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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Key West from $178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Key West departing on 1/29. 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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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:10 am - 7:07 amSJU-EYW
25h 57m1 stop
Multiple Airlines Logo
12:15 pm - 8:27 pmEYW-SJU
7h 12m1 stop
$416Multiple Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30
Multiple Airlines Logo
5:19 pm - 7:07 amSJU-EYW
14h 48m2 stops
Multiple Airlines Logo
12:15 pm - 8:27 pmEYW-SJU
7h 12m1 stop
$449Multiple Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30
Multiple Airlines Logo
5:09 pm - 8:15 amSJU-EYW
16h 06m1 stop
Multiple Airlines Logo
9:57 am - 12:54 amEYW-SJU
13h 57m1 stop
$477Multiple Airlines
Find Deal
Wed, Dec 24 - Fri, Dec 26
American Airlines Logo
6:50 pm - 1:05 pmSJU-EYW
19h 15m2 stops
American Airlines Logo
3:57 pm - 11:20 pmEYW-SJU
6h 23m1 stop
$550American Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
2:45 pm - 11:59 pmSJU-EYW
10h 14m1 stop
American Airlines Logo
3:57 pm - 11:20 pmEYW-SJU
6h 23m1 stop
$555American Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
5:24 am - 3:57 pmSJU-EYW
11h 33m2 stops
American Airlines Logo
4:03 pm - 11:34 pmEYW-SJU
6h 31m1 stop
$559American Airlines
Find Deal
Wed, Dec 24 - Fri, Dec 26
Multiple Airlines Logo
4:21 am - 1:30 pmSJU-EYW
10h 09m1 stop
Multiple Airlines Logo
9:57 am - 8:58 amEYW-SJU
22h 01m1 stop
$616Multiple Airlines
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Tue, Dec 23 - Fri, Dec 26
Spirit Airlines Logo
4:21 am - 1:30 pmSJU-EYW
10h 09m1 stop
Spirit Airlines Logo
2:30 pm - 12:38 amEYW-SJU
33h 08m3 stops
$790Spirit Airlines
Find Deal
Tue, Dec 23 - Fri, Dec 26
Spirit Airlines Logo
2:59 am - 1:30 pmSJU-EYW
11h 31m2 stops
Spirit Airlines Logo
2:30 pm - 12:38 amEYW-SJU
33h 08m3 stops
$813Spirit Airlines
Find Deal
Tue, Dec 23 - Fri, Dec 26
Spirit Airlines Logo
2:59 am - 11:20 amSJU-EYW
33h 21m3 stops
Spirit Airlines Logo
2:30 pm - 12:38 amEYW-SJU
33h 08m3 stops
$841Spirit Airlines
Find Deal
Tue, Dec 23 - Fri, Dec 26

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

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to Key West flight tickets
American Airlines
Mar 3
SJU6:50 pmSan Juan Luis Munoz Marin Intl
19h 15m
2 stops
EYW1:05 pmKey West
Mar 4
EYW3:57 pmKey West
6h 23m
1 stop
SJU11:20 pmSan Juan Luis Munoz Marin Intl
$550
Find similar
American Airlines
Mar 3
SJU2:45 pmSan Juan Luis Munoz Marin Intl
10h 14m
1 stop
EYW11:59 pmKey West
Mar 4
EYW3:57 pmKey West
6h 23m
1 stop
SJU11:20 pmSan Juan Luis Munoz Marin Intl
$555
Find similar
American Airlines
Dec 24
SJU5:24 amSan Juan Luis Munoz Marin Intl
11h 33m
2 stops
EYW3:57 pmKey West
Dec 26
EYW4:03 pmKey West
6h 31m
1 stop
SJU11:34 pmSan Juan Luis Munoz Marin Intl
$559
Find similar

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

Our best Spirit Airlines deals on San Juan Luis Munoz Marin Intl Airport to Key West flight tickets
Spirit Airlines
Dec 23
SJU4:21 amSan Juan Luis Munoz Marin Intl
10h 09m
1 stop
EYW1:30 pmKey West
Dec 26
EYW2:30 pmKey West
33h 08m
3 stops
SJU12:38 amSan Juan Luis Munoz Marin Intl
$790
Find similar
Spirit Airlines
Dec 23
SJU2:59 amSan Juan Luis Munoz Marin Intl
11h 31m
2 stops
EYW1:30 pmKey West
Dec 26
EYW2:30 pmKey West
33h 08m
3 stops
SJU12:38 amSan Juan Luis Munoz Marin Intl
$813
Find similar
Spirit Airlines
Dec 23
SJU2:59 amSan Juan Luis Munoz Marin Intl
33h 21m
3 stops
EYW11:20 amKey West
Dec 26
EYW2:30 pmKey West
33h 08m
3 stops
SJU12:38 amSan Juan Luis Munoz Marin Intl
$841
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Key West 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 23, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 11/25

6:10 am-7:07 am

1 stop25h 57m

Key West

Sun 11/30

12:15 pm-8:27 pm

1 stop7h 12m

$416

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 11/25

5:19 pm-7:07 am

2 stops14h 48m

Key West

Sun 11/30

12:15 pm-8:27 pm

1 stop7h 12m

$449

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Wed 12/24

5:09 pm-8:15 am

1 stop16h 06m

Key West

Fri 12/26

9:57 am-12:54 am

1 stop13h 57m

$477

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 3/3

6:50 pm-1:05 pm

2 stops19h 15m

Key West

Wed 3/4

3:57 pm-11:20 pm

1 stop6h 23m

$550

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 3/3

2:45 pm-11:59 pm

1 stop10h 14m

Key West

Wed 3/4

3:57 pm-11:20 pm

1 stop6h 23m

$555

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Wed 12/24

5:24 am-3:57 pm

2 stops11h 33m

Key West

Fri 12/26

4:03 pm-11:34 pm

1 stop6h 31m

$559

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 12/23

4:21 am-1:30 pm

1 stop10h 09m

Key West

Fri 12/26

9:57 am-8:58 am

1 stop22h 01m

$616

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 12/23

4:21 am-1:30 pm

1 stop10h 09m

Key West

Fri 12/26

2:30 pm-12:38 am

3 stops33h 08m

$790

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 12/23

2:59 am-1:30 pm

2 stops11h 31m

Key West

Fri 12/26

2:30 pm-12:38 am

3 stops33h 08m

$813

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 12/23

2:59 am-11:20 am

3 stops33h 21m

Key West

Fri 12/26

2:30 pm-12:38 am

3 stops33h 08m

$841

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Key West

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 Key West?

On average, the least expensive day to fly to Key West from San Juan Luis Munoz Marin Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $423. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San Juan Luis Munoz Marin Intl Airport to Key West for around $703.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from San Juan Luis Munoz Marin Intl Airport to Key West in the morning for as low as $478. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $633. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

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

Direct flights

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

    There are 1098.2 mi between San Juan Luis Munoz Marin Intl and Key West. In terms of flight time, this usually takes a little over 4h 52m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Juan to Key West for you.

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

All flight searches from San Juan to Key West on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential San Juan to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from San Juan to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.

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