$146+ Cheap flights from Denver (DEN) to Puerto Rico
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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Puerto Rico 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 Denver to Puerto Rico
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Cheapest flights from Denver to Puerto RicoExplore the most affordable flight options available from Denver to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
Explore the most affordable flight options available from Denver to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Sat 10/179:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$249
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Fri 10/169:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$250
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Fri 10/169:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$254
This deal was found by Cheapflights users on 5/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Mon 10/199:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/17![Frontier logo]()
$258
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:59 pm
DEN
- SJU
1 stop9h 05m
Frontier
Thu 10/229:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$259
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Wed 10/219:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$262
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Sat 10/179:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$271
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Sat 10/179:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$275
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Tue 10/209:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$280
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:19 am
DEN
- SJU
1 stop9h 25m
Frontier
Fri 10/236:05 am
SJU
- DEN
1 stop10h 53m
Frontier
Deal found 5/15![Frontier logo]()
$288
This deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:59 pm
DEN
- SJU
1 stop13h 20m
Frontier
Sun 10/189:49 pm
SJU
- DEN
1 stop12h 35m
Frontier
Deal found 5/15![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 5/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:49 pm
DEN
- PSE
1 stop7h 57m
Frontier
Sun 7/2610:31 am
PSE
- DEN
1 stop14h 29m
Frontier
Deal found 5/16![Frontier logo]()
$396
Best flights from Denver to Puerto RicoDiscover carefully curated flight deals from Denver to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from Denver to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This Frontier deal was found by Cheapflights users on 5/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:49 pm
DEN
- PSE
1 stop8h 03m
Frontier
Thu 8/2710:37 am
PSE
- DEN
1 stop14h 17m
Frontier
Deal found 5/15![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 5/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:20 pm
DEN
- SJU
2 stops9h 55m
Southwest
Fri 7/105:00 am
SJU
- DEN
2 stops9h 40m
Southwest
Deal found 5/19![Southwest logo]()
$576
This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:43 am
DEN
- SJU
Nonstop5h 55m
United Airlines
Tue 7/71:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 5/19![United Airlines logo]()
$577
This CheapOair deal was found by Cheapflights users on 5/17. 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.
Fri 10/239:19 am
DEN
- BQN
1 stop14h 34m
Multiple Airlines
Thu 10/292:20 pm
BQN
- DEN
2 stops23h 43m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$587
This Frontier deal was found by Cheapflights users on 5/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:49 pm
DEN
- PSE
1 stop7h 57m
Frontier
Sun 7/2610:31 am
PSE
- DEN
1 stop14h 29m
Frontier
Deal found 5/16![Frontier logo]()
$396
This Priceline deal was found by Cheapflights users on 5/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:15 am
DEN
- PSE
1 stop21h 52m
Frontier
Sat 6/610:02 am
PSE
- DEN
1 stop24h 22m
Frontier
Deal found 5/18![Frontier logo]()
$416
This Frontier deal was found by Cheapflights users on 5/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:59 pm
DEN
- BQN
1 stop7h 58m
Frontier
Tue 9/2210:52 am
BQN
- DEN
1 stop14h 12m
Frontier
Deal found 5/16![Frontier logo]()
$423
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Wed 7/14:20 pm
DEN
- SJU
1 stop11h 09m
United Airlines
Wed 7/81:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 5/16![United Airlines logo]()
$582
This Orbitz deal was found by Cheapflights users on 5/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:10 pm
DEN
- BQN
1 stop8h 55m
Multiple Airlines
Wed 7/225:01 am
BQN
- DEN
2 stops19h 41m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$588
This CheapOair deal was found by Cheapflights users on 5/17. 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 6/136:00 am
DEN
- PSE
1 stop25h 42m
Frontier
Sat 6/2010:27 am
PSE
- DEN
1 stop23h 53m
Frontier
Deal found 5/17![Frontier logo]()
$446
This Southwest deal was found by Cheapflights users on 5/15. 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.
