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Costa Rica

$127+ Cheap flights from Missouri to Costa Rica

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJO
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Missouri to Costa Rica

Keep the following information in mind while searching for Missouri to Costa Rica flight deals. Data was last updated July 1, 2025.

Round-trip from

$286
(Delta)

One-way from

$127
(Southwest)

Popular in

December

Cheapest in

August

Average price

$597
From Missouri to Costa Rica
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One-way flight from Missouri to Costa Rica
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Highest demand for flights based on searches. 10% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Missouri to Costa Rica

Cheapest flights from Missouri to Costa Rica
Explore the most affordable flight options available from Missouri to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 9/156:04 amSTL - SJO
1 stop7h 04mDelta
Tue 9/231:35 pmSJO - STL
1 stop7h 25mDelta
Deal found 6/30$286
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 9/155:28 amSTL - SJO
1 stop15h 14mAmerican Airlines
Tue 9/237:27 amSJO - STL
2 stops13h 26mAmerican Airlines
Deal found 6/29$290
This Southwest deal was found by Cheapflights users on 6/30. 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.
Tue 11/45:40 amMCI - SJO
1 stop7h 35mSouthwest
Wed 11/122:15 pmSJO - MCI
1 stop8h 40mSouthwest
Deal found 6/30$300
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 9/66:26 pmMCI - SJO
2 stops17h 46mAmerican Airlines
Fri 9/127:27 amSJO - MCI
2 stops12h 16mAmerican Airlines
Deal found 6/30$304
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/138:00 amSTL - SJO
2 stops12h 37mUnited Airlines
Wed 8/207:55 amSJO - STL
1 stop10h 03mUnited Airlines
Deal found 6/29$313
This United Airlines deal was found by Cheapflights users on 6/29. 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 9/176:15 amSTL - LIR
1 stop6h 55mUnited Airlines
Tue 9/301:20 pmLIR - STL
1 stop7h 39mUnited Airlines
Deal found 6/29$314
This American Airlines deal was found by Cheapflights users on 6/30. 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 10/36:00 pmSTL - LIR
2 stops18h 49mAmerican Airlines
Wed 10/812:45 pmLIR - STL
1 stop10h 11mAmerican Airlines
Deal found 6/30$319
This Southwest deal was found by Cheapflights users on 7/1. 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.
Sun 11/99:50 amSTL - SJO
1 stop10h 40mSouthwest
Sun 11/162:10 pmSJO - STL
1 stop8h 35mSouthwest
Deal found 7/1$333
This FlightHub deal was found by Cheapflights users on 7/1. 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.
Fri 8/156:00 amMCI - SJO
1 stop29h 32mSpirit Airlines
Fri 8/2211:27 amSJO - MCI
1 stop10h 26mSpirit Airlines
Deal found 7/1$381
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/135:40 pmSTL - SJO
1 stop17h 52mMultiple Airlines
Wed 8/2012:18 pmSJO - STL
1 stop20h 22mMultiple Airlines
Deal found 6/29$395
This American Airlines deal was found by Cheapflights users on 6/29. 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 8/177:00 amMCI - LIR
1 stop6h 59mAmerican Airlines
Fri 8/222:00 pmLIR - MCI
1 stop7h 48mAmerican Airlines
Deal found 6/29$425
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Sat 7/193:34 pmSTL - SJO
1 stop20h 37mSpirit Airlines
Mon 7/2812:16 pmSJO - STL
1 stop27h 15mSpirit Airlines
Deal found 6/30$431

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri 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 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Missouri to Costa Rica that are best for you.

Fly from

Missouri

Fly to

Costa Rica

Route

Depart

Return

Price

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Mon 9/15

6:04 am-12:08 pm

1 stop7h 04m

San José Juan Santamaria Intl

Tue 9/23

1:35 pm-10:00 pm

1 stop7h 25m

$286

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Mon 9/15

5:28 am-7:42 pm

1 stop15h 14m

San José Juan Santamaria Intl

Tue 9/23

7:27 am-9:53 pm

2 stops13h 26m

$290

Kansas CitySan José

MCI - SJO

MCISJO

Kansas City

Tue 11/4

5:40 am-1:15 pm

1 stop7h 35m

San José Juan Santamaria Intl

Wed 11/12

2:15 pm-10:55 pm

1 stop8h 40m

$300

Kansas CitySan José

MCI - SJO

MCISJO

Kansas City

Sat 9/6

6:26 pm-11:12 am

2 stops17h 46m

San José Juan Santamaria Intl

Fri 9/12

7:27 am-8:43 pm

2 stops12h 16m

$304

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Wed 8/13

8:00 am-7:37 pm

2 stops12h 37m

San José Juan Santamaria Intl

Wed 8/20

7:55 am-6:58 pm

1 stop10h 03m

$313

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Wed 9/17

6:15 am-12:10 pm

1 stop6h 55m

Liberia

Tue 9/30

1:20 pm-9:59 pm

1 stop7h 39m

$314

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Fri 10/3

6:00 pm-11:49 am

2 stops18h 49m

Liberia

Wed 10/8

12:45 pm-11:56 pm

1 stop10h 11m

$319

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Sat 7/19

5:30 am-12:15 pm

1 stop7h 45m

San José Juan Santamaria Intl

Fri 7/25

8:45 am-11:25 pm

1 stop13h 40m

$369

Kansas CitySan José

MCI - SJO

MCISJO

Kansas City

Fri 8/15

6:00 am-10:32 am

1 stop29h 32m

San José Juan Santamaria Intl

Fri 8/22

11:27 am-10:53 pm

1 stop10h 26m

$381

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Wed 8/13

5:40 pm-10:32 am

1 stop17h 52m

San José Juan Santamaria Intl

Wed 8/20

12:18 pm-9:40 am

1 stop20h 22m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 39 results
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Best time to book a flight from Missouri to Costa Rica

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

Cheapflights Insights

Everything you need to know about your flight from Missouri to Costa Rica

What is the cheapest month to book a flight from Missouri to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Missouri to Costa Rica (average of $398). Flying from Missouri to Costa Rica 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 MO to CR?

Find hourly flight availability from Missouri to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Costa Rica as you normally would.

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 July 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Missouri to Costa Rica have to say. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri 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 are the cheapest airlines to fly from Missouri to Costa Rica one-way?

    $127 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $133 and $176, respectively.

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

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

  • How can I find direct flights from Missouri to Costa Rica?

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

  • Can I find deals for business class flights from Missouri to Costa Rica?

    Yes. Cheapflights offers flight deals from Missouri 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.

  • What is the cheapest month to book a flight from Missouri to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Missouri to Costa Rica (average of $398). Flying from Missouri to Costa Rica 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

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Alternative routes for Missouri to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Missouri to Costa Rica

Discover the top 5 airlines that operate flights from Missouri 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 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$579FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$263Average$392FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$348Average$656FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$381Average$650FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$396Average$651FlexibilityNo cancel feeOn-time69%

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