How long does the flight from San Francisco to Seattle take?

Flight time from San Francisco (SFO) to Seattle (SEA) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from San Francisco to Seattle?

Airline availability for SFO to SEA changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from San Francisco to Seattle?

Direct (nonstop) availability on SFO to SEA varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from San Francisco to Seattle?

Prices on SFO to SEA shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

San Francisco to Seattle flights

Direct and connecting flights from San Francisco (SFO) to Seattle (SEA). Compare airlines, aircraft, and fares.

Distance: 1,093 km (679 mi)
Flight time: ~1h 37m
Airlines: 4
Aircraft types: 9

Airlines flying SFO → SEA

Airline	Aircraft types	Observations
Alaska Airlines	4	4
SkyWest	2	2
Delta Air Lines	2	2
United Airlines	1	1

Aircraft on this route

Airbus A330 — 1 operator
Boeing 737 — 1 operator
Bombardier CRJ — 1 operator
Airbus A319 — 1 operator
Airbus A321 — 1 operator

Airport details

Departure: San Francisco International Airport (SFO)

City: San Francisco
Country: United States
IATA / ICAO: SFO / KSFO

Arrival: Seattle Tacoma International Airport (SEA)

City: Seattle
Country: United States
IATA / ICAO: SEA / KSEA

Operating airlines

Alaska Airlines (AS)
Delta Air Lines (DL)
United Airlines (UA)

Distance: 1091 km. Duration: 138 minutes.

Other routes from San Francisco

Other routes to Seattle

Frequently asked questions

How many airlines fly SFO to SEA?

4 airlines operate the SFO to SEA route in our 90-day observed dataset.

What aircraft fly the SFO-SEA route?

The most commonly observed aircraft on SFO to SEA include: Airbus A330, Boeing 737, Bombardier CRJ.

How long is the San Francisco to Seattle flight?

The estimated flight time from San Francisco (SFO) to Seattle (SEA) is approximately 1h 37m, based on a cruise speed of 850 km/h.

What's the distance from San Francisco to Seattle?

The great-circle distance from San Francisco (SFO) to Seattle (SEA) is approximately 1,093 km (679 miles).

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