$517+ Cheap flights from Key West (EYW) to Costa Rica
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJO
déc. 13 — déc. 201
1 adult, Economy
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Keep the following information in mind while searching for Key West to Costa Rica flight deals. Data was last updated novembre 13, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $517 (American Airlines) |
Find flight deals from Key West to Costa Rica
Cheapest flights from Key West to Costa RicaExplore the most affordable flight options available from Key West to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 13, 2025.
Explore the most affordable flight options available from Key West to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 13, 2025.
This American Airlines deal was found by Cheapflights users on 11/11. 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.
mar. 12/27:00 amEYW - SJO
1 stop7h 39mAmerican Airlines
dim. 12/77:00 amSJO - EYW
1 stop15h 07mAmerican Airlines
Deal found 11/11![American Airlines logo]()
$517
Cheapflights Fare Finder
Customize your flight search to find flights from Key West 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 novembre 13, 2025.
Use the filters below to find and compare flights from Key West to Costa Rica that are best for you.
Fly from
Key West
Fly to
Costa Rica
Route
Depart
Return
Price
Key WestSan José
EYW - SJO
EYWSJO
Key West
mar. 12/2
7:00 am-1:39 pm
1 stop7h 39m
San José Juan Santamaria Intl
dim. 12/7
7:00 am-4:57 pm
1 stop8h 57m
$517
Key WestSan José
EYW - SJO
EYWSJO
Key West
mar. 3/10
6:31 am-11:00 am
1 stop6h 29m
San José Juan Santamaria Intl
mer. 3/11
12:55 pm-11:59 pm
1 stop9h 04m
$666
Best time to book a flight from Key West to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Key West 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 Key West to Costa Rica
What is the cheapest time of day to fly from EYW to CR?
Find hourly flight availability from Key West 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 novembre 13, 2025.
It’s optimal to fly from Key West to Costa Rica in the evening. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.
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 novembre 13, 2025.
See what other customers who have flown with American Airlines from Key West to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Crew
8.0
Food
6.4
Boarding
7.5
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
MIA - DCA
Comfort
7.2
Crew
8.0
Food
6.4
Boarding
7.5
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
MIA - DCA
Related info for your journey
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Alternative routes for Key West to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Key West to Costa Rica
Discover the top airline that operate flights from Key West 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 novembre 13, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$535 | Average$643 | FlexibilityNo cancel fee | On-time71% |