Flight Route · Domestic
Seattle → Boston
SEA to BOS
Seattle–Tacoma International Airport to Boston Logan 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
Los_Angeles → New_York
International?
No (domestic)
United States
Airlines serving both airports
These carriers operate scheduled service from both SEA and BOS. Direct service on this specific route depends on season and equipment — confirm with your booking source.
SEA–BOS questions, answered
How long is the flight from Seattle to Boston?
+
A direct flight from Seattle–Tacoma International Airport (SEA) to Boston Logan International Airport (BOS) takes approximately 5h 30m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from SEA to BOS?
+
The great-circle distance from Seattle–Tacoma International Airport to Boston Logan 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 Seattle and Boston?
+
Boston is +3h relative to Seattle. America/Los_Angeles → America/New_York.
Which airlines fly from SEA to BOS?
+
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?
+
No — both Seattle and Boston are in United States, so this is a domestic flight.
Can I track SEA–BOS flights on TripDesk365?
+
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.
Start tracking smarter.
365 days a year.
Free for 14 days. No credit card. Connect your booking inbox and watch your bookings appear on the calendar in seconds.