When Saturday Estimated price $220 - $700 Flights from Seattle to Providence via Chicago Midway Ave. Duration 7h 15m When Monday to Friday Estimated price $230 - $750 Flights from Seattle to Providence via Baltimore Ave. Duration 12h 10m When Cheap Seattle to Boston flights in April & May 2024. Listed are some of the best fares we've found on flights departing from Seattle to Boston in 2024. Check back regularly for other flight deals. jue. 2/5 9:05 p.m. SEA - BOS. Nonstop 5h 31m JetBlue. mié. 8/5 4:25 p.m. BOS - SEA. Nonstop 6h 05m JetBlue.Book Cheap Flights from Seattle to Boston. Looking for flights from Seattle to Boston? Look no more, for you’re at the right place. Book cheap flights from Seattle to Boston on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world.ASA460. B739. Arrived / Delayed. Thu 03:43PM PST. 11:57PM EST Thu. Seattle-Tacoma Intl (KSEA) - Boston Logan Intl (KBOS) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.Seattle , WA. Distance. 2502 miles · (4026 km) CHANGE DIRECTION. Flight time. 6 hours and 45 minutes. Airlines with direct flights from Boston (BOS) to Seattle (SEA) Alaska …Flight B6197 from Boston to Seattle is operated by JetBlue Airways. Scheduled time of departure from Boston Logan Intl is 17:24 EDT and scheduled time of arrival in Seattle Tacoma Intl is 20:35 PDT. The duration of the flight JetBlue Airways B6 197 is 6 hours 11 minutes.Flights from Sun Country Air traveling this route typically cost $397.79 RT. This price is typically 78% cheaper than other airlines that offer Seattle to Boston flights. When booking this route, the cheapest RT price found was $138.Prices were available within the past 7 days and start at ₹11,552 for one-way flights and ₹21,344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Compare & reserve one-way or return flights from Boston to Seattle from ₹11,552 only to get the best flight deals and promotions ... The cheapest month for flights from Boston to Seattle is January, where tickets cost ₹ 18,148 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is ₹ 42,820 and ₹ 41,649 respectively. The most reliable airlines for Boston to Seattle flights are EL AL, LATAM Airlines, and Condor. They have arrived on schedule on over 96% of recent flights to Seattle. What is best Boston to Seattle flight price on Priceline? Cheap flights from Boston to Seattle start from $128. Anything between $128 and $939 is a good price. Cheap Flights from Boston Logan International (BOS) to Seattle (SEA) from $232 | Skyscanner. Roundtrip One way Multi-city. Depart. 4/14/24. Return. 4/21/24. Travelers …Mon, May 13 BOS – SEA with Spirit Airlines. 1 stop. from $247. Boston.$253 per passenger.Departing Tue, Apr 30, returning Tue, May 14.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Seattle / Tacoma International on Tue, Apr 30, arriving in Boston Logan International.Inbound indirect ...Return flights from Seattle SEA to Boston BOS with United If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $620 to $620, it’s easy to find a flight that suits your budget.From Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Boston, MA Airport (BOS-Logan Intl.), you’ll be flying a distance of 2500 miles (4000 km). Pick who you travel with wisely. Entertainment, food and comfort are some of the things any …Reportedly, Air India may deploy Boeing 777-9 for its likely nonstop service to India from Dallas and Los Angeles. A fleet of new widebody B777-9 planes will join Air India starting from the end of 2024, as part of the US$34-billion deal with Boeing. Currently, IndianEagle.com has best deals for LAX, Seattle and Dallas to India flights by ...The two airlines most popular with KAYAK users for flights from San Diego to Boston are Alaska Airlines and Delta. With an average price for the route of $417 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $373 and an overall rating of 8.0.There are 3 airlines that fly nonstop from Boston to Atlanta. They are: Delta, JetBlue and Spirit Airlines. The cheapest price of all airlines flying this route was found with Spirit Airlines at $68 for a one-way flight. On average, the best prices for …Flight deals from Seattle to Boston Logan International. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Boston Logan International? Find the …Connecting flights between Boston, MA and Seattle, WA. Here is a list of connecting flights from Boston, Massachusetts to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 15 flights to Seattle, WA with one connection: Airline routes; American Airlines BOS to CLT to SEATo reach Seattle from Boston, you can book airlines that include JetBlue Airways and American Airlines. The flight to Seattle from Boston is about six hours ten minutes excluding the layover time. This flight covers the distance of 2492 miles. Pass the time by watching in-flight movies or listening to music.Southwest destinations from Seattle with flights in the past. AUS Austin. LAST FLIGHT WAS SCHEDULED 2018-01-05 HOU Houston. LAST FLIGHT WAS