$128+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — STL
May 28 — Jun 41
Round-trip
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
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Best
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One-way
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 April 28, 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 April 28, 2026.
This CheapOair deal was found by Cheapflights users on 4/25. 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 6/42:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Sun 6/79:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 4/25![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/24. 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.
Sun 5/38:19 pm
SJC
- STL
1 stop22h 41m
Frontier
Sun 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Deal found 4/24![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Sun 5/242:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Sun 5/319:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 4/27![Frontier logo]()
$325
This Delta deal was found by Cheapflights users on 4/24. 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 5/1612:12 pm
SJC
- STL
1 stop9h 47m
Delta
Tue 5/195:15 pm
STL
- SJC
1 stop7h 40m
Delta
Deal found 4/24![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/1612:46 pm
SJC
- STL
2 stops8h 13m
American Airlines
Tue 5/195:20 am
STL
- SJC
1 stop6h 50m
American Airlines
Deal found 4/24![American Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:12 pm
SJC
- STL
1 stop24h 53m
Frontier
Wed 6/177:46 pm
STL
- SJC
2 stops25h 51m
Frontier
Deal found 4/27![Frontier logo]()
$371
This Delta deal was found by Cheapflights users on 4/22. 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 5/181:13 pm
SJC
- STL
1 stop8h 08m
Delta
Mon 6/83:57 pm
STL
- SJC
1 stop9h 00m
Delta
Deal found 4/22![Delta logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:12 pm
SJC
- STL
1 stop24h 53m
Frontier
Tue 6/166:31 pm
STL
- SJC
2 stops44h 46m
Frontier
Deal found 4/27![Frontier logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/72:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Wed 6/177:46 pm
STL
- SJC
2 stops25h 51m
Frontier
Deal found 4/27![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 4/24. 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 6/37:45 am
SJC
- STL
1 stop8h 10m
Southwest
Sat 6/64:40 pm
STL
- SJC
1 stop6h 35m
Southwest
Deal found 4/24![Southwest logo]()
$397
Best flights from San Jose to St. LouisDiscover carefully curated flight deals from San Jose to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from San Jose to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 5/206:20 am
SJC
- STL
1 stop8h 26m
Delta
Sun 5/247:00 am
STL
- SJC
1 stop7h 48m
Delta
Deal found 4/23![Delta logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 6/28:00 am
SJC
- STL
1 stop6h 37m
Alaska Airlines
Wed 6/35:33 pm
STL
- SJC
1 stop7h 26m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 4/23. 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.
Thu 8/276:15 am
SJC
- STL
1 stop5h 25m
Southwest
Sun 8/308:20 am
STL
- SJC
1 stop8h 05m
Southwest
Deal found 4/23![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 4/25. 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.
Sun 6/285:01 pm
SJC
- STL
1 stop5h 42m
Delta
Tue 6/308:00 am
STL
- SJC
2 stops11h 04m
Delta
Deal found 4/25![Delta logo]()
$441
This Southwest deal was found by Cheapflights users on 4/24. 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 6/32:20 pm
SJC
- STL
2 stops6h 55m
Southwest
Sat 6/610:15 am
STL
- SJC
2 stops9h 40m
Southwest
Deal found 4/24![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 4/26. 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 6/246:10 am
SJC
- STL
2 stops9h 35m
Southwest
Sat 6/274:45 pm
STL
- SJC
1 stop7h 30m
Southwest
Deal found 4/26![Southwest logo]()
$472
This Delta deal was found by Cheapflights users on 4/23. 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 6/255:01 pm
SJC
- STL
1 stop5h 38m
Delta
Tue 6/308:00 am
STL
- SJC
2 stops11h 04m
Delta
Deal found 4/23![Delta logo]()
$491
This Delta deal was found by Cheapflights users on 4/25. 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.
Fri 6/265:01 pm
SJC
- STL
1 stop5h 42m
Delta
Mon 6/298:00 am
STL
- SJC
2 stops16h 52m
Delta
Deal found 4/25![Delta logo]()
$491
This Delta deal was found by Cheapflights users on 4/26. 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 7/1612:40 pm
SJC
- STL
1 stop9h 13m
Delta
Sat 7/188:00 am
STL
- SJC
1 stop6h 35m
Delta
Deal found 4/26![Delta logo]()
$497
Last-minute flights from San Jose to St. LouisDiscover last-minute flight deals from San Jose to St. Louis. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to St. Louis. Data last updated April 28, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/24. 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.
