Saint Louis (STL) to San Francisco (SFO) flights
An economy award from Saint Louis (STL) to San Francisco (SFO) starts at 12,500 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Avianca LifeMiles charges the same. 2 airlines fly nonstop from Saint Louis (STL) to San Francisco (SFO): Southwest Airlines and United Airlines. The two airports are 1,731 miles (2,786 km) apart. United Airlines is in Star Alliance. There are also 40 ways to fly it with one stop, through Kansas City, Denver and Salt Lake City and more.
How many miles STL to SFO costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| Air Canada AeroplanOn United Airlines | 12,500 | $33.60 |
| Avianca LifeMilesOn United Airlines | 12,500 | $30.60 |
| ANA Mileage ClubOn United Airlines | 15,000 | $5.60 |
| Singapore Airlines KrisFlyerOn United Airlines | 15,000 | $5.60 |
| Turkish Airlines Miles&SmilesOn United Airlines | 15,000 | $5.60–45.60 |
| Thai Royal Orchid PlusOn United Airlines | 17,500 | $5.60 |
| Emirates SkywardsOn United Airlines | 18,000 | $5.60–355.60 |
| EVA Air Infinity MileageLandsOn United Airlines | 19,500 | $5.60 |
| TAP Miles&GoOn United Airlines | 30,000 | $50.40 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from STL to SFO
- Southwest AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book STL to SFO with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
STL to SFO with one stop
40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Sacramento (SMF)Southwest Airlines, then United Airlines
- Via Omaha (OMA)Southwest Airlines, then United Airlines
- Via Las Vegas (LAS)Frontier Airlines and Southwest Airlines the whole way
+1 - Via Burbank (BUR)Southwest Airlines the whole way
- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way+1
- Via Los Angeles (LAX)American Airlines and Southwest Airlines the whole way+3
- Via San Diego (SAN)Southwest Airlines the whole way+1
- Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
STL to SFO: common questions
How many miles does STL to SFO cost?
In economy it starts at 12,500 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Next cheapest: Avianca LifeMiles (12,500), ANA Mileage Club (15,000) and Singapore Airlines KrisFlyer (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
Which airlines fly nonstop from STL to SFO?
Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Saint Louis (STL) to San Francisco (SFO).
How far is Saint Louis from San Francisco by plane?
Saint Louis (STL) and San Francisco (SFO) are 1,731 miles (2,786 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book STL to SFO award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
Where can I connect between Saint Louis and San Francisco?
The most direct connections are through Kansas City (MCI), Denver (DEN), Salt Lake City (SLC), Sacramento (SMF) and Omaha (OMA). On 26 of them the same airline flies both flights, for example Southwest Airlines through Kansas City.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.