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Cheap flights from St. Louis to Costa Rica from $218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Costa Rica departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Costa Rica

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Costa Rica that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Costa Rica.

Cheap last minute flights

Planning a quick getaway from St. Louis to Costa Rica? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Costa Rica, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Costa Rica

Find recent round-trip train or bus tickets from St. Louis to Costa Rica.

All round-trip flight deals to Costa Rica

The cheapest plane tickets to Costa Rica found on KAYAK recently.
3:48 pm - 12:59 amSTL-SJO
9h 11m1 stop
1:57 am - 2:43 pmSJO-STL
12h 46m1 stop
$326Spirit Airlines
Find Deal
Tue, Jan 28 - Mon, Feb 3
3:48 pm - 11:18 amSTL-SJO
43h 30m2 stops
1:25 pm - 2:42 pmSJO-STL
25h 17m1 stop
$334Spirit Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 12
3:48 pm - 12:59 amSTL-SJO
9h 11m1 stop
1:57 am - 2:43 pmSJO-STL
12h 46m1 stop
$346Spirit Airlines
Find Deal
Tue, Feb 4 - Mon, Feb 10
5:13 am - 9:19 pmSTL-SJO
16h 06m1 stop
12:59 am - 10:38 amSJO-STL
9h 39m1 stop
$396American Airlines
Find Deal
Fri, Feb 28 - Thu, Mar 6
7:00 am - 11:09 pmSTL-SJO
16h 09m1 stop
6:00 am - 5:22 pmSJO-STL
11h 22m2 stops
$441American Airlines
Find Deal
Mon, Jan 20 - Tue, Jan 28
6:15 am - 12:26 pmSTL-SJO
7h 11m1 stop
1:30 pm - 10:27 amSJO-STL
19h 57m1 stop
$511United Airlines
Find Deal
Sun, Jun 1 - Fri, Jun 6
6:15 am - 12:26 pmSTL-SJO
7h 11m1 stop
5:30 am - 12:20 pmSJO-STL
29h 50m2 stops
$531United Airlines
Find Deal
Sun, Jun 1 - Fri, Jun 6
6:00 am - 12:42 pmSTL-LIR
6h 42m1 stop
2:21 pm - 11:14 pmLIR-STL
8h 53m1 stop
$580Delta
Find Deal
Wed, Jan 8 - Tue, Jan 14
5:25 am - 12:55 pmSTL-SJO
8h 30m1 stop
1:55 pm - 11:20 pmSJO-STL
8h 25m1 stop
$659Southwest
Find Deal
Fri, Apr 4 - Sun, Apr 6
5:40 am - 12:35 pmSTL-SJO
7h 55m1 stop
8:45 am - 10:00 pmSJO-STL
12h 15m2 stops
$683Southwest
Find Deal
Sat, Apr 19 - Sat, Apr 26
6:29 pm - 12:30 pmSTL-LIR
18h 01m1 stop
$218American Airlines
Find Deal
Thu, Jan 30
2:49 pm - 5:02 pmSTL-LIR
26h 13m3 stops
$343Alaska Airlines
Find Deal
Thu, Jan 30
6:00 am - 1:59 pmSTL-LIR
7h 59m1 stop
3:30 pm - 11:51 pmLIR-STL
8h 21m1 stop
$693American Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
5:03 am - 1:59 pmSTL-LIR
8h 56m2 stops
3:30 pm - 9:36 amLIR-STL
18h 06m2 stops
$698American Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
12:55 pm - 9:55 pmSTL-SJO
9h 00m1 stop
7:05 am - 4:12 pmSJO-STL
9h 07m1 stop
$721Delta
Find Deal
Tue, Dec 24 - Mon, Dec 30
6:00 am - 12:52 pmSTL-LIR
6h 52m1 stop
2:07 pm - 11:40 pmLIR-STL
9h 33m1 stop
$743Delta
Find Deal
Mon, Dec 23 - Sat, Dec 28
11:30 am - 11:24 amSTL-LIR
23h 54m2 stops
2:14 pm - 10:47 amLIR-STL
20h 33m2 stops
$788United Airlines
Find Deal
Mon, Dec 23 - Sat, Dec 28
6:00 am - 7:39 amSTL-SJO
25h 39m2 stops
1:49 am - 3:21 pmSJO-STL
13h 32m1 stop
Tue, Dec 24 - Mon, Dec 30
6:00 am - 1:17 pmSTL-SJO
7h 17m1 stop
2:20 pm - 2:24 pmSJO-STL
24h 04m2 stops
$892United Airlines
Find Deal
Wed, Dec 25 - Mon, Dec 30
4:27 pm - 12:54 amSTL-SJO
8h 27m1 stop
1:49 am - 11:28 pmSJO-STL
21h 39m2 stops
Thu, Dec 26 - Mon, Dec 30
4:27 pm - 12:54 amSTL-SJO
8h 27m1 stop
1:49 am - 3:21 pmSJO-STL
13h 32m1 stop
$961Spirit Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 1
4:27 pm - 12:54 amSTL-SJO
8h 27m1 stop
1:49 am - 3:21 pmSJO-STL
13h 32m1 stop
$972Spirit Airlines
Find Deal
Thu, Dec 26 - Mon, Dec 30

