$128+ Cheap flights from Colorado 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Puerto Rico with Cheapflights
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Cheapest flights from Colorado to Puerto RicoExplore the most affordable flight options available from Colorado to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from Colorado to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 8/2711:20 am
COS
- SJU
2 stops10h 30m
Southwest
Wed 9/21:20 pm
SJU
- COS
2 stops10h 25m
Southwest
Deal found 6/8![Southwest logo]()
$342
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/275:13 pm
COS
- SJU
2 stops17h 27m
American Airlines
Wed 9/23:44 pm
SJU
- COS
1 stop9h 09m
American Airlines
Deal found 6/11![American Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/86:30 am
DEN
- SJU
2 stops29h 11m
Frontier
Mon 8/177:10 am
SJU
- DEN
1 stop27h 27m
Frontier
Deal found 6/12![Frontier logo]()
$359
This Southwest deal was found by Cheapflights users on 6/11. 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 9/810:45 am
COS
- SJU
2 stops9h 15m
Southwest
Tue 9/2211:50 am
SJU
- COS
2 stops10h 20m
Southwest
Deal found 6/11![Southwest logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/2411:59 pm
DEN
- SJU
1 stop22h 24m
Frontier
Mon 8/316:41 pm
SJU
- DEN
1 stop15h 56m
Frontier
Deal found 6/12![Frontier logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/411:40 pm
DEN
- SJU
2 stops22h 43m
Frontier
Mon 8/107:10 am
SJU
- DEN
1 stop27h 10m
Frontier
Deal found 6/9![Frontier logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/286:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Tue 8/117:10 am
SJU
- DEN
1 stop27h 10m
Frontier
Deal found 6/9![Frontier logo]()
$373
This Super.com deal was found by Cheapflights users on 6/10. 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.
Wed 7/88:55 am
DEN
- SJU
1 stop13h 46m
Frontier
Wed 7/157:30 am
SJU
- DEN
1 stop26h 53m
Frontier
Deal found 6/10![Frontier logo]()
$374
This Southwest deal was found by Cheapflights users on 6/9. 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 8/56:15 pm
DEN
- SJU
1 stop12h 55m
Southwest
Thu 8/138:55 pm
SJU
- DEN
1 stop13h 20m
Southwest
Deal found 6/9![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 8/226:30 am
COS
- SJU
1 stop8h 08m
Delta
Mon 8/3112:56 pm
SJU
- COS
1 stop10h 42m
Delta
Deal found 6/9![Delta logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/711:52 pm
DEN
- SJU
1 stop9h 24m
Frontier
Tue 8/117:10 am
SJU
- DEN
1 stop27h 10m
Frontier
Deal found 6/10![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:40 pm
DEN
- SJU
1 stop22h 48m
Frontier
Thu 8/136:00 am
SJU
- DEN
2 stops19h 58m
Frontier
Deal found 6/9![Frontier logo]()
$381
Best flights from Colorado to Puerto RicoDiscover carefully curated flight deals from Colorado to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Colorado to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Frontier deal was found by Cheapflights users on 6/10. 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 8/2211:49 pm
DEN
- PSE
1 stop8h 03m
Frontier
Wed 8/2610:37 am
PSE
- DEN
1 stop14h 17m
Frontier
Deal found 6/10![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 6/8. 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 9/28:35 am
DEN
- SJU
2 stops10h 30m
Southwest
Sat 9/55:55 am
SJU
- DEN
2 stops11h 15m
Southwest
Deal found 6/8![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 6/11. 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 9/95:55 pm
COS
- SJU
2 stops16h 18m
Delta
Fri 9/2512:58 pm
SJU
- COS
1 stop8h 38m
Delta
Deal found 6/11![Delta logo]()
$436
This American Airlines deal was found by Cheapflights users on 6/9. 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 12/16:54 pm
GJT
- SJU
2 stops15h 11m
American Airlines
Thu 12/107:00 am
SJU
- GJT
1 stop18h 31m
American Airlines
Deal found 6/9![American Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/126:00 am
COS
- SJU
1 stop9h 38m
United Airlines
Wed 9/163:00 pm
SJU
- COS
2 stops10h 55m
United Airlines
Deal found 6/11![United Airlines logo]()
$473
This CheapOair deal was found by Cheapflights users on 6/10. 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 9/511:37 pm
DEN
- BQN
2 stops16h 59m
Multiple Airlines
Sat 9/1210:52 am
BQN
- DEN
1 stop14h 12m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$543
This Priceline deal was found by Cheapflights users on 6/12. 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 7/76:00 am
DEN
- PSE
1 stop25h 46m
Frontier
Mon 7/1310:32 am
PSE
- DEN
1 stop14h 28m
Frontier
Deal found 6/12![Frontier logo]()
$436
This Delta deal was found by Cheapflights users on 6/9. 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.
