Southwest Airlines flights from STL to SFO
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from STL to SFO. Southwest Airlines operates 1-3 flights daily flights on this route.• Flight Duration: 4h 05m - 5h 01m (average flight time)• Distance: 1740 miles (2800 km) (air miles between airports)• Daily Flights: 1-3 flights (scheduled departures per day)
STL
SFO
FLIGHT TIME
4h 05m - 5h 01m
FLIGHT DISTANCE
1740 miles (2800 km)
4h 30m - 4h 30m
12:05
12:05
1740 miles (2800 km)
February
1 (Show)
14
Southwest Airlines Flight Schedule from STL to SFO
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2265 |  Southwest Airlines | 12:05 | 14:35:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: February typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 12:00, offering more flight options and potentially better connections.
STL - SFO flight price statistics
$515
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.
$299
Jan$282
Feb$410
Mar$374
Apr$851
May$408
Jun$419
Jul$453
Aug$494
Sep$758
Oct$645
Nov$787
DecSouthwest Airlines Terminal Information
Terminal information for Southwest Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from STL to SFO?
Southwest Airlines operates 1 flight from STL to SFO.
What city does SFO airport serve?
SFO airport serves San Francisco.
How long is the Southwest Airlines flight from STL to SFO?
The flight duration is approximately 4h 05m - 5h 01m.
What is the distance from STL to SFO?
The distance is 1740 miles (2800 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What is the cheapest month to fly Southwest Airlines from STL to SFO?
February is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from STL to SFO?
The average price for a round-trip Southwest Airlines flight on this route is approximately $515. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 14 flights per week from STL to SFO.