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.

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?

As of January 2026, there is 1 operator available to choose from 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.

$451 Cheap Flights from Key West to Costa Rica in 2026

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0 bags

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Round-trip

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Enter your travel dates to find the best prices.

3:47 pm - 12:22 pm

EYW

SJO

45h 35m

2 stops

1:31 pm - 1:30 pm

SJO

EYW

22h 59m

1 stop

$451Multiple Airlines

Fri, Feb 13 - Thu, Feb 19

3:47 pm - 12:22 pm

EYW

SJO

45h 35m

2 stops

12:35 pm - 9:06 am

SJO

EYW

19h 31m

1 stop

$466Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

1:06 pm - 11:15 pm

EYW

SJO

35h 09m

2 stops

1:31 pm - 1:30 pm

SJO

EYW

22h 59m

1 stop

$508Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

1:06 pm - 11:40 am

EYW

SJO

23h 34m

1 stop

12:35 pm - 3:19 pm

SJO

EYW

25h 44m

1 stop

$526Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

2:25 pm - 3:20 pm

EYW

SJO

25h 55m

3 stops

7:45 am - 1:30 pm

SJO

EYW

28h 45m

3 stops

$589Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

2:25 pm - 11:40 am

EYW

SJO

22h 15m

2 stops

7:45 am - 1:30 pm

SJO

EYW

28h 45m

3 stops

$623Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

1:06 pm - 11:40 am

EYW

SJO

23h 34m

1 stop

1:31 pm - 1:30 pm

SJO

EYW

22h 59m

1 stop

$625Multiple Airlines

Fri, Feb 13 - Thu, Feb 19

1:06 pm - 11:40 am

EYW

SJO

23h 34m

1 stop

1:31 pm - 1:30 pm

SJO

EYW

22h 59m

1 stop

$637Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

2:06 pm - 10:24 am

EYW

SJO

21h 18m

2 stops

8:00 am - 4:49 pm

SJO

EYW

7h 49m

1 stop

$670American Airlines

Sat, Feb 14 - Tue, Feb 17

1:06 pm - 11:40 am

EYW

SJO

23h 34m

1 stop

4:15 pm - 3:19 pm

SJO

EYW

22h 04m

3 stops

$682Multiple Airlines

Fri, Feb 13 - Wed, Feb 18

American Airlines flights from Key West to Costa Rica

Our best American Airlines deals on Key West to Costa Rica flight tickets

American Airlines

Feb 14

EYW2:06 pmKey West

21h 18m

2 stops

SJO10:24 amSan José Juan Santamaria Intl

Feb 17

SJO8:00 amSan José Juan Santamaria Intl

7h 49m

1 stop

EYW4:49 pmKey West

$670

American Airlines

Feb 14

EYW2:06 pmKey West

21h 18m

2 stops

SJO10:24 amSan José Juan Santamaria Intl

Feb 17

SJO3:59 pmSan José Juan Santamaria Intl

21h 41m

2 stops

EYW2:40 pmKey West

$703

American Airlines

Feb 8

EYW6:43 pmKey West

20h 11m

2 stops

SJO1:54 pmSan José Juan Santamaria Intl

Feb 14

SJO11:24 amSan José Juan Santamaria Intl

6h 30m

1 stop

EYW6:54 pmKey West

$712

GOL flights from Key West to Costa Rica

Our best GOL deals on Key West to Costa Rica flight tickets

GOL

Feb 7

EYW4:37 pmKey West

5h 25m

1 stop

SJO9:02 pmSan José Juan Santamaria Intl

Feb 9

SJO8:00 amSan José Juan Santamaria Intl

7h 49m

1 stop

EYW4:49 pmKey West

$889

GOL

Feb 7

EYW4:37 pmKey West

5h 25m

1 stop

SJO9:02 pmSan José Juan Santamaria Intl

Feb 9

SJO6:00 amSan José Juan Santamaria Intl

14h 47m

2 stops

EYW9:47 pmKey West

$894

Fly from

Fly to

Route

Depart

Return

Price

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

3:47 pm-12:22 pm

2 stops45h 35m

San José Juan Santamaria Intl

Thu 2/19

1:31 pm-1:30 pm

1 stop22h 59m

$451

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

3:47 pm-12:22 pm

2 stops45h 35m

San José Juan Santamaria Intl

Wed 2/18

12:35 pm-9:06 am

1 stop19h 31m

$466

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

1:06 pm-11:15 pm

2 stops35h 09m

San José Juan Santamaria Intl

Wed 2/18

1:31 pm-1:30 pm

1 stop22h 59m

$508

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

1:06 pm-11:40 am

1 stop23h 34m

San José Juan Santamaria Intl

Wed 2/18

12:35 pm-3:19 pm

1 stop25h 44m

$526

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

2:25 pm-3:20 pm

3 stops25h 55m

San José Juan Santamaria Intl

Wed 2/18

7:45 am-1:30 pm

3 stops28h 45m

$589

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

2:25 pm-11:40 am

2 stops22h 15m

San José Juan Santamaria Intl

Wed 2/18

7:45 am-1:30 pm

3 stops28h 45m

$623

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

1:06 pm-11:40 am

1 stop23h 34m

San José Juan Santamaria Intl

Thu 2/19

1:31 pm-1:30 pm

1 stop22h 59m

$625

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

1:06 pm-11:40 am

1 stop23h 34m

San José Juan Santamaria Intl

Wed 2/18

1:31 pm-1:30 pm

1 stop22h 59m

$637

Key WestSan José

EYW - SJO

EYWSJO

Key West

Sat 2/14

2:06 pm-10:24 am

2 stops21h 18m

San José Juan Santamaria Intl

Tue 2/17

8:00 am-4:49 pm

1 stop7h 49m

$670

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/13

1:06 pm-11:40 am

1 stop23h 34m

San José Juan Santamaria Intl

Wed 2/18

4:15 pm-3:19 pm

3 stops22h 04m

$682

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

Fastest flight time	8h 30m
Direct flights	None

The fastest flight from Key West to Costa Rica takes 8h 30m

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

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?
As of January 2026, there is 1 operator available to choose from 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 Airlines	PriceFrom $523	Free Cancellation	Rating 7.2 11,205 reviews		Search American Airlines flights

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.