$129+ Cheap flights from San Jose, CA to St. Louis (SJC - 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — STL
Feb 26 — Mar 51
1 adult, Economy
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Find cheap flights from San Jose to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Jose to St. Louis
Cheapest flights from San Jose to St. LouisExplore the most affordable flight options available from San Jose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
Explore the most affordable flight options available from San Jose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
This Frontier deal was found by Cheapflights users on 1/26. 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.
Thu 2/1910:34 am
SJC
- STL
1 stop8h 52m
Frontier
Thu 2/2610:11 pm
STL
- SJC
1 stop11h 44m
Frontier
Deal found 1/26![Frontier logo]()
$235
This Delta deal was found by Cheapflights users on 1/26. 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 2/244:59 pm
SJC
- STL
1 stop5h 26m
Delta
Sat 2/287:00 am
STL
- SJC
1 stop7h 16m
Delta
Deal found 1/26![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 1/26. 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 2/247:35 am
SJC
- STL
2 stops7h 00m
Southwest
Tue 3/36:20 am
STL
- SJC
1 stop6h 20m
Southwest
Deal found 1/26![Southwest logo]()
$262
This Frontier deal was found by Cheapflights users on 1/26. 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.
Thu 2/1910:34 am
SJC
- STL
1 stop8h 52m
Frontier
Sun 3/110:11 pm
STL
- SJC
1 stop12h 29m
Frontier
Deal found 1/26![Frontier logo]()
$276
This Delta deal was found by Cheapflights users on 1/26. 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.
Sat 2/211:20 pm
SJC
- STL
1 stop6h 18m
Delta
Sat 2/287:00 am
STL
- SJC
2 stops15h 03m
Delta
Deal found 1/26![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 1/26. 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 2/197:15 am
SJC
- STL
2 stops14h 08m
Delta
Tue 2/246:00 am
STL
- SJC
1 stop8h 39m
Delta
Deal found 1/26![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 2/2510:35 pm
SJC
- STL
1 stop8h 31m
Delta
Fri 2/272:22 pm
STL
- SJC
2 stops9h 43m
Delta
Deal found 1/26![Delta logo]()
$295
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Tue 2/242:48 pm
SJC
- STL
2 stops21h 03m
Alaska Airlines
Tue 3/37:00 am
STL
- SJC
1 stop8h 42m
Alaska Airlines
Deal found 1/27![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 1/26. 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 2/191:57 pm
SJC
- STL
1 stop7h 39m
Delta
Sat 2/287:00 am
STL
- SJC
1 stop7h 16m
Delta
Deal found 1/26![Delta logo]()
$308
This CheapOair deal was found by Cheapflights users on 1/26. 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.
Fri 2/277:10 pm
SJC
- STL
1 stop16h 41m
Alaska Airlines
Tue 3/37:00 am
STL
- SJC
1 stop8h 42m
Alaska Airlines
Deal found 1/26![Alaska Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 1/26. 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 2/2512:10 pm
SJC
- STL
1 stop6h 15m
Southwest
Mon 3/25:40 am
STL
- SJC
2 stops8h 15m
Southwest
Deal found 1/26![Southwest logo]()
$313
Find flight deals from San Jose to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Frontier) |
One-way from | $129 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $387 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose 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 27, 2026.
Use the filters below to find and compare flights from San Jose to St. Louis that are best for you.
Fly from
San Jose
Fly to
St. Louis
Route
Depart
Return
Price
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 2/24
7:35 am-4:35 pm
2 stops7h 00m
Lambert-St Louis
Tue 3/3
6:20 am-10:40 am
1 stop6h 20m
$262
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 2/24
6:20 am-2:54 pm
1 stop6h 34m
Lambert-St Louis
Tue 3/3
2:22 pm-10:05 pm
2 stops9h 43m
$285
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Wed 2/25
6:20 am-2:54 pm
1 stop6h 34m
Lambert-St Louis
Sat 2/28
7:00 am-8:03 pm
2 stops15h 03m
$285
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 2/24
4:59 pm-12:25 am
1 stop5h 26m
Lambert-St Louis
Sat 2/28
7:00 am-8:03 pm
2 stops15h 03m
$285
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Sat 2/21
1:20 pm-9:38 pm
1 stop6h 18m
Lambert-St Louis
Sat 2/28
7:00 am-8:03 pm
2 stops15h 03m
$285
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Wed 2/25
5:45 am-1:32 pm
1 stop5h 47m
Lambert-St Louis
Fri 2/27
2:22 pm-10:05 pm
2 stops9h 43m
$295
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 2/24
2:48 pm-1:51 pm
2 stops21h 03m
Lambert-St Louis
Tue 3/3
7:00 am-1:42 pm
1 stop8h 42m
$305
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 2/19
1:57 pm-11:36 pm
1 stop7h 39m
Lambert-St Louis
Tue 2/24
6:00 am-12:39 pm
1 stop8h 39m
$308
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Fri 2/20
10:35 pm-9:06 am
1 stop8h 31m
Lambert-St Louis
Tue 2/24
3:40 pm-8:53 pm
1 stop7h 13m
$316
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Fri 2/20
10:35 pm-9:06 am
1 stop8h 31m
Lambert-St Louis
Sat 2/28
7:00 am-12:16 pm
1 stop7h 16m
$316
Showing 1-10 of 20 results
Compare providers for flights from San Jose to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to St. Louis in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Jose, California-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Jose to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Jose 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 Jose to St. Louis
How far ahead should I book a flight from San Jose, California to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from San Jose to St. Louis. Price data was last updated on January 23, 2026.
The best time to book flights from San Jose, California to St. Louis is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Jose, California to St. Louis?
Currently, February is the cheapest month in which you can book a flight from San Jose, California to St. Louis (average of $91). Flying from San Jose, California to St. Louis in June is currently the most expensive (average of $261). 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.
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 27, 2026.
Read through reviews of airlines operating flights from San Jose to St. Louis, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Jose to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
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Fairview Heights
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Alton
Farmington
Festus
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Alternative routes for San Jose to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from San Jose to St. Louis
Discover the top 4 airlines that operate flights from San Jose 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$281 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$420 | FlexibilityNo cancel fee | On-time63% |