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Cheap flights from Key West to San José from $551

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to San José departing on 2/20. 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 Key West to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:45 pm - 10:24 am
EYW
-
SJO
15h 39m
1 stop
American Airlines Logo
8:00 am - 7:15 pm
SJO
-
EYW
10h 15m
1 stop
$551American Airlines
Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
7:45 pm - 10:24 am
EYW
-
SJO
15h 39m
1 stop
American Airlines Logo
3:59 pm - 2:40 pm
SJO
-
EYW
21h 41m
2 stops
$556American Airlines
Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
4:40 pm - 12:31 pm
EYW
-
SJO
20h 51m
2 stops
American Airlines Logo
1:31 pm - 12:03 pm
SJO
-
EYW
21h 32m
2 stops
$619American Airlines
Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
6:43 pm - 1:54 pm
EYW
-
SJO
20h 11m
2 stops
American Airlines Logo
1:31 pm - 11:11 am
SJO
-
EYW
20h 40m
2 stops
$825American Airlines
Sun, Feb 8 - Sat, Feb 14
American Airlines Logo
7:45 pm - 1:54 pm
EYW
-
SJO
19h 09m
1 stop
American Airlines Logo
8:00 am - 4:49 pm
SJO
-
EYW
7h 49m
1 stop
$966American Airlines
Sun, Feb 8 - Sat, Feb 14

American Airlines flights from Key West to San José

Our best American Airlines deals on Key West to San José flight tickets
American Airlines
Feb 20
EYW7:45 pmKey West
15h 39m
1 stop
SJO10:24 amSan José Juan Santamaria Intl
Feb 23
SJO8:00 amSan José Juan Santamaria Intl
10h 15m
1 stop
EYW7:15 pmKey West
$551
American Airlines
Feb 20
EYW7:45 pmKey West
15h 39m
1 stop
SJO10:24 amSan José Juan Santamaria Intl
Feb 23
SJO3:59 pmSan José Juan Santamaria Intl
21h 41m
2 stops
EYW2:40 pmKey West
$556
American Airlines
Feb 20
EYW4:40 pmKey West
20h 51m
2 stops
SJO12:31 pmSan José Juan Santamaria Intl
Feb 23
SJO1:31 pmSan José Juan Santamaria Intl
21h 32m
2 stops
EYW12:03 pmKey West
$619

momondo Fare Finder

 
Customize your flight search to find flights from Key West to San José 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 January 21, 2026.
Use the filters below to find and compare flights from Key West to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/20

7:45 pm-10:24 am

1 stop15h 39m

San José Juan Santamaria Intl

Mon 2/23

8:00 am-7:15 pm

1 stop10h 15m

$551

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/20

7:45 pm-10:24 am

1 stop15h 39m

San José Juan Santamaria Intl

Mon 2/23

3:59 pm-2:40 pm

2 stops21h 41m

$556

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 2/20

4:40 pm-12:31 pm

2 stops20h 51m

San José Juan Santamaria Intl

Mon 2/23

1:31 pm-12:03 pm

2 stops21h 32m

$619

Key WestSan José

EYW - SJO

EYWSJO

Key West

Sun 2/8

6:43 pm-1:54 pm

2 stops20h 11m

San José Juan Santamaria Intl

Sat 2/14

1:31 pm-11:11 am

2 stops20h 40m

$825

Key WestSan José

EYW - SJO

EYWSJO

Key West

Sun 2/8

7:45 pm-1:54 pm

1 stop19h 09m

San José Juan Santamaria Intl

Sat 2/14

8:00 am-4:49 pm

1 stop7h 49m

$966

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Key West to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Key West to San José (EYW to SJO) flight deals and tips

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

Fastest flight time

15h 43m

Direct flights

None
The fastest flight from Key West to San José takes 15h 43m
There are no direct flights from Key West to San José. There are no popular flight routes from Key West to San José.
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  • How far is Key West to San José Juan Santamaria Intl by plane?

    A flight from Key West to San José Juan Santamaria Intl will travel around 1020.8 mi. 15h 43m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Key West Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Key West Airport to San José Juan Santamaria Intl Airport were last updated today.

  • How many operators does momondo search for flights from Key West Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Key West Airport to San José Juan Santamaria Intl Airport?

    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 Key West Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents required for your trip to San José Juan Santamaria Intl Airport 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 San José Juan Santamaria Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Key West to San José?

Best airlines flying from Key West to San José

Compare and see reviews for airlines that fly from Key West to San José with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $523Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights

  • How do I get Price Alerts for flights from Key West to San José?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Key West from San José. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Key West to San José with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • 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.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Dominical
San Gerardo de Dota
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Key West to San José?

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 San José from Key West.

Can I find flights from Key West to San José with flexible booking policies on momondo?

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

How can momondo help me find flights from Key West to San José?

Once you have performed a search for Key West to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Key West to San José right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Key West to San José flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Fri 2/20
Fri 2/27
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