San José

$166+ Cheap flights from St. Louis (STL) to San José (SJO)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJO
Feb 25 — Mar 41
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The best prices from Lambert-St Louis to San José Juan Santamaria Intl are usually found in September or August, booked 90 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to San José

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San José (SJO). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(FlightHub)

One-way from

$166
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$640
Provider with most accurate pricing for Lambert-St Louis-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-San José Juan Santamaria Intl flights.
From Lambert-St Louis to San José Juan Santamaria Intl
One-way flight from Lambert-St Louis to San José Juan Santamaria Intl
Highest demand for flights based on searches. 13% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from St. Louis to San José

Cheapest flights from St. Louis to San José
Explore the most affordable flight options available from St. Louis to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:47 pmSTL - SJO
1 stop17h 34mSpirit Airlines
Mon 4/712:50 amSJO - STL
1 stop16h 02mSpirit Airlines
Deal found 2/19$249
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/16:47 pmSTL - SJO
1 stop17h 34mMultiple Airlines
Mon 4/78:46 amSJO - STL
2 stops32h 06mMultiple Airlines
Deal found 2/20$320
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/15:10 amSTL - SJO
1 stop17h 49mAmerican Airlines
Tue 4/86:05 amSJO - STL
1 stop15h 14mAmerican Airlines
Deal found 2/19$428
This United Airlines deal was found by Cheapflights users on 2/20. 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 6/115:55 pmSTL - SJO
1 stop19h 31mUnited Airlines
Thu 6/1911:13 amSJO - STL
1 stop10h 02mUnited Airlines
Deal found 2/20$505
This Delta deal was found by Cheapflights users on 2/19. 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 9/246:00 amSTL - SJO
1 stop6h 53mDelta
Sun 9/281:18 pmSJO - STL
1 stop9h 21mDelta
Deal found 2/19$533
This Southwest deal was found by Cheapflights users on 2/19. 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 9/101:20 pmSTL - SJO
1 stop6h 35mSouthwest
Sun 9/1412:35 pmSJO - STL
1 stop9h 05mSouthwest
Deal found 2/19$544
This Copa Airlines deal was found by Cheapflights users on 2/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/118:10 amSTL - SJO
2 stops14h 43mCopa Airlines
Thu 6/196:07 pmSJO - STL
2 stops21h 46mCopa Airlines
Deal found 2/20$623
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/156:44 amSTL - SJO
2 stops18h 28mAlaska Airlines
Mon 4/211:12 amSJO - STL
2 stops21h 47mAlaska Airlines
Deal found 2/20$736

Find flights from St. Louis to San José within your budget

Customize your flight search to find flights from St. Louis to San José 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 February 20, 2025.

Fly from

St. Louis

Fly to

San José

Route

Depart

Return

Price

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 4/1

6:47 pm-11:21 am

1 stop17h 34m

San José Juan Santamaria Intl

Mon 4/7

12:50 am-5:52 pm

1 stop16h 02m

$249

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 3/4

4:00 pm-12:21 pm

1 stop20h 21m

San José Juan Santamaria Intl

Tue 3/11

11:30 am-11:49 pm

1 stop11h 19m

$280

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 4/1

5:10 am-9:59 pm

1 stop17h 49m

San José Juan Santamaria Intl

Tue 4/8

6:05 am-10:19 pm

1 stop15h 14m

$428

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Thu 4/10

6:15 am-12:26 pm

1 stop7h 11m

San José Juan Santamaria Intl

Thu 4/17

1:30 pm-9:56 am

1 stop19h 26m

$475

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 3/11

7:00 am-10:59 pm

2 stops16h 59m

San José Juan Santamaria Intl

Thu 3/13

12:26 am-11:59 pm

2 stops22h 33m

$668

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 2/25

8:25 am-7:35 am

2 stops23h 10m

San José Juan Santamaria Intl

Sun 3/2

4:09 am-10:06 pm

2 stops17h 57m

$708

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Sun 4/13

8:55 am-7:40 pm

2 stops11h 45m

San José Juan Santamaria Intl

Sun 4/20

1:10 pm-11:50 pm

2 stops9h 40m

$815

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Wed 3/19

5:24 pm-10:25 am

1 stop18h 01m

$166

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Mon 3/24

1:06 pm-9:24 pm

1 stop9h 18m

$181

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Fri 4/25

5:45 am-6:24 pm

2 stops13h 39m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from St. Louis to San José

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 José in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 St. Louis-San José, San José Province 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 José, San José Province flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-San José, San José Province flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-San José, San José Province 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 José, San José Province 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 José

Have a flexible travel schedule? Discover the best time to fly to San José 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.

Travel insights for flights from St. Louis to San José

Get recent, data-driven insights about flights from St. Louis to San José including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to San José, San José Province?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San José. Price data was last updated on February 14, 2025.

The price you pay for your flight from St. Louis to San José, San José Province may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to San José, San José Province (average of $398). Flying from St. Louis to San José, San José Province in March is currently the most expensive (average of $555). 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 SJO?

Find hourly flight availability from St. Louis to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from St. Louis to San José, San José Province, 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 30% versus a flight at noon.

Rainfall in San José by month

Plan your trip to San José by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 in.

Temperature in San José by month

Plan your trip to San José by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 José. Reviews last updated February 20, 2025.
To help decide which airline to fly from St. Louis to San José, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

8.0
Very good

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from St. Louis to San José, San José Province round-trip?

    Cheapflights users have booked flights from St. Louis to San José, San José Province round-trip from $249. Other airlines that can offer you cheap pricing are American Airlines, from $428, and United Airlines, from $475. Spirit Airlines is priced at 58% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to San José 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 St. Louis to San José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to San José, San José Province (average of $398). Flying from St. Louis to San José, San José Province in March is currently the most expensive (average of $555). 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
Manuel Antonio
Heredia
Jacó
Alajuela
Monteverde

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Alternative routes for St. Louis to San José

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to San José

Discover the top 5 airlines that operate flights from St. Louis to San José. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$246Average$318FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$389Average$577FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$399Average$602FlexibilityNo cancel feeOn-time71%
DeltaCheapest$408Average$589FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$533Average$773FlexibilityNo cancel feeOn-time63%
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