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Cheap flights from Key West to Puerto Rico from $225

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 Puerto Rico departing on 1/5. 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 Puerto Rico

Cheap round-trip flights

These are some of the best round-trip flight deals from Key West to Puerto Rico that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Key West to Puerto Rico.

Cheap last minute flights

Planning a quick getaway from Key West to Puerto Rico? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Puerto Rico, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Key West to Puerto Rico

Find recent round-trip train or bus tickets from Key West to Puerto Rico.

All round-trip flight deals to Puerto Rico

The cheapest plane tickets to Puerto Rico found on KAYAK recently.
1:45 pm - 11:56 pmEYW-SJU
9h 11m1 stop
6:00 am - 5:32 pmSJU-EYW
12h 32m1 stop
$327American Airlines
Find Deal
Fri, Feb 21 - Fri, Feb 28
7:29 pm - 12:00 pmEYW-SJU
15h 31m1 stop
7:50 am - 4:37 pmSJU-EYW
9h 47m1 stop
$359American Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 11
7:59 pm - 12:00 pmEYW-SJU
15h 01m1 stop
12:50 pm - 6:51 pmSJU-EYW
7h 01m1 stop
$418American Airlines
Find Deal
Mon, Jan 6 - Mon, Jan 13
8:09 am - 5:30 pmEYW-SJU
8h 21m2 stops
7:50 am - 6:37 pmSJU-EYW
11h 47m1 stop
$453American Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 11
10:52 am - 9:35 amEYW-SJU
21h 43m2 stops
10:09 pm - 5:02 pmSJU-EYW
19h 53m2 stops
Wed, Jan 8 - Sat, Jan 11
7:40 pm - 2:40 pmEYW-SJU
18h 00m2 stops
2:05 am - 12:47 pmSJU-EYW
11h 42m1 stop
$500United Airlines
Find Deal
Mon, Jan 6 - Sun, Jan 12
10:55 am - 6:12 amEYW-SJU
18h 17m2 stops
7:45 am - 6:55 pmSJU-EYW
36h 10m2 stops
$514United Airlines
Find Deal
Fri, Feb 21 - Fri, Feb 28
1:50 pm - 12:36 amEYW-SJU
9h 46m1 stop
2:05 am - 6:55 pmSJU-EYW
17h 50m2 stops
$529United Airlines
Find Deal
Wed, Jan 8 - Fri, Jan 10
3:05 pm - 11:59 pmEYW-SJU
7h 54m1 stop
3:26 am - 11:52 amSJU-EYW
9h 26m1 stop
$621JetBlue
Find Deal
Fri, Feb 21 - Thu, Feb 27
10:55 am - 5:56 pmEYW-SJU
6h 01m1 stop
3:00 am - 10:10 amSJU-EYW
8h 10m1 stop
$673JetBlue
Find Deal
Sun, Jan 5 - Sun, Jan 5
5:56 pm - 1:59 amEYW-SJU
31h 03m3 stops
Sun, Jan 5
10:29 am - 8:18 pmEYW-SJU
8h 49m1 stop
$256American Airlines
Find Deal
Sun, Jan 5
5:56 pm - 1:59 amEYW-SJU
31h 03m3 stops
Thu, Jan 2
5:56 pm - 1:59 amEYW-SJU
31h 03m3 stops
Thu, Jan 2
1:52 pm - 12:26 amEYW-SJU
9h 34m1 stop
$312American Airlines
Find Deal
Thu, Jan 2
6:00 pm - 2:40 pmEYW-SJU
19h 40m2 stops
$409United Airlines
Find Deal
Sun, Jan 5
6:00 pm - 8:55 pmEYW-SJU
25h 55m2 stops
$410United Airlines
Find Deal
Thu, Jan 2

American Airlines flights from Key West to Puerto Rico

Our best American Airlines deals on Key West to Puerto Rico flight tickets
American Airlines
Feb 21
EYW1:45 pmKey West
9h 11m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Feb 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 32m
1 stop
EYW5:32 pmKey West
American Airlines
Jan 8
EYW7:29 pmKey West
15h 31m
1 stop
SJU12:00 pmSan Juan Luis Munoz Marin Intl
Jan 11
SJU7:50 amSan Juan Luis Munoz Marin Intl
9h 47m
1 stop
EYW4:37 pmKey West
American Airlines
Jan 6
EYW7:59 pmKey West
15h 01m
1 stop
SJU12:00 pmSan Juan Luis Munoz Marin Intl
Jan 13
SJU12:50 pmSan Juan Luis Munoz Marin Intl
7h 01m
1 stop
EYW6:51 pmKey West

United Airlines flights from Key West to Puerto Rico

Our best United Airlines deals on Key West to Puerto Rico flight tickets
United Airlines
Jan 6
EYW7:40 pmKey West
18h 00m
2 stops
SJU2:40 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU2:05 amSan Juan Luis Munoz Marin Intl
11h 42m
1 stop
EYW12:47 pmKey West
United Airlines
Feb 21
EYW10:55 amKey West
18h 17m
2 stops
SJU6:12 amSan Juan Luis Munoz Marin Intl
Feb 28
SJU7:45 amSan Juan Luis Munoz Marin Intl
36h 10m
2 stops
EYW6:55 pmKey West
United Airlines
Jan 8
EYW1:50 pmKey West
9h 46m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
Jan 10
SJU2:05 amSan Juan Luis Munoz Marin Intl
17h 50m
2 stops
EYW6:55 pmKey West

How to get the cheapest flight ticket from Key West to Puerto Rico

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 airline that flies to Puerto Rico from Key West?

American Airlines. American Airlines is the most popular carrier operating from Key West to Puerto Rico

What is the cheapest Key West to Puerto Rico flight route?

Key West - San Juan Luis Munoz Marin Intl. Fly from Key West to San Juan Luis Munoz Marin Intl for the best Key West - Puerto Rico flight prices

Cheap Key West to Puerto Rico flight deals and tips

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

Best Price Found

$225

Fastest flight time

4h 03m

Direct flights

None

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from Key West in the past 72 hours is $225. The best round-trip flight deal from Key West to Puerto Rico found on momondo in the last 72 hours is $327.
The fastest flight from Key West to Puerto Rico takes 4h 03m
There are no direct flights from Key West to Puerto Rico. Popular non-direct route for this connection is Key West Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)

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

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

  • How many operators does momondo search for flights from Key West Airport to Puerto Rico?

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

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

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


Best airlines flying from Key West to Puerto Rico

Compare and see reviews for airlines that fly from Key West to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

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 Puerto Rico from Key West.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Puerto Rico.

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

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


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Popular flights according to clicks in the last 7 days on momondo