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Cheap flights from Key West to San Juan from $194

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to San Juan departing on 10/21. 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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Cheap round-trip flights

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American Airlines Logo
6:31 am - 9:00 pmEYW-SJU
13h 29m1 stop
American Airlines Logo
10:26 am - 11:59 pmSJU-EYW
14h 33m1 stop
$365American Airlines
Find Deal
Fri, Feb 20 - Sun, Feb 22
American Airlines Logo
6:33 pm - 10:17 amEYW-SJU
14h 44m2 stops
American Airlines Logo
6:00 am - 2:55 pmSJU-EYW
9h 55m2 stops
$405American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
5:24 pm - 10:40 amEYW-SJU
17h 16m1 stop
American Airlines Logo
5:45 pm - 1:16 pmSJU-EYW
19h 31m2 stops
$550American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
Multiple Airlines Logo
1:06 pm - 8:32 pmEYW-SJU
6h 26m1 stop
Multiple Airlines Logo
3:55 am - 9:06 amSJU-EYW
6h 11m1 stop
$589Multiple Airlines
Find Deal
Fri, Feb 20 - Sat, Feb 21
Multiple Airlines Logo
1:06 pm - 1:24 amEYW-SJU
11h 18m2 stops
Multiple Airlines Logo
3:55 am - 9:06 amSJU-EYW
6h 11m1 stop
$729Multiple Airlines
Find Deal
Fri, Feb 20 - Sat, Feb 21
American Airlines Logo
8:30 pm - 9:35 amEYW-SJU
12h 05m1 stop
American Airlines Logo
10:03 pm - 11:06 amSJU-EYW
14h 03m1 stop
$750American Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3
Multiple Airlines Logo
3:36 pm - 8:58 amEYW-SJU
16h 22m1 stop
Multiple Airlines Logo
7:15 am - 8:15 amSJU-EYW
26h 00m2 stops
$777Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3
Multiple Airlines Logo
3:36 pm - 9:55 pmEYW-SJU
29h 19m3 stops
Multiple Airlines Logo
7:01 am - 9:45 pmSJU-EYW
15h 44m2 stops
$836Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3
United Airlines Logo
4:00 pm - 9:00 pmEYW-SJU
28h 00m1 stop
United Airlines Logo
2:05 am - 3:19 pmSJU-EYW
14h 14m2 stops
$939United Airlines
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Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
3:56 pm - 4:36 pmEYW-SJU
23h 40m2 stops
United Airlines Logo
4:52 pm - 9:09 pmSJU-EYW
29h 17m1 stop
$1,119United Airlines
Find Deal
Fri, Feb 20 - Sun, Feb 22

American Airlines flights from Key West to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Key West to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Feb 20
EYW6:31 amKey West
13h 29m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Feb 22
SJU10:26 amSan Juan Luis Munoz Marin Intl
14h 33m
1 stop
EYW11:59 pmKey West
$365
Find similar
American Airlines
Nov 12
EYW6:33 pmKey West
14h 44m
2 stops
SJU10:17 amSan Juan Luis Munoz Marin Intl
Nov 18
SJU6:00 amSan Juan Luis Munoz Marin Intl
9h 55m
2 stops
EYW2:55 pmKey West
$405
Find similar
American Airlines
Mar 10
EYW5:24 pmKey West
17h 16m
1 stop
SJU10:40 amSan Juan Luis Munoz Marin Intl
Mar 11
SJU5:45 pmSan Juan Luis Munoz Marin Intl
19h 31m
2 stops
EYW1:16 pmKey West
$550
Find similar

United Airlines flights from Key West to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Key West to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Nov 12
EYW4:00 pmKey West
28h 00m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Nov 17
SJU2:05 amSan Juan Luis Munoz Marin Intl
14h 14m
2 stops
EYW3:19 pmKey West
$939
Find similar
United Airlines
Feb 20
EYW3:56 pmKey West
23h 40m
2 stops
SJU4:36 pmSan Juan Luis Munoz Marin Intl
Feb 22
SJU4:52 pmSan Juan Luis Munoz Marin Intl
29h 17m
1 stop
EYW9:09 pmKey West
$1,119
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to San Juan Luis Munoz Marin Intl Airport 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 October 16, 2025.
Use the filters below to find and compare flights from Key West to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 2/20

6:31 am-9:00 pm

1 stop13h 29m

San Juan Luis Munoz Marin Intl

Sun 2/22

10:26 am-11:59 pm

1 stop14h 33m

$365

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 11/12

6:33 pm-10:17 am

2 stops14h 44m

San Juan Luis Munoz Marin Intl

Tue 11/18

6:00 am-2:55 pm

2 stops9h 55m

$405

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Tue 3/10

5:24 pm-10:40 am

1 stop17h 16m

San Juan Luis Munoz Marin Intl

Wed 3/11

5:45 pm-1:16 pm

2 stops19h 31m

$550

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 2/20

1:06 pm-8:32 pm

1 stop6h 26m

San Juan Luis Munoz Marin Intl

Sat 2/21

3:55 am-9:06 am

1 stop6h 11m

$589

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 2/20

1:06 pm-1:24 am

2 stops11h 18m

San Juan Luis Munoz Marin Intl

Sat 2/21

3:55 am-9:06 am

1 stop6h 11m

$729

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Sat 12/20

8:30 pm-9:35 am

1 stop12h 05m

San Juan Luis Munoz Marin Intl

Sat 1/3

10:03 pm-11:06 am

1 stop14h 03m

$750

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Sat 12/20

3:36 pm-8:58 am

1 stop16h 22m

San Juan Luis Munoz Marin Intl

Sat 1/3

7:15 am-8:15 am

2 stops26h 00m

$777

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Sat 12/20

3:36 pm-9:55 pm

3 stops29h 19m

San Juan Luis Munoz Marin Intl

Sat 1/3

7:01 am-9:45 pm

2 stops15h 44m

$836

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 11/12

4:00 pm-9:00 pm

1 stop28h 00m

San Juan Luis Munoz Marin Intl

Mon 11/17

2:05 am-3:19 pm

2 stops14h 14m

$939

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 2/20

3:56 pm-4:36 pm

2 stops23h 40m

San Juan Luis Munoz Marin Intl

Sun 2/22

4:52 pm-9:09 pm

1 stop29h 17m

$1,119

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Key West to San Juan Luis Munoz Marin Intl Airport

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 time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the morning when flights can be purchased for as low as $404. Flights in the afternoon are often more expensive with an average ticket price of $448.

When to book flights from Key West to San Juan Luis Munoz Marin Intl Airport

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

Cheap Key West to San Juan Luis Munoz Marin Intl Airport (EYW to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to San Juan Luis Munoz Marin Intl Airport

Direct flights

None
There are no direct flights from Key West to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Key West to San Juan Luis Munoz Marin Intl Airport.
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  • How far is Key West to San Juan Luis Munoz Marin Intl by plane?

    The straight-line distance from Key West to San Juan Luis Munoz Marin Intl is 1098.2 mi. Flights usually cover this in 6h 26m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Key West Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Key West Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from Key West Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Key West Airport to San Juan Luis Munoz Marin 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 Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents required for your trip to San Juan Luis Munoz Marin 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 Juan Luis Munoz Marin 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 Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Key West to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Key West to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $360Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

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

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 Juan from Key West.

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

Yes. momondo enables you to select and highlight flights to San Juan from Key West with this policy.

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

momondo helps you find the best flight between Key West and San Juan 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 San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from Key West are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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