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Cheap flights from St. Louis (STL) to Costa Rica from $151

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SJO
Jun 9 — Jun 161
From?
To?
Sun 6/9
Sun 6/16
1 adult, Economy
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How far in advance should I book a flight from St. Louis to Costa Rica?

Find a great deal and save up to 101% by booking at least 59 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Costa Rica within the next two weeks, with the cheapest ticket starting at $292.

What is the cheapest month to fly from St. Louis to Costa Rica?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Costa Rica. Flights to Costa Rica from St. Louis in September are about $589 on average during September, but can be found for as low as $278.

What is the cheapest time of day to fly from STL to CR?

When flying from St. Louis to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Spirit Airlines flights from St. Louis to Costa Rica

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Costa Rica. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 4, 2024.
Take a look at some of the lowest-priced Spirit Airlines flights heading from St. Louis to Costa Rica. It's recommended that users confirm their flight details before booking.
Tue 7/93:23 pmSTL - SJO
1 stop9h 42mSpirit Airlines
Mon 7/1512:32 pmSJO - STL
1 stop19h 54mSpirit Airlines
Deal found 6/3$359
Tue 7/911:57 amSTL - SJO
2 stops13h 08mSpirit Airlines
Mon 7/1512:32 pmSJO - STL
1 stop19h 54mSpirit Airlines
Deal found 6/3$377
Sun 7/146:19 pmSTL - SJO
1 stop6h 46mSpirit Airlines
Fri 7/1912:55 amSJO - STL
1 stop15h 34mSpirit Airlines
Deal found 6/2$396
Tue 7/93:23 pmSTL - SJO
1 stop9h 42mSpirit Airlines
Sun 7/1412:55 amSJO - STL
2 stops32h 29mSpirit Airlines
Deal found 6/3$405
Sun 8/46:19 pmSTL - SJO
1 stop6h 46mSpirit Airlines
Fri 8/912:32 pmSJO - STL
1 stop27h 57mSpirit Airlines
Deal found 6/2$423
Sun 6/305:22 pmSTL - SJO
1 stop7h 47mSpirit Airlines
Sat 7/612:59 amSJO - STL
1 stop14h 33mSpirit Airlines
Deal found 6/2$426
Thu 7/116:19 pmSTL - SJO
1 stop6h 46mSpirit Airlines
Mon 11/41:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 6/3$430
Sun 7/146:19 pmSTL - SJO
1 stop6h 46mSpirit Airlines
Sat 7/201:40 pmSJO - STL
1 stop27h 54mSpirit Airlines
Deal found 6/2$440
Sun 7/147:24 pmSTL - SJO
3 stops41h 13mSpirit Airlines
Fri 7/1912:55 amSJO - STL
1 stop15h 34mSpirit Airlines
Deal found 6/2$445

Cheap United Airlines flights from St. Louis to Costa Rica

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Costa Rica. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 4, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from St. Louis to Costa Rica. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Wed 6/195:30 amSJO - STL
1 stop9h 55mUnited Airlines
Deal found 6/4$372
Fri 6/146:15 amSTL - SJO
1 stop17h 24mUnited Airlines
Tue 6/185:30 amSJO - STL
1 stop9h 55mUnited Airlines
Deal found 6/3$401
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Wed 6/197:55 amSJO - STL
2 stops30h 46mUnited Airlines
Deal found 6/4$411
Wed 7/106:20 amSTL - SJO
1 stop17h 19mUnited Airlines
Mon 7/155:30 amSJO - STL
1 stop15h 47mUnited Airlines
Deal found 6/3$537
Sun 7/216:20 amSTL - LIR
1 stop6h 50mUnited Airlines
Fri 7/263:27 pmLIR - STL
2 stops22h 09mUnited Airlines
Deal found 6/3$555
Wed 7/106:20 amSTL - LIR
1 stop6h 50mUnited Airlines
Sun 7/1411:20 amLIR - STL
1 stop9h 57mUnited Airlines
Deal found 6/3$625
Tue 7/96:20 amSTL - LIR
1 stop9h 05mUnited Airlines
Wed 7/171:14 pmLIR - STL
1 stop8h 03mUnited Airlines
Deal found 6/2$656
Sun 7/216:20 amSTL - LIR
1 stop9h 05mUnited Airlines
Fri 7/263:27 pmLIR - STL
1 stop24h 01mUnited Airlines
Deal found 6/3$684
Mon 7/86:20 amSTL - LIR
1 stop9h 05mUnited Airlines
Sat 7/131:03 pmLIR - STL
1 stop24h 15mUnited Airlines
Deal found 6/3$741

