St. Louis

$113+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — STL
Jun 23 — Jun 301
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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 June 18, 2025.

Round-trip from

$210
(CheapOair)

One-way from

$113
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$496
From San Francisco Bay Area to Lambert-St Louis
One-way flight from San Francisco Bay Area to Lambert-St Louis
Highest demand for flights based on searches. 10% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 18, 2025.

This CheapOair deal was found by Cheapflights users on 6/16. 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.
Thu 7/312:18 pmSJC - STL
1 stop18h 54mFrontier
Thu 7/102:27 pmSTL - SJC
1 stop24h 50mFrontier
Deal found 6/16$210
This Sun Country Air deal was found by Cheapflights users on 6/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:09 pmSFO - STL
1 stop15h 35mSun Country Air
Sun 8/245:10 pmSTL - SFO
1 stop16h 56mSun Country Air
Deal found 6/16$285
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/136:10 amSFO - STL
1 stop10h 13mAmerican Airlines
Tue 8/195:15 amSTL - SFO
1 stop6h 56mAmerican Airlines
Deal found 6/16$298
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/1610:40 amSFO - STL
Nonstop4h 05mUnited Airlines
Wed 7/236:30 amSTL - SFO
Nonstop4h 16mUnited Airlines
Deal found 6/17$299
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Thu 6/2610:31 amOAK - STL
3 stops22h 02mMultiple Airlines
Sun 6/296:12 amSTL - OAK
1 stop12h 33mMultiple Airlines
Deal found 6/16$308
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 8/131:45 pmSFO - STL
Nonstop3h 50mSouthwest
Tue 8/199:10 amSTL - SFO
Nonstop4h 10mSouthwest
Deal found 6/17$308
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Wed 7/306:30 amSJC - STL
2 stops25h 22mSpirit Airlines
Mon 8/410:47 amSTL - SJC
2 stops39h 07mSpirit Airlines
Deal found 6/16$309
This Southwest deal was found by Cheapflights users on 6/16. 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 10/144:30 pmSJC - STL
1 stop5h 40mSouthwest
Tue 10/215:55 amSTL - SJC
1 stop5h 50mSouthwest
Deal found 6/16$314
This Mytrip deal was found by Cheapflights users on 6/16. 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 7/89:38 pmOAK - STL
3 stops34h 14mSpirit Airlines
Mon 7/1410:47 amSTL - OAK
2 stops23h 41mSpirit Airlines
Deal found 6/16$316
This FlightHub deal was found by Cheapflights users on 6/17. 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 7/148:53 pmSFO - STL
1 stop24h 54mFrontier
Mon 7/217:29 pmSTL - SFO
1 stop6h 50mFrontier
Deal found 6/17$316
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 10/17:00 amSTS - STL
1 stop8h 34mHawaiian Airlines
Wed 10/86:33 amSTL - STS
1 stop9h 01mHawaiian Airlines
Deal found 6/16$318
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 10/294:40 pmSJC - STL
1 stop20h 25mAlaska Airlines
Tue 11/47:00 amSTL - SJC
1 stop8h 33mAlaska Airlines
Deal found 6/17$318

Cheapflights Fare Finder

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 June 18, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to St. Louis that are best for you.

Fly from

San Francisco Bay Area

Fly to

St. Louis

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 7/3

12:18 pm-9:12 am

1 stop18h 54m

Lambert-St Louis

Thu 7/10

2:27 pm-1:17 pm

1 stop24h 50m

$210

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Thu 8/21

6:09 pm-11:44 am

1 stop15h 35m

Lambert-St Louis

Sun 8/24

5:10 pm-8:06 am

1 stop16h 56m

$285

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Wed 8/13

6:10 am-6:23 pm

1 stop10h 13m

Lambert-St Louis

Tue 8/19

5:15 am-10:11 am

1 stop6h 56m

$298

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Wed 7/16

10:40 am-4:45 pm

Nonstop4h 05m

Lambert-St Louis

Wed 7/23

6:30 am-8:46 am

Nonstop4h 16m

$299

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Wed 8/13

1:45 pm-7:35 pm

Nonstop3h 50m

Lambert-St Louis

Tue 8/19

9:10 am-11:20 am

Nonstop4h 10m

$308

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 7/30

6:30 am-9:52 am

2 stops25h 22m

Lambert-St Louis

Mon 8/4

10:47 am-11:54 pm

2 stops39h 07m

$309

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Tue 7/8

9:38 pm-9:52 am

3 stops34h 14m

Lambert-St Louis

Mon 7/14

10:47 am-8:28 am

2 stops23h 41m

$316

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Mon 7/14

8:53 pm-11:47 pm

1 stop24h 54m

Lambert-St Louis

Mon 7/21

7:29 pm-12:19 am

1 stop6h 50m

$316

Santa RosaSt. Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Wed 10/1

7:00 am-5:34 pm

1 stop8h 34m

Lambert-St Louis

Wed 10/8

6:33 am-1:34 pm

1 stop9h 01m

$318

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Tue 7/15

6:00 am-1:26 pm

1 stop5h 26m

Lambert-St Louis

Tue 7/22

7:15 pm-11:55 pm

1 stop6h 40m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 52 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to St. Louis

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 June 18, 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 June 18, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, 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.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Sun Country Air, which is currently one of the cheapest options available, starting at $113. Spirit Airlines flights start at $124 while deals on American Airlines start at $144 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 Southwest (77%), Air New Zealand (72%) and Asiana Airlines (69%).

  • 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 $659, our data indicates the cheapest price to be $99. The most popular route (San Francisco - Lambert-St Louis), is priced around $285.

  • 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$208FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$240Average$435FlexibilityNo cancel feeOn-time71%
DeltaCheapest$246Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$310Average$435FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$432Average$708FlexibilityNo cancel feeOn-time75%

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