Flights operate between Boston (BOS) and SeaTac (SEA).
2 airlines operate this route with 4-6 flights daily flights.
Average flight time is 6h 08m - 6h 40m.
Route distance is 2502 miles (4026 km).
Route Distance
2502 miles (4026 km)
Average Duration
6h 08m - 6h 40m
Airlines Operating This Route
Alaska Airlines, Delta Air Lines
Flight Frequency
Daily Flights
4-6 flights
Weekly Flights
51
Typical Departure Time Ranges
Earliest Departure
07:11
Latest Departure
19:00
Flight Schedule & Filters
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Direct (non-stop) flights from Boston (BOS) to SeaTac (SEA)
Direct (non-stop) flights operate between Boston (BOS) and SeaTac (SEA). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 6h 08m - 6h 40m (average flight time)• Distance: 2502 miles (4026 km) (air miles between airports)• Daily Flights: 4-6 flights (scheduled departures per day)
Boston (BOS)
US
SeaTac (SEA)
US
FLIGHT TIME
6h 08m - 6h 40m
FLIGHT DISTANCE
2502 miles (4026 km)
6h 24m - 6h 31m
07:11
19:00
2502 miles (4026 km)
March
2 (Show)
51
Flight Schedule
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Airlines with direct flights from Boston (BOS) to SeaTac (SEA)
Weather at SeaTac (SEA)
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Frequently Asked Questions
Do flights operate between BOS and SEA?
Yes. 6 direct flights operate between Boston (BOS) and Seattle (SEA).
Which airlines operate this route?
2 airlines operate this route: Alaska Airlines, Delta Air Lines.
How many flights operate daily?
4-6 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 6h 08m - 6h 40m.
Is this route operated year-round?
This route operates with 4-6 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.