$125+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — STL
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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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
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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 May 10, 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 May 10, 2026.
This Frontier deal was found by Cheapflights users on 5/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:21 am
SJC
- STL
1 stop10h 05m
Frontier
Wed 6/36:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Deal found 5/7![Frontier logo]()
$232
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Sun 6/72:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Sun 8/22:52 pm
STL
- SJC
1 stop24h 25m
Frontier
Deal found 5/8![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Fri 5/299:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 5/6![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 5/9. 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.
Mon 6/12:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Thu 6/49:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 5/9![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:12 pm
SJC
- STL
1 stop25h 22m
Frontier
Sun 6/142:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Deal found 5/5![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 5/6. 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 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 5/6![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 5/9. 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 6/252:12 pm
SJC
- STL
1 stop21h 54m
Frontier
Sun 6/282:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Deal found 5/9![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:24 pm
SJC
- STL
1 stop19h 27m
Frontier
Thu 9/2412:46 pm
STL
- SJC
1 stop26h 43m
Frontier
Deal found 5/6![Frontier logo]()
$365
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:21 am
SJC
- STL
1 stop10h 05m
Multiple Airlines
Tue 6/28:36 am
STL
- SJC
1 stop7h 06m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$373
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:12 pm
SJC
- STL
1 stop28h 11m
Frontier
Sun 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Deal found 5/5![Frontier logo]()
$380
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 May 10, 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 May 10, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:00 pm
SJC
- STL
1 stop8h 18m
Delta
Tue 6/92:28 pm
STL
- SJC
1 stop6h 02m
Delta
Deal found 5/5![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 5/7. 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.
Thu 5/281:00 pm
SJC
- STL
2 stops7h 40m
Southwest
Wed 6/35:40 pm
STL
- SJC
2 stops7h 20m
Southwest
Deal found 5/7![Southwest logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 6/27:06 am
SJC
- STL
2 stops14h 48m
Alaska Airlines
Sat 6/135:37 pm
STL
- SJC
1 stop7h 44m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 5/7. 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.
Thu 9/33:15 pm
SJC
- STL
1 stop5h 55m
Southwest
Mon 9/75:15 am
STL
- SJC
1 stop6h 45m
Southwest
Deal found 5/7![Southwest logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:22 am
SJC
- STL
2 stops11h 32m
Alaska Airlines
Mon 6/87:41 pm
STL
- SJC
1 stop26h 19m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$473
This Southwest deal was found by Cheapflights users on 5/9. 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 7/77:45 am
SJC
- STL
2 stops7h 55m
Southwest
Tue 7/146:10 am
STL
- SJC
2 stops7h 15m
Southwest
Deal found 5/9![Southwest logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 10/276:15 am
SJC
- STL
1 stop7h 29m
Alaska Airlines
Mon 11/27:00 am
STL
- SJC
2 stops14h 08m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 5/6. 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.
Mon 9/2111:00 pm
SJC
- STL
1 stop8h 35m
Southwest
Thu 9/243:45 pm
STL
- SJC
2 stops7h 10m
Southwest
Deal found 5/6![Southwest logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 10/271:29 pm
SJC
- STL
1 stop8h 30m
Alaska Airlines
Sun 11/17:00 am
STL
- SJC
1 stop8h 16m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 5/6. 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.
Fri 7/39:55 am
SJC
- STL
2 stops7h 15m
Southwest
Wed 7/86:10 am
STL
- SJC
2 stops7h 15m
Southwest
Deal found 5/6![Southwest logo]()
$487
Last-minute flights from San Jose to St. LouisDiscover last-minute flight deals from San Jose to St. Louis. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to St. Louis. Data last updated May 10, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:12 pm
SJC
- STL
1 stop28h 11m
Frontier
Sun 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Deal found 5/5![Frontier logo]()
$380
This CheapOair deal was found by Cheapflights users on 5/6. 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 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 5/6![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Fri 5/299:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 5/6![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:21 am
SJC
- STL
1 stop10h 05m
Frontier
Wed 6/36:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Deal found 5/7![Frontier logo]()
$232
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:21 am
SJC
- STL
1 stop10h 05m
Multiple Airlines
Tue 6/28:36 am
STL
- SJC
1 stop7h 06m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$373
This CheapOair deal was found by Cheapflights users on 5/9. 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.
