BOSSEA
Boston (Boston Logan International Airport) to Seattle (Seattle-Tacoma International Airport).
The flight from Boston (BOS) to Seattle (SEA) takes 5h 25m on average, covering about 2,612 miles. Across 4 flights we tracked, the fastest was 5h 18m and the slowest 5h 32m, with Delta Air Lines flying it most often.
Plan this routeAt a glance
- Avg flight time
- 5h 25m
- Distance
- 2,612 mi
- Fastest tracked
- 5h 18m
- Airlines
- 2
Airlines on this route
- Delta Air Lines50% of tracked flightsFlies it on: Airbus A321neo
- Alaska Airlines50% of tracked flightsFlies it on: Boeing 737-900
Aircraft we tracked
- Airbus A321neo2×
- Boeing 737-9002×
Methodology: figures are aggregated from 4 real flights on this route tracked between 2026-05-28 and 2026-06-03, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from BOS to SEA?
The BOS to SEA flight takes 5h 25m on average based on 4 tracked flights.
How far is BOS from SEA?
BOS to SEA is about 2,612 miles by air.
Which airlines fly from BOS to SEA?
Delta Air Lines, Alaska Airlines fly the BOS to SEA route in our route data.
What aircraft fly from BOS to SEA?
Aircraft observed or commonly scheduled on BOS to SEA include Airbus A321neo, Boeing 737-900.