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Cheap flights from Key West to San José from $339

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 1/22. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
12:51 pm - 12:22 pm
EYW
-
SJO
24h 31m1 stop
Spirit Airlines Logo
1:30 pm - 1:30 pm
SJO
-
EYW
23h 00m1 stop
$339Spirit Airlines
jue., ene. 22 - jue., ene. 29
Multiple Airlines Logo
12:51 pm - 12:22 pm
EYW
-
SJO
24h 31m1 stop
Multiple Airlines Logo
1:30 pm - 9:09 am
SJO
-
EYW
18h 39m2 stops
$350Multiple Airlines
jue., ene. 22 - jue., ene. 29
Multiple Airlines Logo
12:51 pm - 3:20 pm
EYW
-
SJO
27h 29m3 stops
Multiple Airlines Logo
12:33 pm - 1:30 pm
SJO
-
EYW
23h 57m3 stops
$461Multiple Airlines
jue., ene. 22 - jue., ene. 29
Multiple Airlines Logo
2:45 pm - 12:22 pm
EYW
-
SJO
22h 37m2 stops
Multiple Airlines Logo
12:33 pm - 1:30 pm
SJO
-
EYW
23h 57m3 stops
$466Multiple Airlines
jue., ene. 22 - jue., ene. 29
Multiple Airlines Logo
2:45 pm - 12:22 pm
EYW
-
SJO
22h 37m2 stops
Multiple Airlines Logo
1:30 pm - 11:15 am
SJO
-
EYW
20h 45m2 stops
$477Multiple Airlines
jue., ene. 22 - jue., ene. 29
Delta Logo
7:10 am - 10:15 pm
EYW
-
SJO
16h 05m1 stop
Delta Logo
7:00 am - 5:11 pm
SJO
-
EYW
9h 11m1 stop
$485Delta
mié., ene. 21 - lun., ene. 26
Delta Logo
7:10 am - 10:15 pm
EYW
-
SJO
16h 05m1 stop
Delta Logo
7:00 am - 5:11 pm
SJO
-
EYW
9h 11m1 stop
$495Delta
mié., ene. 21 - lun., ene. 26
American Airlines Logo
7:08 am - 7:44 pm
EYW
-
SJO
13h 36m2 stops
American Airlines Logo
6:00 am - 9:47 pm
SJO
-
EYW
14h 47m2 stops
$516American Airlines
mié., ene. 21 - lun., ene. 26
Multiple Airlines Logo
3:24 pm - 11:42 am
EYW
-
SJO
21h 18m1 stop
Multiple Airlines Logo
2:57 pm - 1:30 pm
SJO
-
EYW
21h 33m2 stops
$556Multiple Airlines
dom., dic. 21 - vie., dic. 26
Multiple Airlines Logo
3:15 pm - 12:25 pm
EYW
-
SJO
22h 10m2 stops
Multiple Airlines Logo
1:31 pm - 1:30 pm
SJO
-
EYW
22h 59m1 stop
$578Multiple Airlines
mar., dic. 23 - vie., dic. 26

American Airlines flights from Key West to San José

Our best American Airlines deals on Key West to San José flight tickets
American Airlines
Jan 21
EYW7:08 amKey West
13h 36m
2 stops
SJO7:44 pmSan José Juan Santamaria Intl
Jan 26
SJO8:00 amSan José Juan Santamaria Intl
10h 10m
1 stop
EYW7:10 pmKey West
$516
Find similar
American Airlines
Dec 23
EYW1:46 pmKey West
23h 47m
1 stop
SJO12:33 pmSan José Juan Santamaria Intl
Dec 29
SJO1:31 pmSan José Juan Santamaria Intl
8h 13m
1 stop
EYW10:44 pmKey West
$822
Find similar
American Airlines
Dec 23
EYW4:40 pmKey West
20h 53m
2 stops
SJO12:33 pmSan José Juan Santamaria Intl
Dec 29
SJO1:50 pmSan José Juan Santamaria Intl
21h 18m
2 stops
EYW12:08 pmKey West
$847
Find similar

