Cheap flights from St. Louis, MO
to San Francisco, CA

Flights starting at £69. Choose between United Airlines, American Airlines, or Delta Air Lines to find the best price.

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St. Louis STLLas Vegas LASSan Francisco SFO
£98
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St. Louis STLLas Vegas LASSan Francisco SFO
£117
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Travelers usually depart from St. Louis Lambert International, or St. Louis Union Station when they travel from St. Louis to San Francisco. Book your trip to arrive at San Francisco International, San Francisco, CA Train Station, San Francisco, CA Bus Stop, San Francisco, CA - Salesforce Plaza, or San Francisco, CA - Fisherman’s Wharf. The most popular airlines for this route are United Airlines, American Airlines, Delta Air Lines, Frontier Airlines, and Alaska Airlines. St. Louis and San Francisco have 341 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

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
American AirlinesAALAAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Your trip summary

Departure

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required

Return

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required

Frequently asked questions

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Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and San Francisco?
What is Virtual Interlining and how do I use it?
Which airlines fly between St. Louis and San Francisco?
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What time do nonstop (direct) flights between St. Louis and San Francisco depart?
What time do nonstop (direct) flights between St. Louis and San Francisco arrive?
What time do flights between St. Louis and San Francisco depart?
What time do flights between St. Louis and San Francisco arrive?

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