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Cheap flights from Key West to San José from $498

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 9/8. 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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0 bags

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Find the cheapest flights from Key West to San José

Cheap round-trip flights

American Airlines Logo
7:31 pm - 7:42 pmEYW-SJO
26h 11m1 stop
American Airlines Logo
6:00 am - 6:59 pmSJO-EYW
10h 59m1 stop
$498American Airlines
Find Deal
Mon, Sep 8 - Mon, Sep 15
American Airlines Logo
7:31 pm - 7:42 pmEYW-SJO
26h 11m1 stop
American Airlines Logo
6:00 am - 11:13 amSJO-EYW
27h 13m2 stops
$503American Airlines
Find Deal
Mon, Sep 8 - Mon, Sep 15
American Airlines Logo
6:17 pm - 11:12 amEYW-SJO
18h 55m2 stops
American Airlines Logo
12:12 pm - 5:46 pmSJO-EYW
27h 34m2 stops
$513American Airlines
Find Deal
Fri, Sep 12 - Thu, Sep 18
American Airlines Logo
11:25 am - 7:42 pmEYW-SJO
10h 17m1 stop
American Airlines Logo
6:00 am - 6:59 pmSJO-EYW
10h 59m1 stop
$555American Airlines
Find Deal
Fri, Sep 12 - Thu, Sep 18
American Airlines Logo
6:17 pm - 11:12 amEYW-SJO
18h 55m2 stops
American Airlines Logo
6:00 am - 6:59 pmSJO-EYW
10h 59m1 stop
$559American Airlines
Find Deal
Fri, Sep 12 - Thu, Sep 18
American Airlines Logo
6:17 pm - 11:12 amEYW-SJO
18h 55m2 stops
American Airlines Logo
12:12 pm - 5:46 pmSJO-EYW
27h 34m2 stops
$579American Airlines
Find Deal
Fri, Sep 12 - Thu, Sep 18
American Airlines Logo
3:45 pm - 7:42 pmEYW-SJO
29h 57m2 stops
American Airlines Logo
6:00 am - 11:13 amSJO-EYW
27h 13m2 stops
$636American Airlines
Find Deal
Mon, Sep 8 - Mon, Sep 15

American Airlines flights from Key West to San José, San José Province

Our best American Airlines deals on Key West to San José, San José Province flight tickets
American Airlines
Sep 8
EYW7:31 pmKey West
26h 11m
1 stop
SJO7:42 pmSan José Juan Santamaria Intl
Sep 15
SJO6:00 amSan José Juan Santamaria Intl
10h 59m
1 stop
EYW6:59 pmKey West
$498
Find similar
American Airlines
Sep 8
EYW7:31 pmKey West
26h 11m
1 stop
SJO7:42 pmSan José Juan Santamaria Intl
Sep 15
SJO6:00 amSan José Juan Santamaria Intl
27h 13m
2 stops
EYW11:13 amKey West
$503
Find similar
American Airlines
Sep 12
EYW6:17 pmKey West
18h 55m
2 stops
SJO11:12 amSan José Juan Santamaria Intl
Sep 18
SJO12:12 pmSan José Juan Santamaria Intl
27h 34m
2 stops
EYW5:46 pmKey West
$513
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to San José, San José Province 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 August 26, 2025.
Use the filters below to find and compare flights from Key West to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestSan José

EYW - SJO

EYWSJO

Key West

Mon 9/8

7:31 pm-7:42 pm

1 stop26h 11m

San José Juan Santamaria Intl

Mon 9/15

6:00 am-6:59 pm

1 stop10h 59m

$498

Key WestSan José

EYW - SJO

EYWSJO

Key West

Mon 9/8

7:31 pm-7:42 pm

1 stop26h 11m

San José Juan Santamaria Intl

Mon 9/15

6:00 am-11:13 am

2 stops27h 13m

$503

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 9/12

6:17 pm-11:12 am

2 stops18h 55m

San José Juan Santamaria Intl

Thu 9/18

12:12 pm-5:46 pm

2 stops27h 34m

$513

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 9/12

11:25 am-7:42 pm

1 stop10h 17m

San José Juan Santamaria Intl

Thu 9/18

6:00 am-6:59 pm

1 stop10h 59m

$555

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 9/12

6:17 pm-11:12 am

2 stops18h 55m

San José Juan Santamaria Intl

Thu 9/18

6:00 am-6:59 pm

1 stop10h 59m

$559

Key WestSan José

EYW - SJO

EYWSJO

Key West

Fri 9/12

6:17 pm-11:12 am

2 stops18h 55m

San José Juan Santamaria Intl

Thu 9/18

12:12 pm-5:46 pm

2 stops27h 34m

$579

Key WestSan José

EYW - SJO

EYWSJO

Key West

Mon 9/8

3:45 pm-7:42 pm

2 stops29h 57m

San José Juan Santamaria Intl

Mon 9/15

6:00 am-11:13 am

2 stops27h 13m

$636

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San José from

How to get the cheapest flight ticket from Key West to San José, San José Province

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 day to depart on your flight to San José, San José Province?

The cheapest day to depart from Key West to San José, San José Province is on a Thursday when prices can be found for as low as $554. The most expensive day to fly to San José, San José Province is Monday, with ticket prices averaging around $769.

What is the cheapest time of day to depart on your flight to San José, San José Province?

In the afternoon is the cheapest time of day to fly from Key West to San José, San José Province when you can find flight prices for as low as $584. Flying to San José, San José Province in the afternoon is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $764 per ticket.

When to book flights from Key West to San José, San José Province

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to San José, San José Province 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, San José Province (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, San José Province

Direct flights

None
There are no direct flights from Key West to San José, San José Province. There are no popular flight routes from Key West to San José, San José Province.
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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. 10h 17m 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, San José Province?

Best airlines flying from Key West to San José, San José Province

Compare and see reviews for airlines that fly from Key West to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $535Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
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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