$138 Cheap flight deals from St. Louis (STL) to San José (SJO)

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This Weekend's Flight Deals from St. Louis to San José

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 12 - Mon, Apr 13
STL
Lambert-St. Louis Intl.
SJO
Juan Santamaría Intl.
$649 Roundtrip, found 6 days ago
$649
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Apr 12 from Lambert-St. Louis Intl. to Juan Santamaría Intl., returning Mon, Apr 13, priced at $649 found 6 days ago

Airfares from $138 One Way, $339 Round Trip from St. Louis to San José

Prices starting at $339 for return flights and $138 for one-way flights to San José were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 24 - Thu, Jun 25
STL
St. Louis
SJO
San José
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Jun 24 from St. Louis to San José, returning Thu, Jun 25, priced at $339 found 4 days ago
Sat, May 16 - Sat, May 23
STL
St. Louis
SJO
San José
$345 Roundtrip, found 4 days ago
$345
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 16 from St. Louis to San José, returning Sat, May 23, priced at $345 found 4 days ago
Sat, May 16 - Sat, May 23
STL
St. Louis
SJO
San José
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 16 from St. Louis to San José, returning Sat, May 23, priced at $353 found 4 days ago
Sun, Jun 14 - Fri, Jun 19
STL
St. Louis
SJO
San José
$402 Roundtrip, found 6 days ago
$402
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jun 14 from St. Louis to San José, returning Fri, Jun 19, priced at $402 found 6 days ago
Sat, Feb 6 - Fri, Feb 12
STL
St. Louis
SJO
San José
$502 Roundtrip, found 2 days ago
$502
Roundtrip
found 2 days ago
Select United flight, departing Sat, Feb 6 from St. Louis to San José, returning Fri, Feb 12, priced at $502 found 2 days ago

San José economy flight packages

Price found within the past 48 hours. Click for updated prices.
Volcano Lodge Hotel & Thermal Experience
4.0-star property

Volcano Lodge Hotel & Thermal Experience

9.4/10 Exceptional! (1,009 reviews)

May 15 - May 21

6 night stay

St. Louis (STL) to San José (SJO)

American Airlines • Non-stop • Coach

San José (SJO) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach
Price was $1,348, price is now $777 per person
$777
per person
found 1 day ago
Private hot springs pool

Reviewed on Oct 22, 2024

The Springs Resort and Spa at Arenal
5.0-star property

The Springs Resort and Spa at Arenal

9.8/10 Exceptional! (1,009 reviews)

May 10 - May 14

4 night stay

St. Louis (STL) to San José (SJO)

United • Non-stop roundtrip • Coach
Save 100% on your flight
Price was $2,078, price is now $1,179 per person
$1,179
per person
found 1 day ago
Beautiful property! Large rooms, wonderful staff and lots to do. The pools were great and club rio rafting was a blast. Highly recommend!

Reviewed on Jun 22, 2025

Alma Del Pacifico Beach Hotel & Spa
4.0-star property

Alma Del Pacifico Beach Hotel & Spa

9.6/10 Exceptional! (347 reviews)

May 15 - May 21

6 night stay

St. Louis (STL) to San José (SJO)

American Airlines • Non-stop • Coach

San José (SJO) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach
Price was $1,349, price is now $881 per person
$881
per person
found 1 day ago
Very clean, safety measures were in place at all times, every single employee was extremely nice, polite. This hotel is beautiful, great food, great quality drinks. Every area very well maintained, I will definitely will recommend and will stay here next time we are in Costa Rica.

Reviewed on Dec 29, 2021

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More About Flying To San José from St. Louis

Route Information for Flights from St. Louis to San José

Origin Airport IATA Code
STL
Destination Airport IATA Code
SJO
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to San José

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Booking a trip from St. Louis to San José has never been easier. Not only will you find great deals on flights, we offer bargains on cruises, car rentals, top-notch hotels, and more. You can also research and add local activities in San José to your flight or hotel reservation to keep the kids happy and active.

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Frequently asked questions

What is the shortest flight from St. Louis to San Jose?
Getting from Lambert-St. Louis Intl. Airport (STL) to Juan Santamaria Intl. Airport will take you at least 5 hours and 25 minutes. Enjoy a beverage and watch a flick or two — now's your chance to relax.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.