$144+ Cheap flights from Puerto Rico to Cancún (CUN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — CUN
Oct 5 — Oct 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Puerto Rico to Cancún 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 Cancún
Cheapest
Best
Last-minute
One-way
Cheapest flights from Puerto Rico to CancúnExplore the most affordable flight options available from Puerto Rico to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Puerto Rico to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:24 pm -
1 stop5h 46m
Sat 12/1212:35 pm -
1 stop5h 45m
Deal found 9/2![Arajet logo]()
$314
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:01 am -
1 stop9h 09m
Sat 10/2412:35 pm -
1 stop5h 55m
Deal found 9/3![Multiple Airlines logo]()
$337
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:01 am -
1 stop11h 14m
Sat 12/1212:35 pm -
1 stop5h 45m
Deal found 9/1![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/106:16 pm -
1 stop17h 30m
Sat 10/1712:35 pm -
1 stop5h 55m
Deal found 9/4![Multiple Airlines logo]()
$354
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:25 am -
1 stop6h 29m
Sat 11/2112:35 pm -
1 stop5h 45m
Deal found 9/1![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/106:16 pm -
1 stop17h 30m
Fri 10/167:01 am -
1 stop8h 13m
Deal found 9/4![Copa Airlines logo]()
$356
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:01 am -
1 stop9h 09m
Tue 10/2012:14 pm -
1 stop9h 01m
Deal found 8/31![JetBlue logo]()
$359
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:45 pm -
1 stop12h 27m
Thu 12/1010:25 am -
1 stop10h 17m
Deal found 9/1![JetBlue logo]()
$361
This Travelocity deal was found by Cheapflights users on 9/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:24 pm -
1 stop5h 46m
Wed 11/113:03 pm -
1 stop7h 02m
Deal found 9/2![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Mon 9/285:33 am -
1 stop8h 22m
Wed 9/307:01 am -
1 stop8h 13m
Deal found 9/3![Copa Airlines logo]()
$364
Best flights from Puerto Rico to CancúnDiscover carefully curated flight deals from Puerto Rico to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Puerto Rico to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:33 am -
1 stop17h 28m
Sat 10/247:01 am -
1 stop8h 13m
Deal found 9/2![Copa Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 am -
1 stop10h 30m
Tue 10/272:45 pm -
1 stop8h 05m
Deal found 9/2![Southwest logo]()
$390
This Copa Airlines deal was found by Cheapflights users on 9/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:34 am -
1 stop17h 33m
Tue 12/87:05 am -
1 stop8h 03m
Deal found 9/3![Copa Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:00 am -
1 stop8h 00m
Sat 10/242:10 pm -
2 stops18h 00m
Deal found 9/3![Southwest logo]()
$394
This Copa Airlines deal was found by Cheapflights users on 9/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:13 pm -
1 stop17h 33m
Thu 12/1011:17 am -
1 stop10h 00m
Deal found 9/2![Copa Airlines logo]()
$378
This Copa Airlines deal was found by Cheapflights users on 8/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:16 pm -
1 stop16h 44m
Mon 9/281:54 pm -
1 stop25h 20m
Deal found 8/31![Copa Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:35 am -
1 stop12h 20m
Wed 11/112:10 pm -
1 stop9h 35m
Deal found 9/4![Southwest logo]()
$426
This Copa Airlines deal was found by Cheapflights users on 9/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 pm -
1 stop17h 30m
Sun 10/47:01 am -
1 stop14h 28m
Deal found 9/3![Copa Airlines logo]()
$429
This Copa Airlines deal was found by Cheapflights users on 9/1. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/145:30 am -
1 stop17h 37m
Mon 1/187:05 am -
1 stop14h 14m
Deal found 9/1![Copa Airlines logo]()
$445
This Copa Airlines deal was found by Cheapflights users on 8/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:16 pm -
1 stop17h 30m
Fri 9/181:54 pm -
1 stop25h 20m
Deal found 8/31![Copa Airlines logo]()
$446
Last-minute flights from Puerto Rico to CancúnDiscover last-minute flight deals from Puerto Rico to Cancún. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Cancún. Data last updated September 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:16 pm -
1 stop28h 45m
Wed 9/3011:15 pm -
2 stops22h 58m
Deal found 9/3![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:16 pm -
1 stop28h 45m
Thu 10/111:15 pm -
2 stops22h 58m
Deal found 9/3![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 9/256:33 am -
1 stop31h 04m
Wed 9/3011:15 pm -
2 stops22h 58m
Deal found 9/3![Multiple Airlines logo]()
$365
This Copa Airlines deal was found by Cheapflights users on 9/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:16 pm -
1 stop22h 19m
Wed 9/307:01 am -
1 stop8h 13m
Deal found 9/3![Copa Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Mon 9/285:33 am -
1 stop8h 22m
Wed 9/307:01 am -
1 stop8h 13m
Deal found 9/3![Copa Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:30 am -
1 stop10h 30m
Fri 10/91:00 pm -
1 stop10h 10m
Deal found 9/3![Southwest logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/106:16 pm -
1 stop17h 30m
Sat 10/1712:35 pm -
1 stop5h 55m
Deal found 9/4![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/106:16 pm -
1 stop17h 30m
Fri 10/167:01 am -
1 stop8h 13m
Deal found 9/4![Copa Airlines logo]()
$356
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:55 am -
1 stop6h 15m
Sat 10/1712:35 pm -
1 stop5h 55m
Deal found 9/4![Multiple Airlines logo]()
$345
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:01 am -
1 stop9h 09m
Tue 10/2012:14 pm -
1 stop9h 01m
Deal found 8/31![JetBlue logo]()
$359
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:01 am -
1 stop9h 09m
Sat 10/2412:35 pm -
1 stop5h 55m
Deal found 9/3![Multiple Airlines logo]()
$337
This Copa Airlines deal was found by Cheapflights users on 8/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:33 am -
1 stop17h 28m
Sat 10/247:01 am -
1 stop8h 13m
Deal found 8/31![Copa Airlines logo]()
$366
One-way flights from Puerto Rico to CancúnSearch for one-way flight options from Puerto Rico to Cancún. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Puerto Rico to Cancún. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 1/214:24 pm -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Arajet logo]()
$144
This Copa Airlines deal was found by Cheapflights users on 9/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:14 pm -
