$209 Cheap JetBlue Airways flights Boston (BOS) to Seattle (SEA)

View $209 flight on Fri, Sep 18, 2026Opens in a new window

$209 Cheap JetBlue Airways flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $209 for one-way flights and $417 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Sep 18 - Mon, Sep 28
BOS
Boston
SEA
Seattle
$417 Roundtrip, found 2 days ago
$417
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Sep 18 from Boston to Seattle, returning Mon, Sep 28, priced at $417 found 2 days ago

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

March is typically the cheapest month to fly

From $157 - $307 per traveler.

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 center is 20 minutes. Flights from $962
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $962
Flights from Boston (BOS) to Seattle (SEA)
Origin airport
Logan Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3980 km
Average flight time
4 hours 6 mins