Wed 6/1011:15 am
DEN
- SJU
2 stops9h 30m
Southwest
Mon 6/1510:20 pm
SJU
- DEN
1 stop12h 00m
Southwest
Deal found 5/15![Southwest logo]()
$596
This Southwest deal was found by Cheapflights users on 5/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:00 am
DEN
- SJU
2 stops11h 35m
Southwest
Sun 7/129:05 pm
SJU
- DEN
1 stop13h 05m
Southwest
Deal found 5/18![Southwest logo]()
$596
This United Airlines deal was found by Cheapflights users on 5/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:44 am
DEN
- BQN
1 stop9h 25m
United Airlines
Sun 9/2012:15 am
BQN
- DEN
2 stops14h 30m
United Airlines
Deal found 5/18![United Airlines logo]()
$631
This Frontier deal was found by Cheapflights users on 5/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:49 pm
DEN
- PSE
1 stop7h 57m
Frontier
Sat 7/1110:31 am
PSE
- DEN
1 stop14h 29m
Frontier
Deal found 5/19![Frontier logo]()
$486
This Southwest deal was found by Cheapflights users on 5/15. 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.
Tue 7/712:40 pm
DEN
- SJU
2 stops9h 35m
Southwest
Sat 7/115:30 am
SJU
- DEN
2 stops9h 50m
Southwest
Deal found 5/15![Southwest logo]()
$596
This Frontier deal was found by Cheapflights users on 5/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:49 pm
DEN
- PSE
1 stop8h 03m
Frontier
Sat 8/2910:37 am
PSE
- DEN
1 stop14h 17m
Frontier
Deal found 5/19![Frontier logo]()
$486
This United Airlines deal was found by Cheapflights users on 5/16. 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 9/179:45 am
DEN
- BQN
1 stop11h 24m
United Airlines
Mon 9/2112:15 am
BQN
- DEN
2 stops12h 55m
United Airlines
Deal found 5/16![United Airlines logo]()
$670
This Southwest deal was found by Cheapflights users on 5/16. 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.
Wed 7/112:40 pm
DEN
- SJU
2 stops9h 35m
Southwest
Wed 7/88:35 pm
SJU
- DEN
2 stops16h 55m
Southwest
Deal found 5/16![Southwest logo]()
$616
This Trip.com deal was found by Cheapflights users on 5/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:49 pm
DEN
- PSE
1 stop7h 53m
Frontier
Fri 7/310:27 am
PSE
- DEN
1 stop14h 37m
Frontier
Deal found 5/20![Frontier logo]()
$503
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Mon 7/205:18 pm
DEN
- SJU
1 stop10h 11m
United Airlines
Sun 7/261:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 5/17![United Airlines logo]()
$681
This Southwest deal was found by Cheapflights users on 5/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:35 am
DEN
- SJU
2 stops9h 05m
Southwest
Sat 8/86:25 am
SJU
- DEN
2 stops9h 45m
Southwest
Deal found 5/19![Southwest logo]()
$630
This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:46 am
DEN
- SJU
Nonstop5h 52m
United Airlines
Fri 10/232:00 pm
SJU
- DEN
Nonstop6h 19m
United Airlines
Deal found 5/19![United Airlines logo]()
$687
This Southwest deal was found by Cheapflights users on 5/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:25 pm
DEN
- SJU
2 stops12h 35m
Southwest
Wed 6/105:30 am
SJU
- DEN
2 stops10h 40m
Southwest
Deal found 5/18![Southwest logo]()
$646
This Frontier deal was found by Cheapflights users on 5/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:49 pm
DEN
- PSE
1 stop7h 57m
Frontier
Fri 7/1010:31 am
PSE
- DEN
1 stop14h 29m
Frontier
Deal found 5/19![Frontier logo]()
$561
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Fri 10/236:00 am
DEN
- BQN
2 stops15h 09m
United Airlines
Wed 10/2812:09 am
BQN
- DEN
2 stops13h 23m
United Airlines
Deal found 5/20![United Airlines logo]()
$696
This Southwest deal was found by Cheapflights users on 5/17. 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 6/712:25 pm
DEN
- SJU
2 stops10h 15m
Southwest
Fri 6/125:00 am
SJU
- DEN
2 stops9h 40m
Southwest
Deal found 5/17![Southwest logo]()
$646
This United Airlines deal was found by Cheapflights users on 5/20. 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 8/297:45 am
DEN
- BQN
2 stops13h 24m
United Airlines
Fri 9/412:15 am
BQN
- DEN
2 stops16h 16m
United Airlines
Deal found 5/20![United Airlines logo]()
$716
This Expedia deal was found by Cheapflights users on 5/17. 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.