Mon 6/12:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Thu 6/49:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 5/9![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:12 pm
SJC
- STL
1 stop25h 22m
Frontier
Sun 6/142:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Deal found 5/5![Frontier logo]()
$280
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Sun 6/72:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Sun 8/22:52 pm
STL
- SJC
1 stop24h 25m
Frontier
Deal found 5/8![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 5/9. 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 6/252:12 pm
SJC
- STL
1 stop21h 54m
Frontier
Sun 6/282:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Deal found 5/9![Frontier logo]()
$300
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 May 10, 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 May 10, 2026.
This Priceline deal was found by Cheapflights users on 5/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:21 am
SJC
- STL
1 stop10h 05m
Frontier
Deal found 5/5![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair 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
Deal found 5/6![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/262:12 pm
SJC
- STL
1 stop21h 55m
Frontier
Deal found 5/7![Frontier logo]()
$131
This Booking.com deal was found by Cheapflights users on 5/8. 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 6/72:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Deal found 5/8![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/252:12 pm
SJC
- STL
2 stops16h 40m
Frontier
Deal found 5/5![Frontier logo]()
$174
This Trip.com deal was found by Cheapflights users on 5/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/182:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 5/10![Frontier logo]()
$175
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:57 pm
SJC
- STL
2 stops28h 26m
Frontier
Deal found 5/8![Frontier logo]()
$184
This Southwest deal was found by Cheapflights users on 5/6. 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.
Tue 6/98:55 am
SJC
- STL
1 stop5h 25m
Southwest
Deal found 5/6![Southwest logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:21 am
SJC
- STL
2 stops22h 34m
Frontier
Deal found 5/5![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/112:12 pm
SJC
- STL
2 stops25h 25m
Frontier
Deal found 5/6![Frontier logo]()
$197
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:59 pm
SJC
- STL
1 stop5h 31m
Delta
Deal found 5/6![Delta logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:12 pm
SJC
- STL
2 stops22h 37m
Frontier
Deal found 5/6![Frontier logo]()
$201
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (Frontier) |
One-way from | $125 (Priceline) |
Popular in | March |
Cheapest in | September |
Average price | $610 |
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 May 10, 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
Tue 6/2
10:00 pm-8:18 am
1 stop8h 18m
Lambert-St Louis
Tue 6/9
2:28 pm-6:30 pm
1 stop6h 02m
$397
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 5/28
1:00 pm-10:40 pm
2 stops7h 40m
Lambert-St Louis
Wed 6/3
5:40 pm-11:00 pm
2 stops7h 20m
$441
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 6/2
7:06 am-11:54 pm
2 stops14h 48m
Lambert-St Louis
Sat 6/13
5:37 pm-11:21 pm
1 stop7h 44m
$445
Quickest round-trip
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Thu 9/3
3:15 pm-11:10 pm
1 stop5h 55m
Lambert-St Louis
Mon 9/7
5:15 am-10:00 am
1 stop6h 45m
$465
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 7/7
7:45 am-5:40 pm
2 stops7h 55m
Lambert-St Louis
Tue 7/14
6:10 am-11:25 am
2 stops7h 15m
$467
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Mon 9/21
11:00 pm-9:35 am
1 stop8h 35m
Lambert-St Louis
Thu 9/24
3:45 pm-8:55 pm
2 stops7h 10m
$470
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 6/2
10:22 am-11:54 pm
2 stops11h 32m
Lambert-St Louis
Mon 6/8
7:41 pm-8:00 pm
1 stop26h 19m
$473
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 10/27
6:15 am-3:44 pm
1 stop7h 29m
Lambert-St Louis
Mon 11/2
7:00 am-7:08 pm
2 stops14h 08m
$475
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Tue 10/27
1:29 pm-11:59 pm
1 stop8h 30m
Lambert-St Louis
Sun 11/1
7:00 am-1:16 pm
1 stop8h 16m
$477
San JoseSt. Louis
SJC - STL
SJCSTL
San Jose
Fri 7/3
9:55 am-7:10 pm
2 stops7h 15m
Lambert-St Louis
Wed 7/8
6:10 am-11:25 am
2 stops7h 15m
$487
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 May.
| 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 | |
| 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
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 May 10, 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.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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San Jose and St. Louis flights
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Top 3 airlines flying from San Jose to St. Louis
Discover the top 3 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 May 10, 2026.
| 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$332 | Average$448 | FlexibilityNo cancel fee | On-time63% |