$203+ Cheap flights from Costa Rica 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — STL
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Costa Rica 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 Costa Rica to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Costa Rica to St. LouisExplore the most affordable flight options available from Costa Rica to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Costa Rica to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/412:35 pm
SJO
- STL
1 stop9h 52m
Multiple Airlines
Mon 3/94:51 pm
STL
- SJO
1 stop18h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/412:35 pm
SJO
- STL
1 stop9h 52m
Multiple Airlines
Tue 3/104:51 pm
STL
- SJO
1 stop18h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/191:31 pm
SJO
- STL
2 stops17h 20m
Multiple Airlines
Tue 2/243:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/171:31 pm
SJO
- STL
2 stops17h 20m
Multiple Airlines
Tue 2/243:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/1011:35 am
SJO
- STL
1 stop10h 44m
Multiple Airlines
Tue 3/174:51 pm
STL
- SJO
1 stop18h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/312:35 pm
SJO
- STL
2 stops18h 16m
Multiple Airlines
Tue 3/104:51 pm
STL
- SJO
1 stop18h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/247:45 am
SJO
- STL
2 stops23h 06m
Multiple Airlines
Tue 3/33:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/2512:35 pm
SJO
- STL
1 stop9h 52m
Multiple Airlines
Tue 3/33:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/1111:35 am
SJO
- STL
1 stop10h 44m
Multiple Airlines
Tue 3/178:06 pm
STL
- SJO
2 stops15h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$340
Best flights from Costa Rica to St. LouisDiscover carefully curated flight deals from Costa Rica to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Costa Rica to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/171:31 pm
SJO
- STL
2 stops17h 20m
Multiple Airlines
Tue 2/243:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/412:35 pm
SJO
- STL
2 stops22h 01m
United Airlines
Tue 3/107:40 am
STL
- SJO
2 stops12h 13m
United Airlines
Deal found 2/3![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 2/4. 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 2/2512:35 am
SJO
- STL
1 stop16h 38m
American Airlines
Mon 3/25:14 am
STL
- SJO
1 stop15h 19m
American Airlines
Deal found 2/4![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/1111:35 am
SJO
- STL
1 stop10h 44m
Multiple Airlines
Tue 3/174:51 pm
STL
- SJO
1 stop18h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/247:45 am
SJO
- STL
2 stops23h 06m
Multiple Airlines
Tue 3/33:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/412:35 pm
SJO
- STL
2 stops22h 01m
United Airlines
Mon 3/97:00 pm
STL
- SJO
2 stops27h 32m
United Airlines
Deal found 2/3![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:30 am
SJO
- STL
2 stops16h 16m
American Airlines
Tue 5/126:29 am
STL
- SJO
2 stops13h 38m
American Airlines
Deal found 2/3![American Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/191:31 pm
SJO
- STL
2 stops17h 20m
Multiple Airlines
Mon 2/233:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$380
Last-minute flights from Costa Rica to St. LouisDiscover last-minute flight deals from Costa Rica to St. Louis. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Costa Rica to St. Louis. Data last updated February 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/171:31 pm
SJO
- STL
2 stops17h 20m
Multiple Airlines
Tue 2/243:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/191:31 pm
SJO
- STL
2 stops17h 20m
Multiple Airlines
Tue 2/243:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/247:45 am
SJO
- STL
2 stops23h 06m
Multiple Airlines
Tue 3/33:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/2512:35 pm
SJO
- STL
1 stop9h 52m
Multiple Airlines
Tue 3/33:49 pm
STL
- SJO
1 stop19h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/312:35 pm
SJO
- STL
2 stops18h 16m
Multiple Airlines
Tue 3/104:51 pm
STL
- SJO
1 stop18h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/412:35 pm
SJO
- STL
1 stop9h 52m
Multiple Airlines
Mon 3/94:51 pm
STL
- SJO
1 stop18h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/412:35 pm
SJO
- STL
1 stop9h 52m
Multiple Airlines
Tue 3/104:51 pm
STL
- SJO
1 stop18h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/1011:35 am
SJO
- STL
1 stop10h 44m
Multiple Airlines
Tue 3/174:51 pm
STL
- SJO
1 stop18h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/1111:35 am
SJO
- STL
1 stop10h 44m
Multiple Airlines
Tue 3/178:06 pm
STL
- SJO
2 stops15h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$340
One-way flights from Costa Rica to St. LouisSearch for one-way flight options from Costa Rica to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Costa Rica to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 5/211:25 pm
SJO
- STL
1 stop9h 34m
Delta
Deal found 2/3![Delta logo]()
