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Nonstop route · United States → United States

Cheap flights from Boston to Seattle from US$227

Alaska Airlines, Delta Air Lines and JetBlue Airways fly nonstop from Boston to Seattle, about 42 flights a week. The flight takes around 6h 17m, and the cheapest one-way fare we found recently is US$227 on 31 May.

Direct flights available ~42 flights a week 6h 17m Cheapest in May Prices checked 13 days ago
BOSSEA

Boston to Seattle at a glance

Cheapest one-wayUS$227JetBlue Airways · nonstop · Mon 31 MayCheapest returnUS$415Thu 7 Jan – Mon 11 JanFastest flight6h 17mJetBlue Airways · nonstop
Nonstop flights42/wkAlaska Airlines, Delta Air Lines, JetBlue Airways

Airlines flying nonstop from Boston to Seattle

3 airlines on this route, about 42 flights a week in total (observed over the last 4 weeks).

AirlineFlights a weekTypical departuresFromSearch
Alaska Airlines~2107:24–21:52US$240Search
Delta Air Lines~1608:09–20:31—Search
JetBlue Airways~507:29–20:20US$227Search

Cheapest dates from Boston to Seattle

The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.

JetBlue AirwaysNonstop
Mon 31 MayBOS → SEA · 6h 17m
One-way fromUS$227
JetBlue AirwaysNonstop
Mon 24 MayBOS → SEA · 6h 17m
One-way fromUS$238
Alaska AirlinesNonstop
Tue 15 JunBOS → SEA · 6h 22m
One-way fromUS$240
JetBlue AirwaysNonstop
Mon 21 JunBOS → SEA · 6h 23m
One-way fromUS$242

Cheapest month to fly from Boston to Seattle

Lowest one-way fare found for each month: May is cheapest, June the most expensive.

May 27US$227Jun 27US$240

Good to know

Distance
4,004 km2,486 miles
Flight time
6h 17mfastest found
Time difference
-3hSeattle vs Boston
Currency in Seattle
USD
Airports
BOS, PSM → SEA, BFI

Flights from Boston to Seattle: questions answered

How much is a flight from Boston to Seattle?
The cheapest one-way fare we found recently is US$227, nonstop, departing in May. Return trips start from US$415. Prices change constantly, so search your dates for the live fare.
Are there direct flights from Boston to Seattle?
Yes. Alaska Airlines, Delta Air Lines and JetBlue Airways fly this route nonstop, with about 42 flights a week in each direction.
How long is the flight from Boston to Seattle?
A nonstop flight covers 4,004 km and takes around 6h 17m.
Which airlines fly from Boston to Seattle?
Alaska Airlines, Delta Air Lines and JetBlue Airways operate nonstop flights on this route.
Which airports serve Boston and Seattle?
Boston: Boston Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM). Seattle: Seattle–Tacoma International Airport (SEA) and King County International Airport - Boeing Field (BFI).
What is the time difference between Boston and Seattle?
Seattle is 3 hours behind Boston.

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