Flight Route · Domestic
Boston → Seattle
BOS to SEA
Boston Logan International Airport to Seattle–Tacoma International Airport: 2,489 miles (4,005 km), about 5h 30m airborne, −3h time-zone shift on arrival.
Distance
2,489 mi
4,005 km
Flight time
5h 30m
block time, approx
Time-zone shift
−3h
New_York → Los_Angeles
International?
No (domestic)
United States
Airlines serving both airports
These carriers operate scheduled service from both BOS and SEA. Direct service on this specific route depends on season and equipment — confirm with your booking source.
BOS–SEA questions, answered
How long is the flight from Boston to Seattle?
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A direct flight from Boston Logan International Airport (BOS) to Seattle–Tacoma International Airport (SEA) takes approximately 5h 30m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from BOS to SEA?
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The great-circle distance from Boston Logan International Airport to Seattle–Tacoma International Airport is approximately 2489 miles (4005 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Boston and Seattle?
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Seattle is −3h relative to Boston. America/New_York → America/Los_Angeles.
Which airlines fly from BOS to SEA?
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Carriers serving both endpoints include DL, UA. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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No — both Boston and Seattle are in United States, so this is a domestic flight.
Can I track BOS–SEA flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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