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

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking
The most popular airlines for this route are United Airlines, and Alaska Airlines. St. Louis and San Francisco have 40 direct flights per week. When you arrive at San Francisco, consider visiting Big Sur, Alcatraz, and Golden Gate Bridge.

Weekly direct flights

Discover the top airlines offering direct flights from St. Louis to San Francisco in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Thu 16.05 - Wed 22.05

AirlineThu 16.05Fri 17.05Sat 18.05Sun 19.05Mon 20.05Tue 21.05Wed 22.05
---------------------

Weekly direct flights for Thu 23.05 - Wed 29.05

AirlineThu 23.05Fri 24.05Sat 25.05Sun 26.05Mon 27.05Tue 28.05Wed 29.05
---------------------

Weekly direct flights for Thu 30.05 - Wed 05.06

AirlineThu 30.05Fri 31.05Sat 01.06Sun 02.06Mon 03.06Tue 04.06Wed 05.06
---------------------

Weekly direct flights for Thu 06.06 - Wed 12.06

AirlineThu 06.06Fri 07.06Sat 08.06Sun 09.06Mon 10.06Tue 11.06Wed 12.06
---------------------

Check-in for a flight from St. Louis to San Francisco

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight

Weather in San Francisco

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January14°C7°C
February15°C8°C
March15°C8°C
April17°C9°C
May19°C10°C
June21°C12°C
July22°C13°C
August22°C14°C
September23°C14°C
October21°C13°C
November17°C10°C
December13°C8°C
Hottest Month
23°C
September
Coldest month
7°C
January
Sunny days
332
days per year

14 day forecast

Tuesday
14 May
17°C10°C
21 May
15°C10°C
Wednesday
15 May
17°C11°C
22 May
16°C11°C
Thursday
16 May
17°C12°C
23 May
15°C11°C
Friday
17 May
17°C11°C
24 May
13°C10°C
Saturday
18 May
16°C11°C
25 May
14°C11°C
Sunday
19 May
15°C11°C
26 May
14°C11°C
Monday
20 May
16°C10°C
27 May
15°C11°C

Frequently asked questions

What are the most popular routes to and from St. Louis?
What are the most popular routes to and from San Francisco?
What airports are near St. Louis?
What airports are near San Francisco?
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?
When's the best time to travel between St. Louis and San Francisco?
What flights operate between St. Louis and San Francisco?
How many airports are there near St. Louis?
How many airports are there near San Francisco?
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?

Explore alternative trips

The nearest countries with flights to San Francisco

Here is a list of countries people are flying from

Other destination countries from St. Louis

Here is a list of countries people are flying to
Find the best connection from St. Louis to San Francisco
Search flights, trains & buses
We hack the system,
you fly for less