$129+ Cheap flights from San José (SJO) to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — STL
Jun 1 — Jun 81
Round-trip
1 adult, Economy
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Find cheap flights from San José to St. Louis 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 San José to St. Louis
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Best
Last-minute
One-way
Cheapest flights from San José to St. LouisExplore the most affordable flight options available from San José to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
Explore the most affordable flight options available from San José to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
This Orbitz deal was found by Cheapflights users on 5/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:35 am
SJO
- STL
1 stop13h 24m
Frontier
Sat 8/294:10 pm
STL
- SJO
1 stop17h 10m
Frontier
Deal found 5/1![Frontier logo]()
$343
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:30 am
SJO
- STL
2 stops19h 56m
United Airlines
Tue 8/41:13 pm
STL
- SJO
2 stops21h 58m
United Airlines
Deal found 4/28![United Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:38 pm
SJO
- STL
1 stop17h 46m
American Airlines
Sat 8/17:23 pm
STL
- SJO
1 stop20h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/2112:50 pm
SJO
- STL
1 stop20h 34m
American Airlines
Wed 7/297:06 am
STL
- SJO
1 stop8h 31m
American Airlines
Deal found 4/27![American Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:07 am
SJO
- STL
1 stop15h 50m
Multiple Airlines
Sat 6/204:17 pm
STL
- SJO
1 stop17h 03m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:30 am
SJO
- STL
1 stop8h 37m
United Airlines
Thu 8/611:10 am
STL
- SJO
1 stop24h 01m
United Airlines
Deal found 4/28![United Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:35 am
SJO
- STL
1 stop13h 22m
Multiple Airlines
Tue 6/24:19 pm
STL
- SJO
1 stop23h 52m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am
SJO
- STL
1 stop8h 56m
United Airlines
Mon 11/26:15 am
STL
- SJO
1 stop7h 00m
United Airlines
Deal found 4/27![United Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:35 am
SJO
- STL
1 stop13h 22m
Multiple Airlines
Thu 6/44:19 pm
STL
- SJO
2 stops20h 26m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$433
Best flights from San José to St. LouisDiscover carefully curated flight deals from San José to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
Discover carefully curated flight deals from San José to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:25 pm
SJO
- STL
2 stops20h 09m
United Airlines
Tue 6/25:41 pm
STL
- SJO
2 stops26h 56m
United Airlines
Deal found 4/28![United Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:29 pm
SJO
- STL
1 stop19h 03m
American Airlines
Sat 8/226:25 pm
STL
- SJO
2 stops18h 09m
American Airlines
Deal found 5/1![American Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:30 am
SJO
- STL
1 stop8h 37m
United Airlines
Thu 8/64:48 pm
STL
- SJO
1 stop29h 27m
United Airlines
Deal found 4/27![United Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:00 pm
SJO
- STL
1 stop17h 38m
American Airlines
Sat 6/206:24 pm
STL
- SJO
1 stop18h 25m
American Airlines
Deal found 5/1![American Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:30 am
SJO
- STL
2 stops14h 16m
United Airlines
Wed 8/51:13 pm
STL
- SJO
2 stops21h 58m
United Airlines
Deal found 4/27![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:30 am
SJO
- STL
1 stop21h 15m
United Airlines
Thu 6/187:05 pm
STL
- SJO
2 stops25h 32m
United Airlines
Deal found 4/30![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:55 am
SJO
- STL
1 stop13h 35m
United Airlines
Thu 5/288:35 am
STL
- SJO
1 stop12h 02m
United Airlines
Deal found 4/28![United Airlines logo]()
$511
Last-minute flights from San José to St. LouisDiscover last-minute flight deals from San José to St. Louis. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from San José to St. Louis. Data last updated May 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:30 am
SJO
- STL
2 stops14h 49m
American Airlines
Tue 6/25:18 pm
STL
- SJO
2 stops19h 32m
American Airlines
Deal found 4/28![American Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SJO
- STL
1 stop16h 21m
Multiple Airlines
Mon 5/184:19 pm
STL
- SJO
1 stop23h 59m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:55 am
SJO
- STL
1 stop13h 35m
United Airlines
Wed 6/38:35 am
STL
- SJO
1 stop15h 04m
United Airlines
Deal found 4/28![United Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:35 am
SJO
- STL
1 stop13h 22m
Multiple Airlines
Tue 6/24:19 pm
STL
- SJO
1 stop23h 52m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:35 am
SJO
- STL
1 stop13h 22m
Multiple Airlines
Thu 6/44:19 pm
STL
- SJO
2 stops20h 26m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:55 am
SJO
- STL
2 stops23h 44m
United Airlines
Tue 6/25:41 pm
STL
- SJO
2 stops26h 56m
United Airlines
Deal found 4/28![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:25 pm
SJO
- STL
2 stops20h 09m
United Airlines
Tue 6/25:41 pm
STL
- SJO
2 stops26h 56m
United Airlines
Deal found 4/28![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:13 am
SJO
- STL
1 stop10h 32m
United Airlines
Sat 6/65:41 pm
STL
- SJO
2 stops17h 30m
United Airlines
Deal found 4/28![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:30 am
SJO
- STL
1 stop8h 37m
United Airlines
Fri 6/51:13 pm
STL
- SJO
2 stops23h 25m
United Airlines
Deal found 5/1![United Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:07 am
SJO
- STL
1 stop15h 50m
Multiple Airlines
Sat 6/204:17 pm
STL
- SJO
1 stop17h 03m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$416
This KAYAK deal was found by Cheapflights users on 5/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:59 pm
SJO
- STL
1 stop7h 51m
GOL
Sat 6/206:12 pm
STL
- SJO
2 stops18h 37m
GOL
Deal found 5/1![GOL logo]()
$486
One-way flights from San José to St. LouisSearch for one-way flight options from San José to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
Search for one-way flight options from San José to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This Frontier deal was found by Cheapflights users on 4/30. 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 5/249:35 am
SJO
- STL
1 stop13h 22m
Frontier
Deal found 4/30![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 4/27. 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 6/149:35 am
SJO
- STL
1 stop13h 34m
Frontier
Deal found 4/27![Frontier logo]()
$207
This Expedia deal was found by Cheapflights users on 4/29. 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.
