$176+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Sep 22 — Sep 291
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
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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 August 23, 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 August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop25h 36m
Wed 9/910:04 am -
2 stops27h 30m
Deal found 8/19![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop25h 36m
Sat 9/53:48 pm -
1 stop9h 08m
Deal found 8/19![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Wed 9/910:04 am -
2 stops27h 30m
Deal found 8/19![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 8/285:37 pm -
1 stop21h 25m
Wed 9/910:04 am -
2 stops27h 30m
Deal found 8/19![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Sat 9/53:48 pm -
1 stop9h 08m
Deal found 8/19![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 8/285:37 pm -
1 stop21h 25m
Sat 9/53:48 pm -
1 stop9h 08m
Deal found 8/19![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop25h 36m
Sun 9/611:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Sun 9/611:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 8/315:37 pm -
1 stop18h 57m
Fri 9/412:07 pm -
1 stop14h 08m
Deal found 8/19![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 8/315:37 pm -
1 stop18h 57m
Thu 9/311:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Thu 9/311:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop16h 47m
Fri 9/412:07 pm -
1 stop14h 08m
Deal found 8/19![Multiple Airlines logo]()
$301
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 August 23, 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 August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/28:43 pm -
1 stop14h 52m
Sun 9/611:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:56 pm -
1 stop7h 01m
Tue 9/82:00 pm -
1 stop8h 19m
Deal found 8/19![Delta logo]()
$626
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/154:38 pm -
2 stops20h 33m
Mon 9/216:27 pm -
2 stops19h 30m
Deal found 8/18![American Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/158:45 am -
2 stops24h 39m
Mon 9/2112:59 pm -
1 stop10h 59m
Deal found 8/18![Multiple Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sat 9/191:00 am -
1 stop12h 29m
Wed 9/232:20 pm -
1 stop9h 30m
Deal found 8/22![United Airlines logo]()
$915
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/23:10 am -
1 stop8h 15m
Sun 9/612:05 pm -
1 stop7h 33m
Deal found 8/19![Multiple Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/26:00 am -
2 stops10h 18m
Sat 9/54:56 pm -
2 stops21h 42m
Deal found 8/19![American Airlines logo]()
$735
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/36:00 am -
1 stop4h 56m
Thu 9/31:35 pm -
1 stop8h 20m
Deal found 8/20![American Airlines logo]()
$766
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 9/191:00 am -
1 stop12h 29m
Thu 9/242:15 pm -
1 stop21h 42m
Deal found 8/20![United Airlines logo]()
$1,033
Last-minute flights from Puerto Rico to Key WestDiscover last-minute flight deals from Puerto Rico to Key West. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Key West. Data last updated August 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 8/285:37 pm -
1 stop21h 25m
Wed 9/910:04 am -
2 stops27h 30m
Deal found 8/19![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 8/285:37 pm -
1 stop21h 25m
Sat 9/53:48 pm -
1 stop9h 08m
Deal found 8/19![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop25h 36m
Wed 9/910:04 am -
2 stops27h 30m
Deal found 8/19![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop25h 36m
Sat 9/53:48 pm -
1 stop9h 08m
Deal found 8/19![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop25h 36m
Sun 9/611:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/295:37 pm -
1 stop16h 47m
Fri 9/412:07 pm -
1 stop14h 08m
Deal found 8/19![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 8/315:37 pm -
1 stop18h 57m
Fri 9/412:07 pm -
1 stop14h 08m
Deal found 8/19![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 8/315:37 pm -
1 stop18h 57m
Thu 9/311:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Wed 9/910:04 am -
2 stops27h 30m
Deal found 8/19![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Sat 9/53:48 pm -
1 stop9h 08m
Deal found 8/19![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Sun 9/611:04 am -
1 stop13h 30m
Deal found 8/19![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/15:37 pm -
1 stop17h 29m
Fri 9/412:07 pm -
1 stop14h 08m
Deal found 8/19![Multiple Airlines logo]()
$291
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 August 23, 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 August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Fri 10/97:00 am -
2 stops26h 24m
Deal found 8/18![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/74:39 pm -
1 stop18h 42m
Deal found 8/18![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 9/45:50 pm -
2 stops41h 35m
Deal found 8/19![Multiple Airlines logo]()
$229
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 August 23, 2026.
Round-trip from | $329 (Kiwi.com) |
|---|---|
One-way from | $176 (Kiwi.com) |
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 7,457,451 searches. Data last updated August 23, 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 San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 9/2
8:43 pm-11:35 am
1 stop14h 52m
Key West
Sun 9/6
11:04 am-12:34 am
1 stop13h 30m
$340
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 9/15
8:45 am-9:24 am
2 stops24h 39m
Key West
Mon 9/21
12:59 pm-11:58 pm
1 stop10h 59m
$358
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 9/2
3:10 am-11:25 am
1 stop8h 15m
Key West
Sun 9/6
12:05 pm-7:38 pm
1 stop7h 33m
$468
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 9/2
12:56 pm-7:57 pm
1 stop7h 01m
Key West
Tue 9/8
2:00 pm-10:19 pm
1 stop8h 19m
$626
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 9/15
4:38 pm-1:11 pm
2 stops20h 33m
Key West
Mon 9/21
6:27 pm-1:57 pm
2 stops19h 30m
$646
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Wed 9/2
6:00 am-4:18 pm
2 stops10h 18m
Key West
Sat 9/5
4:56 pm-2:38 pm
2 stops21h 42m
$735
Quickest round-trip
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Thu 9/3
6:00 am-10:56 am
1 stop4h 56m
Key West
Thu 9/3
1:35 pm-9:55 pm
1 stop8h 20m
$766
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Sat 9/19
1:00 am-1:29 pm
1 stop12h 29m
Key West
Wed 9/23
2:20 pm-11:50 pm
1 stop9h 30m
$915
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Sat 9/19
1:00 am-1:29 pm
1 stop12h 29m
Key West
Thu 9/24
2:15 pm-11:57 am
1 stop21h 42m
$1,033
Cheapest one-way
San JuanKey West
SJU San Juan Luis Munoz Marin Intl - EYW Key West
SJUEYW
San Juan Luis Munoz Marin Intl
Fri 10/9
7:00 am-9:24 am
2 stops26h 24m
$176
Showing 1-10 of 12 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.
Related info for your journey
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