Sun 8/236:00 am
COS
- SJU
1 stop8h 38m
Delta
Wed 8/2612:56 pm
SJU
- COS
1 stop10h 42m
Delta
Deal found 6/9![Delta logo]()
$471
This Frontier deal was found by Cheapflights users on 6/8. 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 6/2311:49 pm
DEN
- PSE
1 stop9h 07m
Frontier
Sat 6/2710:27 am
PSE
- DEN
1 stop14h 37m
Frontier
Deal found 6/8![Frontier logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/217:40 am
COS
- SJU
1 stop10h 58m
United Airlines
Tue 9/12:20 pm
SJU
- COS
1 stop9h 07m
United Airlines
Deal found 6/9![United Airlines logo]()
$481
This Southwest deal was found by Cheapflights users on 6/12. 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 7/99:35 am
COS
- SJU
1 stop13h 00m
Southwest
Thu 7/166:30 am
SJU
- COS
1 stop11h 30m
Southwest
Deal found 6/12![Southwest logo]()
$496
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/228:30 am
ASE
- SJU
2 stops13h 20m
United Airlines
Wed 9/237:00 am
SJU
- ASE
2 stops13h 46m
United Airlines
Deal found 6/8![United Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 10/127:30 am
ASE
- SJU
1 stop14h 03m
American Airlines
Fri 10/235:50 pm
SJU
- ASE
2 stops20h 22m
American Airlines
Deal found 6/12![American Airlines logo]()
$542
This CheapOair deal was found by Cheapflights users on 6/9. 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.
Tue 7/711:52 pm
DEN
- BQN
1 stop24h 18m
Frontier
Mon 7/133:10 am
BQN
- DEN
1 stop30h 57m
Frontier
Deal found 6/9![Frontier logo]()
$452
This Southwest deal was found by Cheapflights users on 6/8. 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 7/48:20 am
COS
- SJU
2 stops10h 40m
Southwest
Thu 7/96:00 am
SJU
- COS
2 stops12h 00m
Southwest
Deal found 6/8![Southwest logo]()
$544
This Frontier deal was found by Cheapflights users on 6/12. 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 6/2811:49 pm
DEN
- PSE
1 stop7h 53m
Frontier
Thu 7/210:27 am
PSE
- DEN
1 stop14h 37m
Frontier
Deal found 6/12![Frontier logo]()
$456
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:05 pm
GJT
- SJU
2 stops19h 40m
American Airlines
Mon 7/2712:58 am
SJU
- GJT
2 stops12h 33m
American Airlines
Deal found 6/12![American Airlines logo]()
$595
This Frontier deal was found by Cheapflights users on 6/12. 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.