Tue 6/210:34 pm
DEN
- VQS
2 stops13h 51m
Multiple Airlines
Sat 6/67:30 am
VQS
- DEN
2 stops16h 05m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$1,196
This FlightHub deal was found by Cheapflights users on 5/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:59 pm
DEN
- VQS
2 stops12h 26m
Multiple Airlines
Sat 6/274:55 pm
VQS
- DEN
2 stops32h 04m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$1,213
This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:00 am
DEN
- CPX
2 stops10h 21m
United Airlines
Sun 7/1210:48 am
CPX
- DEN
2 stops15h 09m
United Airlines
Deal found 5/19![United Airlines logo]()
$1,558
Last-minute flights from Denver to Puerto RicoDiscover last-minute flight deals from Denver to Puerto Rico. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Puerto Rico. Data last updated May 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 5/2911:59 pm
DEN
- SJU
1 stop22h 00m
Frontier
Fri 6/55:59 pm
SJU
- DEN
1 stop16h 25m
Frontier
Deal found 5/18![Frontier logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 6/211:59 pm
DEN
- SJU
1 stop22h 00m
Frontier
Wed 6/108:50 am
SJU
- DEN
1 stop17h 26m
Frontier
Deal found 5/17![Frontier logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/211:59 pm
DEN
- SJU
1 stop22h 00m
Frontier
Mon 6/82:47 pm
SJU
- DEN
1 stop10h 17m
Frontier
Deal found 5/18![Frontier logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/211:59 pm
DEN
- SJU
1 stop22h 00m
Frontier
Sun 6/73:58 pm
SJU
- DEN
1 stop25h 14m
Frontier
Deal found 5/18![Frontier logo]()
$389
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:40 am
DEN
- SJU
1 stop14h 19m
Frontier
Fri 6/122:36 pm
SJU
- DEN
1 stop10h 23m
Frontier
Deal found 5/17![Frontier logo]()
$396
This Priceline deal was found by Cheapflights users on 5/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
DEN
- SJU
1 stop9h 12m
Frontier
Wed 6/108:50 am
SJU
- DEN
1 stop17h 26m
Frontier
Deal found 5/18![Frontier logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/57:40 am
DEN
- SJU
1 stop14h 19m
Frontier
Tue 6/98:00 am
SJU
- DEN
1 stop8h 29m
Frontier
Deal found 5/15![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/57:40 am
DEN
- SJU
1 stop14h 19m
Frontier
Fri 6/122:36 pm
SJU
- DEN
1 stop10h 23m
Frontier
Deal found 5/18![Frontier logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Mon 6/811:59 pm
DEN
- SJU
1 stop25h 58m
Frontier
Thu 6/112:36 pm
SJU
- DEN
1 stop10h 23m
Frontier
Deal found 5/18![Frontier logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/206:00 am
DEN
- SJU
1 stop16h 37m
Frontier
Wed 6/248:50 am
SJU
- DEN
1 stop17h 26m
Frontier
Deal found 5/19![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 6/216:00 am
DEN
- SJU
1 stop16h 37m
Frontier
Fri 6/268:50 am
SJU
- DEN
1 stop17h 26m
Frontier
Deal found 5/17![Frontier logo]()
$378
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 am
DEN
- SJU
1 stop16h 37m
Frontier
Sat 7/48:50 am
SJU
- DEN
1 stop17h 26m
Frontier
Deal found 5/18![Frontier logo]()
$377
One-way flights from Denver to Puerto RicoSearch for one-way flight options from Denver to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Denver to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 9/811:42 pm
DEN
- SJU
1 stop13h 43m
Frontier
Deal found 5/15![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Thu 9/36:03 am
DEN
- SJU
1 stop8h 31m
Frontier
Deal found 5/18![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:15 pm
DEN
- SJU
1 stop11h 11m
Frontier
Deal found 5/18![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 9/1611:59 pm
DEN
- SJU
1 stop9h 05m
Frontier
Deal found 5/17![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:59 pm
DEN
- SJU
1 stop22h 42m
Frontier
Deal found 5/17![Frontier logo]()
$172
This Priceline deal was found by Cheapflights users on 5/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:05 am
DEN
- SJU
1 stop19h 52m
Frontier
Deal found 5/16![Frontier logo]()
$174
This FlightHub deal was found by Cheapflights users on 5/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:59 pm
DEN
- SJU
1 stop22h 42m
Frontier
Deal found 5/15![Frontier logo]()
$177
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:00 am
DEN
- SJU
1 stop16h 41m
Frontier
Deal found 5/15![Frontier logo]()
$179
This Super.com deal was found by Cheapflights users on 5/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:40 pm
DEN
- SJU
1 stop15h 56m
Frontier
Deal found 5/16![Frontier logo]()
$180
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
DEN
- SJU
1 stop16h 37m
Frontier
Deal found 5/17![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 am
DEN
- SJU
1 stop15h 24m
Frontier
Deal found 5/17![Frontier logo]()
$187
This CheapOair deal was found by Cheapflights users on 5/17. 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.
