Direct (non-stop) flights from SeaTac (SEA) to San Francisco (SFO)
Find comprehensive flight information, schedules, and booking details for direct flights from SeaTac (SEA), US to San Francisco (SFO), US. This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 2h 09m - 2h 38m (average flight time)• Distance: 683 miles (1099 km) (air miles between airports)• Daily Flights: 11-22 flights (scheduled departures per day)
SeaTac (SEA)
US
San Francisco (SFO)
US
FLIGHT TIME
2h 09m - 2h 38m
FLIGHT DISTANCE
683 miles (1099 km)
2h 12m - 2h 25m
05:30
21:24
683 miles (1099 km)
March
3 (Show)
135
Flight Schedule
December 2025
Airlines with direct flights from SeaTac (SEA) to San Francisco (SFO)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 09m - 2h 38m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 13:00, 7:00, 15:00, offering more flight options and potentially better connections.
SeaTac (SEA) - San Francisco (SFO) flight price statistics
$173
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$136
Jan$243
Feb$120
Mar$121
Apr$120
May$246
Jun$203
Jul$177
Aug$158
Sep$178
Oct$198
Nov$178
DecRelated Information
Airports: Seattle (SEA) • San Francisco Airport (SFO)
Airlines operating this route: United Airlines (UA), Delta Air Lines, Alaska Airlines
Frequently Asked Questions
How many flights operate from Seattle (SEA) to San Francisco (SFO)?
There are 21 direct flights operating from Seattle (SEA) to San Francisco (SFO). Approximately 11-22 flights daily.
Which airlines operate flights from Seattle (SEA) to San Francisco (SFO)?
3 airlines operate on this route: United Airlines, Delta Air Lines, Alaska Airlines.
How long is the flight from Seattle (SEA) to San Francisco (SFO)?
The flight duration from Seattle (SEA) to San Francisco (SFO) is approximately 2h 09m - 2h 38m.
What is the distance from Seattle (SEA) to San Francisco (SFO)?
The distance from Seattle (SEA) to San Francisco (SFO) is 683 miles (1099 km).
What is the flight time range for this route?
Flight times on this route range from 2h 12m - 2h 25m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:30 and the latest flight departs at 21:24.
What is the cheapest month to fly from Seattle (SEA) to San Francisco (SFO)?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 135 flights operate per week from Seattle (SEA) to San Francisco (SFO).
What types of aircraft operate on this route?
This route is served by Embraer 175 (Enhanced Winglets), Airbus A320, Airbus A220-300, Boeing 737-800 (winglets) Passenger/BBJ2, Airbus A319 and 6 more aircraft types.
What is the average flight price from Seattle (SEA) to San Francisco (SFO)?
The average flight price for a round-trip ticket from Seattle (SEA) to San Francisco (SFO) is approximately $173 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Seattle (SEA) to San Francisco (SFO) for the lowest prices?
March is typically the cheapest month to fly from Seattle (SEA) to San Francisco (SFO). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from Seattle (SEA) to San Francisco (SFO)?
3 airlines offer direct flights from Seattle (SEA) to San Francisco (SFO), providing travelers with multiple options for scheduling and pricing.
How far is San Francisco (SFO) from Seattle (SEA)?
The distance from Seattle (SEA) to San Francisco (SFO) is 683 miles (1099 km). This is a long-haul flight route.
How long does it take to fly from Seattle (SEA) to San Francisco (SFO)?
The flight time from Seattle (SEA) to San Francisco (SFO) is approximately 2h 09m - 2h 38m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does San Francisco (SFO) serve?
San Francisco (SFO) serves San Francisco, US.