Cheap St. Louis to Costa Rica flights in June & July 2024

Find cheap flight options from St. Louis to Costa Rica specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Prices were last updated on June 4, 2024.
These are some of the most attractive deals on flights from St. Louis to Costa Rica in 2024. For more flight deals, be sure to check back very soon.
Tue 6/253:23 pmSTL - SJO
1 stop9h 46mSpirit Airlines
Mon 7/112:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 6/4$244
Tue 6/2511:57 amSTL - SJO
2 stops13h 12mSpirit Airlines
Mon 7/112:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 6/4$322
Wed 7/177:33 pmSTL - SJO
1 stop18h 12mMultiple Airlines
Wed 7/2412:32 pmSJO - STL
1 stop27h 57mMultiple Airlines
Deal found 6/4$329
Wed 7/177:33 pmSTL - SJO
2 stops29h 32mMultiple Airlines
Wed 7/2412:32 pmSJO - STL
1 stop27h 57mMultiple Airlines
Deal found 6/4$351
Tue 7/93:23 pmSTL - SJO
1 stop9h 42mSpirit Airlines
Mon 7/1512:32 pmSJO - STL
1 stop19h 54mSpirit Airlines
Deal found 6/3$359
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Wed 6/195:30 amSJO - STL
1 stop9h 55mUnited Airlines
Deal found 6/4$372
Tue 6/2511:57 amSTL - SJO
2 stops13h 12mSpirit Airlines
Mon 7/112:59 amSJO - STL
2 stops8h 58mSpirit Airlines
Deal found 6/4$377
Wed 7/177:33 pmSTL - SJO
2 stops29h 32mMultiple Airlines
Wed 7/2412:32 pmSJO - STL
1 stop27h 57mMultiple Airlines
Deal found 6/3$390
Sun 7/146:19 pmSTL - SJO
1 stop6h 46mSpirit Airlines
Fri 7/1912:55 amSJO - STL
1 stop15h 34mSpirit Airlines
Deal found 6/2$396

St. Louis to Costa Rica 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Costa Rica in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 4, 2024.
These are some of the most attractive deals on flights from St. Louis to Costa Rica in 2024. For more flight deals, be sure to check back very soon.
Tue 6/253:23 pmSTL - SJO
1 stop9h 46mSpirit Airlines
Mon 7/112:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 6/4$244
Tue 9/2410:34 amSTL - SJO
1 stop25h 58mSpirit Airlines
Wed 10/212:32 pmSJO - STL
1 stop27h 58mSpirit Airlines
Deal found 6/4$266
Thu 9/57:48 pmSTL - SJO
1 stop17h 59mSpirit Airlines
Mon 9/912:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 6/3$290
Tue 9/242:35 pmSTL - SJO
2 stops21h 57mSpirit Airlines
Wed 10/212:32 pmSJO - STL
1 stop27h 58mSpirit Airlines
Deal found 6/4$291
Thu 9/57:48 pmSTL - SJO
2 stops16h 44mSpirit Airlines
Mon 9/912:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 6/3$294
Thu 8/155:18 pmSTL - SJO
1 stop7h 47mSpirit Airlines
Fri 8/231:41 pmSJO - STL
1 stop16h 26mSpirit Airlines
Deal found 6/4$320
Tue 6/2511:57 amSTL - SJO
2 stops13h 12mSpirit Airlines
Mon 7/112:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 6/4$322
Wed 7/177:33 pmSTL - SJO
1 stop18h 12mMultiple Airlines
Wed 7/2412:32 pmSJO - STL
1 stop27h 57mMultiple Airlines
Deal found 6/4$329
Wed 7/177:33 pmSTL - SJO
2 stops29h 32mMultiple Airlines
Wed 7/2412:32 pmSJO - STL
1 stop27h 57mMultiple Airlines
Deal found 6/4$351

