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BOS–SEA · Nonstop
Boston (Boston Logan International Airport) to Seattle (Seattle-Tacoma International Airport).
The nonstop flight from Boston (BOS) to Seattle (SEA) takes 5h 39m on average, covering about 2,489 miles. Across 11 flights we tracked, the fastest was 5h 26m and the slowest 6h 7m. The current schedule below is the better source for planned airline frequency.
Plan this route| Avg flight time | Distance | Route type | Fastest tracked | Airlines |
|---|---|---|---|---|
| 5h 39m | 2,489 mi | Nonstop | 5h 26m | 3 |
Alaska Airlines, Delta Air Lines, and JetBlue operate 10-11/day flights from BOS to SEA. Terminal assignments in the captured sample are not confirmed for your flight; check the airline before travel.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 4-5/day | Boeing 737 · Airline terminal guide (confirm for your flight) · Seat map | 07:0309:0015:2617:5619:44 |
| Delta Air Lines | 3-4/day | Airbus A320 family · Airline terminal guide (confirm for your flight) | 07:4507:5011:2011:2916:0518:4519:35 |
| JetBlue | 1-2/day | Airbus A320 family · Airline terminal guide (confirm for your flight) · Seat map | 07:0909:0219:2619:30 |
Airlines seen among the 11 flights we have tracked on BOS to SEA. The sample is too small to rank carriers by share; the scheduled departures above show who flies this route most.
Flight times usually differ by direction — jet-stream winds make eastbound crossings faster than westbound ones.
Methodology: figures are aggregated from 11 real flights on this route, sourced from live flight data. Updated daily as new flights are observed.
The nonstop flight from Boston (BOS) to Seattle (SEA) takes 5h 39m on average. The fastest flight we have tracked took 5h 26m and the slowest 6h 7m.
Boston (BOS) to Seattle (SEA) is about 2,489 miles by air.
Yes. Alaska Airlines, Delta Air Lines, and JetBlue fly nonstop from Boston (BOS) to Seattle (SEA), with 10-11/day departures.
Alaska Airlines, Delta Air Lines, and JetBlue fly nonstop from Boston (BOS) to Seattle (SEA).
The BOS–SEA route is flown with Airbus A320 family, Boeing 737.