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SFO–SEA · Nonstop
San Francisco (San Francisco International Airport) to Seattle (Seattle-Tacoma International Airport).
The nonstop flight from San Francisco (SFO) to Seattle (SEA) takes 1h 43m on average, covering about 679 miles. Across 8 flights we tracked, the fastest was 1h 40m and the slowest 1h 46m. The current schedule below is the better source for planned airline frequency.
Plan this route| Avg flight time | Distance | Route type | Fastest tracked | Airlines |
|---|---|---|---|---|
| 1h 43m | 679 mi | Nonstop | 1h 40m | 3 |
Alaska Airlines, United Airlines, and Delta Air Lines operate 20-21/day flights from SFO 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 | 8-9/day | Boeing 737 · Airline terminal guide (confirm for your flight) · Seat map | 06:0307:0307:1509:0010:1812:2714:2015:5017:3820:2821:46 |
| United Airlines | 6-7/day | Airbus A320 family, Boeing 737, Boeing 757 · Airline terminal guide (confirm for your flight) · Seat map | 07:0007:4109:0010:0510:1512:0512:1513:5514:0016:1016:2718:2518:2820:4521:0722:59 |
| Delta Air Lines | 5-6/day | Airbus A220, Boeing 737, Embraer E-Jet · Airline terminal guide (confirm for your flight) | 06:2010:0010:3610:4010:4514:0017:3620:59 |
Airlines seen among the 8 flights we have tracked on SFO 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 8 real flights on this route, sourced from live flight data. Updated daily as new flights are observed.
The nonstop flight from San Francisco (SFO) to Seattle (SEA) takes 1h 43m on average. The fastest flight we have tracked took 1h 40m and the slowest 1h 46m.
San Francisco (SFO) to Seattle (SEA) is about 679 miles by air.
Yes. Alaska Airlines, United Airlines, and Delta Air Lines fly nonstop from San Francisco (SFO) to Seattle (SEA), with 20-21/day departures.
Alaska Airlines, United Airlines, and Delta Air Lines fly nonstop from San Francisco (SFO) to Seattle (SEA).
The SFO–SEA route is flown with Airbus A220, Airbus A320 family, Boeing 737, Boeing 757, Embraer E-Jet.