St. Louis to Costa Rica flights leaving soon

Find last-minute flight options from St. Louis to Costa Rica for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 4, 2024.
Check out these flights departing soon from St. Louis to Costa Rica. It's wise to confirm all flight details are correct before booking.
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Wed 6/195:30 amSJO - STL
1 stop9h 55mUnited Airlines
Deal found 6/4$372
Fri 6/146:15 amSTL - SJO
1 stop17h 24mUnited Airlines
Tue 6/185:30 amSJO - STL
1 stop9h 55mUnited Airlines
Deal found 6/3$401
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Wed 6/197:55 amSJO - STL
2 stops30h 46mUnited Airlines
Deal found 6/4$411
Fri 6/147:44 pmSTL - SJO
1 stop18h 01mMultiple Airlines
Mon 6/1712:59 amSJO - STL
2 stops29h 26mMultiple Airlines
Deal found 6/3$427
Fri 6/147:44 pmSTL - SJO
1 stop18h 01mMultiple Airlines
Mon 6/1712:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 6/3$437
Fri 6/142:00 pmSTL - SJO
3 stops23h 45mMultiple Airlines
Mon 6/1712:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 6/3$508
Fri 6/142:00 pmSTL - SJO
3 stops23h 45mMultiple Airlines
Mon 6/1712:59 amSJO - STL
2 stops8h 58mMultiple Airlines
Deal found 6/3$521
Wed 6/125:38 pmSTL - SJO
2 stops19h 12mAmerican Airlines
Wed 6/192:15 pmSJO - STL
2 stops19h 17mAmerican Airlines
Deal found 6/4$529
Fri 6/142:00 pmSTL - SJO
3 stops23h 45mMultiple Airlines
Mon 6/1712:59 amSJO - STL
3 stops35h 06mMultiple Airlines
Deal found 6/3$579

One-way flights to Costa Rica from St. Louis

Search for one-way flight options from St. Louis to Costa Rica. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 4, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Costa Rica. Users in need of a round-trip flight from St. Louis to Costa Rica instead should update the search form at the top of page.
Wed 8/147:57 amSTL - SJO
2 stops17h 08mSpirit Airlines
Deal found 6/4$151
Sun 8/116:00 amSTL - SJO
1 stop6h 43mDelta
Deal found 6/3$165
Sun 8/117:24 pmSTL - SJO
2 stops17h 13mSpirit Airlines
Deal found 6/3$191
Wed 6/128:16 amSTL - SJO
2 stops16h 53mMultiple Airlines
Deal found 6/3$254
Wed 6/128:16 amSTL - SJO
1 stop29h 29mMultiple Airlines
Deal found 6/3$255
Wed 6/121:55 pmSTL - SJO
3 stops35h 14mSpirit Airlines
Deal found 6/3$258
Sun 7/76:09 pmSTL - LIR
2 stops19h 51mAmerican Airlines
Deal found 6/3$261
Sun 7/75:29 amSTL - LIR
1 stop7h 17mAmerican Airlines
Deal found 6/3$342

Find flights from St. Louis to Costa Rica within your budget

Customize your flight search to find flights from St. Louis to Costa Rica 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 3,009,960 searches. Data last updated June 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$359 - $413

Route

Depart

Return

Price

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Tue 7/9

1 stop9h 42m

San José Juan Santamaria Intl

Mon 7/15

1 stop19h 54m

$359

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Wed 6/12

1 stop14h 44m

San José Juan Santamaria Intl

Wed 6/19

1 stop9h 55m

$372

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Tue 7/9

2 stops13h 08m

San José Juan Santamaria Intl

Mon 7/15

1 stop19h 54m

$377

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Thu 8/1

1 stop18h 18m

San José Juan Santamaria Intl

Thu 8/29

1 stop16h 21m

$380

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Wed 7/17

2 stops29h 32m

San José Juan Santamaria Intl

Wed 7/24

1 stop27h 57m

$390

Lambert-St LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 10/14

1 stop6h 43m

Liberia

Wed 10/23

1 stop9h 22m

$399

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Sat 8/31

1 stop22h 07m

San José Juan Santamaria Intl

Sat 9/7

2 stops20h 13m

$400

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Fri 6/14

1 stop17h 24m

San José Juan Santamaria Intl

Tue 6/18

1 stop9h 55m

$401

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Sat 8/31

2 stops13h 43m

San José Juan Santamaria Intl

Sat 9/7

2 stops19h 23m

$413

Flights are sorted by cheapest first

Deals found on 6/3

No data available for this route at this time. Please check back soon.

