Cheap flights from St. Louis (STL) to Costa Rica from $164

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 8/11. 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 4 — Jun 111

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 $590 on average during September, but can be found for as low as $284.

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 2,765,679 searches. Data last updated May 30, 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 9/2410:34 amSTL - SJO
1 stop25h 58mSpirit Airlines
Wed 10/21:45 pmSJO - STL
1 stop7h 29mSpirit Airlines
Deal found 5/29$275
Thu 9/57:48 pmSTL - SJO
1 stop17h 59mSpirit Airlines
Mon 9/912:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 5/29$290
Thu 9/57:48 pmSTL - SJO
2 stops16h 44mSpirit Airlines
Mon 9/912:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 5/29$294
Tue 9/242:35 pmSTL - SJO
2 stops21h 57mSpirit Airlines
Wed 10/21:45 pmSJO - STL
1 stop7h 29mSpirit Airlines
Deal found 5/29$300
Tue 6/1811:57 amSTL - SJO
2 stops13h 12mSpirit Airlines
Mon 6/2412:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 5/30$301
Tue 6/183:23 pmSTL - SJO
1 stop9h 46mSpirit Airlines
Mon 6/2412:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 5/30$302
Thu 9/57:48 pmSTL - SJO
2 stops16h 44mSpirit Airlines
Mon 9/91:45 pmSJO - STL
2 stops18h 54mSpirit Airlines
Deal found 5/29$311
Sat 9/146:24 pmSTL - SJO
1 stop18h 08mSpirit Airlines
Sat 9/2112:32 pmSJO - STL
1 stop27h 58mSpirit Airlines
Deal found 5/29$321
Sat 6/296:22 pmSTL - SJO
1 stop6h 47mSpirit Airlines
Mon 7/812:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 5/29$333

Cheap American Airlines flights from St. Louis to Costa Rica

Explore cheap flight options specifically provided by American 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 2,765,679 searches. Data last updated May 30, 2024.
Take a gander at the lowest prices we've found on American 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.
Mon 8/127:00 amSTL - SJO
1 stop7h 20mAmerican Airlines
Tue 8/202:20 pmSJO - STL
1 stop16h 59mAmerican Airlines
Deal found 5/30$365
Wed 8/217:00 amSTL - SJO
1 stop7h 20mAmerican Airlines
Thu 8/222:25 pmSJO - STL
1 stop7h 59mAmerican Airlines
Deal found 5/29$367
Tue 9/246:10 pmSTL - SJO
2 stops20h 04mAmerican Airlines
Wed 10/22:19 pmSJO - STL
2 stops17h 02mAmerican Airlines
Deal found 5/29$371
Sat 9/143:52 pmSTL - SJO
2 stops20h 43mAmerican Airlines
Sat 9/211:55 pmSJO - STL
2 stops20h 13mAmerican Airlines
Deal found 5/29$391
Sat 9/216:09 pmSTL - SJO
2 stops19h 46mAmerican Airlines
Sat 9/2812:40 pmSJO - STL
2 stops19h 12mAmerican Airlines
Deal found 5/29$393
Tue 11/125:36 amSTL - LIR
1 stop8h 46mAmerican Airlines
Tue 11/193:03 pmLIR - STL
1 stop25h 05mAmerican Airlines
Deal found 5/30$397
Fri 8/95:30 amSTL - LIR
1 stop8h 53mAmerican Airlines
Thu 8/152:23 pmLIR - STL
1 stop8h 00mAmerican Airlines
Deal found 5/29$416
Fri 8/25:22 amSTL - SJO
1 stop8h 58mAmerican Airlines
Thu 8/82:20 pmSJO - STL
1 stop16h 59mAmerican Airlines
Deal found 5/29$420
Mon 11/117:40 amSTL - SJO
2 stops30h 14mAmerican Airlines
Tue 11/196:34 amSJO - STL
1 stop26h 20mAmerican Airlines
Deal found 5/30$421