Fri 7/1011:52 pm
DEN
- PSE
1 stop7h 54m
Frontier
Fri 7/1710:32 am
PSE
- DEN
1 stop14h 28m
Frontier
Deal found 6/12![Frontier logo]()
$466
This Southwest deal was found by Cheapflights users on 6/10. 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 7/1310:00 am
DEN
- SJU
2 stops11h 40m
Southwest
Wed 7/228:35 pm
SJU
- DEN
1 stop13h 35m
Southwest
Deal found 6/10![Southwest logo]()
$576
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/277:10 pm
DEN
- SJU
1 stop17h 34m
United Airlines
Sun 9/64:55 pm
SJU
- DEN
2 stops15h 44m
United Airlines
Deal found 6/9![United Airlines logo]()
$590
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:42 pm
GJT
- SJU
2 stops19h 56m
American Airlines
Sun 9/134:19 pm
SJU
- GJT
2 stops21h 08m
American Airlines
Deal found 6/12![American Airlines logo]()
$614
This Frontier deal was found by Cheapflights users on 6/11. 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.
Fri 6/2611:49 pm
DEN
- PSE
1 stop7h 53m
Frontier
Mon 7/610:32 am
PSE
- DEN
1 stop14h 28m
Frontier
Deal found 6/11![Frontier logo]()
$486
This Southwest deal was found by Cheapflights users on 6/9. 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 7/3010:00 am
DEN
- SJU
2 stops11h 40m
Southwest
Mon 8/35:30 am
SJU
- DEN
2 stops10h 25m
Southwest
Deal found 6/9![Southwest logo]()
$596
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/17:35 pm
DEN
- SJU
1 stop7h 54m
United Airlines
Fri 8/71:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$612
This Frontier deal was found by Cheapflights users on 6/11. 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 8/1711:52 pm
DEN
- PSE
1 stop8h 00m
Frontier
Wed 8/1910:37 am
PSE
- DEN
1 stop14h 17m
Frontier
Deal found 6/11![Frontier logo]()
$486
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/97:00 am
ASE
- SJU
1 stop8h 25m
United Airlines
Thu 11/192:05 am
SJU
- ASE
2 stops11h 46m
United Airlines
Deal found 6/10![United Airlines logo]()
$629
This Southwest deal was found by Cheapflights users on 6/8. 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 7/2111:15 am
DEN
- SJU
2 stops9h 35m
Southwest
Mon 7/276:00 am
SJU
- DEN
2 stops9h 25m
Southwest
Deal found 6/8![Southwest logo]()
$630
This CheapOair deal was found by Cheapflights users on 6/11. 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 7/811:52 pm
DEN
- BQN
1 stop9h 12m
Frontier
Tue 7/143:10 am
BQN
- DEN
1 stop21h 50m
Frontier
Deal found 6/11![Frontier logo]()
$511
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/67:00 am
GJT
- SJU
1 stop8h 38m
United Airlines
Sat 10/101:00 am
SJU
- GJT
2 stops13h 31m
United Airlines
Deal found 6/12![United Airlines logo]()
$635
This Southwest deal was found by Cheapflights users on 6/10. 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 7/177:40 am
DEN
- SJU
2 stops11h 35m
Southwest
Tue 7/215:30 am
SJU
- DEN
2 stops10h 10m
Southwest
Deal found 6/10![Southwest logo]()
$646
Last-minute flights from Colorado to Puerto RicoDiscover last-minute flight deals from Colorado to Puerto Rico. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Puerto Rico. Data last updated June 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/12. 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 7/75:05 pm
DEN
- SJU
1 stop11h 39m
Frontier
Wed 7/153:36 pm
SJU
- DEN
1 stop10h 12m
Frontier
Deal found 6/12![Frontier logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/76:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Tue 7/143:36 pm
SJU
- DEN
1 stop24h 43m
Frontier
Deal found 6/10![Frontier logo]()
$395
This Super.com deal was found by Cheapflights users on 6/10. 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.
