$212+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
May 8 — May 151
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to Key West with Cheapflights
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
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Best
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One-way
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 April 8, 2026.
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 April 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/28:27 pm
SJU
- EYW
1 stop16h 52m
Multiple Airlines
Sat 5/911:54 am
EYW
- SJU
2 stops35h 34m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sun 5/178:04 pm
SJU
- EYW
2 stops16h 27m
Multiple Airlines
Thu 5/2112:05 pm
EYW
- SJU
1 stop12h 14m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 6/172:59 am
SJU
- EYW
1 stop8h 26m
Multiple Airlines
Mon 6/2212:07 pm
EYW
- SJU
2 stops27h 51m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Wed 6/175:15 pm
SJU
- EYW
2 stops18h 10m
Multiple Airlines
Sun 6/219:16 pm
EYW
- SJU
1 stop10h 53m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Tue 6/24:46 pm
SJU
- EYW
1 stop18h 20m
Multiple Airlines
Fri 6/512:07 pm
EYW
- SJU
1 stop12h 12m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/162:59 am
SJU
- EYW
1 stop10h 08m
Multiple Airlines
Sun 5/173:08 pm
EYW
- SJU
1 stop8h 49m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 6/306:00 am
SJU
- EYW
1 stop13h 10m
American Airlines
Thu 7/27:40 pm
EYW
- SJU
1 stop15h 24m
American Airlines
Deal found 4/3![American Airlines logo]()
$447
Best flights from Puerto Rico to Key WestDiscover carefully curated flight deals from Puerto Rico to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 8, 2026.
Discover carefully curated flight deals from Puerto Rico to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 6/172:59 am
SJU
- EYW
1 stop8h 26m
Multiple Airlines
Mon 6/2212:07 pm
EYW
- SJU
2 stops27h 51m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 6/306:00 am
SJU
- EYW
1 stop13h 10m
American Airlines
Thu 7/27:40 pm
EYW
- SJU
1 stop15h 24m
American Airlines
Deal found 4/3![American Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 4/217:20 am
SJU
- EYW
1 stop9h 22m
United Airlines
Sat 4/252:35 pm
EYW
- SJU
1 stop9h 15m
United Airlines
Deal found 4/6![United Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/162:59 am
SJU
- EYW
1 stop10h 08m
Multiple Airlines
Thu 5/2112:05 pm
EYW
- SJU
1 stop12h 14m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/211:43 am
SJU
- EYW
1 stop4h 47m
American Airlines
Sat 5/94:53 pm
EYW
- SJU
1 stop17h 55m
American Airlines
Deal found 4/3![American Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 8/56:30 am
SJU
- EYW
2 stops27h 54m
Multiple Airlines
Sun 8/912:05 pm
EYW
- SJU
1 stop10h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Tue 6/26:00 am
SJU
- EYW
2 stops12h 49m
American Airlines
Fri 6/57:29 pm
EYW
- SJU
2 stops15h 34m
American Airlines
Deal found 4/5![American Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 4/5. 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 6/186:00 am
SJU
- EYW
2 stops12h 49m
American Airlines
Mon 6/227:29 pm
EYW
- SJU
2 stops14h 10m
American Airlines
Deal found 4/5![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Wed 6/176:00 am
SJU
- EYW
1 stop4h 56m
American Airlines
Wed 6/177:29 pm
EYW
- SJU
2 stops14h 10m
American Airlines
Deal found 4/3![American Airlines logo]()
$661
Last-minute flights from Puerto Rico to Key WestDiscover last-minute flight deals from Puerto Rico to Key West. Data last updated April 8, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Key West. Data last updated April 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/3. 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 4/97:20 am
SJU
- EYW
2 stops30h 11m
United Airlines
Mon 4/136:22 pm
EYW
- SJU
3 stops21h 20m
United Airlines
Deal found 4/3![United Airlines logo]()
$972
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 4/217:20 am
SJU
- EYW
1 stop9h 22m
United Airlines
Sat 4/252:35 pm
EYW
- SJU
1 stop9h 15m
United Airlines
Deal found 4/6![United Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/28:27 pm
SJU
- EYW
1 stop16h 52m
Multiple Airlines
Sat 5/911:54 am
EYW
- SJU
2 stops35h 34m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/211:43 am
SJU
- EYW
1 stop4h 47m
American Airlines
Sat 5/94:53 pm
EYW
- SJU
1 stop17h 55m
American Airlines
Deal found 4/3![American Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/162:59 am
SJU
- EYW
1 stop10h 08m
Multiple Airlines
Sun 5/173:08 pm
EYW
- SJU
1 stop8h 49m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sun 5/178:04 pm
SJU
- EYW
2 stops16h 27m
Multiple Airlines
Thu 5/2112:05 pm
EYW
- SJU
1 stop12h 14m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/175:45 am
SJU
- EYW
2 stops11h 17m
American Airlines
Sun 5/177:30 pm
EYW
- SJU
1 stop9h 02m
American Airlines
Deal found 4/3![American Airlines logo]()
$721
One-way flights from Puerto Rico to Key WestSearch for one-way flight options from Puerto Rico to Key West. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
Search for one-way flight options from Puerto Rico to Key West. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
This eDestinos deal was found by Cheapflights users on 4/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:21 am
SJU
- EYW
1 stop9h 05m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$212
This eDestinos deal was found by Cheapflights users on 4/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:17 pm
SJU
- EYW
2 stops37h 49m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Fri 4/2411:43 am
SJU
- EYW
2 stops10h 53m
American Airlines
Deal found 4/6![American Airlines logo]()
$218
Find 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 April 8, 2026.
Round-trip from | $306 (Kiwi.com) |
|---|---|
One-way from | $212 (eDestinos) |
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 April 8, 2026.
Use the filters below to find and compare flights from Puerto Rico to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 6/17
2:59 am-11:25 am
1 stop8h 26m
Key West
Mon 6/22
12:07 pm-3:58 pm
2 stops27h 51m
$366
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Sat 5/16
2:59 am-1:07 pm
1 stop10h 08m
Key West
Thu 5/21
12:05 pm-12:19 am
1 stop12h 14m
$370
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 6/30
6:00 am-7:10 pm
1 stop13h 10m
Key West
Thu 7/2
7:40 pm-11:04 am
1 stop15h 24m
$447
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Sat 5/2
11:43 am-4:30 pm
1 stop4h 47m
Key West
Sat 5/9
4:53 pm-10:48 am
1 stop17h 55m
$511
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 8/5
6:30 am-10:24 am
2 stops27h 54m
Key West
Sun 8/9
12:05 pm-10:35 pm
1 stop10h 30m
$545
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 6/2
6:00 am-6:49 pm
2 stops12h 49m
Key West
Fri 6/5
7:29 pm-11:03 am
2 stops15h 34m
$570
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Thu 6/18
6:00 am-6:49 pm
2 stops12h 49m
Key West
Mon 6/22
7:29 pm-9:39 am
2 stops14h 10m
$648
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 6/17
6:00 am-10:56 am
1 stop4h 56m
Key West
Wed 6/17
7:29 pm-9:39 am
2 stops14h 10m
$661
Quickest round-trip
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 4/21
7:20 am-4:42 pm
1 stop9h 22m
Key West
Sat 4/25
2:35 pm-11:50 pm
1 stop9h 15m
$716
Cheapest one-way
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Fri 4/24
7:17 pm-9:06 am
2 stops37h 49m
$217
Showing 1-10 of 13 resultsSorted by cheapest first
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.
SJU-EYW
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
PR0-EYW
SJU-EYW
No data available for this route at this time. Please check back soon.
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