£112 Cheap JetBlue Airways flights from Boston to Seattle (BOS→SEA)

View £112 flight on Tue, 16 Jun 2026Opens in a new window

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

Prices were available within the past 7 days and start at £112 for one-way flights and £248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, 9 Oct - Tue, 13 Oct
BOS
Boston
SEA
Seattle
£248 Return, found 3 days ago
£248
Return
found 3 days ago
Select JetBlue Airways flight, departing Fri, 9 Oct from Boston to Seattle, returning Tue, 13 Oct, priced at £248 found 3 days ago
JetBlue Airways
Fri, 15 May - Sat, 23 May
BOS
Boston
SEA
Seattle
£270 Return, found 4 hours ago
£270
Return
found 4 hours ago
Select JetBlue Airways flight, departing Fri, 15 May from Boston to Seattle, returning Sat, 23 May, priced at £270 found 4 hours ago
JetBlue Airways
Mon, 15 Jun - Wed, 24 Jun
BOS
Boston
SEA
Seattle
£283 Return, found 1 day ago
£283
Return
found 1 day ago
Select JetBlue Airways flight, departing Mon, 15 Jun from Boston to Seattle, returning Wed, 24 Jun, priced at £283 found 1 day ago
JetBlue Airways
Wed, 3 Jun - Wed, 10 Jun
BOS
Boston
SEA
Seattle
£286 Return, found 7 hours ago
£286
Return
found 7 hours ago
Select JetBlue Airways flight, departing Wed, 3 Jun from Boston to Seattle, returning Wed, 10 Jun, priced at £286 found 7 hours ago
JetBlue Airways
Sat, 16 May - Sat, 23 May
BOS
Boston
SEA
Seattle
£295 Return, found 4 hours ago
£295
Return
found 4 hours ago
Select JetBlue Airways flight, departing Sat, 16 May from Boston to Seattle, returning Sat, 23 May, priced at £295 found 4 hours ago
JetBlue Airways
Sat, 16 May - Sat, 23 May
BOS
Boston
SEA
Seattle
£315 Return, found 4 hours ago
£315
Return
found 4 hours ago
Select JetBlue Airways flight, departing Sat, 16 May from Boston to Seattle, returning Sat, 23 May, priced at £315 found 4 hours ago

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from £368
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from £368

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

March is typically the cheapest month to fly

From £119 - £233 per traveller.

Frequently asked questions

How much is a JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)?
Landing cheap one-way JetBlue Airways flights from BOS to SEA from £112 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from £248 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 BOS to SEA with JetBlue Airways?
January is one of the cheapest months to jet off to Seattle with JetBlue Airways. You could also find great prices on one-way and return fares in February.
Does JetBlue Airways fly nonstop from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)?
Skip the layovers and fly from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA) on any of JetBlue Airways's 7 weekly direct flights. Use Expedia's "Nonstop" and "Airline" filters to find the JetBlue Airways flight that'll land at SEA at your preferred time.
How long does it take to fly from BOS to SEA with JetBlue Airways?
The journey time for a direct JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA) typically takes 6h 25m.
What airports does JetBlue Airways fly into in Seattle?
JetBlue Airways flights from Logan Intl. Airport (BOS) to Seattle come in to Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this destination.
What type of plane does JetBlue Airways fly from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)?
Book a JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA), and you'll likely be flying on an Airbus A320 family. Bear in mind though, that the aircraft type can change depending on operational reasons.
Can I change or cancel my JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)?
Depending on the type of ticket you purchased, a fee typically applies if you modify or cancel your flight more than 24 hours after confirmation. To secure flexible plane tickets, select our "No cancel fee" or "Changes included" filter when you search for flights. For more information on cancelling or changing your reservation, visit "Trips," select your flight and click on "Manage Booking."

Travel information

Origin airport
Logan Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Popular airline
Alaska Airlines
Distance
3980 km
Average flight time
4 hours 43 mins

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