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Cheap flights from San Juan to Key West from $233

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 to Key West departing on 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Juan to Key West

Cheap round-trip flights

American Airlines Logo
7:10 am - 9:56 pmSJU-EYW
14h 46m1 stop
American Airlines Logo
8:00 pm - 12:05 pmEYW-SJU
15h 05m1 stop
$390American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
American Airlines Logo
7:05 am - 9:56 pmSJU-EYW
14h 51m2 stops
American Airlines Logo
8:00 pm - 12:05 pmEYW-SJU
15h 05m1 stop
$520American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
JetBlue Logo
2:31 pm - 12:53 pmSJU-EYW
22h 22m2 stops
JetBlue Logo
12:45 pm - 3:48 amEYW-SJU
14h 03m2 stops
$1,143JetBlue
Find Deal
Sat, Nov 1 - Sat, Nov 8
Logo
1:05 am - 2:04 pmSJU-EYW
12h 59m1 stop
Logo
3:00 pm - 11:50 amEYW-SJU
43h 50m2 stops
$1,500
Find Deal
Fri, Oct 31 - Sat, Nov 8
Logo
1:05 am - 3:19 pmSJU-EYW
14h 14m2 stops
Logo
3:00 pm - 12:05 pmEYW-SJU
44h 05m2 stops
$2,391
Find Deal
Fri, Oct 31 - Sat, Nov 8
Logo
4:50 pm - 3:04 pmSJU-EYW
22h 14m3 stops
Logo
3:00 pm - 11:50 amEYW-SJU
43h 50m2 stops
$2,427
Find Deal
Sat, Nov 1 - Sat, Nov 8

American Airlines flights from San Juan to Key West

Our best American Airlines deals on San Juan to Key West flight tickets
American Airlines
Nov 1
SJU7:10 amSan Juan Luis Munoz Marin Intl
14h 46m
1 stop
EYW9:56 pmKey West
Nov 8
EYW8:00 pmKey West
15h 05m
1 stop
SJU12:05 pmSan Juan Luis Munoz Marin Intl
$390
Find similar
American Airlines
Nov 1
SJU7:05 amSan Juan Luis Munoz Marin Intl
14h 51m
2 stops
EYW9:56 pmKey West
Nov 8
EYW8:00 pmKey West
15h 05m
1 stop
SJU12:05 pmSan Juan Luis Munoz Marin Intl
$520
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan 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 August 25, 2025.
Use the filters below to find and compare flights from San Juan 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

Sat 11/1

7:10 am-9:56 pm

1 stop14h 46m

Key West

Sat 11/8

8:00 pm-12:05 pm

1 stop15h 05m

$390

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 11/1

7:05 am-9:56 pm

2 stops14h 51m

Key West

Sat 11/8

8:00 pm-12:05 pm

1 stop15h 05m

$520

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 11/1

2:31 pm-12:53 pm

2 stops22h 22m

Key West

Sat 11/8

12:45 pm-3:48 am

2 stops14h 03m

$1,143

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 10/31

1:05 am-2:04 pm

1 stop12h 59m

Key West

Sat 11/8

3:00 pm-11:50 am

2 stops43h 50m

$1,500

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 10/31

1:05 am-3:19 pm

2 stops14h 14m

Key West

Sat 11/8

3:00 pm-12:05 pm

2 stops44h 05m

$2,391

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 11/1

4:50 pm-3:04 pm

3 stops22h 14m

Key West

Sat 11/8

3:00 pm-11:50 am

2 stops43h 50m

$2,427

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 12/14

6:00 am-4:57 pm

1 stop11h 57m

$233

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 9/12

11:59 am-11:39 am

2 stops47h 40m

$244

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 9/11

12:28 am-9:02 am

3 stops32h 34m

$260

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 9/12

12:58 pm-8:07 pm

1 stop7h 09m

$263

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 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 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 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 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.

Cheap San Juan to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan to Key West

Direct flights

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

    Key West is 1091.2 mi away from San Juan. Typically, this will take 12h 59m by plane in normal conditions.

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

    Prices for flights from San Juan to Key West Airport refresh daily.

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

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

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

    The travel and health documents required for your trip to Key West 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 Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Juan to Key West

Compare and see reviews for airlines that fly from San Juan to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $393Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to Key West. Millions of users trust and use momondo every year so you are in good hands.

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

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

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?

Price alerts on flights to Key West from San Juan 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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