$97+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
Dec 26 — Jan 21
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from St. Louis to San Jose
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 26, 2025.
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 26, 2025.
This CheapOair deal was found by Cheapflights users on 11/24. 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.
Fri 12/51:16 pmSTL - SJC
1 stop7h 57mFrontier
Sun 12/73:27 pmSJC - STL
1 stop18h 45mFrontier
Deal found 11/24![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 11/26. 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 12/247:43 pmSTL - SJC
2 stops20h 49mFrontier
Tue 12/306:36 pmSJC - STL
1 stop19h 48mFrontier
Deal found 11/26![Frontier logo]()
$337
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/195:16 amSTL - SJC
1 stop6h 44mAmerican Airlines
Sat 12/276:00 amSJC - STL
1 stop9h 10mAmerican Airlines
Deal found 11/24![American Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 11/26. 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 12/247:43 pmSTL - SJC
2 stops20h 49mFrontier
Sun 1/43:27 pmSJC - STL
1 stop27h 58mFrontier
Deal found 11/26![Frontier logo]()
$375
This Southwest deal was found by Cheapflights users on 11/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmSTL - SJC
1 stop6h 25mSouthwest
Sat 12/275:50 pmSJC - STL
1 stop5h 30mSouthwest
Deal found 11/24![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 11/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:15 amSTL - SJC
2 stops11h 39mDelta
Thu 12/255:55 amSJC - STL
1 stop5h 28mDelta
Deal found 11/23![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 11/26. 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 12/242:18 pmSTL - SJC
2 stops34h 18mDelta
Thu 1/16:35 amSJC - STL
1 stop7h 53mDelta
Deal found 11/26![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 11/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:15 amSTL - SJC
2 stops11h 39mDelta
Sat 12/2710:55 pmSJC - STL
1 stop8h 03mDelta
Deal found 11/23![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 11/26. 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 12/233:41 pmSTL - SJC
1 stop7h 53mDelta
Tue 12/3010:55 pmSJC - STL
1 stop8h 03mDelta
Deal found 11/26![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 11/25. 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 12/255:00 amSTL - SJC
2 stops8h 05mSouthwest
Thu 1/17:00 amSJC - STL
2 stops8h 20mSouthwest
Deal found 11/25![Southwest logo]()
$423
Cheap 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 26, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $217 (CheapOair) |
One-way from | $97 (CheapOair) |
Popular in | September |
Cheapest in | February |
Average price | $368 |
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 November 26, 2025.
Use the filters below to find and compare flights from St. Louis to San Jose that are best for you.
Fly from
St. Louis
Fly to
San Jose
Route
Depart
Return
Price
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sun 1/25
9:27 pm-9:42 am
1 stop14h 15m
San Jose
Thu 1/29
12:34 pm-9:06 pm
1 stop6h 32m
$217
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Fri 3/6
2:22 pm-10:05 pm
2 stops9h 43m
San Jose
Mon 3/9
11:39 am-11:15 pm
2 stops9h 36m
$274
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 2/28
6:00 am-12:36 pm
1 stop8h 36m
San Jose
Mon 3/9
7:15 am-12:18 am
2 stops15h 03m
$296
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 3/3
7:00 am-1:42 pm
1 stop8h 42m
San Jose
Sun 3/8
8:00 am-1:51 pm
1 stop27h 51m
$330
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sat 2/28
2:47 pm-10:59 pm
1 stop10h 12m
San Jose
Thu 3/12
10:16 am-1:51 pm
1 stop25h 35m
$330
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Fri 3/6
7:00 am-10:28 am
1 stop29h 28m
San Jose
Mon 3/9
4:59 pm-1:51 pm
1 stop18h 52m
$332
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 1/20
3:31 pm-9:28 pm
1 stop7h 57m
San Jose
Fri 1/23
11:40 am-11:23 pm
2 stops9h 43m
$332
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Wed 3/4
7:00 am-5:09 pm
1 stop12h 09m
San Jose
Mon 3/9
2:36 pm-1:51 pm
1 stop21h 15m
$332
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Sun 2/15
7:00 am-12:16 pm
1 stop7h 16m
San Jose
Thu 2/19
11:45 am-12:25 am
2 stops10h 40m
$332
St. LouisSan Jose
STL - SJC
STLSJC
Lambert-St Louis
Tue 1/20
2:50 pm-2:42 pm
1 stop25h 52m
San Jose
Fri 1/23
11:00 am-10:46 pm
1 stop9h 46m
$332
Showing 1-10 of 20 results
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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-San Jose, California flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 November 21, 2025.
The best time to book flights from St. Louis to San Jose, California is 65 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, August is the cheapest month in which you can book a flight from St. Louis to San Jose, California (average of $123). Flying from St. Louis to San Jose, California in May is currently the most expensive (average of $256). 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.
What is the cheapest time of day to fly from STL to SJC?
Find hourly flight availability from St. Louis to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.
When flying from St. Louis to San Jose, California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 81% versus a flight at noon.
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 26, 2025.
See what other customers who have flown with Southwest, Delta, and United 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.
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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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Alternative routes for St. Louis to San Jose
See prices for flight routes from nearby airports that may be better suited for you.
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 November 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$337 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$343 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$372 | FlexibilityNo cancel fee | On-time69% |