£111 Cheap JetBlue Airways flights from Seattle to Boston (SEA→BOS)

View £111 flight on Tue, 13 Oct 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

JetBlue Airways flights from Seattle to Boston (SEA→BOS)

Prices were available within the past 7 days and start at £111 for one-way flights and £224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, 19 Sept - Sat, 26 Sept
SEA
Seattle
BOS
Boston
£224 Return, found 6 days ago
£224
Return
found 6 days ago
Select JetBlue Airways flight, departing Sat, 19 Sept from Seattle to Boston, returning Sat, 26 Sept, priced at £224 found 6 days ago
JetBlue Airways
Thu, 11 Jun - Tue, 16 Jun
SEA
Seattle
BOS
Boston
£249 Return, found 2 hours ago
£249
Return
found 2 hours ago
Select JetBlue Airways flight, departing Thu, 11 Jun from Seattle to Boston, returning Tue, 16 Jun, priced at £249 found 2 hours ago
JetBlue Airways
Sat, 19 Sept - Sat, 26 Sept
SEA
Seattle
BOS
Boston
£257 Return, found 6 days ago
£257
Return
found 6 days ago
Select JetBlue Airways flight, departing Sat, 19 Sept from Seattle to Boston, returning Sat, 26 Sept, priced at £257 found 6 days ago
JetBlue Airways
Tue, 9 Jun - Mon, 15 Jun
SEA
Seattle
BOS
Boston
£262 Return, found 1 day ago
£262
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 9 Jun from Seattle to Boston, returning Mon, 15 Jun, priced at £262 found 1 day ago
JetBlue Airways
Sat, 19 Sept - Sat, 26 Sept
SEA
Seattle
BOS
Boston
£264 Return, found 6 days ago
£264
Return
found 6 days ago
Select JetBlue Airways flight, departing Sat, 19 Sept from Seattle to Boston, returning Sat, 26 Sept, priced at £264 found 6 days ago
JetBlue Airways
Fri, 15 May - Wed, 20 May
SEA
Seattle
BOS
Boston
£270 Return, found 3 days ago
£270
Return
found 3 days ago
Select JetBlue Airways flight, departing Fri, 15 May from Seattle to Boston, returning Wed, 20 May, priced at £270 found 3 days ago

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city centre is 7 minutes. Flights from £450
BOS
Logan Intl.
CheapestClosest
Average driving time to city centre7 min
Flights from £450

Find the cheapest month to fly from Seattle (SEA) to Boston (BOS)

March is typically the cheapest month to fly

From £119 - £233 per traveller.

Frequently asked questions

How much is a JetBlue Airways flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS)?
Landing cheap one-way JetBlue Airways flights from SEA to BOS from £111 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from £224 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to BOS with JetBlue Airways?
January is one of the cheapest months to get away to Boston with JetBlue Airways. You could also find great deals on one-way and round-trip fares in February.
Does JetBlue Airways fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS)?
Take off on one of JetBlue Airways's 7 weekly direct flights from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS). To see your options, enter your origin, dates and destination and hit search. Then select the "Nonstop" and "Airline" filters.
How long does it take to fly from SEA to BOS with JetBlue Airways?
Take off from Seattle - Tacoma Intl. Airport (SEA) for Logan Intl. Airport (BOS) on a nonstop JetBlue Airways flight, and you'll be in the air for approximately 5h 10m.
What airports does JetBlue Airways fly into in Boston?
Catch a JetBlue Airways flight from Seattle - Tacoma Intl. Airport (SEA) to Boston, and you'll likely come in to Logan Intl. Airport (BOS). This is the airline's primary hub here.
What type of plane does JetBlue Airways fly from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS)?
Hop on a JetBlue Airways flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS), and you'll probably board an Airbus A320 family. Bear in mind though, that the aircraft type can change due to operational demands.
Can I change or cancel my JetBlue Airways flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS)?
It's generally possible to cancel or modify your flight, although there may be a charge if you booked more than 24 hours ago. Need to keep your options open? Use Expedia's "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you need to adjust your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Popular airline
Alaska Airlines
Distance
3980 km
Average flight time
8 hours 59 mins

Explore a world of travel with Expedia

*Available to Expedia members.