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

Find cheap flight options from St. Louis to Costa Rica specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,765,679 searches. Prices were last updated on May 30, 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.
Thu 6/136:22 pmSTL - SJO
1 stop6h 47mSpirit Airlines
Sat 6/1512:59 amSJO - STL
1 stop14h 33mSpirit Airlines
Deal found 5/29$321
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Sun 6/165:30 amSJO - STL
1 stop15h 45mUnited Airlines
Deal found 5/29$322
Sat 6/296:22 pmSTL - SJO
1 stop6h 47mSpirit Airlines
Mon 7/812:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 5/29$333
Sun 6/165:22 pmSTL - SJO
1 stop19h 15mSpirit Airlines
Fri 6/2112:59 amSJO - STL
1 stop15h 29mSpirit Airlines
Deal found 5/29$343
Thu 6/136:22 pmSTL - SJO
1 stop6h 47mSpirit Airlines
Sat 6/1512:59 amSJO - STL
2 stops16h 06mSpirit Airlines
Deal found 5/29$363
Tue 6/412:00 pmSTL - SJO
3 stops37h 09mMultiple Airlines
Mon 6/1012:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 5/29$372
Sun 6/165:22 pmSTL - SJO
2 stops20h 23mSpirit Airlines
Fri 6/2112:59 amSJO - STL
1 stop15h 29mSpirit Airlines
Deal found 5/29$373
Tue 6/47:44 pmSTL - SJO
2 stops29h 25mMultiple Airlines
Mon 6/1012:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 5/29$386
Wed 6/128:16 amSTL - SJO
2 stops16h 53mMultiple Airlines
Sat 6/1512:59 amSJO - STL
1 stop14h 33mMultiple Airlines
Deal found 5/29$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 2,765,679 searches. Data last updated May 30, 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 9/2410:34 amSTL - SJO
1 stop25h 58mSpirit Airlines
Wed 10/21:45 pmSJO - STL
1 stop7h 29mSpirit Airlines
Deal found 5/29$275
Thu 9/57:48 pmSTL - SJO
1 stop17h 59mSpirit Airlines
Mon 9/912:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 5/29$290
Thu 9/57:48 pmSTL - SJO
2 stops16h 44mSpirit Airlines
Mon 9/912:32 pmSJO - STL
1 stop20h 07mSpirit Airlines
Deal found 5/29$294
Tue 9/242:35 pmSTL - SJO
2 stops21h 57mSpirit Airlines
Wed 10/21:45 pmSJO - STL
1 stop7h 29mSpirit Airlines
Deal found 5/29$300
Wed 8/214:31 pmSTL - SJO
2 stops20h 01mMultiple Airlines
Thu 8/221:45 pmSJO - STL
1 stop16h 17mMultiple Airlines
Deal found 5/29$309
Thu 9/57:48 pmSTL - SJO
2 stops16h 44mSpirit Airlines
Mon 9/91:45 pmSJO - STL
2 stops18h 54mSpirit Airlines
Deal found 5/29$311
Sat 9/146:24 pmSTL - SJO
1 stop18h 08mSpirit Airlines
Sat 9/2112:32 pmSJO - STL
1 stop27h 58mSpirit Airlines
Deal found 5/29$321
Wed 6/128:55 amSTL - SJO
1 stop14h 44mUnited Airlines
Sun 6/165:30 amSJO - STL
1 stop15h 45mUnited Airlines
Deal found 5/29$322
Sat 6/296:22 pmSTL - SJO
1 stop6h 47mSpirit Airlines
Mon 7/812:59 amSJO - STL
1 stop12h 24mSpirit Airlines
Deal found 5/29$333

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 2,765,679 searches. Data last updated May 30, 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.
Tue 6/412:00 pmSTL - SJO
3 stops37h 09mMultiple Airlines
Mon 6/1012:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 5/29$372
Tue 6/47:44 pmSTL - SJO
2 stops29h 25mMultiple Airlines
Mon 6/1012:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 5/29$386
Tue 6/412:00 pmSTL - SJO
3 stops37h 09mMultiple Airlines
Mon 6/1012:59 amSJO - STL
2 stops8h 58mMultiple Airlines
Deal found 5/29$402
Tue 6/47:44 pmSTL - SJO
1 stop18h 01mMultiple Airlines
Mon 6/1012:59 amSJO - STL
1 stop12h 24mMultiple Airlines
Deal found 5/29$419
Tue 6/48:55 amSTL - SJO
1 stop11h 42mUnited Airlines
Tue 6/117:55 amSJO - STL
1 stop13h 20mUnited Airlines
Deal found 5/29$449
Tue 6/47:44 pmSTL - SJO
2 stops16h 53mMultiple Airlines
Tue 6/111:42 pmSJO - STL
1 stop16h 43mMultiple Airlines
Deal found 5/29$461
Tue 6/47:44 pmSTL - SJO
1 stop18h 01mMultiple Airlines
Tue 6/111:42 pmSJO - STL
1 stop16h 43mMultiple Airlines
Deal found 5/29$490
Tue 6/42:35 pmSTL - SJO
2 stops22h 02mSpirit Airlines
Wed 6/512:59 amSJO - STL
1 stop15h 29mSpirit Airlines
Deal found 5/29$504
Tue 6/410:34 amSTL - SJO
1 stop26h 03mSpirit Airlines
Wed 6/512:59 amSJO - STL
1 stop15h 29mSpirit Airlines
Deal found 5/29$525

