St. Louis

$53+ Cheap flights from San Francisco to St. Louis (SFO - STL)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — STL
Nov 4 — Nov 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to St. Louis 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 San Francisco to Lambert-St Louis are usually found in August or September, booked 35 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to St. Louis (STL). 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 October 30, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

August

Round-trip from

$108
(Frontier)

One-way from

$53
(Cheapflightsfares)
Provider with most accurate pricing for San Francisco-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for San Francisco-Lambert-St Louis flights.
High demand for flights, 19% potential price rise
Best time to find cheap flights, 11% potential price drop
From San Francisco to Lambert-St Louis
One-way flight from San Francisco to Lambert-St Louis

Find flight deals from San Francisco to St. Louis

Cheapest flights from San Francisco to St. Louis
Explore the most affordable flight options available from San Francisco to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2024.

This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/312:00 pmSFO - STL
Nonstop3h 56mUnited Airlines
Sat 12/77:00 amSTL - SFO
Nonstop4h 36mUnited Airlines
Deal found 10/29$227
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/46:00 amSFO - STL
1 stop16h 35mFrontier
Tue 11/125:37 pmSTL - SFO
1 stop8h 38mFrontier
Deal found 10/29$228
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 11/288:00 amSFO - STL
1 stop7h 37mDelta
Thu 12/511:25 amSTL - SFO
1 stop8h 42mDelta
Deal found 10/29$256
This Travelocity deal was found by Cheapflights users on 10/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:30 amSFO - STL
2 stops14h 29mMultiple Airlines
Sun 12/88:34 pmSTL - SFO
1 stop12h 40mMultiple Airlines
Deal found 10/28$272
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/2712:17 amSFO - STL
1 stop7h 40mAmerican Airlines
Thu 12/52:15 pmSTL - SFO
1 stop8h 50mAmerican Airlines
Deal found 10/29$282
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/152:28 pmSFO - STL
1 stop7h 31mAlaska Airlines
Fri 11/227:00 amSTL - SFO
1 stop18h 59mAlaska Airlines
Deal found 10/29$340
This Southwest deal was found by Cheapflights users on 10/29. 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.
Tue 11/510:20 amSFO - STL
Nonstop3h 40mSouthwest
Tue 11/124:50 pmSTL - SFO
Nonstop4h 25mSouthwest
Deal found 10/29$370

Find flights from San Francisco to St. Louis within your budget

Customize your flight search to find flights from San Francisco to St. Louis 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 2,570,725 searches. Data last updated October 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$108 - $368

Route

Depart

Return

Price

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 11/12

1 stop7h 23m

Lambert-St Louis

Wed 11/20

1 stop8h 48m

$108

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 12/3

Nonstop3h 56m

Lambert-St Louis

Sat 12/7

Nonstop4h 36m

$227

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Thu 11/28

1 stop7h 37m

Lambert-St Louis

Thu 12/5

1 stop8h 42m

$256

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 1/14

2 stops15h 58m

Lambert-St Louis

Mon 1/20

1 stop12h 45m

$267

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Fri 2/28

1 stop15h 59m

Lambert-St Louis

Tue 3/4

2 stops11h 54m

$274

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Wed 11/27

1 stop7h 40m

Lambert-St Louis

Thu 12/5

1 stop8h 50m

$282

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 1/7

Nonstop3h 50m

Lambert-St Louis

Fri 1/10

Nonstop4h 30m

$368

Flights are sorted by cheapest first

Deals found on 10/29

Compare providers for flights from San Francisco to St. Louis

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 San Francisco to St. Louis in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
Booking.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
CheapfaremartPrice Accuracy-Trust Score*1 starCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-St. Louis 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 San Francisco-St. Louis 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 San Francisco to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco to St. Louis

Get recent, data-driven insights about flights from San Francisco to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to St. Louis. Price data was last updated on October 25, 2024.

To ensure you get the cheapest price possible for a flight from San Francisco to St. Louis, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to St. Louis?

Currently, September is the cheapest month in which you can book a flight from San Francisco to St. Louis (average of $308). Flying from San Francisco to St. Louis in March is currently the most expensive (average of $356). 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 SFO to STL?

Find hourly flight availability from San Francisco to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2024.