Sun 5/38:19 pm
SJC
- STL
1 stop22h 41m
Frontier
Sun 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Deal found 4/24![Frontier logo]()
$291
This Delta deal was found by Cheapflights users on 4/24. 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 5/1612:12 pm
SJC
- STL
1 stop9h 47m
Delta
Tue 5/195:15 pm
STL
- SJC
1 stop7h 40m
Delta
Deal found 4/24![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/1612:46 pm
SJC
- STL
2 stops8h 13m
American Airlines
Tue 5/195:20 am
STL
- SJC
1 stop6h 50m
American Airlines
Deal found 4/24![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 4/22. 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 5/181:13 pm
SJC
- STL
1 stop8h 08m
Delta
Mon 6/83:57 pm
STL
- SJC
1 stop9h 00m
Delta
Deal found 4/22![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 4/23. 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 5/206:20 am
SJC
- STL
1 stop8h 26m
Delta
Sun 5/247:00 am
STL
- SJC
2 stops12h 00m
Delta
Deal found 4/23![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 4/23. 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 5/202:20 pm
SJC
- STL
2 stops6h 55m
Southwest
Sun 5/249:00 am
STL
- SJC
2 stops9h 10m
Southwest
Deal found 4/23![Southwest logo]()
$470
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Sun 5/242:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Sun 5/319:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 4/27![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:57 pm
SJC
- STL
2 stops17h 58m
Frontier
Sat 8/12:52 pm
STL
- SJC
1 stop24h 25m
Frontier
Deal found 4/27![Frontier logo]()
$444
One-way flights from San Jose to St. LouisSearch for one-way flight options from San Jose to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from San Jose to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:57 pm
SJC
- STL
2 stops17h 58m
Frontier
Deal found 4/27![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 4/25. 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 6/112:12 pm
SJC
- STL
1 stop21h 54m
Frontier
Deal found 4/25![Frontier logo]()
$157
This Delta deal was found by Cheapflights users on 4/23. 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 5/201:13 pm
SJC
- STL
1 stop8h 08m
Delta
Deal found 4/23![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 4/23. 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 5/198:50 pm
SJC
- STL
2 stops11h 42m
Delta
Deal found 4/23![Delta logo]()
$161
This Delta deal was found by Cheapflights users on 4/22. 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 7/78:44 pm
SJC
- STL
2 stops11h 44m
Delta
Deal found 4/22![Delta logo]()
$183
This Delta deal was found by Cheapflights users on 4/23. 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 5/2312:12 pm
SJC
- STL
1 stop9h 47m
Delta
Deal found 4/23![Delta logo]()
$193
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/166:10 am
SJC
- STL
2 stops9h 11m
American Airlines
Deal found 4/23![American Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 4/23. 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 5/202:20 pm
SJC
- STL
2 stops6h 55m
Southwest
Deal found 4/23![Southwest logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:57 pm
SJC
- STL
2 stops28h 26m
Frontier
Deal found 4/23![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 4/25. 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 6/248:55 am
SJC
- STL
1 stop5h 25m
Southwest
Deal found 4/25![Southwest logo]()
$214
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (CheapOair) |
One-way from | $128 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $378 |
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 April 28, 2026.
Use the filters below to find and compare flights from San Jose to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Wed 5/20
6:20 am-4:46 pm
1 stop8h 26m
Lambert-St Louis
Sun 5/24
7:00 am-12:48 pm
1 stop7h 48m
$407
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 6/2
8:00 am-4:37 pm
1 stop6h 37m
Lambert-St Louis
Wed 6/3
5:33 pm-10:59 pm
1 stop7h 26m
$417
Quickest round-trip
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 8/27
6:15 am-1:40 pm
1 stop5h 25m
Lambert-St Louis
Sun 8/30
8:20 am-2:25 pm
1 stop8h 05m
$441
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Sun 6/28
5:01 pm-12:43 am
1 stop5h 42m
Lambert-St Louis
Tue 6/30
8:00 am-5:04 pm
2 stops11h 04m
$441
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Wed 6/3
2:20 pm-11:15 pm
2 stops6h 55m
Lambert-St Louis
Sat 6/6
10:15 am-5:55 pm
2 stops9h 40m
$448
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Wed 6/24
6:10 am-5:45 pm
2 stops9h 35m
Lambert-St Louis
Sat 6/27
4:45 pm-10:15 pm
1 stop7h 30m
$472
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 6/25
5:01 pm-12:39 am
1 stop5h 38m
Lambert-St Louis
Tue 6/30
8:00 am-5:04 pm
2 stops11h 04m
$491
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Fri 6/26
5:01 pm-12:43 am
1 stop5h 42m
Lambert-St Louis
Mon 6/29
8:00 am-10:52 pm
2 stops16h 52m
$491
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 7/16
12:40 pm-11:53 pm
1 stop9h 13m
Lambert-St Louis
Sat 7/18
8:00 am-12:35 pm
1 stop6h 35m
$497
Cheapest one-way
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Wed 5/20
6:20 am-4:46 pm
1 stop8h 26m
$159
Showing 1-10 of 21 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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.
SJC-STL
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?
The best time to book flights from San Jose, California to St. Louis is 55 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, September is the cheapest month in which you can book a flight from San Jose, California to St. Louis (average of $345). Flying from San Jose, California to St. Louis in March is currently the most expensive (average of $681). 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.
How much does it cost to fly round-trip from San Jose, California to St. Louis?
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 April 28, 2026.
Read through reviews of airlines operating flights from San Jose to St. Louis, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$443 | FlexibilityNo cancel fee | On-time63% |