$109+ Cheap flights from St. Louis to San Francisco (STL - SFO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from Lambert-St Louis to San Francisco are usually found in April or August, booked 42 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from St. Louis to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Mytrip) |
One-way from | $109 (Trip.com) |
Popular in | June |
Cheapest in | April |
Average price | $363 |
Good round-trip deal | $407 or less |
Good one-way deal | $182 or less |
Find flight deals from St. Louis to San Francisco
Cheapest flights from St. Louis to San FranciscoExplore the most affordable flight options available from St. Louis to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from St. Louis to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from St. Louis to San Francisco within your budget
Customize your flight search to find flights from St. Louis to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sun 4/6
6:35 am-5:15 pm
1 stop12h 40m
San Francisco
Sun 4/13
6:00 am-9:06 am
1 stop25h 06m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 3/6
6:45 pm-9:59 pm
1 stop29h 14m
San Francisco
Sun 3/9
8:10 pm-9:16 am
1 stop11h 06m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 4/1
5:54 pm-8:22 pm
Nonstop4h 28m
San Francisco
Tue 4/8
10:45 am-4:52 pm
Nonstop4h 07m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 4/8
3:11 pm-10:09 pm
1 stop8h 58m
San Francisco
Tue 4/29
8:30 am-11:59 pm
2 stops13h 29m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 3/18
7:40 am-12:39 pm
1 stop6h 59m
San Francisco
Wed 4/2
5:55 am-4:48 pm
1 stop8h 53m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 5/16
5:00 am-10:39 am
1 stop7h 39m
San Francisco
Fri 5/16
12:24 am-9:54 am
1 stop7h 30m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 3/24
6:30 pm-12:30 am
1 stop8h 00m
San Francisco
Wed 4/2
11:35 am-10:10 pm
2 stops8h 35m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 3/26
7:03 pm-12:43 am
1 stop7h 40m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 4/1
5:54 pm-8:22 pm
Nonstop4h 28m
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 5/6
5:00 am-1:19 pm
1 stop10h 19m
Compare providers for flights from St. Louis to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to San Francisco in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from St. Louis with our price prediction graph.
Travel insights for flights from St. Louis to San Francisco
Get recent, data-driven insights about flights from St. Louis to San Francisco including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from St. Louis to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San Francisco. Price data was last updated on February 14, 2025.
The best time to book flights from St. Louis to San Francisco is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to San Francisco?
Currently, January is the cheapest month in which you can book a flight from St. Louis to San Francisco (average of $276). Flying from St. Louis to San Francisco in June is currently the most expensive (average of $403). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to SFO?
Find hourly flight availability from St. Louis to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.
It’s typically best to fly out from St. Louis to San Francisco at noon. Doing so could potentially save you 62% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from St. Louis to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to San Francisco. Price data was last updated on February 16, 2025.
Travelers seeking maximum savings on their St. Louis to San Francisco flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from St. Louis to San Francisco
Explore weekly flight availability from St. Louis to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.
The most flights from STL to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from St. Louis to San Francisco. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Bhoopal,Nov 2024
STL - BOS
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Bhoopal,Nov 2024
STL - BOS
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Bhoopal,Nov 2024
STL - BOS
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Bhoopal,Nov 2024
STL - BOS
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Bhoopal,Nov 2024
STL - BOS
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Bhoopal,Nov 2024
STL - BOS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from St. Louis to San Francisco
Discover the top 5 airlines that operate flights from St. Louis to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$193 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$228 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$244 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$252 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$410 | FlexibilityNo cancel fee | On-time63% |