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Cheap flights from Key West to Costa Rica from $708

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Key West to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:19 pm - 2:19 pmEYW  Key West-LIR Liberia
20h 00m2 stops Charlotte Douglas Miami
American Airlines Logo
3:35 pm - 3:11 pmLIR  Liberia-EYW Key West
22h 36m2 stops Miami Charlotte Douglas
$708American Airlines
Thu, Dec 3 - Sun, Dec 6
American Airlines Logo
10:14 am - 2:19 pmEYW  Key West-LIR Liberia
5h 05m1 stop Miami
American Airlines Logo
3:35 pm - 1:06 pmLIR  Liberia-EYW Key West
20h 31m2 stops Miami Charlotte Douglas
$708American Airlines
Thu, Dec 3 - Sun, Dec 6
American Airlines Logo
10:14 am - 2:19 pmEYW  Key West-LIR Liberia
5h 05m1 stop Miami
American Airlines Logo
3:35 pm - 10:56 amLIR  Liberia-EYW Key West
18h 21m1 stop Miami
$711American Airlines
Thu, Dec 3 - Sun, Dec 6
American Airlines Logo
11:14 am - 8:50 pmEYW  Key West-SJO San José Juan Santamaria Intl
10h 36m1 stop Miami
American Airlines Logo
6:00 am - 6:53 pmSJO  San José Juan Santamaria Intl-EYW Key West
11h 53m1 stop Miami
$713American Airlines
Fri, Nov 13 - Fri, Nov 20
American Airlines Logo
7:18 pm - 2:49 pmEYW  Key West-SJO San José Juan Santamaria Intl
20h 31m2 stops Charlotte Douglas Miami
American Airlines Logo
2:07 pm - 4:28 pmSJO  San José Juan Santamaria Intl-EYW Key West
25h 21m2 stops Charlotte Douglas Miami
$718American Airlines
Fri, Nov 13 - Fri, Nov 20
American Airlines Logo
4:44 pm - 8:50 pmEYW  Key West-SJO San José Juan Santamaria Intl
5h 06m1 stop Miami
American Airlines Logo
2:07 pm - 4:28 pmSJO  San José Juan Santamaria Intl-EYW Key West
25h 21m2 stops Charlotte Douglas Miami
$718American Airlines
Fri, Nov 13 - Fri, Nov 20
Multiple Airlines Logo
12:46 pm - 8:35 amEYW  Key West-SJO San José Juan Santamaria Intl
20h 49m3 stops Boston Logan Intl New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
4:15 pm - 11:55 amSJO  San José Juan Santamaria Intl-EYW Key West
42h 40m3 stops Guatemala City La Aurora New York John F Kennedy Intl Boston Logan Intl
$2,521Multiple Airlines
Fri, Nov 13 - Fri, Nov 20

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American Airlines flights from Key West to Costa Rica

Our best American Airlines deals on Key West to Costa Rica flight tickets
American Airlines
Dec 3
EYW10:14 amKey West
5h 05m
1 stop
LIR2:19 pmLiberia
Dec 6
LIR3:35 pmLiberia
20h 31m
2 stops
EYW1:06 pmKey West
$708
American Airlines
Dec 3
EYW10:14 amKey West
5h 05m
1 stop
LIR2:19 pmLiberia
Dec 6
LIR3:35 pmLiberia
18h 21m
1 stop
EYW10:56 amKey West
$711
American Airlines
Nov 13
EYW11:14 amKey West
10h 36m
1 stop
SJO8:50 pmSan José Juan Santamaria Intl
Nov 20
SJO6:00 amSan José Juan Santamaria Intl
11h 53m
1 stop
EYW6:53 pmKey West
$713

momondo Fare Finder

 
Use the filters below to find and compare flights from Key West to Costa Rica that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Key WestLiberia

EYW Key West - LIR Liberia

EYWLIR

Key West

Thu 12/3

7:19 pm-2:19 pm

2 stops20h 00m

Liberia

Sun 12/6

3:35 pm-3:11 pm

2 stops22h 36m

$708

Key WestLiberia

EYW Key West - LIR Liberia

EYWLIR

Key West

Thu 12/3

10:14 am-2:19 pm

1 stop5h 05m

Liberia

Sun 12/6

3:35 pm-1:06 pm

2 stops20h 31m

$708

Key WestLiberia

EYW Key West - LIR Liberia

EYWLIR

Key West

Thu 12/3

10:14 am-2:19 pm

1 stop5h 05m

Liberia

Sun 12/6

3:35 pm-10:56 am

1 stop18h 21m

$711
Quickest round-trip

Key WestSan José

EYW Key West - SJO San José Juan Santamaria Intl

EYWSJO

Key West

Fri 11/13

11:14 am-8:50 pm

1 stop10h 36m

San José Juan Santamaria Intl

Fri 11/20

6:00 am-6:53 pm

1 stop11h 53m

$713

Key WestSan José

EYW Key West - SJO San José Juan Santamaria Intl

EYWSJO

Key West

Fri 11/13

7:18 pm-2:49 pm

2 stops20h 31m

San José Juan Santamaria Intl

Fri 11/20

2:07 pm-4:28 pm

2 stops25h 21m

$718

Key WestSan José

EYW Key West - SJO San José Juan Santamaria Intl

EYWSJO

Key West

Fri 11/13

4:44 pm-8:50 pm

1 stop5h 06m

San José Juan Santamaria Intl

Fri 11/20

2:07 pm-4:28 pm

2 stops25h 21m

$718

Key WestSan José

EYW Key West - SJO San José Juan Santamaria Intl

EYWSJO

Key West

Fri 11/13

12:46 pm-8:35 am

3 stops20h 49m

San José Juan Santamaria Intl

Fri 11/20

4:15 pm-11:55 am

3 stops42h 40m

$2,521

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Key West to Costa Rica flight deals and tips

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

Best Price Found

$708

Fastest flight time

8h 38m

Direct flights

None
The best flight deal from Key West to Costa Rica found on momondo in the last 72 hours is $708
The fastest flight from Key West to Costa Rica takes 8h 38m
There are no direct flights from Key West to Costa Rica. There are no popular flight routes from Key West to Costa Rica.
Search flight deals

Frequently asked questions about flying from Key West to Costa Rica

  • When did momondo last update prices for flights from Key West Airport to Costa Rica?

    Prices for flights from Key West Airport to Costa Rica refresh daily.

  • How many operators does momondo search for flights from Key West Airport to Costa Rica?

  • How old do you have to be to fly from Key West Airport 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 Key West Airport 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 Key West to Costa Rica

Compare and see reviews for airlines that fly from Key West to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $523Free CancellationRating
7.0
12,127 reviews
Search American Airlines flights

Frequently asked questions about flying from Key West to Costa Rica

  • How do I get Price Alerts for flights from Key West to Costa Rica?

    Confirm your travel details to search for the latest offers for flights from Key West to Costa Rica. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Key West to Costa Rica with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Key West.

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

Yes. momondo allows you to filter the results for Key West to Costa Rica flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Key West and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Key West 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 Key West and alert you when they change.

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