$167+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
Jun 24 — Jul 11
Round-trip
1 adult, Economy
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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 May 25, 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 May 25, 2026.
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:11 pm
STL
- SJC
1 stop27h 06m
Frontier
Sun 7/52:12 pm
SJC
- STL
1 stop26h 03m
Frontier
Deal found 5/21![Frontier logo]()
$362
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:03 pm
STL
- SJC
1 stop20h 14m
Frontier
Fri 7/102:12 pm
SJC
- STL
1 stop26h 03m
Frontier
Deal found 5/21![Frontier logo]()
$363
This Mytrip deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:10 pm
STL
- SJC
1 stop20h 07m
Frontier
Thu 7/302:12 pm
SJC
- STL
1 stop26h 03m
Frontier
Deal found 5/23![Frontier logo]()
$379
This Gotogate deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:10 pm
STL
- SJC
1 stop20h 07m
Frontier
Sat 8/82:12 pm
SJC
- STL
1 stop26h 03m
Frontier
Deal found 5/23![Frontier logo]()
$380
This Gotogate deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
STL
- SJC
1 stop20h 07m
Frontier
Sun 7/192:12 pm
SJC
- STL
1 stop26h 03m
Frontier
Deal found 5/23![Frontier logo]()
$382
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:40 pm
STL
- SJC
1 stop8h 13m
Alaska Airlines
Tue 10/136:31 am
SJC
- STL
2 stops15h 28m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$387
This CheapOair deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am
STL
- SJC
1 stop9h 18m
Alaska Airlines
Sat 10/108:00 am
SJC
- STL
1 stop13h 59m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$397
This Booking.com deal was found by Cheapflights users on 5/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Mon 6/82:12 pm
SJC
- STL
1 stop24h 53m
Frontier
Deal found 5/22![Frontier logo]()
$403
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.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
Fri 6/122:12 pm
SJC
- STL
1 stop21h 54m
Frontier
Deal found 5/21![Frontier logo]()
$434
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 May 25, 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 May 25, 2026.
This Southwest deal was found by Cheapflights users on 5/21. 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.
Wed 7/156:40 pm
STL
- SJC
1 stop5h 40m
Southwest
Thu 7/162:35 pm
SJC
- STL
1 stop7h 20m
Southwest
Deal found 5/21![Southwest logo]()
$495
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:32 am
STL
- SJC
2 stops8h 27m
American Airlines
Sun 7/266:01 am
SJC
- STL
1 stop8h 27m
American Airlines
Deal found 5/24![American Airlines logo]()
$548
This CheapOair deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:37 pm
STL
- SJC
1 stop7h 44m
Alaska Airlines
Sun 8/237:49 pm
SJC
- STL
2 stops19h 21m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$583
This Southwest deal was found by Cheapflights users on 5/21. 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.
Mon 8/35:45 am
STL
- SJC
1 stop5h 55m
Southwest
Sat 8/86:55 am
SJC
- STL
1 stop7h 55m
Southwest
Deal found 5/21![Southwest logo]()
$513
This American Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:29 am
STL
- SJC
1 stop7h 26m
American Airlines
Sun 6/286:01 am
SJC
- STL
1 stop8h 32m
American Airlines
Deal found 5/23![American Airlines logo]()
$582
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:37 pm
STL
- SJC
1 stop7h 44m
Alaska Airlines
Sun 7/262:19 pm
SJC
- STL
1 stop24h 18m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$586
This Southwest deal was found by Cheapflights users on 5/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:45 pm
STL
- SJC
1 stop5h 40m
Southwest
Sun 6/213:35 pm
SJC
- STL
1 stop7h 20m
Southwest
Deal found 5/22![Southwest logo]()
$576
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:29 pm
STL
- SJC
2 stops10h 52m
Alaska Airlines
Sat 7/117:13 am
SJC
- STL
2 stops9h 20m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$605
This Southwest deal was found by Cheapflights users on 5/20. 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.
Sun 7/265:35 pm
STL
- SJC
1 stop7h 25m
Southwest
Thu 7/303:35 pm
SJC
- STL
2 stops8h 15m
Southwest
Deal found 5/20![Southwest logo]()
$578
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 8/1210:16 am
STL
- SJC
2 stops10h 55m
Alaska Airlines
Wed 8/129:38 pm
SJC
- STL
2 stops17h 03m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$605
Last-minute flights from St. Louis to San JoseDiscover last-minute flight deals from St. Louis to San Jose. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Jose. Data last updated May 25, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com 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
Sat 5/232:12 pm
SJC
- STL
1 stop27h 59m
Frontier
Deal found 5/21![Frontier logo]()
$504
This CheapOair deal was found by Cheapflights users on 5/21. 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.
