$86+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
May 17 — May 241
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 17, 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 17, 2026.
This CheapOair deal was found by Cheapflights users on 4/12. 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 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Mon 5/182:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/12![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 4/14. 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 6/107:03 pm
STL
- SJC
1 stop20h 14m
Frontier
Mon 6/152:12 pm
SJC
- STL
1 stop26h 39m
Frontier
Deal found 4/14![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/14. 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 6/192:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Mon 6/222:12 pm
SJC
- STL
1 stop26h 39m
Frontier
Deal found 4/14![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/14![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Multiple Airlines
Mon 5/1812:57 pm
SJC
- STL
2 stops27h 09m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$285
This CheapOair deal was found by Cheapflights users on 4/14. 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
Thu 6/42:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Deal found 4/14![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 6/112:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Mon 6/152:12 pm
SJC
- STL
1 stop26h 39m
Frontier
Deal found 4/12![Frontier logo]()
$335
This CheapOair deal was found by Cheapflights users on 4/13. 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 4/13![Frontier logo]()
$337
This CheapOair deal was found by Cheapflights users on 4/14. 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 7/248:21 pm
STL
- SJC
1 stop18h 56m
Frontier
Sun 7/262:12 pm
SJC
- STL
1 stop27h 24m
Frontier
Deal found 4/14![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/98:08 pm
STL
- SJC
2 stops17h 51m
Frontier
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/13![Frontier logo]()
$353
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 17, 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 17, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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 6/22:27 pm
STL
- SJC
2 stops10h 07m
Delta
Tue 6/98:44 pm
SJC
- STL
2 stops9h 58m
Delta
Deal found 4/14![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 4/13. 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 5/65:40 pm
STL
- SJC
1 stop6h 15m
Southwest
Tue 5/1211:40 am
SJC
- STL
1 stop6h 30m
Southwest
Deal found 4/13![Southwest logo]()
$387
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:20 am
STL
- SJC
2 stops8h 46m
American Airlines
Tue 5/1212:46 pm
SJC
- STL
2 stops8h 13m
American Airlines
Deal found 4/13![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 4/16. 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 5/136:21 am
STL
- SJC
2 stops9h 50m
Delta
Tue 5/198:50 pm
SJC
- STL
2 stops11h 42m
Delta
Deal found 4/16![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 4/14. 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 5/158:25 am
STL
- SJC
1 stop8h 20m
Southwest
Tue 5/193:15 pm
SJC
- STL
1 stop6h 00m
Southwest
Deal found 4/14![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 4/15. 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 5/97:00 am
STL
- SJC
1 stop7h 48m
Delta
Sun 5/246:20 am
SJC
- STL
1 stop6h 59m
Delta
Deal found 4/15![Delta logo]()
$442
This Southwest deal was found by Cheapflights users on 4/12. 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 6/185:35 am
STL
- SJC
1 stop5h 50m
Southwest
Tue 6/231:15 pm
SJC
- STL
1 stop8h 30m
Southwest
Deal found 4/12![Southwest logo]()
$467
This Delta deal was found by Cheapflights users on 4/12. 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 6/96:00 am
STL
- SJC
1 stop7h 36m
Delta
Tue 6/1611:38 am
SJC
- STL
2 stops11h 01m
Delta
Deal found 4/12![Delta logo]()
$463
Last-minute flights from St. Louis to San JoseDiscover last-minute flight deals from St. Louis to San Jose. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Jose. Data last updated April 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/712:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Sat 5/2312:57 pm
SJC
- STL
2 stops28h 26m
Frontier
Deal found 4/13![Frontier logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/73:33 pm
STL
- SJC
2 stops23h 44m
Multiple Airlines
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/98:08 pm
STL
- SJC
2 stops17h 51m
Frontier
Mon 5/252:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/13![Frontier logo]()
$353
This CheapOair deal was found by Cheapflights users on 4/12. 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 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Frontier
Mon 5/182:12 pm
SJC
- STL
1 stop25h 54m
Frontier
Deal found 4/12![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/1012:36 pm
STL
- SJC
1 stop26h 41m
Multiple Airlines
Mon 5/1812:57 pm
SJC
- STL
2 stops27h 09m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$285
This CheapOair deal was found by Cheapflights users on 4/15. 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 5/135:33 pm
STL
- SJC
1 stop7h 26m
Alaska Airlines
Wed 5/207:06 am
SJC
- STL
2 stops14h 48m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$380
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/14![Frontier logo]()
$281
This CheapOair deal was found by Cheapflights users on 4/14. 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
Thu 6/42:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Deal found 4/14![Frontier logo]()
$317
This CheapOair deal was found by Cheapflights users on 4/13. 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 4/13![Frontier logo]()
$337
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 17, 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 17, 2026.
