Cheap flights from San Francisco to St. Louis from $64
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to St. Louis departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Francisco to St. Louis by changing tabs
Frontier![Frontier]()
Oct 1![Frontier]()
Oct 9
SFO1:48 pmSan Francisco
7h 31m
1 stop
STL11:19 pmLambert-St Louis
STL8:00 pmLambert-St Louis
5h 58m
1 stop
SFO11:58 pmSan Francisco
Multiple Airlines![Multiple Airlines]()
Aug 15![Multiple Airlines]()
Aug 19
SFO6:00 amSan Francisco
10h 48m
1 stop
STL6:48 pmLambert-St Louis
STL2:21 pmLambert-St Louis
11h 38m
2 stops
SFO11:59 pmSan Francisco
Frontier![Frontier]()
Sep 4![Frontier]()
Sep 11
SFO10:52 amSan Francisco
8h 30m
1 stop
STL9:22 pmLambert-St Louis
STL5:20 pmLambert-St Louis
8h 58m
1 stop
SFO12:18 amSan Francisco
Frontier![Frontier]()
Aug 24![Frontier]()
Aug 31
SFO10:05 pmSan Francisco
22h 07m
1 stop
STL10:12 pmLambert-St Louis
STL7:48 pmLambert-St Louis
6h 11m
1 stop
SFO11:59 pmSan Francisco
United Airlines![United Airlines]()
Aug 24![United Airlines]()
Aug 31
SFO11:10 amSan Francisco
3h 53m
STL5:03 pmLambert-St Louis
STL7:13 amLambert-St Louis
4h 25m
SFO9:38 amSan Francisco
Find the cheapest one-way flights from San Francisco to St. Louis
If you're looking for one-way flights from San Francisco to St. Louis, view some of our deals below provided by American Airlines, Frontier and United Airlines
Find the cheapest direct flights from San Francisco to St. Louis
United Airlines![United Airlines]()
Aug 21![United Airlines]()
Aug 28
SFO6:35 pmSan Francisco
3h 52m
STL12:27 amLambert-St Louis
STL6:00 pmLambert-St Louis
4h 25m
SFO8:25 pmSan Francisco
United Airlines![United Airlines]()
Sep 9![United Airlines]()
Sep 11
SFO6:35 pmSan Francisco
3h 52m
STL12:27 amLambert-St Louis
STL7:15 amLambert-St Louis
4h 25m
SFO9:40 amSan Francisco
United Airlines![United Airlines]()
Aug 23![United Airlines]()
Aug 25
SFO6:35 pmSan Francisco
3h 52m
STL12:27 amLambert-St Louis
STL6:00 pmLambert-St Louis
4h 25m
SFO8:25 pmSan Francisco
United Airlines![United Airlines]()
Dec 26![United Airlines]()
Dec 31
SFO6:30 pmSan Francisco
3h 53m
STL12:23 amLambert-St Louis
STL8:54 amLambert-St Louis
4h 47m
SFO11:41 amSan Francisco
United Airlines![United Airlines]()
Oct 3![United Airlines]()
Oct 6
SFO6:38 pmSan Francisco
3h 52m
STL12:30 amLambert-St Louis
STL6:05 pmLambert-St Louis
4h 25m
SFO8:30 pmSan Francisco
Search last-minute flights to St. Louis from San Francisco
Find and compare round-trip flight prices for your last-minute flight from San Francisco to St. Louis
Frontier![Frontier]()
Jul 30![Frontier]()
Aug 7
SFO12:58 amSan Francisco
6h 27m
1 stop
STL9:25 amLambert-St Louis
STL10:32 pmLambert-St Louis
11h 10m
1 stop
SFO7:42 amSan Francisco
Frontier![Frontier]()
Aug 1![Frontier]()
Aug 4
SFO9:15 pmSan Francisco
12h 31m
1 stop
STL11:46 amLambert-St Louis
STL10:32 pmLambert-St Louis
28h 12m
1 stop
SFO12:44 amSan Francisco
Multiple Airlines![Multiple Airlines]()
Aug 3![Multiple Airlines]()
Aug 8
SFO10:54 pmSan Francisco
11h 11m
2 stops
STL12:05 pmLambert-St Louis
STL11:00 pmLambert-St Louis
11h 13m
1 stop
SFO8:13 amSan Francisco
Frontier![Frontier]()
Aug 4![Frontier]()
Aug 6
SFO10:33 amSan Francisco
22h 49m
1 stop
STL11:22 amLambert-St Louis
STL10:32 pmLambert-St Louis
14h 31m
1 stop
SFO11:03 amSan Francisco
Frontier![Frontier]()
Jul 31![Frontier]()
Aug 7
SFO8:22 pmSan Francisco
22h 32m
2 stops
STL8:54 pmLambert-St Louis
STL10:32 pmLambert-St Louis
11h 10m
1 stop
SFO7:42 amSan Francisco
Frontier flights from San Francisco to St. Louis
Our best Frontier deals on San Francisco to St. Louis flight tickets
Frontier![Frontier]()
Oct 1![Frontier]()
Oct 9
SFO1:48 pmSan Francisco
7h 31m
1 stop
STL11:19 pmLambert-St Louis
STL8:00 pmLambert-St Louis
5h 58m
1 stop
SFO11:58 pmSan Francisco
Frontier![Frontier]()
Sep 4![Frontier]()
Sep 11
SFO10:52 amSan Francisco
8h 30m
1 stop
STL9:22 pmLambert-St Louis
STL5:20 pmLambert-St Louis
8h 58m
1 stop
SFO12:18 amSan Francisco
Alaska Airlines flights from San Francisco to St. Louis
