Direct (non-stop) flights from San Francisco (SFO) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from San Francisco (SFO), US to SeaTac (SEA), US. This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 1h 50m - 2h 37m (average flight time)• Distance: 683 miles (1099 km) (air miles between airports)• Daily Flights: 9-20 flights (scheduled departures per day)
San Francisco (SFO)
US
SeaTac (SEA)
US
FLIGHT TIME
1h 50m - 2h 37m
FLIGHT DISTANCE
683 miles (1099 km)
2h 14m - 2h 27m
06:00
22:35
683 miles (1099 km)
March
3 (Show)
133
Terminal 2 & Terminal 1 (SeaTac (SEA))
Flight Schedule
Loading calendar...
Airlines Operating This Route
United Airlines (UA), Delta Air Lines (DL), Alaska Airlines (AS)
Click any airline to view their specific flight schedules, policies, and route details for this connection. You can also explore flights from San Francisco (SFO) and flights to SeaTac (SEA).
Route Insights
Route Demand
This route sees high demand with 133 weekly flights, making it one of the busiest connections between San Francisco (SFO) and Seattle (SEA).
Route Importance
Multiple airlines compete on this route (3 carriers), indicating its significance in connecting San Francisco (SFO) and Seattle (SEA). This competition often leads to competitive pricing and multiple daily departure options.
Best Time to Fly
Best Value Period
March typically offers the best value for travelers, with lower average fares compared to peak travel periods.
Price Trends
Price variation throughout the year is significant, with Mar being the most affordable month and prices increasing during peak travel seasons.
Distance & Duration Explained
Route Distance
At 683 miles (1099 km), this is an ultra-long-haul route between San Francisco (SFO) and Seattle (SEA), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 1h 50m - 2h 37m, with actual times ranging from 2h 14m - 2h 27m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
Travelers have 3 airline options on this route: United Airlines, Delta Air Lines, Alaska Airlines. Each airline offers different schedules, pricing, and service levels to meet various travel needs.
Flight Frequency
United Airlines operates the most flights on this route with 8 daily departures, followed by Alaska Airlines and Delta Air Lines.
Loading weather charts...
Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$227
Travel Planning Tips for San Francisco (SFO) to SeaTac (SEA)
- Best Day to Book
Thursday typically offers the lowest fares for flights from San Francisco (SFO) to SeaTac (SEA). Consider booking on this day for potential savings.
- Best Month to Travel
January is generally the cheapest month to fly from San Francisco (SFO) to SeaTac (SEA). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from San Francisco (SFO) to SeaTac (SEA) is approximately $227. Prices may vary based on booking time, season, and airline.
Loading price statistics...
Related Pages
Related Airports
Related Airlines
Frequently Asked Questions
How many flights operate from San Francisco (SFO) to Seattle (SEA)?
There are 21 direct flights operating from San Francisco (SFO) to Seattle (SEA). Approximately 9-20 flights daily.
Which airlines operate flights from San Francisco (SFO) to Seattle (SEA)?
3 airlines operate on this route: United Airlines, Delta Air Lines, Alaska Airlines.
How long is the flight from San Francisco (SFO) to Seattle (SEA)?
The flight duration from San Francisco (SFO) to Seattle (SEA) is approximately 1h 50m - 2h 37m.
What is the distance from San Francisco (SFO) to Seattle (SEA)?
The distance from San Francisco (SFO) to Seattle (SEA) is 683 miles (1099 km).
What is the flight time range for this route?
Flight times on this route range from 2h 14m - 2h 27m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:00 and the latest flight departs at 22:35.
What is the cheapest month to fly from San Francisco (SFO) to Seattle (SEA)?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 133 flights operate per week from San Francisco (SFO) to Seattle (SEA).
What types of aircraft operate on this route?
This route is served by Embraer 175 (Enhanced Winglets), Boeing 737-900 Passenger, Boeing 737-900 (winglets) Passenger/BBJ3, Boeing 737MAX 9 Passenger, Boeing 737-800 Passenger and 6 more aircraft types.
What is the average flight price from San Francisco (SFO) to Seattle (SEA)?
The average flight price for a round-trip ticket from San Francisco (SFO) to Seattle (SEA) is approximately $198 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from San Francisco (SFO) to Seattle (SEA) for the lowest prices?
March is typically the cheapest month to fly from San Francisco (SFO) to Seattle (SEA). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from San Francisco (SFO) to Seattle (SEA)?
3 airlines offer direct flights from San Francisco (SFO) to Seattle (SEA), providing travelers with multiple options for scheduling and pricing.
How far is Seattle (SEA) from San Francisco (SFO)?
The distance from San Francisco (SFO) to Seattle (SEA) is 683 miles (1099 km). This is a long-haul flight route.
How long does it take to fly from San Francisco (SFO) to Seattle (SEA)?
The flight time from San Francisco (SFO) to Seattle (SEA) is approximately 1h 50m - 2h 37m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Seattle (SEA) serve?
Seattle (SEA) serves Seattle, US.