Wed 5/275:33 pm
STL
- SJC
1 stop7h 26m
Alaska Airlines
Fri 5/298:15 pm
SJC
- STL
1 stop17h 01m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$497
This Booking.com deal was found by Cheapflights users on 5/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Mon 6/82:12 pm
SJC
- STL
1 stop24h 53m
Frontier
Deal found 5/22![Frontier logo]()
$403
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.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
Fri 6/122:12 pm
SJC
- STL
1 stop21h 54m
Frontier
Deal found 5/21![Frontier logo]()
$434
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/182:56 pm
STL
- SJC
1 stop24h 21m
Frontier
Mon 6/222:12 pm
SJC
- STL
1 stop26h 39m
Frontier
Deal found 5/21![Frontier logo]()
$474
This Delta deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:28 pm
STL
- SJC
1 stop6h 02m
Delta
Tue 6/235:01 pm
SJC
- STL
1 stop5h 42m
Delta
Deal found 5/24![Delta logo]()
$485
This American Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:37 pm
STL
- SJC
1 stop5h 56m
American Airlines
Tue 6/232:35 pm
SJC
- STL
1 stop7h 24m
American Airlines
Deal found 5/23![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:29 am
STL
- SJC
1 stop7h 26m
American Airlines
Tue 6/302:35 pm
SJC
- STL
1 stop7h 24m
American Airlines
Deal found 5/24![American Airlines logo]()
$457
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 May 25, 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 May 25, 2026.
This Booking.com deal was found by Cheapflights users on 5/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:03 pm
STL
- SJC
1 stop20h 14m
Frontier
Deal found 5/22![Frontier logo]()
$167
This Booking.com deal was found by Cheapflights users on 5/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 pm
STL
- SJC
1 stop20h 07m
Frontier
Deal found 5/22![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
STL
- SJC
2 stops25h 20m
Frontier
Deal found 5/22![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:08 pm
STL
- SJC
2 stops17h 54m
Frontier
Deal found 5/21![Frontier logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 6/175:37 pm
STL
- SJC
1 stop7h 44m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:10 pm
STL
- SJC
2 stops26h 18m
Frontier
Deal found 5/22![Frontier logo]()
$222
This Southwest deal was found by Cheapflights users on 5/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:50 pm
STL
- SJC
2 stops10h 00m
Southwest
Deal found 5/22![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:21 am
STL
- SJC
2 stops12h 51m
Delta
Deal found 5/24![Delta logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:37 pm
STL
- SJC
1 stop7h 44m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:21 am
STL
- SJC
1 stop7h 44m
Delta
Deal found 5/22![Delta logo]()
$236
This Trip.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:06 pm
STL
- SJC
1 stop18h 11m
Frontier
Deal found 5/23![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 5/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:20 pm
STL
- SJC
1 stop6h 20m
Southwest
Deal found 5/22![Southwest logo]()
$249
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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $362 (Booking.com) |
One-way from | $167 (Booking.com) |
Popular in | February |
Cheapest in | November |
Average price | $520 |
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 May 25, 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
Quickest round-trip
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 7/15
6:40 pm-10:20 pm
1 stop5h 40m
San Jose
Thu 7/16
2:35 pm-11:55 pm
1 stop7h 20m
$495
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Mon 8/3
5:45 am-9:40 am
1 stop5h 55m
San Jose
Sat 8/8
6:55 am-4:50 pm
1 stop7h 55m
$513
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Thu 7/9
5:32 am-11:59 am
2 stops8h 27m
San Jose
Sun 7/26
6:01 am-4:28 pm
1 stop8h 27m
$548
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Thu 6/18
7:45 pm-11:25 pm
1 stop5h 40m
San Jose
Sun 6/21
3:35 pm-12:55 am
1 stop7h 20m
$576
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sun 7/26
5:35 pm-11:00 pm
1 stop7h 25m
San Jose
Thu 7/30
3:35 pm-1:50 am
2 stops8h 15m
$578
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Thu 6/25
5:29 am-10:55 am
1 stop7h 26m
San Jose
Sun 6/28
6:01 am-4:33 pm
1 stop8h 32m
$582
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Mon 7/20
5:37 pm-11:21 pm
1 stop7h 44m
San Jose
Sun 8/23
7:49 pm-5:10 pm
2 stops19h 21m
$583
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Thu 7/9
5:37 pm-11:21 pm
1 stop7h 44m
San Jose
Sun 7/26
2:19 pm-4:37 pm
1 stop24h 18m
$586
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 7/8
2:29 pm-11:21 pm
2 stops10h 52m
San Jose
Sat 7/11
7:13 am-6:33 pm
2 stops9h 20m
$605
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 8/12
10:16 am-7:11 pm
2 stops10h 55m
San Jose
Wed 8/12
9:38 pm-4:41 pm
2 stops17h 03m
$605
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 May.
| 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, 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 May 25, 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
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from St. Louis to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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St. Louis and San Jose flights
Browse other St. Louis and San Jose flight options. Last updated on May 25, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
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Other flights to San Jose
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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 May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$302 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$317 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$454 | FlexibilityNo cancel fee | On-time63% |