Wed 7/88:55 am
DEN
- SJU
1 stop13h 46m
Frontier
Wed 7/157:30 am
SJU
- DEN
1 stop26h 53m
Frontier
Deal found 6/10![Frontier logo]()
$374
This Frontier deal was found by Cheapflights users on 6/10. 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 7/88:55 am
DEN
- SJU
1 stop13h 46m
Frontier
Mon 7/133:36 pm
SJU
- DEN
1 stop10h 12m
Frontier
Deal found 6/10![Frontier logo]()
$396
This CheapOair deal was found by Cheapflights users on 6/11. 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 7/88:55 am
DEN
- SJU
1 stop13h 46m
Frontier
Tue 7/143:36 pm
SJU
- DEN
1 stop24h 43m
Frontier
Deal found 6/11![Frontier logo]()
$398
This CheapOair deal was found by Cheapflights users on 6/12. 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.
Tue 7/216:03 am
DEN
- SJU
1 stop16h 04m
Frontier
Wed 7/298:37 pm
SJU
- DEN
1 stop12h 56m
Frontier
Deal found 6/12![Frontier logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/286:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Mon 8/107:10 am
SJU
- DEN
1 stop27h 10m
Frontier
Deal found 6/9![Frontier logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/286:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Tue 8/116:00 am
SJU
- DEN
2 stops26h 28m
Frontier
Deal found 6/9![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/286:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Tue 8/46:26 pm
SJU
- DEN
1 stop15h 41m
Frontier
Deal found 6/9![Frontier logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/286:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Wed 8/58:37 pm
SJU
- DEN
1 stop13h 30m
Frontier
Deal found 6/9![Frontier logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/298:55 am
DEN
- SJU
1 stop13h 46m
Frontier
Tue 8/46:00 am
SJU
- DEN
2 stops16h 03m
Frontier
Deal found 6/12![Frontier logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/309:01 am
DEN
- SJU
2 stops50h 59m
Multiple Airlines
Mon 8/107:10 am
SJU
- DEN
1 stop27h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$394
One-way flights from Colorado to Puerto RicoSearch for one-way flight options from Colorado to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Colorado to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/255:15 pm
DEN
- SJU
1 stop11h 11m
Frontier
Deal found 6/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/1111:40 pm
DEN
- SJU
1 stop22h 48m
Frontier
Deal found 6/11![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/2911:40 pm
DEN
- SJU
1 stop15h 56m
Frontier
Deal found 6/9![Frontier logo]()
$168
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/224:08 pm
COS
- SJU
2 stops19h 46m
American Airlines
Deal found 6/8![American Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 9/25:15 pm
DEN
- SJU
1 stop11h 11m
Frontier
Deal found 6/10![Frontier logo]()
$181
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:57 pm
COS
- SJU
2 stops18h 57m
American Airlines
Deal found 6/10![American Airlines logo]()
$182
This Super.com deal was found by Cheapflights users on 6/10. 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 7/146:05 am
DEN
- SJU
1 stop18h 54m
Frontier
Deal found 6/10![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 6/11. 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 9/29:05 am
DEN
- SJU
2 stops10h 00m
Southwest
Deal found 6/11![Southwest logo]()
$188
This Delta deal was found by Cheapflights users on 6/8. 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.
Tue 9/226:00 am
COS
- SJU
1 stop8h 31m
Delta
Deal found 6/8![Delta logo]()
$188
This Super.com deal was found by Cheapflights users on 6/11. 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.
Wed 7/2211:40 pm
DEN
- SJU
1 stop22h 48m
Frontier
Deal found 6/11![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/286:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Deal found 6/9![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/76:05 am
DEN
- SJU
1 stop15h 53m
Frontier
Deal found 6/11![Frontier logo]()
$196
Find flight deals from Colorado to Puerto Rico
Keep the following information in mind while searching for Colorado to Puerto Rico flight deals. Data was last updated June 13, 2026.
Round-trip from | $342 (Southwest) |
|---|---|
One-way from | $128 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $596 |
Good round-trip deal | $692 or less |
Good one-way deal | $394 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado 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 June 13, 2026.
