Cheap flights from San Francisco to St. Louis (SFO - STL) from $65

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — STL
May 2 — May 91

The best prices from San Francisco to Lambert-St Louis are usually found in January or February, booked 46 days in advance, depart on a Tuesday or Saturday 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 April 27, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$323

One-way from

$120
High demand for flights, 14% potential price rise
Best time to find cheap flights, 24% potential price drop
From San Francisco to Lambert-St Louis
One-way flight from San Francisco to Lambert-St Louis

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 41% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 69% on flights from San Francisco to St. Louis compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $316. For sooner than that we have options available in the next 3 days from $567.

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

Flights from San Francisco to St. Louis lean towards being more expensive in December. Prices are generally better when you fly from San Francisco to St. Louis in January, with the cheapest ticket starting at $165.

When is the cheapest time to fly from San Francisco to St. Louis (SFO - STL)?

It’s optimal to fly from San Francisco to St. Louis in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.

Cheap American Airlines flights from San Francisco to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between San Francisco and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Find some of the cheapest American Airlines flights traveling from San Francisco to St. Louis. Deals update often to give you more flight options matching your criteria
Fri 9/1311:59 pmSFO - STL
1 stop8h 05mAmerican Airlines
Tue 9/175:30 pmSTL - SFO
1 stop5h 55mAmerican Airlines
Deal found 4/27$226
Fri 5/311:59 pmSFO - STL
1 stop6h 51mAmerican Airlines
Tue 5/75:04 amSTL - SFO
1 stop9h 43mAmerican Airlines
Deal found 4/26$256
Thu 5/25:45 amSFO - STL
2 stops8h 42mAmerican Airlines
Thu 5/26:37 pmSTL - SFO
1 stop8h 02mAmerican Airlines
Deal found 4/26$796

Cheap United Airlines flights from San Francisco to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between San Francisco and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Browse through some of the cheapest United Airlines flights traveling from San Francisco to St. Louis. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sun 5/512:09 amSFO - STL
1 stop8h 05mUnited Airlines
Fri 5/105:25 pmSTL - SFO
1 stop9h 13mUnited Airlines
Deal found 4/26$328
Tue 10/12:25 pmSFO - STL
1 stop5h 50mUnited Airlines
Tue 10/157:15 amSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$428
Wed 8/2812:35 amSFO - STL
1 stop7h 16mUnited Airlines
Tue 9/36:00 pmSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$494
Fri 9/1311:59 pmSFO - STL
1 stop7h 52mUnited Airlines
Tue 9/177:15 amSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$538
Thu 8/297:20 amSFO - STL
Nonstop7h 02mUnited Airlines
Tue 9/31:39 pmSTL - SFO
1 stop7h 31mUnited Airlines
Deal found 4/26$549
Thu 8/297:20 amSFO - STL
Nonstop7h 02mUnited Airlines
Tue 9/36:00 pmSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$585
Fri 5/310:45 pmSFO - STL
1 stop9h 32mUnited Airlines
Sun 5/54:57 pmSTL - SFO
2 stops16h 44mUnited Airlines
Deal found 4/26$633
Thu 9/1212:35 amSFO - STL
1 stop7h 16mUnited Airlines
Tue 9/176:00 pmSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$677
Fri 9/1311:10 amSFO - STL
Nonstop3h 53mUnited Airlines
Tue 9/176:00 pmSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$758

Cheap San Francisco to St. Louis flights in April & May 2024

Find cheap flight options from San Francisco to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 2024.
The lowest fares we've come across on flights traveling from San Francisco to St. Louis in April and May 2024. Check back soon for alternative fares.
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Fri 5/107:51 pmSTL - SFO
1 stop15h 53mFrontier
Deal found 4/27$210
Sat 5/412:58 amSFO - STL
1 stop11h 31mFrontier
Fri 5/178:45 pmSTL - SFO
1 stop13h 36mFrontier
Deal found 4/27$211
Mon 4/2911:43 amSFO - STL
1 stop7h 20mFrontier
Mon 5/69:53 pmSTL - SFO
2 stops15h 30mFrontier
Deal found 4/26$213
Tue 4/307:01 pmSFO - STL
1 stop12h 46mFrontier
Fri 5/310:17 pmSTL - SFO
2 stops15h 06mFrontier
Deal found 4/26$214
Mon 4/296:09 pmSFO - STL
1 stop25h 50mFrontier
Mon 5/67:51 pmSTL - SFO
1 stop23h 38mFrontier
Deal found 4/26$218
Mon 4/2912:58 amSFO - STL
1 stop12h 52mFrontier
Wed 5/17:51 pmSTL - SFO
1 stop15h 53mFrontier
Deal found 4/25$219
Tue 4/307:01 pmSFO - STL
1 stop12h 46mFrontier
Wed 5/18:04 pmSTL - SFO
2 stops15h 21mFrontier
Deal found 4/25$223
Mon 4/2912:58 amSFO - STL
1 stop12h 52mFrontier
Wed 5/18:04 pmSTL - SFO
2 stops15h 21mFrontier
Deal found 4/25$224
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Sun 5/1210:59 pmSTL - SFO
1 stop10h 44mFrontier
Deal found 4/27$227