$203
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 5/211:25 pm
SJO
- STL
2 stops25h 21m
United Airlines
Deal found 2/3![United Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 5/2211:13 am
SJO
- STL
2 stops27h 33m
United Airlines
Deal found 2/3![United Airlines logo]()
$247
This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare 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 41m
Avianca
Deal found 2/3![Avianca logo]()
$266
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:59 pm
SJO
- STL
1 stop7h 51m
American Airlines
Deal found 2/3![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/711:59 pm
SJO
- STL
1 stop7h 51m
American Airlines
Deal found 2/3![American Airlines logo]()
$318
This Ovago deal was found by Cheapflights users on 2/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:12 pm
SJO
- STL
2 stops19h 48m
GOL
Deal found 2/3![GOL logo]()
$359
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:05 am
SJO
- STL
3 stops30h 01m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:12 am
SJO
- STL
1 stop15h 33m
American Airlines
Deal found 2/3![American Airlines logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 6/75:05 am
SJO
- STL
3 stops17h 33m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 5/225:05 am
SJO
- STL
3 stops35h 01m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$538
Find flight deals from Costa Rica to St. Louis
Keep the following information in mind while searching for Costa Rica to St. Louis flight deals. Data was last updated February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $278 (Kiwi.com) |
One-way from | $203 (Delta) |
Popular in | January |
Cheapest in | September |
Average price | $473 |
Cheapflights Fare Finder
Customize your flight search to find flights from Costa Rica 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 February 5, 2026.
Use the filters below to find and compare flights from Costa Rica to St. Louis that are best for you.
Fly from
Costa Rica
Fly to
St. Louis
Route
Depart
Return
Price
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Tue 2/17
1:31 pm-6:51 am
2 stops17h 20m
Lambert-St Louis
Tue 2/24
3:49 pm-11:40 am
1 stop19h 51m
$304
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 3/11
11:35 am-11:19 pm
1 stop10h 44m
Lambert-St Louis
Tue 3/17
4:51 pm-10:42 am
1 stop18h 51m
$310
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Tue 2/24
7:45 am-6:51 am
2 stops23h 06m
Lambert-St Louis
Tue 3/3
3:49 pm-11:40 am
1 stop19h 51m
$318
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 3/4
12:35 pm-10:36 am
2 stops22h 01m
Lambert-St Louis
Tue 3/10
7:40 am-6:53 pm
2 stops12h 13m
$374
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 3/4
12:35 pm-10:36 am
2 stops22h 01m
Lambert-St Louis
Mon 3/9
7:00 pm-9:32 pm
2 stops27h 32m
$374
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Wed 2/25
12:35 am-5:13 pm
1 stop16h 38m
Lambert-St Louis
Mon 3/2
5:14 am-8:33 pm
1 stop15h 19m
$379
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Thu 2/19
1:31 pm-6:51 am
2 stops17h 20m
Lambert-St Louis
Mon 2/23
3:49 pm-11:40 am
1 stop19h 51m
$380
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Fri 5/1
6:30 am-11:46 pm
2 stops16h 16m
Lambert-St Louis
Tue 5/12
6:29 am-7:07 pm
2 stops13h 38m
$386
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Thu 5/21
1:25 pm-11:59 pm
1 stop9h 34m
$203
San JoséSt. Louis
SJO - STL
SJOSTL
San José Juan Santamaria Intl
Fri 5/22
11:13 am-5:49 pm
1 stop29h 36m
$203
Showing 1-10 of 19 results
Best time to book a flight from Costa Rica to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Costa Rica 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 Costa Rica to St. Louis
CR0-STL
SJO-STL
What is the cheapest month to book a flight from Costa Rica to St. Louis?
Currently, April is the cheapest month in which you can book a flight from Costa Rica to St. Louis (average of $220). Flying from Costa Rica to St. Louis in January is currently the most expensive (average of $416). 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.
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 February 5, 2026.
See what other customers who have flown with United Airlines and American Airlines from Costa Rica to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Related info for your journey
Find useful and relevant information for your journey from Costa Rica 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Costa Rica to St. Louis by cabin class
Find flights from Costa Rica to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Costa Rica and St. Louis flights
Browse other Costa Rica and St. Louis flight options. Last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Top 2 airlines flying from Costa Rica to St. Louis
Discover the top 2 airlines that operate flights from Costa Rica 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$306 | Average$419 | FlexibilityNo cancel fee | On-time69% |