It’s optimal to fly from San Francisco to St. Louis in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from San Francisco to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to St. Louis. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their San Francisco to St. Louis flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 30, 2024.
To help decide which airline to fly from San Francisco to St. Louis, see what other customers have to say about Frontier, United Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,118 reviews

Crew

8.7

Overall

8.1

Boarding

8.3

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.1
Very good
5,118 reviews
8.1
Very good
5,118 reviews

Crew

8.7

Overall

8.1

Boarding

8.3

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good
9,418 reviews
8.1
Very good
5,118 reviews

Crew

8.7

Overall

8.1

Boarding

8.3

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good
8,836 reviews
8.1
Very good
5,118 reviews

Crew

8.7

Overall

8.1

Boarding

8.3

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.4
Good
9,240 reviews
8.1
Very good
5,118 reviews

Crew

8.7

Overall

8.1

Boarding

8.3

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.3
Good
10,000 reviews
8.1
Very good
5,118 reviews

Crew

8.7

Overall

8.1

Boarding

8.3

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from San Francisco to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Francisco to St. Louis?

    You will need to book a flight from San Francisco to Lambert-St Louis if you want to fly from San Francisco to St. Louis. At least 5 different airlines have flights from San Francisco (SFO) to Lambert-St Louis (STL) on a regular basis. There are 2 flights to St. Louis from the San Francisco airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SFO to STL to be around 3h 46m.

  • Can I find flights from San Francisco to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from San Francisco to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $108, but on average you can expect to pay $254.

  • Are there nonstop flights from San Francisco to St. Louis for under $300 on Cheapflights?

    Cheapflights has at least 2 direct flights from San Francisco to St. Louis under $300. A good price for a nonstop flight from San Francisco to St. Louis is less than $297.

  • Are there last-minute flights available from San Francisco to St. Louis for under $300?

    There are currently 6+ open flights from San Francisco to St. Louis within the next 7 days for less than $300.

  • What days are nonstop flights available from San Francisco to St. Louis?

    Nonstop flights can be found on the following days: Wednesday, Thursday, Friday, Saturday.

  • How popular is this San Francisco to St. Louis flight route?

  • How many flights depart from San Francisco to St. Louis on average per day?

    9 flight departures from San Francisco to St. Louis per day on average.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from San Francisco to St. Louis?

    Frontier, United Airlines, and Delta can get you from San Francisco to St. Louis in just under 3h 56m. Your travel time can differ by up to 3h 41m. There are 1740 mi between San Francisco and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Francisco to St. Louis round-trip?

    Currently priced at $108, Frontier will fly you from San Francisco to St. Louis and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $227 and $256, respectively. Users have found that Frontier is 72% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to St. Louis one-way?

    One-way options have recently been found by users for as low as $53 on Frontier. Other airlines that offer cheap prices include United Airlines from $114 and American Airlines from $124 one-way.

  • What are the most reliable airlines from San Francisco to St. Louis?

    Before booking your flight to St. Louis from San Francisco, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (87%), SkyWest Airlines (84%), Air New Zealand( 77%).

  • What are the cheapest flights from San Francisco to St. Louis?

    On average you can expect to pay $409 for a flight from San Francisco to St. Louis. The cheapest flight overall is $106 while the most popular route, (San Francisco - Lambert-St Louis) is currently priced at $177.

  • What does SFO to STL mean?

    SFO stands for San Francisco Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Where are the most common layover locations when flying from San Francisco to St. Louis?

  • What are some popular things to do or see while on a layover in Denver?

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Paramount Theatre can do so by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Those on a layover in Denver in need of a rental car can book one at Denver Intl for about $61.

  • Where are the least popular layover locations for San Francisco to St. Louis flights?

  • Can I find deals for flights from San Francisco to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to St. Louis that include hotel bookings?

    Yes. In addition to deals on San Francisco to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to St. Louis.

  • Can I find deals for business class flights from San Francisco to St. Louis?

    Yes. Cheapflights offers flight deals from San Francisco to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to St. Louis that allow pets onboard?

    Many airlines flying from San Francisco to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to St. Louis?

    Yes, you can often find last-minute deals on San Francisco to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to St. Louis flight deals updated?

    The San Francisco to St. Louis flight deals you see on this page were last updated on 10/29.

  • What is the cheapest month to book a flight from San Francisco to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to St. Louis (average of $308). Flying from San Francisco to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Francisco to St. Louis

Discover the top 5 airlines that operate flights from San Francisco to St. Louis. 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 2,570,725 searches. Data last updated October 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$220FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$257Average$420FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$317Average$485FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$350Average$424FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.