$140+ Cheap flights from St. Louis to San Jose, CA (STL - SJC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
Dec 5 — Dec 121
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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One-way
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 November 5, 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 November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/97:54 pm -
2 stops19h 51m
Wed 1/69:59 pm -
1 stop21h 38m
Deal found 11/2![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/102:27 pm -
1 stop26h 36m
Thu 1/76:27 pm -
2 stops38h 03m
Deal found 11/2![Frontier logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/126:04 am -
1 stop10h 23m
Tue 1/122:38 pm -
2 stops22h 30m
Deal found 11/1![Alaska Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/225:37 pm -
1 stop25h 27m
Wed 12/303:25 pm -
2 stops23h 17m
Deal found 11/2![Frontier logo]()
$333
This Delta deal was found by Cheapflights users on 11/1. 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 12/126:03 am -
2 stops13h 06m
Tue 1/127:00 am -
2 stops12h 42m
Deal found 11/1![Delta logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/225:37 pm -
1 stop25h 27m
Thu 12/315:36 pm -
2 stops15h 17m
Deal found 11/2![Frontier logo]()
$351
This Delta deal was found by Cheapflights users on 11/2. 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 12/126:03 am -
2 stops9h 59m
Wed 1/66:30 am -
1 stop8h 04m
Deal found 11/2![Delta logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/106:20 pm -
2 stops22h 43m
Wed 1/69:59 pm -
1 stop21h 38m
Deal found 11/2![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/102:27 pm -
1 stop26h 36m
Mon 1/43:25 pm -
2 stops41h 05m
Deal found 11/2![Frontier logo]()
$362
This Delta deal was found by Cheapflights users on 11/2. 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 12/122:33 pm -
1 stop9h 40m
Wed 12/306:20 am -
1 stop8h 16m
Deal found 11/2![Delta logo]()
$367
This Travelocity deal was found by Cheapflights users on 11/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:10 am -
2 stops13h 38m
Tue 1/55:15 pm -
2 stops19h 53m
Deal found 11/2![Alaska Airlines logo]()
$371
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 November 5, 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 November 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/126:04 am -
1 stop10h 23m
Tue 1/122:38 pm -
2 stops22h 30m
Deal found 11/1![Alaska Airlines logo]()
$327
This Travelocity deal was found by Cheapflights users on 10/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/212:46 pm -
1 stop26h 46m
Wed 1/62:58 pm -
2 stops21h 58m
Deal found 10/31![Multiple Airlines logo]()
$349
This Trip.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/212:46 pm -
1 stop26h 46m
Wed 1/69:59 pm -
1 stop21h 38m
Deal found 10/31![Frontier logo]()
$363
This Delta deal was found by Cheapflights users on 11/2. 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 12/233:25 pm -
1 stop7h 14m
Thu 12/316:20 am -
1 stop6h 24m
Deal found 11/2![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 11/3. 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 3/55:15 am -
1 stop7h 00m
Tue 3/912:00 pm -
1 stop6h 20m
Deal found 11/3![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 11/1. 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 12/213:25 pm -
1 stop7h 14m
Tue 12/295:55 am -
1 stop5h 25m
Deal found 11/1![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 11/1. 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 12/22:33 pm -
1 stop9h 40m
Sun 12/61:53 pm -
1 stop8h 53m
Deal found 11/1![Delta logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/56:04 am -
1 stop8h 03m
Wed 12/911:22 am -
1 stop7h 18m
Deal found 11/4![Alaska Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 11/1. 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 12/215:13 pm -
1 stop7h 46m
Mon 12/286:30 am -
1 stop7h 58m
Deal found 11/1![Delta logo]()
$411
Last-minute flights from St. Louis to San JoseDiscover last-minute flight deals from St. Louis to San Jose. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Jose. Data last updated November 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/97:54 pm -
2 stops19h 51m
Wed 1/69:59 pm -
1 stop21h 38m
Deal found 11/2![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/102:27 pm -
1 stop26h 36m
Thu 1/76:27 pm -
2 stops38h 03m
Deal found 11/2![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/106:20 pm -
2 stops22h 43m
Wed 1/69:59 pm -
1 stop21h 38m
Deal found 11/2![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/102:27 pm -
1 stop26h 36m
Mon 1/43:25 pm -
2 stops41h 05m
Deal found 11/2![Frontier logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/126:04 am -
1 stop10h 23m
Tue 1/122:38 pm -
2 stops22h 30m
Deal found 11/1![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 11/1. 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 12/126:03 am -
2 stops13h 06m
Tue 1/127:00 am -
2 stops12h 42m
Deal found 11/1![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 11/2. 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 12/126:03 am -