1 stop17h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Copa Airlines logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:10 am -
1 stop7h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$178
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:25 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/216:16 pm -
1 stop28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Copa Airlines logo]()
$185
This Copa Airlines deal was found by Cheapflights users on 9/5. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:16 pm -
1 stop17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Copa Airlines logo]()
$186
This Copa Airlines deal was found by Cheapflights users on 9/1. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:16 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Copa Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:30 am -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$190
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/66:30 am -
2 stops14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:25 pm -
2 stops16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Southwest logo]()
$195
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/124:38 pm -
2 stops19h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$197
This Copa Airlines deal was found by Cheapflights users on 9/5. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:16 pm -
1 stop16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Copa Airlines logo]()
$203
Find flight deals from Puerto Rico to Cancún
Keep the following information in mind while searching for Puerto Rico to Cancún flight deals. Data was last updated September 5, 2026.
Round-trip from | $314 (CheapOair) |
|---|---|
One-way from | $144 (Kiwi.com) |
Popular in | July |
Cheapest in | April |
Average price | $438 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to Cancún 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 September 5, 2026.
Use the filters below to find and compare flights from Puerto Rico to Cancún that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Tue 1/12
6:14 pm-10:30 am
1 stop17h 16m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$176
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Sun 11/8
6:25 am-1:58 pm
1 stop8h 33m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$178
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Fri 12/4
5:40 am-5:00 pm
2 stops12h 20m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$178
Quickest round-trip
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Sat 9/26
6:25 am-1:20 pm
1 stop7h 55m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$180
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Sun 1/24
5:30 am-10:07 pm
1 stop17h 37m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$186
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Mon 10/5
6:16 pm-10:00 am
1 stop16h 44m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$186
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Thu 9/10
6:16 pm-10:33 am
1 stop17h 17m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$193
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Sun 9/13
9:25 pm-12:40 pm
2 stops16h 15m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$195
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Fri 9/11
6:16 pm-10:00 am
1 stop16h 44m
Cancun
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$203
San JuanCancún
SJU San Juan Luis Munoz Marin Intl - CUN Cancun
SJUCUN
San Juan Luis Munoz Marin Intl
Tue 10/20
5:33 am-10:01 pm
1 stop17h 28m
Cancun
Sat 10/24
7:01 am-4:14 pm
1 stop8h 13m
$368
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Cancún
Have a flexible travel schedule? Discover the best time to fly to Cancún from Puerto Rico with our price prediction graph.
SJU-CUN
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 Cancún
PR0-CUN
SJU-CUN
What is the cheapest month to book a flight from Puerto Rico to Cancún?
Currently, April is the cheapest month in which you can book a flight from Puerto Rico to Cancún (average of $385). Flying from Puerto Rico to Cancún in July is currently the most expensive (average of $510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Puerto Rico to Cancún?
The best time to book flights from Puerto Rico to Cancún is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Cancún
Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated September 5, 2026.
Peruse reviews from past customers who have flown with Southwest,Copa Airlines, andAmerican Airlines from Puerto Rico to Cancún to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2023
PHX - SJD
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2023
PHX - SJD
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2023
PHX - SJD
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2023
PHX - SJD
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2023
PHX - SJD
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodAnonymous,Sep 2023
PHX - SJD
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Cancún?
Book flights to Cancún if you plan to visit one of these locationsPuerto Aventuras
Punta Sam
Holbox
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Cancún flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Puerto Rico to Cancún
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Cancún
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 5, 2026.
Complete your trip
Complete your trip to Cancún by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Puerto Rico to Cancún by cabin class
Find flights from Puerto Rico to Cancún, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Puerto Rico and Cancún flights
Browse other Puerto Rico and Cancún flight options. Last updated on September 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Puerto Rico to Cancún
Discover the top 6 airlines that operate flights from Puerto Rico to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$148 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$346 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$436 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$367 | Average$538 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$371 | Average$640 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$475 | Average$541 | FlexibilityNo cancel fee | On-time63% |