Delta flights from Key West to San José

Our best Delta deals on Key West to San José flight tickets
Delta
Jan 21
EYW7:10 amKey West
16h 05m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Jan 26
SJO7:00 amSan José Juan Santamaria Intl
9h 11m
1 stop
EYW5:11 pmKey West
$485
Find similar
Delta
Jan 21
EYW7:10 amKey West
16h 05m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Jan 26
SJO7:00 amSan José Juan Santamaria Intl
9h 11m
1 stop
EYW5:11 pmKey West
$495
Find similar
Delta
Dec 21
EYW7:25 amKey West
15h 30m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
Dec 29
SJO7:00 amSan José Juan Santamaria Intl
12h 58m
1 stop
EYW8:58 pmKey West
$749
Find similar

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 diciembre 10, 2025.
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

jue. 1/22

12:51 pm-12:22 pm

1 stop24h 31m

San José Juan Santamaria Intl

jue. 1/29

1:30 pm-1:30 pm

1 stop23h 00m

$339

Key WestSan José

EYW - SJO

EYWSJO

Key West

jue. 1/22

12:51 pm-12:22 pm

1 stop24h 31m

San José Juan Santamaria Intl

jue. 1/29

1:30 pm-9:09 am

2 stops18h 39m

$350

Key WestSan José

EYW - SJO

EYWSJO

Key West

jue. 1/22

12:51 pm-3:20 pm

3 stops27h 29m

San José Juan Santamaria Intl

jue. 1/29

12:33 pm-1:30 pm

3 stops23h 57m

$461

Key WestSan José

EYW - SJO

EYWSJO

Key West

jue. 1/22

2:45 pm-12:22 pm

2 stops22h 37m

San José Juan Santamaria Intl

jue. 1/29

12:33 pm-1:30 pm

3 stops23h 57m

$466

Key WestSan José

EYW - SJO

EYWSJO

Key West

jue. 1/22

2:45 pm-12:22 pm

2 stops22h 37m

San José Juan Santamaria Intl

jue. 1/29

1:30 pm-11:15 am

2 stops20h 45m

$477

Key WestSan José

EYW - SJO

EYWSJO

Key West

mié. 1/21

7:10 am-10:15 pm

1 stop16h 05m

San José Juan Santamaria Intl

lun. 1/26

7:00 am-5:11 pm

1 stop9h 11m

$485

Key WestSan José

EYW - SJO

EYWSJO

Key West

mié. 1/21

7:10 am-10:15 pm

1 stop16h 05m

San José Juan Santamaria Intl

lun. 1/26

7:00 am-5:11 pm

1 stop9h 11m

$495

Key WestSan José

EYW - SJO

EYWSJO

Key West

mié. 1/21

7:08 am-7:44 pm

2 stops13h 36m

San José Juan Santamaria Intl

lun. 1/26

6:00 am-9:47 pm

2 stops14h 47m

$516

Key WestSan José

EYW - SJO

EYWSJO

Key West

dom. 12/21

3:24 pm-11:42 am

1 stop21h 18m

San José Juan Santamaria Intl

vie. 12/26

2:57 pm-1:30 pm

2 stops21h 33m

$556

Key WestSan José

EYW - SJO

EYWSJO

Key West

mar. 12/23

3:15 pm-12:25 pm

2 stops22h 10m

San José Juan Santamaria Intl

vie. 12/26

1:31 pm-1:30 pm

1 stop22h 59m

$578

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

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?

On average, the least expensive day to fly to San José from Key West is on a Thursday. momondo users have found tickets for Thursday departures for as low as $554. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Key West to San José on a Monday will generally be more expensive and average around $769. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Key West to San José flights are usually those with departure times in the afternoon. Our users have found flights to San José in the afternoon for as low as $584. Flights at noon are often more expensive with an average ticket price of $764.

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

19h 26m

Direct flights

None
The fastest flight from Key West to San José takes 19h 26m
There are no direct flights from Key West to San José. There are no popular flight routes from Key West to San José.
Search flight deals

  • 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. 19h 26m 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 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.

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
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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