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Cheap flights from Key West to San Juan from $258

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 10/11. 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 Juan (EYW-SJU)

Cheap round-trip flights

American Airlines Logo
11:25 am - 6:14 pmEYW-SJU
6h 49m1 stop
American Airlines Logo
11:56 am - 7:22 pmSJU-EYW
7h 26m1 stop
$405American Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
American Airlines Logo
11:25 am - 6:14 pmEYW-SJU
6h 49m1 stop
American Airlines Logo
6:10 am - 6:59 pmSJU-EYW
12h 49m1 stop
$430American Airlines
Find Deal
Wed, Sep 24 - Sat, Sep 27
Delta Logo
2:00 pm - 10:07 pmEYW-SJU
8h 07m1 stop
Delta Logo
12:58 pm - 8:07 pmSJU-EYW
7h 09m1 stop
$525Delta
Find Deal
Mon, Sep 8 - Fri, Sep 12
American Airlines Logo
1:33 pm - 12:44 amEYW-SJU
10h 11m1 stop
American Airlines Logo
6:00 am - 5:01 pmSJU-EYW
12h 01m1 stop
$530American Airlines
Find Deal
Mon, Nov 24 - Sat, Nov 29
American Airlines Logo
3:45 pm - 11:11 amEYW-SJU
19h 26m2 stops
American Airlines Logo
1:40 pm - 6:59 pmSJU-EYW
5h 19m1 stop
$655American Airlines
Find Deal
Mon, Sep 8 - Fri, Sep 12
American Airlines Logo
6:17 pm - 12:50 pmEYW-SJU
18h 33m2 stops
American Airlines Logo
3:55 pm - 11:13 amSJU-EYW
19h 18m2 stops
$665American Airlines
Find Deal
Mon, Sep 8 - Fri, Sep 12
American Airlines Logo
6:17 pm - 12:50 pmEYW-SJU
18h 33m2 stops
American Airlines Logo
6:10 am - 6:59 pmSJU-EYW
12h 49m1 stop
$680American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
7:10 am - 5:52 pmEYW-SJU
9h 42m2 stops
American Airlines Logo
6:00 am - 4:13 pmSJU-EYW
11h 13m2 stops
$709American Airlines
Find Deal
Mon, Nov 24 - Sat, Nov 29
Logo
2:25 pm - 11:45 pmEYW-SJU
8h 20m1 stop
Logo
1:59 am - 10:19 amSJU-EYW
33h 20m2 stops
$1,000
Find Deal
Mon, Nov 24 - Fri, Nov 28
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
$1,268United Airlines
Find Deal
Mon, Nov 24 - Fri, Nov 28

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
Oct 1
EYW11:25 amKey West
6h 49m
1 stop
SJU6:14 pmSan Juan Luis Munoz Marin Intl
Oct 6
SJU11:56 amSan Juan Luis Munoz Marin Intl
7h 26m
1 stop
EYW7:22 pmKey West
$405
Find similar
American Airlines
Sep 24
EYW11:25 amKey West
6h 49m
1 stop
SJU6:14 pmSan Juan Luis Munoz Marin Intl
Sep 27
SJU6:10 amSan Juan Luis Munoz Marin Intl
12h 49m
1 stop
EYW6:59 pmKey West
$430
Find similar
American Airlines
Nov 24
EYW1:33 pmKey West
10h 11m
1 stop
SJU12:44 amSan Juan Luis Munoz Marin Intl
Nov 29
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 01m
1 stop
EYW5:01 pmKey West
$530
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
Aug 27
EYW3:41 pmKey West
23h 03m
2 stops
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Aug 29
SJU4:55 pmSan Juan Luis Munoz Marin Intl
21h 19m
2 stops
EYW2:14 pmKey West
$1,112
Find similar
United Airlines
Nov 24
EYW4:00 pmKey West
28h 00m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Nov 28
SJU2:05 amSan Juan Luis Munoz Marin Intl
14h 14m
2 stops
EYW3:19 pmKey West
$1,268
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 August 26, 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

Wed 10/1

11:25 am-6:14 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Mon 10/6

11:56 am-7:22 pm

1 stop7h 26m

$405

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 9/24

11:25 am-6:14 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Sat 9/27

6:10 am-6:59 pm

1 stop12h 49m

$430

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 9/8

2:00 pm-10:07 pm

1 stop8h 07m

San Juan Luis Munoz Marin Intl

Fri 9/12

12:58 pm-8:07 pm

1 stop7h 09m

$525

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 11/24

1:33 pm-12:44 am

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Sat 11/29

6:00 am-5:01 pm

1 stop12h 01m

$530

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 9/8

3:45 pm-11:11 am

2 stops19h 26m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:40 pm-6:59 pm

1 stop5h 19m

$655

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 9/8

6:17 pm-12:50 pm

2 stops18h 33m

San Juan Luis Munoz Marin Intl

Fri 9/12

3:55 pm-11:13 am

2 stops19h 18m

$665

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 9/12

6:17 pm-12:50 pm

2 stops18h 33m

San Juan Luis Munoz Marin Intl

Sun 9/14

6:10 am-6:59 pm

1 stop12h 49m

$680

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 11/24

7:10 am-5:52 pm

2 stops9h 42m

San Juan Luis Munoz Marin Intl

Sat 11/29

6:00 am-4:13 pm

2 stops11h 13m

$709

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 11/24

2:25 pm-11:45 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Fri 11/28

1:59 am-10:19 am

2 stops33h 20m

$1,000

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 11/24

4:00 pm-9:00 pm

1 stop28h 00m

San Juan Luis Munoz Marin Intl

Fri 11/28

2:05 am-3:19 pm

2 stops14h 14m

$1,268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 49m, 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
10,000 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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