Our best Alaska Airlines deals on San Francisco to St. Louis flight tickets
Alaska Airlines![Alaska Airlines]()
Sep 18![Alaska Airlines]()
Sep 23
SFO6:50 amSan Francisco
15h 09m
2 stops
STL11:59 pmLambert-St Louis
STL7:31 pmLambert-St Louis
14h 43m
1 stop
SFO8:14 amSan Francisco
Alaska Airlines![Alaska Airlines]()
Aug 27![Alaska Airlines]()
Sep 1
SFO6:50 amSan Francisco
15h 09m
2 stops
STL11:59 pmLambert-St Louis
STL2:34 pmLambert-St Louis
19h 04m
2 stops
SFO7:38 amSan Francisco
How to get the cheapest flight ticket from San Francisco to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from San Francisco to St. Louis?
September. The cheapest time of year to fly to St. Louis from San Francisco is September. Most expensive is June
What is the cheapest day to depart San Francisco for St. Louis?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Thursday
When is the cheapest time to fly from San Francisco to St. Louis?
In the evening. San Francisco to St. Louis flights are approximately 28% more expensive in the afternoon than in the evening
What is the cheapest airline that flies to St. Louis from San Francisco?
Frontier. Frontier, Spirit Airlines, and Delta are the most popular carriers operating from San Francisco to St. Louis
What is the cheapest San Francisco to St. Louis flight route?
San Francisco - Lambert-St Louis. Fly from San Francisco to Lambert-St Louis for the best San Francisco - St. Louis flight prices
How far in advance should you book San Francisco to St. Louis flights?
58 days before. The cheapest time to buy a flight from San Francisco to St. Louis is approximately 58 days to departure
How many flights depart from San Francisco to St. Louis on average per week?
As of July 2024, 1 flights take off from San Francisco and land in St. Louis each week. The most common flight departure day for this route is Saturday, with 100% of weekly flights taking off on this day.
Can stopping save me money on San Francisco to St. Louis flights?
You could potentially save up to 56% on your flight if you consider stops on a San Francisco to St. Louis flight.
How have San Francisco to St. Louis flight prices changed over time?
As of July 2024, prices for San Francisco to St. Louis flights are approximately 34% cheaper when compared to flights at the same time last year.
Cheap San Francisco to St. Louis (SFO to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to St. Louis
How far is San Francisco to Lambert-St Louis by plane?
The straight-line distance from San Francisco to Lambert-St Louis is 1739.7 mi. 3h 52m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to Lambert-St Louis Airport?
Prices for flights from San Francisco Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Lambert-St Louis Airport?
As of July 2024, there are 6 operators available to choose from for flights from San Francisco Airport to Lambert-St Louis Airport.
How old do you have to be to fly from San Francisco Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from San Francisco to St. Louis
Compare and see reviews for airlines that fly from San Francisco to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $140 | Free Cancellation | Rating 6.2 3,835 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 6.3 8,407 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 7.3 10,000 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 8.0 9,630 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 8.0 9,365 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.4 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to St. Louis for you.
Can I find flights from San Francisco to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Francisco to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from San Francisco to St. Louis?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from San Francisco.
I’m not ready to book a flight from San Francisco to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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