2 stops9h 59m
Wed 1/66:30 am -
1 stop8h 04m
Deal found 11/2![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 11/2. 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 12/122:33 pm -
1 stop9h 40m
Wed 12/306:20 am -
1 stop8h 16m
Deal found 11/2![Delta logo]()
$367
This Travelocity deal was found by Cheapflights users on 11/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:10 am -
2 stops13h 38m
Tue 1/55:15 pm -
2 stops19h 53m
Deal found 11/2![Alaska Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/225:37 pm -
1 stop25h 27m
Wed 12/303:25 pm -
2 stops23h 17m
Deal found 11/2![Frontier logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/225:37 pm -
1 stop25h 27m
Thu 12/315:36 pm -
2 stops15h 17m
Deal found 11/2![Frontier logo]()
$351
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 November 5, 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 November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 1/46:21 pm -
2 stops52h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:54 pm -
2 stops19h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 12/216:21 pm -
2 stops48h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$173
This Delta deal was found by Cheapflights users on 11/4. 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 2/246:29 am -
2 stops9h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 11/4. 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 1/276:10 am -
2 stops9h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:55 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$189
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Sun 11/225:15 pm -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$199
This Delta deal was found by Cheapflights users on 11/3. 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 12/217:46 pm -
1 stop6h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$201
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Sat 12/197:03 pm -
2 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$202
This Mytrip deal was found by Cheapflights users on 10/31. 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 12/205:37 pm -
2 stops22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$203
This Southwest deal was found by Cheapflights users on 11/3. 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 11/267:45 am -
2 stops8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$206
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $253 (Kiwi.com) |
One-way from | $140 (Kiwi.com) |
Popular in | February |
Cheapest in | January |
Average price | $400 |
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 November 5, 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 2/24
6:29 am-1:57 pm
2 stops9h 28m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$177
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Wed 1/27
4:06 pm-10:33 pm
1 stop8h 27m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$184
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Mon 12/21
7:46 pm-11:59 pm
1 stop6h 13m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$201
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Thu 11/26
7:45 am-2:40 pm
2 stops8h 55m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
Quickest round-trip
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Sun 12/20
6:15 am-10:10 am
1 stop5h 55m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$211
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Mon 12/21
8:06 am-5:35 pm
2 stops11h 29m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$256
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Thu 12/24
6:00 am-1:42 pm
1 stop9h 42m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$261
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Fri 12/18
6:03 am-8:16 pm
2 stops16h 13m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Sat 11/14
7:08 am-12:53 pm
1 stop7h 45m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$281
St. LouisSan Jose
STL Lambert-St Louis - SJC San Jose
STLSJC
Lambert-St Louis
Tue 11/17
2:31 pm-10:12 pm
1 stop9h 41m
San Jose
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$281
Showing 1-10 of 19 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 $346 and $459 in December.The cheapest round-trip price found within the last 5 days was $253 on Frontier (Dec 9-Jan 6).
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 November 5, 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
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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St. Louis and San Jose flights
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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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$468 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$339 | Average$573 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$499 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$388 | Average$530 | FlexibilityNo cancel fee | On-time71% |