$125+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
Sep 22 — Sep 291
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 August 23, 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 August 23, 2026.
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/2312:17 pm -
1 stop26h 26m
Thu 9/2410:47 pm -
1 stop10h 30m
Deal found 8/19![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/2412:27 pm -
1 stop26h 16m
Mon 9/281:38 pm -
1 stop19h 54m
Deal found 8/19![Frontier logo]()
$310
This Delta deal was found by Cheapflights users on 8/22. 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.
Sat 10/36:15 am -
2 stops9h 46m
Tue 10/69:48 am -
1 stop5h 56m
Deal found 8/22![Delta logo]()
$330
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/36:45 pm -
1 stop20h 37m
Mon 9/141:38 pm -
1 stop19h 54m
Deal found 8/19![Frontier logo]()
$332
This Expedia deal was found by Cheapflights users on 8/19. 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.
Wed 9/236:29 am -
2 stops13h 35m
Thu 9/2410:47 pm -
1 stop10h 30m
Deal found 8/19![Multiple Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/21. 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 9/511:13 am -
1 stop8h 21m
Wed 9/96:00 am -
1 stop5h 30m
Deal found 8/21![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 8/19. 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 9/306:15 am -
1 stop8h 12m
Tue 10/67:33 pm -
2 stops11h 20m
Deal found 8/19![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/19. 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 10/213:35 pm -
1 stop7h 19m
Mon 10/267:33 pm -
2 stops11h 20m
Deal found 8/19![Delta logo]()
$355
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sat 9/1912:17 pm -
1 stop26h 26m
Sun 9/2010:47 pm -
1 stop10h 30m
Deal found 8/21![Frontier logo]()
$360
This Delta deal was found by Cheapflights users on 8/18. 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 9/232:25 pm -
1 stop5h 59m
Mon 9/288:53 pm -
2 stops11h 38m
Deal found 8/18![Delta logo]()
$365
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 August 23, 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 August 23, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 9/306:15 am -
1 stop8h 12m
Tue 10/67:33 pm -
2 stops11h 20m
Deal found 8/19![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/56:08 pm -
1 stop16h 54m
Wed 9/97:02 am -
1 stop8h 08m
Deal found 8/18![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 8/21. 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 11/38:30 am -
1 stop7h 50m
Thu 11/52:55 pm -
1 stop7h 20m
Deal found 8/21![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 8/18. 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 9/232:25 pm -
1 stop5h 59m
Mon 9/288:53 pm -
2 stops11h 38m
Deal found 8/18![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 8/20. 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 10/195:50 pm -
1 stop8h 05m
Thu 10/228:25 am -
1 stop7h 15m
Deal found 8/20![Southwest logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:02 am -
1 stop8h 16m
Mon 11/21:26 pm -
1 stop8h 33m
Deal found 8/22![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 8/20. 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 12/143:20 pm -
1 stop7h 17m
Mon 1/117:15 am -
2 stops12h 26m
Deal found 8/20![Delta logo]()
$382
This Delta deal was found by Cheapflights users on 8/21. 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 12/207:30 am -
1 stop6h 58m
Fri 12/259:50 am -
1 stop7h 05m
Deal found 8/21![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 8/21. 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 12/143:20 pm -
1 stop7h 17m
Fri 12/259:50 am -
1 stop7h 05m
Deal found 8/21![Delta logo]()
$401
Last-minute flights from St. Louis to San JoseDiscover last-minute flight deals from St. Louis to San Jose. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Jose. Data last updated August 23, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/36:45 pm -
1 stop20h 37m
Mon 9/141:38 pm -
1 stop19h 54m
Deal found 8/19![Frontier logo]()
$332
This Delta deal was found by Cheapflights users on 8/21. 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 9/511:13 am -
1 stop8h 21m
Wed 9/96:00 am -
1 stop5h 30m
Deal found 8/21![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/56:08 pm -
1 stop16h 54m
Wed 9/97:02 am -
1 stop8h 08m
Deal found 8/18![Alaska Airlines logo]()
$373
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sat 9/1912:17 pm -
1 stop26h 26m
Sun 9/2010:47 pm -
1 stop10h 30m
Deal found 8/21![Frontier logo]()
$360
This Delta deal was found by Cheapflights users on 8/18. 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 9/216:55 pm -
1 stop6h 45m
Tue 9/291:23 pm -
1 stop7h 53m
Deal found 8/18![Delta logo]()
$374
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/2312:17 pm -
1 stop26h 26m
Thu 9/2410:47 pm -
1 stop10h 30m
Deal found 8/19![Frontier logo]()
$255
This Expedia deal was found by Cheapflights users on 8/19. 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.
