Boston Logan International Airport
Boston · US
BOS See airport pageCheap Flights from Boston (BOS) to Seattle (SEA)
Track fares, compare route details, and get alerted when prices from Boston to Seattle drop again.
Typical travel time: 5h 16m
Route pattern: Usually direct
We currently track this route between Boston (BOS) and Seattle (SEA).
This trip covers about 4,006 km and usually takes around 5h 16m.
We are still collecting live fare checks for this route. Start a free alert and we will email you as soon as prices appear.
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What we know about this route
103 · BOS
What we know about this route
Route distance
4,006 km
Typical travel time
5h 16m
Route pattern
Usually direct
Popular airlines on this route
AS
B6
Recent fares we tracked
Recent fares we tracked
No live fares tracked yet
We are still collecting live fare checks for this route. Start a free alert and we will email you as soon as prices appear.
Airport information
Airport information
Seattle–Tacoma International Airport
Seattle · US
SEA See airport page
Frequently Asked Questions
Frequently Asked Questions
How long does the trip from Boston to Seattle usually take?
This route typically takes around 5h 16m.
How far is Boston to Seattle by air?
The air distance between Boston and Seattle is about 4,006 km.
Are there direct flights from Boston to Seattle?
This route is usually flown direct.
Which airport do you leave from when flying from Boston to Seattle?
Flights on this route usually depart from Boston Logan International Airport (BOS).
Which airport do you arrive at when flying from Boston to Seattle?
Flights on this route usually arrive at Seattle–Tacoma International Airport (SEA).
Which airlines have appeared on this route?
Airlines we have seen on this route include AS, B6.
How do alerts work for Boston to Seattle?
Create a free alert and we will email you when we detect a cheaper fare for this route.
Can I book directly with the airline?
Yes. We surface the route insights here, and when a good fare appears you book directly with the airline or travel provider.