Cheap flights from St. Louis, MO to San Francisco, CA
Flights starting at £66. Choose between United Airlines, Frontier Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to San Francisco
Cheapest one-way trip | £66 |
---|---|
Cheapest round-trip | £123 |
Average round-trip | £188 |
Includes rare itinerary | |
Most popular airline | United Airlines |
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Book your trip to arrive at San Francisco International, San Francisco, CA Train Station, or San Francisco, CA - Fisherman’s Wharf. The most popular airlines for this route are United Airlines, Frontier Airlines, Alaska Airlines, Spirit Airlines, and Iberia Airlines. St. Louis and San Francisco have 150 direct flights per week. When you arrive at San Francisco, consider visiting Alcatraz, Big Sur, and Golden Gate Bridge.
Check-in for a flight from St. Louis to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Iberia Airlines | IBE | IB | Yes | Opens 24 days before flight Closes 3 hours before flight |
Weather in San Francisco
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 7°C |
February | 15°C | 8°C |
March | 15°C | 8°C |
April | 17°C | 9°C |
May | 19°C | 10°C |
June | 21°C | 12°C |
July | 22°C | 13°C |
August | 22°C | 14°C |
September | 23°C | 14°C |
October | 21°C | 13°C |
November | 17°C | 10°C |
December | 13°C | 8°C |
14 day forecast
Frequently asked questions
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