SCHEDULED 2020-09-05 MKE Milwaukee. LAST FLIGHT WAS SCHEDULED 2020-09-05 SAN San Diego. LAST FLIGHT WAS SCHEDULED 2020-09-05 Frequently Asked Questions (FAQ)Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £110 for one-way flights and £205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.The two airlines most popular with KAYAK users for flights from Boston to Denver are Alaska Airlines and Delta. With an average price for the route of $418 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $331 and an overall rating of 8.0.Flights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport.The two airlines most popular with KAYAK users for flights from Seattle to Hartford are Alaska Airlines and Delta. With an average price for the route of $774 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $647 and an overall rating of 8.0.Flight B6197 from Boston to Seattle is operated by JetBlue Airways. Scheduled time of departure from Boston Logan Intl is 17:24 EDT and scheduled time of arrival in Seattle Tacoma Intl is 20:35 PDT. The duration of the flight JetBlue Airways B6 197 is 6 hours 11 minutes.Cheap Flights from Boston Logan International (BOS) to Seattle (SEA) from $232 | Skyscanner. Roundtrip One way Multi-city. Depart. 4/14/24. Return. 4/21/24. Travelers … My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Connecting flights between Boston, MA and Seattle, WA. Here is a list of connecting flights from Boston, Massachusetts to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 15 flights to Seattle, WA with one connection: Airline routes; American Airlines BOS to CLT to SEAShop these exclusive vacation deals from Seattle. The Fly Delta app makes travel easier than ever before. Book a flight, speed through security, track your bag, have your gate information all in one place and more - only with the Fly Delta app. A portion of travel for some itineraries may be on the Delta Connection® carriers: Endeavor Air, Inc ...Airport information for your flight from Boston (BOS) Logan International Airport (BOS), often referred to as Boston Logan, is located three miles (five km) from downtown. Access the airport’s free Wi-Fi while you wait for your flight from Boston. The Boston airport has a United Club℠ location.The two airlines most popular with KAYAK users for flights from Boston to Denver are Alaska Airlines and Delta. With an average price for the route of $418 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $331 and an overall rating of 8.0.Fall sees many cultural festivals, such as Croatia Fest, Fremont Oktoberfest and TurkFest. Winter highlights include Winterfest, Seattle Boat Show and Wintergrass Bluegrass Festival. Book cheap flights to Seattle (SEA) with United Airlines. Enjoy all the in-flight perks on your Seattle flight, including speed Wi-Fi.Amazing American Airlines BOS to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $316 round trip and $152 one way. Prices and availability subject to change. Additional terms may apply. Sat, Mar 23 - Mon, Mar 25.
Find United Airlines cheap flights from Boston to Seattle. Enjoy a Boston to Seattle modern flight experience in premium cabins with Wi-Fi.. Airfare from dc to atlanta
Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Boston. Find the best flights fast, track prices, and book with confidence.On average, a flight to Seattle costs $373. The cheapest price found on KAYAK in the last 2 weeks cost $44 and departed from Phoenix Sky Harbor Intl Airport. The most popular routes on KAYAK are Chicago to Seattle which costs $357 on average, and Los Angeles to Seattle, which costs $355 on average. See prices from:ATL. Hartsfield-Jackson Atlanta Intl. $106. Roundtrip. just found. Cheap flights from Boston , MA to all destinations. Find best deals for flights from Boston , MA from top airlines with great prices at Expedia.com. The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA) Flights from Boston to Shanghai. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to Shanghai.Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to anywhere in the world.AS349 and Boston BOS to Seattle SEA Flights. Flight AS349 is code-shared by 4 airlines using the flight numbers AA9369, DE5065, JL6357, TN2336. Other flights departing from Boston BOS: B6167, DL5670, AA2600, DL627. Other flights arriving at Seattle SEA: UA1986, WN4275, WN4269, AS2185. All flights connecting Boston BOS to Seattle SEA.The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA) Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 1 stop $217. Spokane 1 stop $316. Pasco 1 stop $377. Bellingham 1 stop $452. Pullman 1 stop $517. Wenatchee 1 stop $552. Portland 1 stop $220. Seattle , WA. Distance. 2502 miles · (4026 km) CHANGE DIRECTION. Flight time. 6 hours and 45 minutes. Airlines with direct flights from Boston (BOS) to Seattle (SEA) Alaska … There are 4 airlines that fly nonstop from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $133 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. .