San Francisco to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
The lowest fares we've come across on flights traveling from San Francisco to St. Louis in April and May 2024. Check back soon for alternative fares.
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Fri 5/107:51 pmSTL - SFO
1 stop15h 53mFrontier
Deal found 4/27$210
Sat 5/412:58 amSFO - STL
1 stop11h 31mFrontier
Fri 5/178:45 pmSTL - SFO
1 stop13h 36mFrontier
Deal found 4/27$211
Mon 4/2911:43 amSFO - STL
1 stop7h 20mFrontier
Mon 5/69:53 pmSTL - SFO
2 stops15h 30mFrontier
Deal found 4/26$213
Tue 4/307:01 pmSFO - STL
1 stop12h 46mFrontier
Fri 5/310:17 pmSTL - SFO
2 stops15h 06mFrontier
Deal found 4/26$214
Mon 6/106:08 pmSFO - STL
1 stop14h 36mFrontier
Mon 6/177:29 pmSTL - SFO
1 stop7h 15mFrontier
Deal found 4/27$215
Mon 4/296:09 pmSFO - STL
1 stop25h 50mFrontier
Mon 5/67:51 pmSTL - SFO
1 stop23h 38mFrontier
Deal found 4/26$218
Mon 4/2912:58 amSFO - STL
1 stop12h 52mFrontier
Wed 5/17:51 pmSTL - SFO
1 stop15h 53mFrontier
Deal found 4/25$219
Sun 6/910:08 pmSFO - STL
1 stop10h 36mFrontier
Mon 6/177:29 pmSTL - SFO
1 stop7h 15mFrontier
Deal found 4/27$220
Tue 4/307:01 pmSFO - STL
1 stop12h 46mFrontier
Wed 5/18:04 pmSTL - SFO
2 stops15h 21mFrontier
Deal found 4/25$223

Non-stop flights to St. Louis from San Francisco

Discover non-stop flight options from San Francisco to St. Louis. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
If you're seeking options on non-stop flights from San Francisco to St. Louis, check out these fares. Select from other flights from San Francisco to St. Louis by using the search form above.
Thu 8/297:20 amSFO - STL
Nonstop7h 02mUnited Airlines
Tue 9/36:00 pmSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$585
Wed 8/2811:10 amSFO - STL
Nonstop3h 53mUnited Airlines
Tue 9/37:15 amSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/27$729
Fri 9/1311:10 amSFO - STL
Nonstop3h 53mUnited Airlines
Tue 9/176:00 pmSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$758
Tue 10/16:38 pmSFO - STL
Nonstop3h 52mUnited Airlines
Tue 10/157:15 amSTL - SFO
Nonstop4h 25mUnited Airlines
Deal found 4/26$1,209

San Francisco to St. Louis flights leaving soon

Find last-minute flight options from San Francisco to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Have a look at some of the flights available from San Francisco to St. Louis departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Fri 5/107:51 pmSTL - SFO
1 stop15h 53mFrontier
Deal found 4/27$210
Sat 5/412:58 amSFO - STL
1 stop11h 31mFrontier
Fri 5/178:45 pmSTL - SFO
1 stop13h 36mFrontier
Deal found 4/27$211
Mon 5/611:43 amSFO - STL
1 stop7h 20mFrontier
Sat 5/117:51 pmSTL - SFO
1 stop14h 12mFrontier
Deal found 4/27$224
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Sun 5/1210:59 pmSTL - SFO
1 stop10h 44mFrontier
Deal found 4/27$227
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Sun 5/127:51 pmSTL - SFO
1 stop13h 52mFrontier
Deal found 4/25$229
Fri 5/311:59 pmSFO - STL
1 stop6h 51mAmerican Airlines
Tue 5/75:04 amSTL - SFO
1 stop9h 43mAmerican Airlines
Deal found 4/26$256
Thu 5/212:45 amSFO - STL
1 stop8h 14mDelta
Tue 5/76:30 pmSTL - SFO
1 stop7h 42mDelta
Deal found 4/26$258
Thu 5/212:44 amSFO - STL
1 stop7h 03mFrontier
Sun 5/53:29 pmSTL - SFO
1 stop29h 01mFrontier
Deal found 4/26$289
Sun 5/512:09 amSFO - STL
1 stop8h 05mUnited Airlines
Fri 5/105:25 pmSTL - SFO
1 stop9h 13mUnited Airlines
Deal found 4/26$328