This CheapOair deal was found by Cheapflights users on 4/16. 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 5/229:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 4/16![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 4/13. 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 4/13![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/14![Frontier logo]()
$138
This Expedia deal was found by Cheapflights users on 4/15. 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.
Sat 5/306:30 pm
STL
- SJC
1 stop15h 06m
Frontier
Deal found 4/15![Frontier logo]()
$151
This Priceline deal was found by Cheapflights users on 4/12. 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.
Fri 5/112:07 pm
STL
- SJC
1 stop7h 37m
Frontier
Deal found 4/12![Frontier logo]()
$155
This CheapOair deal was found by Cheapflights users on 4/14. 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 5/319:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 4/14![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/294:59 pm
STL
- SJC
2 stops50h 45m
Frontier
Deal found 4/16![Frontier logo]()
$193
This Delta deal was found by Cheapflights users on 4/13. 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 5/66:45 pm
STL
- SJC
1 stop6h 57m
Delta
Deal found 4/13![Delta logo]()
$194
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 5/1912:27 pm
STL
- SJC
2 stops8h 09m
American Airlines
Deal found 4/14![American Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/165:20 am
STL
- SJC
1 stop6h 47m
American Airlines
Deal found 4/15![American Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 6/188:08 pm
STL
- SJC
2 stops25h 29m
Frontier
Deal found 4/13![Frontier logo]()
$213
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $86 (CheapOair) |
Popular in | February |
Cheapest in | November |
Average price | $447 |
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 17, 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
Tue 6/2
2:27 pm-10:34 pm
2 stops10h 07m
San Jose
Tue 6/9
8:44 pm-8:42 am
2 stops9h 58m
$385
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 5/13
6:21 am-2:11 pm
2 stops9h 50m
San Jose
Tue 5/19
8:50 pm-10:32 am
2 stops11h 42m
$385
Quickest round-trip
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 5/6
5:40 pm-9:55 pm
1 stop6h 15m
San Jose
Tue 5/12
11:40 am-8:10 pm
1 stop6h 30m
$387
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 5/6
5:20 am-12:06 pm
2 stops8h 46m
San Jose
Tue 5/12
12:46 pm-10:59 pm
2 stops8h 13m
$397
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Fri 5/15
8:25 am-2:45 pm
1 stop8h 20m
San Jose
Tue 5/19
3:15 pm-11:15 pm
1 stop6h 00m
$442
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 5/9
7:00 am-12:48 pm
1 stop7h 48m
San Jose
Sun 5/24
6:20 am-3:19 pm
1 stop6h 59m
$442
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 6/9
6:00 am-11:36 am
1 stop7h 36m
San Jose
Tue 6/16
11:38 am-12:39 am
2 stops11h 01m
$463
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Thu 6/18
5:35 am-9:25 am
1 stop5h 50m
San Jose
Tue 6/23
1:15 pm-11:45 pm
1 stop8h 30m
$467
Cheapest one-way
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sun 4/26
9:55 pm-5:44 pm
1 stop21h 49m
$138
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 5/23
4:00 pm-10:55 pm
1 stop8h 55m
$199
Showing 1-10 of 20 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
How far ahead should I book a flight from St. Louis to San Jose, California?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San Jose. Price data was last updated on April 10, 2026.
The best time to book flights from St. Louis to San Jose, California is 56 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 St. Louis to San Jose, California?
Currently, November is the cheapest month in which you can book a flight from St. Louis to San Jose, California (average of $368). Flying from St. Louis to San Jose, California in February is currently the most expensive (average of $793). 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 17, 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.
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
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 17, 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% |