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St. Louis

$267+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — STL
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap flight deals from San José to St. Louis

Cheapest flights from San José to St. Louis
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 June 16, 2026.

This Expedia deal was found by Cheapflights users on 6/13. 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 7/129:35 am
SJO
-
STL
1 stop13h 24m
Frontier
Wed 8/124:09 pm
STL
-
SJO
1 stop17h 11m
Frontier
Deal found 6/13$475
This Southwest deal was found by Cheapflights users on 6/11. 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 9/101:40 pm
SJO
-
STL
1 stop7h 10m
Southwest
Thu 9/1712:15 pm
STL
-
SJO
1 stop7h 25m
Southwest
Deal found 6/11$483
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/101:25 pm
SJO
-
STL
2 stops31h 11m
United Airlines
Thu 9/178:00 am
STL
-
SJO
2 stops29h 21m
United Airlines
Deal found 6/10$491
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/291:25 pm
SJO
-
STL
2 stops21h 48m
United Airlines
Sat 10/36:15 am
STL
-
SJO
1 stop14h 22m
United Airlines
Deal found 6/10$500
This Expedia deal was found by Cheapflights users on 6/13. 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.
Sat 7/119:45 am
SJO
-
STL
1 stop13h 14m
Frontier
Wed 8/124:09 pm
STL
-
SJO
1 stop17h 11m
Frontier
Deal found 6/13$507
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 10/277:45 am
SJO
-
STL
1 stop9h 53m
United Airlines
Wed 10/288:15 pm
STL
-
SJO
2 stops23h 38m
United Airlines
Deal found 6/14$541
This Southwest deal was found by Cheapflights users on 6/11. 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 9/2712:35 pm
SJO
-
STL
1 stop9h 25m
Southwest
Fri 10/25:00 am
STL
-
SJO
1 stop8h 35m
Southwest
Deal found 6/11$544
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/1012:30 am
SJO
-
STL
2 stops15h 57m
United Airlines
Tue 8/1110:53 am
STL
-
SJO
2 stops33h 44m
United Airlines
Deal found 6/13$549
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/157:15 am
SJO
-
STL
1 stop15h 29m
United Airlines
Wed 7/221:13 pm
STL
-
SJO
2 stops21h 58m
United Airlines
Deal found 6/10$550

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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$475
(Expedia)

One-way from

$267
(Priceline)

Popular in

January

Cheapest in

September

Average price

$662
Provider with most accurate pricing for San José Juan Santamaria Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Lambert-St Louis flights.
Search Deals
From San José Juan Santamaria Intl to Lambert-St Louis
Search Deals
One-way flight from San José Juan Santamaria Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 16, 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

Price

Cheapest round-trip

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Wed 7/22

7:55 am-2:16 pm

1 stop29h 21m

Lambert-St Louis

Wed 7/29

6:00 am-10:39 pm

2 stops17h 39m

$550

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 7/23

12:44 pm-11:44 pm

1 stop10h 00m

Lambert-St Louis

Tue 7/28

6:14 am-10:39 pm

1 stop17h 25m

$559

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Sun 10/11

1:25 pm-3:43 pm

2 stops25h 18m

Lambert-St Louis

Sat 10/17

6:15 am-7:37 pm

1 stop14h 22m

$592

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Tue 7/21

7:15 am-11:36 pm

1 stop15h 21m

Lambert-St Louis

Sun 7/26

1:13 pm-10:11 am

2 stops21h 58m

$619

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 7/2

7:55 am-5:42 pm

1 stop8h 47m

Lambert-St Louis

Thu 7/9

9:20 am-10:11 am

2 stops25h 51m

$625

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Tue 7/14

12:30 am-9:26 pm

2 stops19h 56m

Lambert-St Louis

Mon 7/20

1:13 pm-10:11 am

2 stops21h 58m

$633

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Mon 6/29

12:30 am-10:45 pm

1 stop21h 15m

Lambert-St Louis

Mon 7/6

11:25 am-10:11 am

2 stops23h 46m

$659

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Sun 6/28

1:25 pm-10:45 pm

1 stop8h 20m

Lambert-St Louis

Thu 7/9

9:20 am-10:11 am

2 stops25h 51m

$665

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Sat 7/4

1:00 pm-12:11 pm

1 stop22h 11m

Lambert-St Louis

Wed 7/8

7:05 pm-10:39 pm

2 stops28h 34m

$686
Quickest round-trip

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Tue 10/27

7:45 am-4:35 pm

1 stop7h 50m

Lambert-St Louis

Wed 10/28

5:20 pm-11:42 am

1 stop19h 22m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 June 16, 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.
United Airlines
7.4
Good
9,842 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,842 reviews
United Airlines
7.4
Good
9,842 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,666 reviews
United Airlines
7.4
Good
9,842 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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.

  • How long is the flight from San José to St. Louis?

    There are many flights that can get you from San José to St. Louis in 29h 21m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 2022 mi.

  • What are the cheapest airlines flying from San José to St. Louis round-trip?

    Currently priced at $274, American Airlines will fly you from San José to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $396. American Airlines is priced at 46% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from San José to St. Louis that include hotel bookings?

    Yes. In addition to deals on San José to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to St. Louis.

  • Can I find deals for business class flights from San José to St. Louis?

    Yes. Cheapflights offers flight deals from San José to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San José to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
San José to Kansas City flights
Liberia to Kansas City flights

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 June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$274Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$396Average$474FlexibilityNo cancel feeOn-time69%

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