Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Key West to Puerto Rico from $334

This is the cheapest round-trip 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 2/3. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.
11:40 am - 5:30 pmEYW-SJU
4h 50m1 stop
7:45 am - 1:08 pmSJU-EYW
6h 23m1 stop
$334American Airlines
Find Deal
Mon, Feb 3 - Fri, Feb 7
8:10 am - 9:59 pmEYW-SJU
12h 49m2 stops
6:15 am - 4:25 pmSJU-EYW
11h 10m2 stops
$335American Airlines
Find Deal
Thu, Jan 23 - Wed, Jan 29
8:10 am - 12:04 amEYW-SJU
14h 54m2 stops
12:50 pm - 4:37 pmSJU-EYW
4h 47m1 stop
$384American Airlines
Find Deal
Mon, Feb 3 - Fri, Feb 7
1:50 pm - 12:36 amEYW-SJU
9h 46m1 stop
2:05 am - 12:47 pmSJU-EYW
11h 42m1 stop
$457United Airlines
Find Deal
Thu, Jan 23 - Tue, Jan 28
10:29 am - 5:30 pmEYW-SJU
6h 01m1 stop
6:15 am - 4:37 pmSJU-EYW
11h 22m1 stop
$459American Airlines
Find Deal
Sat, Jan 4 - Fri, Jan 10
7:40 pm - 2:40 pmEYW-SJU
18h 00m2 stops
5:50 pm - 10:10 amSJU-EYW
17h 20m2 stops
$547United Airlines
Find Deal
Mon, Feb 3 - Fri, Feb 7
10:00 am - 10:22 pmEYW-SJU
11h 22m2 stops
2:05 am - 12:47 pmSJU-EYW
11h 42m1 stop
$591United Airlines
Find Deal
Thu, Jan 23 - Tue, Jan 28
7:40 pm - 2:40 pmEYW-SJU
18h 00m2 stops
2:05 am - 6:55 pmSJU-EYW
17h 50m2 stops
$620United Airlines
Find Deal
Mon, Feb 3 - Thu, Feb 6
4:50 pm - 9:28 pmEYW-SJU
27h 38m1 stop
2:05 am - 5:15 pmSJU-EYW
16h 10m2 stops
$687United Airlines
Find Deal
Mon, Feb 3 - Thu, Feb 6
12:25 pm - 10:22 pmEYW-SJU
8h 57m1 stop
2:05 am - 12:47 pmSJU-EYW
11h 42m1 stop
$797United Airlines
Find Deal
Mon, Feb 3 - Thu, Feb 6
3:05 pm - 3:04 amEYW-SJU
10h 59m1 stop
3:54 am - 2:20 pmSJU-EYW
11h 26m1 stop
Thu, Dec 26 - Wed, Jan 1
3:05 pm - 3:04 amEYW-SJU
10h 59m1 stop
6:00 am - 2:20 pmSJU-EYW
9h 20m1 stop
Thu, Dec 26 - Thu, Jan 2
12:58 pm - 12:26 amEYW-SJU
10h 28m2 stops
6:50 pm - 9:52 amSJU-EYW
16h 02m1 stop
$903American Airlines
Find Deal
Thu, Dec 26 - Thu, Jan 2
2:22 pm - 12:36 amEYW-SJU
9h 14m1 stop
2:05 am - 6:55 pmSJU-EYW
17h 50m2 stops
$1,126United Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 1
10:55 am - 6:12 amEYW-SJU
18h 17m2 stops
2:05 am - 6:55 pmSJU-EYW
17h 50m2 stops
$1,184United Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 1
10:55 am - 6:12 amEYW-SJU
18h 17m2 stops
10:15 am - 10:10 amSJU-EYW
24h 55m2 stops
$1,222United Airlines
Find Deal
Thu, Dec 26 - 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 3
EYW11:40 amKey West
4h 50m
1 stop
SJU5:30 pmSan Juan Luis Munoz Marin Intl
Feb 7
SJU7:45 amSan Juan Luis Munoz Marin Intl
6h 23m
1 stop
EYW1:08 pmKey West
American Airlines
Jan 23
EYW8:10 amKey West
12h 49m
2 stops
SJU9:59 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU6:15 amSan Juan Luis Munoz Marin Intl
11h 10m
2 stops
EYW4:25 pmKey West
American Airlines
Feb 3
EYW8:10 amKey West
14h 54m
2 stops
SJU12:04 amSan Juan Luis Munoz Marin Intl
Feb 7
SJU12:50 pmSan Juan Luis Munoz Marin Intl
4h 47m
1 stop
EYW4:37 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 23
EYW1:50 pmKey West
9h 46m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
Jan 28
SJU2:05 amSan Juan Luis Munoz Marin Intl
11h 42m
1 stop
EYW12:47 pmKey West
United Airlines
Feb 3
EYW7:40 pmKey West
18h 00m
2 stops
SJU2:40 pmSan Juan Luis Munoz Marin Intl
Feb 7
SJU5:50 pmSan Juan Luis Munoz Marin Intl
17h 20m
2 stops
EYW10:10 amKey West
United Airlines
Jan 23
EYW10:00 amKey West
11h 22m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU2:05 amSan Juan Luis Munoz Marin Intl
11h 42m
1 stop
EYW12:47 pmKey West

See travel insights to Puerto Rico from

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 day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Key West is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $448. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Wednesday, with ticket prices averaging around $448.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from Key West to Puerto Rico during this time can be as low as $366. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $448.

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

$334

Fastest flight time

4h 50m

Direct flights

None

Airports in Puerto Rico

1 airport
The best flight deal from Key West to Puerto Rico found on momondo in the last 72 hours is $334
The fastest flight from Key West to Puerto Rico takes 4h 50m
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.


An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 12/28
Sat 1/4
Email me momondo's favorite deals

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

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