Spirit Airlines flights from St. Louis to Costa Rica

Our best Spirit Airlines deals on St. Louis to Costa Rica flight tickets
Spirit Airlines
Jan 28
STL3:48 pmLambert-St Louis
9h 11m
1 stop
SJO12:59 amSan José Juan Santamaria Intl
Feb 3
SJO1:57 amSan José Juan Santamaria Intl
12h 46m
1 stop
STL2:43 pmLambert-St Louis
Spirit Airlines
Feb 4
STL3:48 pmLambert-St Louis
43h 30m
2 stops
SJO11:18 amSan José Juan Santamaria Intl
Feb 12
SJO1:25 pmSan José Juan Santamaria Intl
25h 17m
1 stop
STL2:42 pmLambert-St Louis
Spirit Airlines
Feb 4
STL3:48 pmLambert-St Louis
9h 11m
1 stop
SJO12:59 amSan José Juan Santamaria Intl
Feb 10
SJO1:57 amSan José Juan Santamaria Intl
12h 46m
1 stop
STL2:43 pmLambert-St Louis

American Airlines flights from St. Louis to Costa Rica

Our best American Airlines deals on St. Louis to Costa Rica flight tickets
American Airlines
Feb 28
STL5:13 amLambert-St Louis
16h 06m
1 stop
SJO9:19 pmSan José Juan Santamaria Intl
Mar 6
SJO12:59 amSan José Juan Santamaria Intl
9h 39m
1 stop
STL10:38 amLambert-St Louis
American Airlines
Jan 20
STL7:00 amLambert-St Louis
16h 09m
1 stop
SJO11:09 pmSan José Juan Santamaria Intl
Jan 28
SJO6:00 amSan José Juan Santamaria Intl
11h 22m
2 stops
STL5:22 pmLambert-St Louis
American Airlines
Mar 1
STL5:37 pmLambert-St Louis
20h 41m
1 stop
SJO2:18 pmSan José Juan Santamaria Intl
Mar 6
SJO7:05 amSan José Juan Santamaria Intl
10h 47m
2 stops
STL5:52 pmLambert-St Louis

See travel insights to Costa Rica from

How to get the cheapest flight ticket from St. Louis 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 St. Louis is in September. Flight prices, which tend to average around $457, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then April is your next best option. Flight prices from St. Louis to Costa Rica during April average around $498.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from St. Louis. The lowest ticket price found for a Tuesday departure recently was $519. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $687. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the evening is the cheapest time of day to fly from St. Louis to Costa Rica when you can find flight prices for as low as $427. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly at noon, with an average ticket price of $604. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Costa Rica from St. Louis when booking 50 days ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $591 when searching 50 days out. Keep in mind that you might also find cheap flights to Costa Rica outside of this time window. In fact, momondo users recently found flights from St. Louis to Costa Rica for $257.

Cheap St. Louis to Costa Rica flight deals and tips

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

Best Price Found

$218

Fastest flight time

6h 39m

Direct flights

None

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from St. Louis in the past 72 hours is $218. The best round-trip flight deal from St. Louis to Costa Rica found on momondo in the last 72 hours is $326.
The fastest flight from St. Louis to Costa Rica takes 6h 39m
There are no direct flights from St. Louis to Costa Rica. Popular non-direct routes for this connection are Lambert-St Louis Airport - Liberia Airport and Lambert-St Louis Airport - San José Juan Santamaria Intl Airport.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Costa Rica?

    Prices for flights from Lambert-St Louis Airport to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Costa Rica?

  • How old do you have to be to fly from Lambert-St Louis Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Costa Rica.

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

    The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from St. Louis to Costa Rica

Compare and see reviews for airlines that fly from St. Louis to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $247Free CancellationRating
6.3
8,111 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $389Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
American AirlinesPriceFrom $397Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $416Free CancellationRating
8.0
8,597 reviews
Search Delta flights
SouthwestPriceFrom $519Free CancellationRating
8.1
4,804 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis 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 St. Louis to Costa Rica for you.

Can I find flights from St. Louis to Costa Rica with flexible booking policies on momondo?

Flights from St. Louis 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 St. Louis 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 St. Louis to Costa Rica.

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

Yes. momondo can track prices for St. Louis to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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