$92+ Cheap flights from St. Louis to San Jose, CA (STL - SJC)
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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
May 11 — May 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to San Jose 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 St. Louis to San Jose
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Cheapest flights from St. Louis to San JoseExplore the most affordable flight options available from St. Louis to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
Explore the most affordable flight options available from St. Louis to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Wed 5/66:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Mon 5/112:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/6![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Wed 5/136:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Mon 5/182:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/6![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:51 pm
STL
- SJC
1 stop14h 45m
Frontier
Sun 5/318:21 am
SJC
- STL
1 stop9h 50m
Frontier
Deal found 4/8![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- SJC
1 stop21h 49m
Multiple Airlines
Mon 5/46:39 pm
SJC
- STL
2 stops21h 27m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$286
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Thu 4/309:55 pm
STL
- SJC
1 stop21h 49m
Frontier
Sun 5/38:19 pm
SJC
- STL
1 stop22h 41m
Frontier
Deal found 4/6![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/66:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Sun 5/102:12 pm
SJC
- STL
2 stops27h 11m
Frontier
Deal found 4/6![Frontier logo]()
$315
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Sun 5/102:12 pm
SJC
- STL
1 stop28h 11m
Frontier
Deal found 4/10![Frontier logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SJC
1 stop20h 14m
Frontier
Mon 6/152:12 pm
SJC
- STL
1 stop26h 39m
Frontier
Deal found 4/10![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Mon 6/812:57 pm
SJC
- STL
2 stops27h 27m
Frontier
Deal found 4/9![Frontier logo]()
$341
This CheapOair deal was found by Cheapflights users on 4/9. 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 5/219:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/9![Frontier logo]()
$346
Best flights from St. Louis to San JoseDiscover carefully curated flight deals from St. Louis to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
Discover carefully curated flight deals from St. Louis to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/6. 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.
Wed 5/61:45 pm
STL
- SJC
1 stop6h 30m
Southwest
Wed 5/139:05 am
SJC
- STL
1 stop6h 35m
Southwest
Deal found 4/6![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:27 pm
STL
- SJC
2 stops10h 09m
Delta
Tue 5/198:50 pm
SJC
- STL
2 stops11h 42m
Delta
Deal found 4/9![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/135:33 pm
STL
- SJC
1 stop7h 26m
Alaska Airlines
Sun 5/248:00 am
SJC
- STL
1 stop6h 37m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:27 pm
STL
- SJC
1 stop7h 35m
Delta
Tue 6/98:44 pm
SJC
- STL
2 stops9h 58m
Delta
Deal found 4/10![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 4/7. 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.
Wed 6/33:55 pm
STL
- SJC
2 stops9h 05m
Southwest
Wed 6/106:35 am
SJC
- STL
1 stop6h 45m
Southwest
Deal found 4/7![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 4/6. 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.
Sat 5/164:00 pm
STL
- SJC
1 stop8h 55m
Delta
Tue 5/264:59 pm
SJC
- STL
1 stop5h 31m
Delta
Deal found 4/6![Delta logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:46 pm
STL
- SJC
2 stops18h 15m
Alaska Airlines
Wed 5/131:14 pm
SJC
- STL
1 stop8h 40m
Alaska Airlines
Deal found 4/10![Alaska Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 4/6. 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 6/610:15 am
STL
- SJC
2 stops9h 40m
Southwest
Mon 6/83:35 pm
SJC
- STL
2 stops8h 15m
Southwest
Deal found 4/6![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 4/6. 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.
Tue 5/127:59 pm
STL
- SJC
1 stop5h 42m
Delta
Mon 5/256:00 am
SJC
- STL
1 stop5h 32m
Delta
Deal found 4/6![Delta logo]()
$426
This Southwest deal was found by Cheapflights users on 4/6. 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 6/236:55 pm
STL
- SJC
1 stop6h 05m
Southwest
Tue 8/48:55 am
SJC
- STL
1 stop9h 00m
Southwest
Deal found 4/6![Southwest logo]()
$467
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:27 pm
STL
- SJC
2 stops10h 09m
Delta
Fri 5/158:50 pm
SJC
- STL
2 stops11h 42m
Delta
Deal found 4/10![Delta logo]()
$465
Last-minute flights from St. Louis to San JoseDiscover last-minute flight deals from St. Louis to San Jose. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Jose. Data last updated April 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- SJC
1 stop21h 49m
Multiple Airlines
Mon 5/46:39 pm
SJC
- STL
2 stops21h 27m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$286
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Thu 4/309:55 pm
STL
- SJC
1 stop21h 49m
Frontier
Sun 5/38:19 pm
SJC
- STL
1 stop22h 41m
Frontier
Deal found 4/6![Frontier logo]()
$292
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Wed 5/66:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Mon 5/112:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/6![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/66:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Sun 5/102:12 pm
SJC
- STL
2 stops27h 11m
Frontier
Deal found 4/6![Frontier logo]()
$315
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Sun 5/102:12 pm
SJC
- STL
1 stop28h 11m
Frontier
Deal found 4/10![Frontier logo]()
$331
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Wed 5/136:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Mon 5/182:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/6![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/9. 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 5/219:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/9![Frontier logo]()
$346
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:51 pm
STL
- SJC
1 stop14h 45m
Frontier
Sun 5/318:21 am
SJC
- STL
1 stop9h 50m
Frontier
Deal found 4/8![Frontier logo]()
$261
One-way flights from St. Louis to San JoseSearch for one-way flight options from St. Louis to San Jose. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
Search for one-way flight options from St. Louis to San Jose. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This CheapOair deal was found by Cheapflights users on 4/7. 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.