Best time to book a flight from St. Louis to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated June 4, 2024.
Read reviews from past customers who have flown Spirit Airlines, United Airlines and American Airlines from St. Louis to Costa Rica. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,214 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,214 reviews
Alaska Airlines
8.1
Very good
9,214 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,377 reviews
Alaska Airlines
8.1
Very good
9,214 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Avianca
7.5
Good
3,615 reviews
Alaska Airlines
8.1
Very good
9,214 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,732 reviews
Alaska Airlines
8.1
Very good
9,214 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,237 reviews
Alaska Airlines
8.1
Very good
9,214 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Costa Rica?

    If you book a flight to Costa Rica from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • Can I find flights from St. Louis to Costa Rica for under $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Costa Rica for under $400. The cheapest flight booked recently is on Spirit Airlines for just $359, but on average you can expect to pay $404.

  • Are there last-minute flights available from St. Louis to Costa Rica for under $400?

    There are currently 14+ open flights from St. Louis to Costa Rica within the next 7 days for less than $400.

  • What are the cheapest airlines to fly from St. Louis to Costa Rica one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $151. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from St. Louis to Costa Rica for a low price.

  • What does STL to SJO mean?

    STL and SJO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to SJO refers to a flight route from Lambert-St Louis Airport to San José Juan Santamaria Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Liberia Airport (LIR), Limon Airport (LIO), San José Tobias Bolanos Intl Airport (SYQ), Tamarindo Airport (TNO), Buenos Aires Airport (BAI).

  • Can I find deals for flights from St. Louis to Costa Rica that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Costa Rica flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Costa Rica with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Costa Rica flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from St. Louis to Costa Rica?

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

  • Can I find deals for business class flights from St. Louis to Costa Rica?

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

  • Can I find deals for flights from St. Louis to Costa Rica that allow pets onboard?

    Many airlines flying from St. Louis to Costa Rica offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Costa Rica?

    Yes, you can often find last-minute deals on St. Louis to Costa Rica flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Costa Rica flight deals updated?

    The St. Louis to Costa Rica flight deals you see on this page were last updated on 6/4.

  • What are the most popular airlines that fly from St. Louis to Costa Rica?

    When booking a flight from St. Louis to Costa Rica, you may want to consider flying on American Airlines, Air Canada or Alaska Airlines as they are the most popular for this route.

  • What is the cheapest month to book a flight from St. Louis to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Costa Rica (average of $383). Flying from St. Louis to Costa Rica in July is currently the most expensive (average of $519). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Panama City flights
Kansas City to San José flights
St. Louis to San José flights
St. Louis to Panama City flights
St. Louis to Philip S.W.Goldson flights
Kansas City to Philip S.W.Goldson flights
St. Louis to Liberia flights
Kansas City to Guatemala City flights
Kansas City to San Salvador flights
Kansas City to Liberia flights
Kansas City to Coxen Hole flights
Kansas City to San Pedro Sula flights
St. Louis to Guatemala City flights
Kansas City to Managua flights
St. Louis to Coxen Hole flights
Springfield to Philip S.W.Goldson flights
Springfield to San José flights
St. Louis to San Pedro Sula flights
Columbia to Liberia flights
Springfield to Guatemala City flights
St. Louis to Managua flights
Springfield to Coxen Hole flights
St. Louis to Tegucigalpa flights
Springfield to Panama City flights
Kansas City to Tegucigalpa flights

Top 6 airlines flying from St. Louis to Costa Rica

Discover the top 6 airlines that operate flights from St. Louis to Costa Rica. 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 3,009,960 searches. Data last updated June 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$260Average$341FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$396Average$646FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$396Average$589FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$418Average$596FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$566Average$762FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapest$650Average$961FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
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Search flights from St. Louis to Costa Rica by cabin class

Find flights from St. Louis to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Costa Rica?

Cheapflights makes it easy to find St. Louis to Costa Rica flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Costa Rica?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from St. Louis.

Can Cheapflights find flights from St. Louis to Costa Rica with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Costa Rica flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Costa Rica become cheaper?

Of course! You can now track prices for flights from St. Louis to Costa Rica and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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