One-way flights to St. Louis from San Francisco

Search for one-way flight options from San Francisco to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
If you're seeking multiple options on one-way flights from San Francisco to St. Louis, be sure to check out these deals, which are updated often. Those needing a return flight from San Francisco to St. Louis can use the search form above.
Tue 5/149:25 pmSFO - STL
1 stop10h 53mFrontier
Deal found 4/26$65
Mon 5/1312:58 amSFO - STL
1 stop12h 52mFrontier
Deal found 4/26$70
Sat 5/2511:43 amSFO - STL
1 stop9h 06mFrontier
Deal found 4/26$80
Tue 5/149:25 pmSFO - STL
1 stop10h 53mFrontier
Deal found 4/27$86
Mon 5/1312:58 amSFO - STL
1 stop12h 52mFrontier
Deal found 4/27$91
Tue 5/712:58 amSFO - STL
1 stop6h 49mFrontier
Deal found 4/25$99
Mon 5/611:43 amSFO - STL
1 stop7h 20mFrontier
Deal found 4/26$100
Sun 5/269:00 amSFO - STL
1 stop11h 32mFrontier
Deal found 4/25$104
Sat 5/412:58 amSFO - STL
1 stop11h 31mFrontier
Deal found 4/26$106

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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$124 - $428

Route

Depart

Return

Price

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Wed 5/15

1 stop23h 38m

Lambert-St Louis

Sat 5/18

1 stop7h 18m

$124

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 5/14

1 stop13h 59m

Lambert-St Louis

Thu 5/16

1 stop28h 44m

$128

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 5/21

1 stop7h 32m

Lambert-St Louis

Tue 5/28

1 stop9h 50m

$135

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Mon 5/13

1 stop7h 20m

Lambert-St Louis

Wed 5/15

1 stop28h 17m

$137

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 5/14

1 stop6h 49m

Lambert-St Louis

Sat 5/18

1 stop7h 18m

$144

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Fri 9/13

1 stop8h 05m

Lambert-St Louis

Tue 9/17

1 stop5h 55m

$226

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Mon 9/30

1 stop7h 30m

Lambert-St Louis

Tue 10/15

1 stop7h 00m

$247

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Wed 7/17

1 stop6h 53m

Lambert-St Louis

Sun 7/21

1 stop16h 11m

$254

San FranciscoLambert-St Louis

SFO - STL

SFOSTL

San Francisco

Tue 10/1

1 stop5h 50m

Lambert-St Louis

Tue 10/15

Nonstop4h 25m

$428

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to 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 January 28, 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 46 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.
Search Deals

When is the cheapest time 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 April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from San Francisco to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to St. Louis is currently $89 while a round-trip flight costs $203. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from San Francisco to St. Louis (average of $323). Flying from San Francisco to St. Louis in July is currently the most expensive (average of $378). 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.

January

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °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 April 27, 2024.
To help decide which airline to fly from San Francisco to St. Louis, see what other customers have to say about American Airlines, United Airlines and Frontier. 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
9,117 reviews

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,117 reviews
8.1
Very good
9,117 reviews

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
10,951 reviews
8.1
Very good
9,117 reviews

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,228 reviews
8.1
Very good
9,117 reviews

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,875 reviews
8.1
Very good
9,117 reviews

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
657 reviews
8.1
Very good
9,117 reviews

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.
  • 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 $124, but on average you can expect to pay $158.

  • Are there nonstop flights from San Francisco to St. Louis for under $600 on Cheapflights?

    Cheapflights has at least 4 direct flights from San Francisco to St. Louis under $600. A good price for a nonstop flight from San Francisco to St. Louis is less than $820.

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

    There are currently 20+ open flights from San Francisco to St. Louis within the next 7 days for less than $300.

  • What is the cheapest airline to fly from San Francisco to St. Louis round-trip?

    Currently priced at $124, 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. Users have found that Frontier is 71% 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 $65 on Frontier. Other airlines that offer cheap prices include Sun Country Air from $120 and American Airlines from $129 one-way.

  • What are the most popular airlines that fly from San Francisco to St. Louis?

  • 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 Civic Center Park. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Civic Center Park can do so by traveling 18.4 mi, 18.7 mi, and 18.7 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 $47.

  • 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 4/27.

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 6 airlines flying from San Francisco to St. Louis

Discover the top 6 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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$152Average$238FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$237Average$355FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$278Average$492FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$295Average$497FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$314Average$457FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$316Average$510FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from San Francisco to St. Louis by cabin class

Find flights from San Francisco to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from San Francisco to St. Louis

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 April 27, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Francisco to St. Louis

Explore weekly flight availability from San Francisco to St. Louis. 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 April 27, 2024.
Sunday0daily flights
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday1daily flight

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to St. Louis?

Deals for San Francisco to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to St. Louis?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to St. Louis with no change fees?

Need flexible booking options for your flight to St. Louis from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to St. Louis become cheaper?

Of course! You can now track prices for flights from San Francisco to St. Louis and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.