Thu 5/712:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Deal found 4/7![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 4/6. 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.
Wed 5/136:51 pm
STL
- SJC
1 stop20h 26m
Frontier
Deal found 4/6![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:55 pm
STL
- SJC
1 stop21h 49m
Frontier
Deal found 4/8![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:19 pm
STL
- SJC
2 stops45h 40m
Frontier
Deal found 4/10![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:08 pm
STL
- SJC
2 stops17h 51m
Frontier
Deal found 4/7![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 pm
STL
- SJC
2 stops23h 32m
Frontier
Deal found 4/9![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 4/6. 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 5/121:45 pm
STL
- SJC
1 stop6h 30m
Southwest
Deal found 4/6![Southwest logo]()
$189
This Trip.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/169:55 pm
STL
- SJC
1 stop21h 49m
Frontier
Deal found 4/8![Frontier logo]()
$191
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/95:20 am
STL
- SJC
1 stop6h 47m
American Airlines
Deal found 4/6![American Airlines logo]()
$194
Find flight deals from St. Louis to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San Jose (SJC). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (CheapOair) |
One-way from | $92 (CheapOair) |
Popular in | February |
Cheapest in | November |
Average price | $413 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to San Jose 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 11, 2026.
Use the filters below to find and compare flights from St. Louis to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 5/6
1:45 pm-6:15 pm
1 stop6h 30m
San Jose
Wed 5/13
9:05 am-5:40 pm
1 stop6h 35m
$382
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 5/12
2:27 pm-10:36 pm
2 stops10h 09m
San Jose
Tue 5/19
8:50 pm-10:32 am
2 stops11h 42m
$385
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 6/2
1:27 pm-7:02 pm
1 stop7h 35m
San Jose
Tue 6/9
8:44 pm-8:42 am
2 stops9h 58m
$391
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 6/3
3:55 pm-11:00 pm
2 stops9h 05m
San Jose
Wed 6/10
6:35 am-3:20 pm
1 stop6h 45m
$418
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 5/16
4:00 pm-10:55 pm
1 stop8h 55m
San Jose
Tue 5/26
4:59 pm-12:30 am
1 stop5h 31m
$418
Quickest round-trip
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 5/12
7:59 pm-11:41 pm
1 stop5h 42m
San Jose
Mon 5/25
6:00 am-1:32 pm
1 stop5h 32m
$426
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 6/6
10:15 am-5:55 pm
2 stops9h 40m
San Jose
Mon 6/8
3:35 pm-1:50 am
2 stops8h 15m
$441
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 5/13
5:33 pm-10:59 pm
1 stop7h 26m
San Jose
Sun 5/24
8:00 am-4:37 pm
1 stop6h 37m
$442
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Fri 5/8
2:27 pm-10:36 pm
2 stops10h 09m
San Jose
Fri 5/15
8:50 pm-10:32 am
2 stops11h 42m
$465
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 5/5
4:46 pm-9:01 am
2 stops18h 15m
San Jose
Wed 5/13
1:14 pm-11:54 pm
1 stop8h 40m
$466
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from St. Louis to San Jose
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 St. Louis to San Jose in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-San Jose, California 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 St. Louis-San Jose, California 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 St. Louis to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from St. Louis with our price prediction graph.
STL-SJC
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 St. Louis to San Jose
What is the cheapest month to book a flight from St. Louis to San Jose, California?
Currently, August is the cheapest month in which you can book a flight from St. Louis to San Jose, California (average of $122). Flying from St. Louis to San Jose, California in March is currently the most expensive (average of $283). 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 St. Louis to San Jose, California?
Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated April 11, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to San Jose have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
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Top 4 airlines flying from St. Louis to San Jose
Discover the top 4 airlines that operate flights from St. Louis to San Jose. 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 April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$180 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$281 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$290 | Average$360 | FlexibilityNo cancel fee | On-time69% |