Wed 9/236:29 am -
2 stops13h 35m
Thu 9/2410:47 pm -
1 stop10h 30m
Deal found 8/19![Multiple Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/18. 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 9/232:25 pm -
1 stop5h 59m
Mon 9/288:53 pm -
2 stops11h 38m
Deal found 8/18![Delta logo]()
$365
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/2412:27 pm -
1 stop26h 16m
Mon 9/281:38 pm -
1 stop19h 54m
Deal found 8/19![Frontier logo]()
$310
This Expedia deal was found by Cheapflights users on 8/19. 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 9/2412:27 pm -
1 stop11h 25m
Sun 9/277:02 am -
1 stop8h 08m
Deal found 8/19![Multiple Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/19. 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 9/306:15 am -
1 stop8h 12m
Tue 10/67:33 pm -
2 stops11h 20m
Deal found 8/19![Delta logo]()
$350
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 August 23, 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 August 23, 2026.
This CheapOair deal was found by Cheapflights users on 8/18. 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 10/712:17 pm -
1 stop27h 03m
Deal found 8/18![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 8/20. 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 10/112:17 pm -
1 stop11h 35m
Deal found 8/20![Frontier logo]()
$147
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sat 9/1912:17 pm -
1 stop26h 26m
Deal found 8/21![Frontier logo]()
$152
This Delta deal was found by Cheapflights users on 8/21. 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 10/136:21 am -
1 stop8h 18m
Deal found 8/21![Delta logo]()
$174
This Frontier deal was found by Cheapflights users on 8/19. 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 9/2412:27 pm -
1 stop11h 25m
Deal found 8/19![Frontier logo]()
$175
This Delta deal was found by Cheapflights users on 8/19. 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 10/36:15 am -
2 stops9h 46m
Deal found 8/19![Delta logo]()
$177
This American Airlines deal was found by Cheapflights users on 8/19. 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 12/125:00 am -
2 stops9h 12m
Deal found 8/19![American Airlines logo]()
$179
This Frontier deal was found by Cheapflights users on 8/21. 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.
Sun 9/2712:27 pm -
1 stop11h 25m
Deal found 8/21![Frontier logo]()
$182
This Jetabroad deal was found by Cheapflights users on 8/21. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 pm -
1 stop19h 22m
Deal found 8/21![Frontier logo]()
$192
This Delta deal was found by Cheapflights users on 8/21. 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 12/112:20 pm -
2 stops9h 55m
Deal found 8/21![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 8/19. 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 9/186:55 pm -
1 stop6h 45m
Deal found 8/19![Delta logo]()
$201
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 August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (CheapOair) |
One-way from | $125 (CheapOair) |
Popular in | February |
Cheapest in | January |
Average price | $467 |
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 7,457,451 searches. Data last updated August 23, 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 Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Wed 9/30
6:15 am-12:27 pm
1 stop8h 12m
San Jose
Tue 10/6
7:33 pm-8:53 am
2 stops11h 20m
$350
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Wed 9/23
2:25 pm-6:24 pm
1 stop5h 59m
San Jose
Mon 9/28
8:53 pm-10:31 am
2 stops11h 38m
$365
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Sat 9/5
6:08 pm-9:02 am
1 stop16h 54m
San Jose
Wed 9/9
7:02 am-5:10 pm
1 stop8h 08m
$373
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Tue 11/3
8:30 am-2:20 pm
1 stop7h 50m
San Jose
Thu 11/5
2:55 pm-12:15 am
1 stop7h 20m
$374
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Mon 12/14
3:20 pm-8:37 pm
1 stop7h 17m
San Jose
Mon 1/11
7:15 am-9:41 pm
2 stops12h 26m
$382
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Mon 10/19
5:50 pm-11:55 pm
1 stop8h 05m
San Jose
Thu 10/22
8:25 am-5:40 pm
1 stop7h 15m
$401
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Thu 10/29
7:02 am-1:18 pm
1 stop8h 16m
San Jose
Mon 11/2
1:26 pm-11:59 pm
1 stop8h 33m
$401
Quickest round-trip
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Sun 12/20
7:30 am-12:28 pm
1 stop6h 58m
San Jose
Fri 12/25
9:50 am-6:55 pm
1 stop7h 05m
$401
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Mon 12/14
3:20 pm-8:37 pm
1 stop7h 17m
San Jose
Fri 12/25
9:50 am-6:55 pm
1 stop7h 05m
$401
Cheapest one-way
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Tue 10/13
6:21 am-12:39 pm
1 stop8h 18m
$174
Showing 1-10 of 21 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 August.
| 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, January is the cheapest month in which you can book a flight from St. Louis to San Jose, California (average of $369). 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?
Airfare is below average for this route at the moment.
St. Louis to San Jose, California flights typically cost between $435 and $548 in September.The cheapest round-trip price found within the last 5 days was $255 on Frontier (Sep 23-Sep 24).
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 August 23, 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.
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
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St. Louis and San Jose flights
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Top 4 airlines flying from St. Louis to San Jose
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$302 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$494 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$339 | Average$532 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$536 | FlexibilityNo cancel fee | On-time71% |