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$55+ Cheap flights from San Francisco Bay Area to St. Louis (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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — STL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to St. Louis

Keep the following information in mind while searching for San Francisco Bay Area to St. Louis flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$153
(Mytrip)

One-way from

$55
(Frontier)

Popular in

June

Cheapest in

January

Average price

$410
Provider with most accurate pricing for San Francisco-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Lambert-St Louis flights.
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From San Francisco Bay Area to Lambert-St Louis
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One-way flight from San Francisco Bay Area to Lambert-St Louis
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from San Francisco Bay Area to St. Louis

Cheapest flights from San Francisco Bay Area to St. Louis
Explore the most affordable flight options available from San Francisco Bay Area to St. Louis. 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.
Sat 4/192:40 pmSJC - STL
1 stop18h 42mFrontier
Sat 4/266:51 pmSTL - SJC
1 stop18h 43mFrontier
Deal found 2/19$153
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.
Mon 3/245:10 pmSJC - STL
1 stop5h 22mDelta
Sat 3/294:29 pmSTL - SJC
1 stop7h 40mDelta
Deal found 2/20$257
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.
Wed 4/309:47 amSJC - STL
2 stops7h 42mAmerican Airlines
Wed 5/75:15 amSTL - SJC
1 stop8h 00mAmerican Airlines
Deal found 2/19$262
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/37:47 pmSFO - STL
1 stop11h 19mFrontier
Mon 4/76:51 pmSTL - SFO
2 stops16h 29mFrontier
Deal found 2/20$272
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1410:35 amSFO - STL
2 stops11h 24mMultiple Airlines
Wed 4/166:51 pmSTL - SFO
1 stop7h 53mMultiple Airlines
Deal found 2/20$287
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/812:11 pmOAK - STL
3 stops45h 34mMultiple Airlines
Thu 4/106:11 pmSTL - OAK
2 stops14h 38mMultiple Airlines
Deal found 2/20$291
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.
Mon 3/246:55 amSJC - STL
1 stop8h 15mSouthwest
Sat 3/296:15 amSTL - SJC
2 stops8h 40mSouthwest
Deal found 2/20$292
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:55 amSJC - STL
1 stop10h 01mHawaiian Airlines
Fri 10/317:00 amSTL - SJC
1 stop9h 10mHawaiian Airlines
Deal found 2/20$296
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1712:05 pmSFO - STL
Nonstop3h 48mUnited Airlines
Thu 3/207:00 amSTL - SFO
Nonstop4h 38mUnited Airlines
Deal found 2/20$298
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/85:02 amSFO - STL
1 stop11h 00mAmerican Airlines
Thu 4/105:27 pmSTL - SFO
1 stop8h 14mAmerican Airlines
Deal found 2/20$310
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.
Tue 4/81:10 pmOAK - STL
1 stop6h 40mSouthwest
Thu 4/107:10 pmSTL - OAK
1 stop6h 35mSouthwest
Deal found 2/20$312
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.
Sat 3/13:28 pmSJC - STL
3 stops21h 14mSpirit Airlines
Tue 3/115:38 pmSTL - SJC
2 stops32h 37mSpirit Airlines
Deal found 2/19$315

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

Customize your flight search to find flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

San Francisco Bay Area

Fly to

St. Louis

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 4/19

2:40 pm-11:22 am

1 stop18h 42m

Lambert-St Louis

Sat 4/26

6:51 pm-11:34 am

1 stop18h 43m

$153

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 3/24

5:10 pm-12:32 am

1 stop5h 22m

Lambert-St Louis

Sat 3/29

4:29 pm-10:09 pm

1 stop7h 40m

$257

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 4/30

9:47 am-7:29 pm

2 stops7h 42m

Lambert-St Louis

Wed 5/7

5:15 am-11:15 am

1 stop8h 00m

$262

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Thu 4/3

7:47 pm-9:06 am

1 stop11h 19m

Lambert-St Louis

Mon 4/7

6:51 pm-9:20 am

2 stops16h 29m

$272

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Mon 4/14

10:35 am-11:59 pm

2 stops11h 24m

Lambert-St Louis

Wed 4/16

6:51 pm-12:44 am

1 stop7h 53m

$287

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Tue 4/8

12:11 pm-11:45 am

3 stops45h 34m

Lambert-St Louis

Thu 4/10

6:11 pm-6:49 am

2 stops14h 38m

$291

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 3/24

6:55 am-5:10 pm

1 stop8h 15m

Lambert-St Louis

Sat 3/29

6:15 am-12:55 pm

2 stops8h 40m

$292

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Mon 3/17

12:05 pm-5:53 pm

Nonstop3h 48m

Lambert-St Louis

Thu 3/20

7:00 am-9:38 am

Nonstop4h 38m

$298

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Tue 4/8

5:02 am-6:02 pm

1 stop11h 00m

Lambert-St Louis

Thu 4/10

5:27 pm-11:41 pm

1 stop8h 14m

$310

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Tue 4/8

1:10 pm-9:50 pm

1 stop6h 40m

Lambert-St Louis

Thu 4/10

7:10 pm-11:45 pm

1 stop6h 35m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 40 results
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Best time to book a flight from San Francisco Bay Area to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Francisco Bay Area 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 Bay Area to St. Louis

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

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

Currently, August is the cheapest month in which you can book a flight from San Francisco Bay Area to St. Louis (average of $311). Flying from San Francisco Bay Area 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 XIH to STL?

Find hourly flight availability from San Francisco Bay Area 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco Bay Area to St. Louis as you normally would.

Weekly flight availability from San Francisco Bay Area to St. Louis

Explore weekly flight availability from San Francisco Bay Area 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 February 20, 2025.

The most flights from zzXIH to STL are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from San Francisco Bay Area to St. Louis to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area 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 airport do you fly into for flights to St. Louis from San Francisco Bay Area?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from San Francisco Bay Area to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

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

    Flights from San Francisco Bay Area to Lambert-St Louis have been viewed 5 times in the past calendar month.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $55. Delta flights start at $129 while deals on United Airlines start at $149 one-way.

  • What are the most popular routes from San Francisco Bay Area to St. Louis?

    Most travelers choose San Francisco - Lambert-St Louis, San Jose - Lambert-St Louis or Oakland - Lambert-St Louis when deciding on the best route from San Francisco Bay Area to St. Louis.

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

    The top 3 most reliable airlines when flying from San Francisco Bay Area to St. Louis are United Airlines (84%), Air New Zealand (77%) and Asiana Airlines (75%).

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

    Looking for the cheapest flight from San Francisco Bay Area to St. Louis? While on average our users pay $652, our data indicates the cheapest price to be $154. The most popular route (San Francisco - Lambert-St Louis), is priced around $226.

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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.

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

    Currently, August is the cheapest month in which you can book a flight from San Francisco Bay Area to St. Louis (average of $311). Flying from San Francisco Bay Area 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

Traveling to a place near San Francisco Bay Area?

Book flights to San Francisco Bay Area if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Top 6 airlines flying from San Francisco Bay Area to St. Louis

Discover the top 6 airlines that operate flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$219FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$120Average$212FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$235Average$448FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$408FlexibilityNo cancel feeOn-time69%
DeltaCheapest$245Average$402FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$291Average$461FlexibilityNo cancel feeOn-time63%
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