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St. Louis

$93+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — STL
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
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 August 7, 2025.

Round-trip from

$187
(Southwest)

One-way from

$93
(Southwest)

Popular in

June

Cheapest in

January

Average price

$404
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. 7% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 7, 2025.

This Southwest deal was found by Cheapflights users on 8/7. 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 9/152:55 pmOAK - STL
1 stop8h 00mSouthwest
Wed 9/178:50 amSTL - OAK
1 stop6h 00mSouthwest
Deal found 8/7$187
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 10/296:13 pmSJC - STL
1 stop19h 05mAlaska Airlines
Tue 11/47:00 amSTL - SJC
1 stop8h 45mAlaska Airlines
Deal found 8/6$206
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/38:00 amSJC - STL
1 stop8h 22mAmerican Airlines
Sat 9/133:59 pmSTL - SJC
1 stop7h 09mAmerican Airlines
Deal found 8/4$207
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/206:00 amSJC - STL
1 stop7h 09mAmerican Airlines
Sat 9/278:00 amSTL - SJC
1 stop12h 35mAmerican Airlines
Deal found 8/6$219
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 11/155:10 amOAK - STL
1 stop5h 35mSouthwest
Mon 11/172:25 pmSTL - OAK
1 stop8h 10mSouthwest
Deal found 8/6$220
This Southwest deal was found by Cheapflights users on 8/4. 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 9/38:10 amSJC - STL
2 stops7h 30mSouthwest
Sat 9/131:45 pmSTL - SJC
1 stop6h 20mSouthwest
Deal found 8/4$220
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 9/23:15 pmSJC - STL
1 stop21h 24mAlaska Airlines
Tue 9/96:00 amSTL - SJC
1 stop7h 58mAlaska Airlines
Deal found 8/7$232
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/271:09 pmSJC - STL
1 stop8h 05mAmerican Airlines
Fri 8/296:14 pmSTL - SJC
1 stop6h 11mAmerican Airlines
Deal found 8/5$233
This FlightHub deal was found by Cheapflights users on 8/6. 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.
Sun 9/2812:26 pmSJC - STL
1 stop18h 40mFrontier
Wed 10/17:55 pmSTL - SJC
1 stop19h 19mFrontier
Deal found 8/6$245
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 11/159:55 amOAK - STL
1 stop5h 05mSouthwest
Sun 11/165:30 amSTL - OAK
1 stop6h 05mSouthwest
Deal found 8/6$250
This Booking.com deal was found by Cheapflights users on 8/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:52 pmSFO - STL
1 stop16h 50mFrontier
Wed 8/207:54 pmSTL - SFO
1 stop17h 35mFrontier
Deal found 8/7$253
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Sun 8/1710:33 amSFO - STL
1 stop25h 09mFrontier
Thu 8/217:54 pmSTL - SFO
1 stop6h 25mFrontier
Deal found 8/7$254

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 August 7, 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

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Mon 9/15

2:55 pm-12:55 am

1 stop8h 00m

Lambert-St Louis

Wed 9/17

8:50 am-12:50 pm

1 stop6h 00m

$187

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 10/29

8:10 am-3:18 pm

1 stop29h 08m

Lambert-St Louis

Tue 11/4

7:00 am-1:45 pm

1 stop8h 45m

$206

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 8/26

1:09 pm-11:14 pm

1 stop8h 05m

Lambert-St Louis

Sat 8/30

10:08 am-4:36 pm

1 stop8h 28m

$207

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 9/20

6:00 am-3:09 pm

1 stop7h 09m

Lambert-St Louis

Sat 9/27

8:00 am-6:35 pm

1 stop12h 35m

$219

OaklandSt. Louis

OAK - STL

OAKSTL

Oakland

Sat 11/15

5:10 am-12:45 pm

1 stop5h 35m

Lambert-St Louis

Mon 11/17

2:25 pm-8:35 pm

1 stop8h 10m

$220

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 9/3

8:10 am-5:40 pm

2 stops7h 30m

Lambert-St Louis

Sat 9/13

1:45 pm-6:05 pm

1 stop6h 20m

$220

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 9/15

2:55 pm-11:25 pm

1 stop6h 30m

Lambert-St Louis

Wed 9/17

6:10 am-12:20 pm

2 stops8h 10m

$229

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 9/2

3:15 pm-2:39 pm

1 stop21h 24m

Lambert-St Louis

Tue 9/9

6:00 am-11:58 am

1 stop7h 58m

$232

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 8/27

1:09 pm-11:14 pm

1 stop8h 05m

Lambert-St Louis

Fri 8/29

6:14 pm-10:25 pm

1 stop6h 11m

$233

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 9/12

8:30 am-4:00 pm

1 stop5h 30m

Lambert-St Louis

Mon 9/15

5:35 am-11:35 am

1 stop8h 00m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 60 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 August 7, 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.

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 August 7, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Francisco Bay Area to St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,247 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,631 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

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?

    Flights from San Francisco Bay Area to Lambert-St Louis have been viewed 15 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 Southwest, which is currently one of the cheapest options available, starting at $93. Alaska Airlines flights start at $103 while deals on American Airlines start at $154 one-way.

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

    Most travelers choose San Francisco - Lambert-St Louis, Oakland - Lambert-St Louis or San Jose - 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 Southwest (82%), United Airlines (78%) and Air New Zealand (73%).

  • 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 $368, our data indicates the cheapest price to be $153. The most popular route (San Francisco - Lambert-St Louis), is priced around $190.

  • 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

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.
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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$189Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$445FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$305Average$434FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$432Average$708FlexibilityNo cancel feeOn-time75%

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