St. Louis

$123+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — STL
Jan 26 — Feb 21
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Cheap flight deals from San Francisco Bay Area to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco Bay Area (zzXIH) 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 January 21, 2025.

Round-trip from

$139
(Gotogate)

One-way from

$123
(Alaska Airlines)
From San Francisco Bay Area to Lambert-St Louis
One-way flight from San Francisco Bay Area to Lambert-St Louis

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 January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/71:11 pmSJC - STL
1 stop18h 05mFrontier
Sat 2/87:09 pmSTL - SJC
1 stop19h 02mFrontier
Deal found 1/21$139
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/1712:32 amSFO - STL
1 stop8h 26mAmerican Airlines
Tue 2/253:43 pmSTL - SFO
1 stop9h 16mAmerican Airlines
Deal found 1/19$247
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/226:10 amSJC - STL
1 stop8h 23mAmerican Airlines
Tue 2/252:12 pmSTL - SJC
1 stop6h 46mAmerican Airlines
Deal found 1/21$247
This Frontier deal was found by Cheapflights users on 1/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/148:10 pmSFO - STL
1 stop11h 06mFrontier
Mon 3/247:03 pmSTL - SFO
1 stop7h 40mFrontier
Deal found 1/20$249
This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 2/2012:40 amSFO - STL
1 stop8h 19mDelta
Sun 2/236:00 amSTL - SFO
1 stop9h 20mDelta
Deal found 1/20$257
This Delta deal was found by Cheapflights users on 1/20. 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 3/316:15 amSJC - STL
1 stop8h 37mDelta
Tue 4/85:00 pmSTL - SJC
1 stop8h 56mDelta
Deal found 1/20$257
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Mon 2/311:37 amOAK - STL
2 stops25h 06mSpirit Airlines
Tue 3/115:38 pmSTL - OAK
3 stops25h 19mSpirit Airlines
Deal found 1/21$268
This Expedia deal was found by Cheapflights users on 1/20. 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.
Fri 4/258:57 pmSFO - STL
1 stop11h 04mMultiple Airlines
Tue 4/296:30 amSTL - SFO
2 stops17h 00mMultiple Airlines
Deal found 1/20$278
This Southwest deal was found by Cheapflights users on 1/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:05 amSFO - STL
1 stop8h 10mSouthwest
Fri 4/254:50 pmSTL - SFO
Nonstop4h 20mSouthwest
Deal found 1/19$292
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/612:10 pmSFO - STL
Nonstop3h 59mUnited Airlines
Tue 2/259:00 amSTL - SFO
Nonstop4h 38mUnited Airlines
Deal found 1/20$293
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/57:55 pmSFO - STL
2 stops26h 04mAlaska Airlines
Sat 3/83:21 pmSTL - SFO
1 stop7h 47mAlaska Airlines
Deal found 1/20$315
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/116:00 amOAK - STL
1 stop5h 43mDelta
Thu 2/137:40 amSTL - OAK
1 stop6h 50mDelta
Deal found 1/21$317

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 2/7

1:11 pm-9:16 am

1 stop18h 05m

Lambert-St Louis

Sat 2/8

7:09 pm-12:11 pm

1 stop19h 02m

$139

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Mon 2/17

12:32 am-10:58 am

1 stop8h 26m

Lambert-St Louis

Tue 2/25

3:43 pm-10:59 pm

1 stop9h 16m

$247

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 2/22

6:10 am-4:33 pm

1 stop8h 23m

Lambert-St Louis

Tue 2/25

2:12 pm-6:58 pm

1 stop6h 46m

$247

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Fri 3/14

8:10 pm-9:16 am

1 stop11h 06m

Lambert-St Louis

Mon 3/24

7:03 pm-12:43 am

1 stop7h 40m

$249

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Thu 2/20

12:40 am-10:59 am

1 stop8h 19m

Lambert-St Louis

Tue 2/25

11:50 am-7:12 pm

1 stop9h 22m

$257

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 3/31

6:15 am-4:52 pm

1 stop8h 37m

Lambert-St Louis

Wed 4/9

5:00 pm-11:56 pm

1 stop8h 56m

$257

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Mon 2/3

11:37 am-2:43 pm

2 stops25h 06m

Lambert-St Louis

Tue 3/11

5:38 pm-4:57 pm

3 stops25h 19m

$268

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Tue 2/18

6:30 am-4:33 pm

1 stop8h 03m

Lambert-St Louis

Tue 2/25

9:00 am-11:38 am

Nonstop4h 38m

$272

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Fri 4/25

8:57 pm-10:01 am

1 stop11h 04m

Lambert-St Louis

Tue 4/29

6:30 am-9:30 pm

2 stops17h 00m

$278

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Tue 4/22

6:05 am-4:15 pm

1 stop8h 10m

Lambert-St Louis

Fri 4/25

4:50 pm-7:10 pm

Nonstop4h 20m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 38 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 January 21, 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.

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 January 21, 2025.
Peruse reviews from past customers who have flown with Frontier, Southwest 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.
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

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
4,662 reviews
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

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
9,706 reviews
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

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
8,521 reviews
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

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
8,985 reviews
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

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 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?

  • 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $123. Frontier flights start at $128 while deals on Delta start at $129 one-way.

  • What are the most popular routes 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 Air New Zealand (78%), Asiana Airlines (77%) and United Airlines (76%).

  • 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 $616, our data indicates the cheapest price to be $154. The most popular route (San Francisco - Lambert-St Louis), is priced around $184.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area 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 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$117Average$192FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$120Average$212FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$235Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$408FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$405FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$291Average$461FlexibilityNo cancel feeOn-time63%
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