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 2,765,679 searches. Data last updated May 30, 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.
Sun 8/115:30 amSTL - SJO
1 stop8h 50mAmerican Airlines
Deal found 5/30$164
Sun 8/117:12 amSTL - SJO
2 stops13h 43mAmerican Airlines
Deal found 5/30$171
Tue 10/16:00 amSTL - LIR
1 stop6h 43mDelta
Deal found 5/29$184
Sun 7/76:09 pmSTL - LIR
2 stops19h 51mAmerican Airlines
Deal found 5/29$189
Wed 10/26:10 pmSTL - LIR
2 stops20h 00mAmerican Airlines
Deal found 5/29$209
Tue 10/17:30 amSTL - LIR
2 stops29h 10mAmerican Airlines
Deal found 5/29$220
Mon 7/157:33 pmSTL - SJO
2 stops29h 32mMultiple Airlines
Deal found 5/29$220
Mon 7/1512:00 pmSTL - SJO
3 stops37h 05mMultiple Airlines
Deal found 5/29$233
Sun 6/236:00 amSTL - LIR
2 stops31h 50mAmerican Airlines
Deal found 5/29$237

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 2,765,679 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$275 - $502

Route

Depart

Return

Price

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Tue 9/24

1 stop25h 58m

San José Juan Santamaria Intl

Wed 10/2

1 stop7h 29m

$275

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Thu 9/5

1 stop17h 59m

San José Juan Santamaria Intl

Mon 9/9

1 stop20h 07m

$290

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Thu 9/5

2 stops16h 44m

San José Juan Santamaria Intl

Mon 9/9

1 stop20h 07m

$294

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Tue 9/24

2 stops21h 57m

San José Juan Santamaria Intl

Wed 10/2

1 stop7h 29m

$300

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Wed 8/21

2 stops20h 01m

San José Juan Santamaria Intl

Thu 8/22

1 stop16h 17m

$309

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Wed 6/12

1 stop14h 44m

San José Juan Santamaria Intl

Sun 6/16

1 stop15h 45m

$322

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Mon 8/12

1 stop7h 20m

San José Juan Santamaria Intl

Tue 8/20

1 stop16h 59m

$365

Lambert-St LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Mon 8/5

1 stop6h 39m

Liberia

Thu 8/15

1 stop26h 16m

$406

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Wed 6/12

2 stops24h 50m

San José Juan Santamaria Intl

Sun 6/16

2 stops35h 23m

$502

Flights are sorted by cheapest first

Deals found on 5/29

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 May 30, 2024.
Read reviews from past customers who have flown Spirit Airlines, American Airlines and United 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.
8.0
Very good
10,457 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,457 reviews
8.0
Very good
10,457 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
2,617 reviews
8.0
Very good
10,457 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
3,644 reviews
8.0
Very good
10,457 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,777 reviews
8.0
Very good
10,457 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,284 reviews
8.0
Very good
10,457 reviews

Overall

8.0

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Costa Rica for under $300. The cheapest flight booked recently is on Spirit Airlines for just $275, but on average you can expect to pay $331.

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

    There are currently 20+ 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 American Airlines, with whom users have recently found tickets for as low as $164. However, be on the lookout for offers from Delta and United 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 5/29.

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

  • 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 $385). Flying from St. Louis to Costa Rica in July is currently the most expensive (average of $524). 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

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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 2,765,679 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$261Average$347FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$396Average$594FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$418Average$596FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$428Average$650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$566Average$762FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapest$650Average$961FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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.

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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