Sun 8/169:35 am
SJO
- STL
1 stop13h 24m
Frontier
Deal found 4/29![Frontier logo]()
$225
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:13 am
SJO
- STL
2 stops20h 28m
United Airlines
Deal found 4/27![United Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:59 pm
SJO
- STL
1 stop23h 00m
American Airlines
Deal found 4/27![American Airlines logo]()
$234
This Trip.com deal was found by Cheapflights users on 4/30. 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 5/237:00 am
SJO
- STL
1 stop15h 57m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:30 am
SJO
- STL
2 stops21h 20m
United Airlines
Deal found 4/30![United Airlines logo]()
$254
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:38 pm
SJO
- STL
1 stop17h 46m
American Airlines
Deal found 5/1![American Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1312:30 am
SJO
- STL
2 stops19h 46m
United Airlines
Deal found 4/27![United Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 4/27. 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 6/167:00 am
SJO
- STL
2 stops26h 37m
American Airlines
Deal found 4/27![American Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:44 pm
SJO
- STL
1 stop9h 51m
United Airlines
Deal found 4/27![United Airlines logo]()
$294
This Frontier deal was found by Cheapflights users on 4/27. 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.
Sat 6/209:35 am
SJO
- STL
1 stop13h 34m
Frontier
Deal found 4/27![Frontier logo]()
$297
Find flight deals from San José to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to St. Louis (STL). 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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Orbitz) |
One-way from | $129 (Frontier) |
Popular in | January |
Cheapest in | October |
Average price | $502 |
Cheapflights Fare Finder
Customize your flight search to find flights from San José to St. Louis 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 2, 2026.
Use the filters below to find and compare flights from San José to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Fri 5/22
1:25 pm-10:34 am
2 stops20h 09m
Lambert-St Louis
Tue 6/2
5:41 pm-7:37 pm
2 stops26h 56m
$385
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 7/29
12:30 am-10:07 am
1 stop8h 37m
Lambert-St Louis
Thu 8/6
4:48 pm-9:15 pm
1 stop29h 27m
$417
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Mon 8/17
1:29 pm-9:32 am
1 stop19h 03m
Lambert-St Louis
Sat 8/22
6:25 pm-11:34 am
2 stops18h 09m
$440
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Fri 6/5
2:00 pm-8:38 am
1 stop17h 38m
Lambert-St Louis
Sat 6/20
6:24 pm-11:49 am
1 stop18h 25m
$450
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Mon 7/27
12:30 am-3:46 pm
2 stops14h 16m
Lambert-St Louis
Wed 8/5
1:13 pm-10:11 am
2 stops21h 58m
$457
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Fri 6/5
12:30 am-10:45 pm
1 stop21h 15m
Lambert-St Louis
Thu 6/18
7:05 pm-7:37 pm
2 stops25h 32m
$489
Quickest round-trip
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 5/13
7:55 am-10:30 pm
1 stop13h 35m
Lambert-St Louis
Thu 5/28
8:35 am-7:37 pm
1 stop12h 02m
$511
Cheapest one-way
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Sun 6/14
9:35 am-12:09 am
1 stop13h 34m
$207
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 6/17
11:13 am-8:41 am
2 stops20h 28m
$228
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Thu 6/18
7:55 am-8:41 am
2 stops23h 46m
$228
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San José to St. Louis
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 San José to St. Louis 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 San José-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San José-St. Louis 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 San José-St. Louis 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 San José to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from San José with our price prediction graph.
SJO-STL
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 San José to St. Louis
What is the cheapest month to book a flight from San José to St. Louis?
Currently, October is the cheapest month in which you can book a flight from San José to St. Louis (average of $336). Flying from San José to St. Louis in January is currently the most expensive (average of $720). 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 San José to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated May 2, 2026.
Read through reviews of airlines operating flights from San José to St. Louis, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Related info for your journey
Find useful and relevant information for your journey from San José to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Top 2 airlines flying from San José to St. Louis
Discover the top 2 airlines that operate flights from San José to St. Louis. 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$492 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$306 | Average$424 | FlexibilityNo cancel fee | On-time69% |