Use the filters below to find and compare flights from Colorado to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Sat 8/22
11:49 pm-9:52 am
1 stop8h 03m
Ponce Mercedita
Wed 8/26
10:37 am-10:54 pm
1 stop14h 17m
$396
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
Wed 9/2
8:35 am-9:05 pm
2 stops10h 30m
San Juan Luis Munoz Marin Intl
Sat 9/5
5:55 am-3:10 pm
2 stops11h 15m
$408
Colorado SpringsSan Juan
COS - SJU
COSSJU
Colorado Springs
Wed 9/9
5:55 pm-12:13 pm
2 stops16h 18m
San Juan Luis Munoz Marin Intl
Fri 9/25
12:58 pm-7:36 pm
1 stop8h 38m
$436
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Tue 7/7
6:00 am-9:46 am
1 stop25h 46m
Ponce Mercedita
Mon 7/13
10:32 am-11:00 pm
1 stop14h 28m
$436
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Tue 6/23
11:49 pm-10:56 am
1 stop9h 07m
Ponce Mercedita
Sat 6/27
10:27 am-11:04 pm
1 stop14h 37m
$436
Grand JunctionSan Juan
GJT - SJU
GJTSJU
Grand Junction Regnl
Tue 12/1
6:54 pm-1:05 pm
2 stops15h 11m
San Juan Luis Munoz Marin Intl
Thu 12/10
7:00 am-10:31 pm
1 stop18h 31m
$452
DenverAguadilla
DEN - BQN
DENBQN
Denver Intl
Tue 7/7
11:52 pm-2:10 am
1 stop24h 18m
Aguadilla Borinquen
Mon 7/13
3:10 am-8:07 am
1 stop30h 57m
$452
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Sun 6/28
11:49 pm-9:42 am
1 stop7h 53m
Ponce Mercedita
Thu 7/2
10:27 am-11:04 pm
1 stop14h 37m
$456
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Fri 7/10
11:52 pm-9:46 am
1 stop7h 54m
Ponce Mercedita
Fri 7/17
10:32 am-11:00 pm
1 stop14h 28m
$466
Colorado SpringsSan Juan
COS - SJU
COSSJU
Colorado Springs
Sun 8/23
6:00 am-4:38 pm
1 stop8h 38m
San Juan Luis Munoz Marin Intl
Wed 8/26
12:56 pm-9:38 pm
1 stop10h 42m
$471
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Colorado to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Colorado with our price prediction graph.
DEN-SJU
COS-SJU
DEN-PSE
GJT-SJU
DEN-BQN
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 Colorado to Puerto Rico
USCO-PR0
DEN-SJU
COS-SJU
DEN-PSE
GJT-SJU
What is the cheapest month to book a flight from Colorado to Puerto Rico?
Currently, December is the cheapest month in which you can book a flight from Colorado to Puerto Rico (average of $139). Flying from Colorado to Puerto Rico in March is currently the most expensive (average of $1,418). 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 CO to PR?
Find hourly flight availability from Colorado 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 June 13, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Puerto Rico as you normally would.
Weekly flight availability from Colorado to Puerto Rico
Explore weekly flight availability from Colorado 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 June 13, 2026.
The most flights from USCO 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 Colorado to Puerto Rico?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Colorado 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 Colorado 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 Colorado to Puerto Rico by cabin class
Find flights from Colorado to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Puerto Rico flights
Browse other Colorado and Puerto Rico flight options. Last updated on June 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Puerto Rico
Find the right flight back to Colorado after your stay in Puerto Rico
Colorado to Puerto Rico flights
Consider these flights traveling from Colorado to Puerto Rico.
Top 6 airlines flying from Colorado to Puerto Rico
Discover the top 6 airlines that operate flights from Colorado 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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$351 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$192 | Average$562 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$265 | Average$632 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$584 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$438 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$380 | Average$596 | FlexibilityNo cancel fee | On-time63% |