How do I get Price Alerts for flights from Puerto Rico to Key West?

Price Alerts will notify you by email when the price for flights to Key West from Puerto Rico decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Puerto Rico to Key West with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Puerto Rico to Key West Airport?

Prices for flights from Puerto Rico to Key West Airport are updated daily.

How old do you have to be to fly from Puerto Rico to Key West Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico 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.

$192 Cheap Flights from Puerto Rico to Key West in 2026

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Find the cheapest flights from Puerto Rico to Key West

Round-trip

One-way

Recent round-trip flight deals from Puerto Rico to Key West

Enter your travel dates to find the best prices.

5:01 pm - 9:09 am

SJU

EYW

17h 08m

1 stop

10:06 am - 11:33 pm

EYW

SJU

12h 27m

1 stop

$314Multiple Airlines

Sun, Jan 25 - Thu, Jan 29

5:01 pm - 9:09 am

SJU

EYW

17h 08m

1 stop

11:06 am - 7:26 pm

EYW

SJU

31h 20m

2 stops

$369Multiple Airlines

Sun, Jan 25 - Thu, Jan 29

1:24 pm - 7:10 pm

SJU

EYW

6h 46m

1 stop

7:45 pm - 10:00 am

EYW

SJU

13h 15m

1 stop

$426American Airlines

Tue, Feb 10 - Tue, Feb 17

6:00 am - 6:01 pm

SJU

EYW

13h 01m

2 stops

8:04 am - 9:34 pm

EYW

SJU

12h 30m

2 stops

$516American Airlines

Tue, Feb 10 - Tue, Feb 17

8:10 am - 4:22 pm

SJU

EYW

9h 12m

1 stop

2:25 pm - 12:36 am

EYW

SJU

9h 11m

1 stop

$691United Airlines

Thu, Jan 22 - Mon, Jan 26

8:35 am - 4:22 pm

SJU

EYW

32h 47m

2 stops

6:05 pm - 2:40 pm

EYW

SJU

19h 35m

2 stops

$694United Airlines

Thu, Jan 22 - Mon, Jan 26

8:35 am - 4:22 pm

SJU

EYW

32h 47m

2 stops

6:05 pm - 2:40 pm

EYW

SJU

19h 35m

2 stops

$728United Airlines

Thu, Jan 22 - Mon, Jan 26

8:10 am - 4:22 pm

SJU

EYW

9h 12m

1 stop

2:25 pm - 12:36 am

EYW

SJU

9h 11m

1 stop

$756United Airlines

Mon, Jan 26 - Fri, Jan 30

8:10 am - 4:22 pm

SJU

EYW

9h 12m

1 stop

2:25 pm - 12:36 am

EYW

SJU

9h 11m

1 stop

$766United Airlines

Thu, Jan 22 - Mon, Jan 26

8:10 am - 4:22 pm

SJU

EYW

9h 12m

1 stop

2:25 pm - 9:00 pm

EYW

SJU

29h 35m

2 stops

$798United Airlines

Mon, Jan 26 - Fri, Jan 30

American Airlines flights from Puerto Rico to Key West

Our best American Airlines deals on Puerto Rico to Key West flight tickets

American Airlines

Feb 10

SJU1:24 pmSan Juan Luis Munoz Marin Intl

6h 46m

1 stop

EYW7:10 pmKey West

Feb 17

EYW7:45 pmKey West

13h 15m

1 stop

SJU10:00 amSan Juan Luis Munoz Marin Intl

$426

American Airlines

Feb 10

SJU6:00 amSan Juan Luis Munoz Marin Intl

13h 01m

2 stops

EYW6:01 pmKey West

Feb 17

EYW8:04 amKey West

12h 30m

2 stops

SJU9:34 pmSan Juan Luis Munoz Marin Intl

$516

United Airlines flights from Puerto Rico to Key West

Our best United Airlines deals on Puerto Rico to Key West flight tickets

United Airlines

Jan 22

SJU8:10 amSan Juan Luis Munoz Marin Intl

9h 12m

1 stop

EYW4:22 pmKey West

Jan 26

EYW2:25 pmKey West

9h 11m

1 stop

SJU12:36 amSan Juan Luis Munoz Marin Intl

$691

United Airlines

Jan 22

SJU8:35 amSan Juan Luis Munoz Marin Intl

32h 47m

2 stops

EYW4:22 pmKey West

Jan 26

EYW6:05 pmKey West

19h 35m

2 stops

SJU2:40 pmSan Juan Luis Munoz Marin Intl

$694

United Airlines

Jan 22

SJU8:35 amSan Juan Luis Munoz Marin Intl

32h 47m

2 stops

EYW4:22 pmKey West

Jan 26

EYW6:05 pmKey West

19h 35m

2 stops

SJU2:40 pmSan Juan Luis Munoz Marin Intl

$728

Fly from

Fly to

Route

Depart

Return

Price

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 1/25

5:01 pm-9:09 am

1 stop17h 08m

Key West

Thu 1/29

10:06 am-11:33 pm

1 stop12h 27m

$314

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 1/25

5:01 pm-9:09 am

1 stop17h 08m

Key West

Thu 1/29

11:06 am-7:26 pm

2 stops31h 20m

$369

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 2/10

1:24 pm-7:10 pm

1 stop6h 46m

Key West

Tue 2/17

7:45 pm-10:00 am

1 stop13h 15m

$426

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 2/10

6:00 am-6:01 pm

2 stops13h 01m

Key West

Tue 2/17

8:04 am-9:34 pm

2 stops12h 30m

$516

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

8:10 am-4:22 pm

1 stop9h 12m

Key West

Mon 1/26

2:25 pm-12:36 am

1 stop9h 11m

$691

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

8:35 am-4:22 pm

2 stops32h 47m

Key West

Mon 1/26

6:05 pm-2:40 pm

2 stops19h 35m

$694

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

8:35 am-4:22 pm

2 stops32h 47m

Key West

Mon 1/26

6:05 pm-2:40 pm

2 stops19h 35m

$728

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 1/26

8:10 am-4:22 pm

1 stop9h 12m

Key West

Fri 1/30

2:25 pm-12:36 am

1 stop9h 11m

$756

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

8:10 am-4:22 pm

1 stop9h 12m

Key West

Mon 1/26

2:25 pm-12:36 am

1 stop9h 11m

$766

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 1/26

8:10 am-4:22 pm

1 stop9h 12m

Key West

Fri 1/30

2:25 pm-9:00 pm

2 stops29h 35m

$798

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Puerto Rico to Key West flight deals and tips

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

Fastest flight time	7h 26m
Direct flights	None

The fastest flight from Puerto Rico to Key West takes 7h 26m

There are no direct flights from Puerto Rico to Key West. There are no popular flight routes from Puerto Rico to Key West.

Search flight deals

When did momondo last update prices for flights from Puerto Rico to Key West Airport?
Prices for flights from Puerto Rico to Key West Airport are updated daily.
How old do you have to be to fly from Puerto Rico to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico 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.

How do I get Price Alerts for flights from Puerto Rico to Key West?
Price Alerts will notify you by email when the price for flights to Key West from Puerto Rico decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Puerto Rico to Key West with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Big Pine Key

Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Key West?

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

Can I find flights from Puerto Rico to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Puerto Rico to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to Key West?

Once you have performed a search for Puerto Rico to Key West 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 Puerto Rico to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Puerto Rico to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.