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Cheap flights from Missouri to Costa Rica from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Costa Rica departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missouri to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:49 pm - 11:40 am
STL
-
SJO
19h 51m
1 stop
Multiple Airlines Logo
11:35 am - 11:19 pm
SJO
-
STL
10h 44m
1 stop
$282Multiple Airlines
Mon, Mar 2 - Tue, Mar 10
Multiple Airlines Logo
8:22 pm - 12:22 pm
STL
-
SJO
16h 00m
2 stops
Multiple Airlines Logo
11:35 am - 11:19 pm
SJO
-
STL
10h 44m
1 stop
$291Multiple Airlines
Mon, Mar 2 - Tue, Mar 10
United Airlines Logo
6:00 am - 6:37 pm
STL
-
LIR
12h 37m
1 stop
United Airlines Logo
2:01 pm - 10:59 pm
LIR
-
STL
8h 58m
1 stop
$308United Airlines
Sun, Feb 22 - Thu, Feb 26
Spirit Airlines Logo
4:24 pm - 11:40 am
MCI
-
SJO
19h 16m
1 stop
Spirit Airlines Logo
12:19 pm - 11:29 am
SJO
-
MCI
22h 10m
1 stop
$319Spirit Airlines
Wed, Mar 4 - Thu, Mar 12
Spirit Airlines Logo
4:24 pm - 11:40 am
MCI
-
SJO
19h 16m
1 stop
Spirit Airlines Logo
11:35 am - 3:29 pm
SJO
-
MCI
26h 54m
1 stop
$324Spirit Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
6:20 pm - 12:10 pm
STL
-
LIR
17h 50m
1 stop
American Airlines Logo
3:29 pm - 8:55 am
LIR
-
STL
17h 26m
1 stop
$325American Airlines
Sun, Feb 22 - Thu, Feb 26
American Airlines Logo
5:14 am - 2:13 pm
STL
-
LIR
8h 59m
1 stop
American Airlines Logo
3:29 pm - 8:55 am
LIR
-
STL
17h 26m
1 stop
$328American Airlines
Sun, Mar 1 - Fri, Mar 6
United Airlines Logo
6:00 am - 12:10 pm
STL
-
LIR
7h 10m
1 stop
United Airlines Logo
3:27 pm - 9:30 am
LIR
-
STL
17h 03m
1 stop
$335United Airlines
Sun, Apr 26 - Fri, May 1
Delta Logo
7:00 am - 10:02 pm
MCI
-
SJO
15h 02m
1 stop
Delta Logo
7:00 am - 11:40 pm
SJO
-
MCI
16h 40m
1 stop
$349Delta
Wed, Feb 25 - Wed, Mar 4
Delta Logo
7:00 am - 2:15 pm
MCI
-
LIR
7h 15m
1 stop
Delta Logo
2:45 pm - 11:00 pm
LIR
-
MCI
8h 15m
1 stop
$379Delta
Thu, Feb 26 - Tue, Mar 3

Spirit Airlines flights from Missouri to Costa Rica

Our best Spirit Airlines deals on Missouri to Costa Rica flight tickets
Spirit Airlines
Mar 4
MCI4:24 pmKansas City
19h 16m
1 stop
SJO11:40 amSan José Juan Santamaria Intl
Mar 12
SJO12:19 pmSan José Juan Santamaria Intl
22h 10m
1 stop
MCI11:29 amKansas City
$319
Spirit Airlines
Mar 3
MCI4:24 pmKansas City
19h 16m
1 stop
SJO11:40 amSan José Juan Santamaria Intl
Mar 10
SJO11:35 amSan José Juan Santamaria Intl
26h 54m
1 stop
MCI3:29 pmKansas City
$324
Spirit Airlines
Apr 14
MCI12:24 pmKansas City
23h 58m
1 stop
SJO11:22 amSan José Juan Santamaria Intl
Apr 22
SJO12:31 pmSan José Juan Santamaria Intl
21h 36m
1 stop
MCI11:07 amKansas City
$328

