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St. Louis

$177+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — STL
ene. 2 — ene. 91
vie. 1/2
vie. 1/9
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 diciembre 3, 2025.

This Delta deal was found by Cheapflights users on 12/3. 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.
vie. 12/267:00 amSJO - STL
1 stop14h 40mDelta
sáb. 1/37:00 amSTL - SJO
1 stop14h 55mDelta
Deal found 12/3$409
This Southwest deal was found by Cheapflights users on 12/3. 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.
jue. 12/49:00 amSJO - STL
1 stop10h 15mSouthwest
mié. 12/109:10 amSTL - SJO
1 stop11h 20mSouthwest
Deal found 12/3$447
This Air Canada deal was found by Cheapflights users on 12/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:35 amSJO - STL
1 stop30h 54mAir Canada
mar. 12/94:05 pmSTL - SJO
1 stop30h 50mAir Canada
Deal found 12/3$458
This Delta deal was found by Cheapflights users on 12/3. 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.
mié. 12/32:31 pmSJO - STL
1 stop17h 53mDelta
lun. 12/87:05 amSTL - SJO
1 stop15h 15mDelta
Deal found 12/3$470
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/152:20 pmSJO - STL
1 stop7h 38mUnited Airlines
lun. 12/226:00 amSTL - SJO
1 stop12h 16mUnited Airlines
Deal found 12/3$480
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
sáb. 12/61:31 pmSJO - STL
1 stop24h 21mMultiple Airlines
mié. 12/103:30 pmSTL - SJO
1 stop20h 12mMultiple Airlines
Deal found 12/3$481
This United Airlines deal was found by Cheapflights users on 12/1. 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.
vie. 12/268:45 amSJO - STL
1 stop13h 10mUnited Airlines
sáb. 1/36:35 pmSTL - SJO
2 stops27h 57mUnited Airlines
Deal found 12/1$485
This American Airlines deal was found by Cheapflights users on 11/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:22 amSJO - STL
1 stop16h 12mAmerican Airlines
vie. 12/510:13 amSTL - SJO
2 stops12h 15mAmerican Airlines
Deal found 11/30$536
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
vie. 12/57:55 amSJO - STL
2 stops29h 55mMultiple Airlines
mié. 12/103:30 pmSTL - SJO
1 stop20h 12mMultiple Airlines
Deal found 12/3$554

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 diciembre 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(eDestinos)

One-way from

$177
(Trip.com)

Popular in

April

Cheapest in

October

Average price

$367
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. 11% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 3, 2025.
Use the filters below to find and compare flights from San José to St. Louis that are best for you.

Fly from

San José

Fly to

St. Louis

Route

Depart

Return

Price

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 2/26

7:22 am-7:50 am

1 stop24h 28m

Lambert-St Louis

lun. 3/2

5:11 pm-3:20 pm

1 stop22h 09m

$285

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 2/5

7:22 am-10:23 am

1 stop27h 01m

Lambert-St Louis

mié. 2/11

5:44 pm-3:20 pm

2 stops21h 36m

$333

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 2/26

7:00 am-5:42 pm

1 stop10h 42m

Lambert-St Louis

lun. 3/2

10:13 am-10:02 pm

1 stop11h 49m

$348

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

mié. 2/25

12:31 am-5:05 pm

1 stop16h 34m

Lambert-St Louis

lun. 3/2

5:14 am-2:53 pm

1 stop9h 39m

$357

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 1/22

8:45 am-10:00 pm

1 stop13h 15m

Lambert-St Louis

lun. 1/26

6:00 am-1:15 pm

1 stop7h 15m

$357

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

mié. 3/4

12:31 am-5:05 pm

1 stop16h 34m

Lambert-St Louis

mar. 3/10

5:12 am-9:43 pm

1 stop17h 31m

$357

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 1/22

7:00 am-5:50 pm

1 stop10h 50m

Lambert-St Louis

lun. 1/26

3:45 pm-10:15 pm

1 stop6h 30m

$357

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 3/5

11:28 pm-2:43 pm

2 stops15h 15m

Lambert-St Louis

mar. 3/10

6:30 am-9:32 pm

2 stops16h 02m

$361

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

mié. 12/10

12:39 pm-10:33 pm

1 stop9h 54m

$179

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 12/25

6:30 am-12:27 pm

2 stops29h 57m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 15 results
1
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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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-St. Louis flight deals on Cheapflights vs. eDreams >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 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 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

What is the cheapest month to book a flight from San José to St. Louis?

Currently, April is the cheapest month in which you can book a flight from San José to St. Louis (average of $220). Flying from San José to St. Louis in March is currently the most expensive (average of $372). 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 SJO to STL?

Find hourly flight availability from San José to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 3, 2025.

A simple way to save on the total cost of your ticket is to fly from San José to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

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 diciembre 3, 2025.
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
9,065 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,065 reviews
United Airlines
7.4
Good
9,065 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,046 reviews
United Airlines
7.4
Good
9,065 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 10h 42m. Fly via Delta or American Airlines to get the fastest option. Airlines will cover a distance of 2022 mi. This flight may include one or multiple stops.

  • 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 $306. American Airlines is priced at 40% 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.

  • What is the cheapest month to book a flight from San José to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from San José to St. Louis (average of $220). Flying from San José to St. Louis in March is currently the most expensive (average of $372). 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.

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
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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 diciembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$274Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$426FlexibilityNo cancel feeOn-time69%

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