Wed 6/1711:49 pm
DEN
- BQN
1 stop24h 16m
Frontier
Deal found 5/17![Frontier logo]()
$232
Find flight deals from Denver to Puerto Rico
Keep the following information in mind while searching for Denver to Puerto Rico flight deals. Data was last updated May 20, 2026.
Round-trip from | $249 |
|---|---|
One-way from | $146 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $448 |
Good round-trip deal | $668 or less |
Good one-way deal | $392 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Puerto Rico 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 May 20, 2026.
Use the filters below to find and compare flights from Denver to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Tue 8/25
11:49 pm-9:52 am
1 stop8h 03m
Ponce Mercedita
Thu 8/27
10:37 am-10:54 pm
1 stop14h 17m
$396
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Sun 7/19
11:49 pm-9:46 am
1 stop7h 57m
Ponce Mercedita
Sun 7/26
10:31 am-11:00 pm
1 stop14h 29m
$396
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Tue 6/2
9:15 am-9:07 am
1 stop21h 52m
Ponce Mercedita
Sat 6/6
10:02 am-8:24 am
1 stop24h 22m
$416
DenverAguadilla
DEN - BQN
DENBQN
Denver Intl
Thu 9/17
11:59 pm-9:57 am
1 stop7h 58m
Aguadilla Borinquen
Tue 9/22
10:52 am-11:04 pm
1 stop14h 12m
$423
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Sat 6/13
6:00 am-9:42 am
1 stop25h 42m
Ponce Mercedita
Sat 6/20
10:27 am-8:20 am
1 stop23h 53m
$446
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Sat 7/4
11:49 pm-9:46 am
1 stop7h 57m
Ponce Mercedita
Sat 7/11
10:31 am-11:00 pm
1 stop14h 29m
$486
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Tue 8/25
11:49 pm-9:52 am
1 stop8h 03m
Ponce Mercedita
Sat 8/29
10:37 am-10:54 pm
1 stop14h 17m
$486
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Mon 6/29
11:49 pm-9:42 am
1 stop7h 53m
Ponce Mercedita
Fri 7/3
10:27 am-11:04 pm
1 stop14h 37m
$503
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Mon 7/6
11:49 pm-9:46 am
1 stop7h 57m
Ponce Mercedita
Fri 7/10
10:31 am-11:00 pm
1 stop14h 29m
$561
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
Mon 7/6
12:20 pm-12:15 am
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Fri 7/10
5:00 am-12:40 pm
2 stops9h 40m
$576
Showing 1-10 of 48 resultsSorted by cheapest first
Best time to book a flight from Denver to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Denver with our price prediction graph.
DEN-SJU
DEN-PSE
DEN-BQN
DEN-VQS
DEN-CPX
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 Denver to Puerto Rico
DEN-PR0
DEN-SJU
DEN-PSE
DEN-BQN
DEN-VQS
What is the cheapest month to book a flight from Denver to Puerto Rico?
Currently, December is the cheapest month in which you can book a flight from Denver to Puerto Rico (average of $139). Flying from Denver to Puerto Rico in March is currently the most expensive (average of $1,599). 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.
What is the cheapest time of day to fly from DEN to PR?
Find hourly flight availability from Denver to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Puerto Rico as you normally would.
Weekly flight availability from Denver to Puerto Rico
Explore weekly flight availability from Denver to Puerto Rico. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 20, 2026.
The most flights from DEN to PR0 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How far ahead should I book a flight from Denver to Puerto Rico?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated May 20, 2026.
Read through reviews of airlines operating flights from Denver to Puerto Rico, such as Southwest,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Denver to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Denver to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Puerto Rico by cabin class
Find flights from Denver to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Puerto Rico flights
Browse other Denver and Puerto Rico flight options. Last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Denver to Puerto Rico
Discover the top 6 airlines that operate flights from Denver to Puerto Rico. 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 2,558,603 searches. Data last updated May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$345 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$435 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$353 | Average$700 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$388 | Average$542 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$485 | Average$634 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$487 | Average$701 | FlexibilityNo cancel fee | On-time69% |