$186+ Cheap flights from Puerto Rico to Key West (EYW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Nov 29 — Dec 61
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to Key West
Keep the following information in mind while searching for Puerto Rico to Key West flight deals. Data was last updated October 30, 2025.
Round-trip from | $473 (American Airlines) |
|---|---|
One-way from | $186 (Kiwi.com) |
Find flight deals from Puerto Rico to Key West
Cheapest flights from Puerto Rico to Key WestExplore the most affordable flight options available from Puerto Rico to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
Explore the most affordable flight options available from Puerto Rico to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:39 pmSJU - EYW
1 stop10h 36mMultiple Airlines
Sun 11/98:55 amEYW - SJU
1 stop16h 59mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:39 pmSJU - EYW
1 stop10h 36mMultiple Airlines
Mon 11/108:55 amEYW - SJU
1 stop16h 59mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:05 amSJU - EYW
1 stop12h 17mAmerican Airlines
Sat 11/87:53 pmEYW - SJU
1 stop13h 24mAmerican Airlines
Deal found 10/29![American Airlines logo]()
$630
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:55 pmSJU - EYW
1 stop7h 28mAmerican Airlines
Sun 11/94:18 pmEYW - SJU
1 stop20h 25mAmerican Airlines
Deal found 10/30![American Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:45 amSJU - EYW
3 stops31h 19mUnited Airlines
Sun 11/92:42 pmEYW - SJU
3 stops29h 18mUnited Airlines
Deal found 10/29![United Airlines logo]()
$722
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Puerto Rico to Key West that are best for you.
Fly from
Puerto Rico
Fly to
Key West
Route
Depart
Return
Price
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 3/3
8:19 am-10:59 pm
1 stop15h 40m
Key West
Wed 3/4
3:20 pm-10:07 am
2 stops17h 47m
$473
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 12/30
6:00 am-11:20 am
1 stop6h 20m
$201
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Fri 1/9
5:28 pm-9:06 am
2 stops40h 38m
$213
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 12/30
11:38 am-1:30 pm
3 stops26h 52m
$269
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Thu 1/8
2:05 am-11:26 am
2 stops34h 21m
$549
Best time to book a flight from Puerto Rico to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Puerto Rico with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Puerto Rico to Key West
What is the cheapest time of day to fly from PR to EYW?
Find hourly flight availability from Puerto Rico to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.
It’s typically best to fly out from Puerto Rico to Key West in the afternoon. Doing so could potentially save you 56% on the flight price compared to flying at noon, which is usually more expensive.