American Airlines flights from Missouri to Costa Rica

Our best American Airlines deals on Missouri to Costa Rica flight tickets
American Airlines
Feb 22
STL6:20 pmLambert-St Louis
17h 50m
1 stop
LIR12:10 pmLiberia
Feb 26
LIR3:29 pmLiberia
17h 26m
1 stop
STL8:55 amLambert-St Louis
$325
American Airlines
Mar 1
STL5:14 amLambert-St Louis
8h 59m
1 stop
LIR2:13 pmLiberia
Mar 6
LIR3:29 pmLiberia
17h 26m
1 stop
STL8:55 amLambert-St Louis
$328
American Airlines
Feb 22
STL5:14 amLambert-St Louis
6h 56m
1 stop
LIR12:10 pmLiberia
Feb 26
LIR3:13 pmLiberia
17h 28m
2 stops
STL8:41 amLambert-St Louis
$330

momondo 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Missouri to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Mon 3/2

3:49 pm-11:40 am

1 stop19h 51m

San José Juan Santamaria Intl

Tue 3/10

11:35 am-11:19 pm

1 stop10h 44m

$282

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Mon 3/2

8:22 pm-12:22 pm

2 stops16h 00m

San José Juan Santamaria Intl

Tue 3/10

11:35 am-11:19 pm

1 stop10h 44m

$291

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 2/22

6:00 am-6:37 pm

1 stop12h 37m

Liberia

Thu 2/26

2:01 pm-10:59 pm

1 stop8h 58m

$308

Kansas CitySan José

MCI - SJO

MCISJO

Kansas City

Wed 3/4

4:24 pm-11:40 am

1 stop19h 16m

San José Juan Santamaria Intl

Thu 3/12

12:19 pm-11:29 am

1 stop22h 10m

$319

Kansas CitySan José

MCI - SJO

MCISJO

Kansas City

Tue 3/3

4:24 pm-11:40 am

1 stop19h 16m

San José Juan Santamaria Intl

Tue 3/10

11:35 am-3:29 pm

1 stop26h 54m

$324

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 2/22

6:20 pm-12:10 pm

1 stop17h 50m

Liberia

Thu 2/26

3:29 pm-8:55 am

1 stop17h 26m

$325

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 3/1

5:14 am-2:13 pm

1 stop8h 59m

Liberia

Fri 3/6

3:29 pm-8:55 am

1 stop17h 26m

$328

St. LouisLiberia

STL - LIR

STLLIR

Lambert-St Louis

Sun 4/26

6:00 am-12:10 pm

1 stop7h 10m

Liberia

Fri 5/1

3:27 pm-9:30 am

1 stop17h 03m

$335

Kansas CitySan José

MCI - SJO

MCISJO

Kansas City

Wed 2/25

7:00 am-10:02 pm

1 stop15h 02m

San José Juan Santamaria Intl

Wed 3/4

7:00 am-11:40 pm

1 stop16h 40m

$349

Kansas CityLiberia

MCI - LIR

MCILIR

Kansas City

Thu 2/26

7:00 am-2:15 pm

1 stop7h 15m

Liberia

Tue 3/3

2:45 pm-11:00 pm

1 stop8h 15m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from Missouri to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Missouri is in October. Flight prices, which tend to average around $417, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from Missouri to Costa Rica during September average around $435.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $561 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Missouri for as low as $427 on momondo.

Can stopping save me money on Missouri to Costa Rica flights?

You could potentially save up to 19% on your flight if you consider stops on a Missouri to Costa Rica flight.

Cheap Missouri to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Costa Rica

Fastest flight time

6h 56m

Direct flights

None
The fastest flight from Missouri to Costa Rica takes 6h 56m
There are no direct flights from Missouri to Costa Rica. There are no popular flight routes from Missouri to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Costa Rica?

    Prices for flights from Missouri to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from Missouri to Costa Rica?

  • How old do you have to be to fly from Missouri to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Costa Rica

Compare and see reviews for airlines that fly from Missouri to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $209Free CancellationRating
7.9
8,146 reviews
Search Delta flights
Spirit AirlinesPriceFrom $272Free CancellationRating
6.3
8,411 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
SouthwestPriceFrom $366Free CancellationRating
8.0
4,274 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Costa Rica?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Costa Rica for you.

Can I find flights from Missouri to Costa Rica with flexible booking policies on momondo?

Flights from Missouri to Costa Rica with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Missouri to Costa Rica?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Costa Rica.

I’m not ready to book a flight from Missouri to Costa Rica right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Missouri and alert you when they change.

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