$117+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Find cheap flights from Colorado 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 Colorado to Puerto Rico
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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 March 18, 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 March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/2511:59 pm
DEN
- SJU
1 stop12h 09m
Frontier
Sun 5/33:21 am
SJU
- DEN
1 stop31h 03m
Frontier
Deal found 3/14![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/1811:59 pm
DEN
- SJU
1 stop22h 30m
Frontier
Fri 4/241:59 am
SJU
- DEN
1 stop23h 10m
Frontier
Deal found 3/12![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2211:59 pm
DEN
- SJU
1 stop22h 30m
Frontier
Tue 4/283:08 am
SJU
- DEN
1 stop21h 51m
Frontier
Deal found 3/13![Frontier logo]()
$254
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
DEN
- SJU
1 stop10h 49m
Frontier
Tue 4/1411:00 am
SJU
- DEN
1 stop24h 40m
Frontier
Deal found 3/15![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:25 am
DEN
- BQN
1 stop14h 17m
Frontier
Fri 4/32:43 am
BQN
- DEN
1 stop22h 21m
Frontier
Deal found 3/16![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2011:59 pm
DEN
- SJU
1 stop7h 55m
Frontier
Fri 4/246:00 am
SJU
- DEN
2 stops30h 19m
Frontier
Deal found 3/13![Frontier logo]()
$263
This CheapOair deal was found by Cheapflights users on 3/14. 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 4/1511:59 pm
DEN
- SJU
1 stop21h 30m
Frontier
Tue 4/213:08 am
SJU
- DEN
1 stop31h 13m
Frontier
Deal found 3/14![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:49 pm
DEN
- SJU
1 stop23h 28m
Frontier
Tue 4/1411:00 am
SJU
- DEN
1 stop24h 40m
Frontier
Deal found 3/16![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2111:05 pm
DEN
- SJU
1 stop16h 54m
Frontier
Tue 4/283:08 am
SJU
- DEN
2 stops21h 21m
Frontier
Deal found 3/13![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2111:05 pm
DEN
- SJU
1 stop16h 54m
Frontier
Fri 4/246:00 am
SJU
- DEN
2 stops30h 19m
Frontier
Deal found 3/13![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Sat 4/116:00 am
DEN
- SJU
1 stop12h 49m
Frontier
Tue 4/143:08 am
SJU
- DEN
2 stops16h 10m
Frontier
Deal found 3/17![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/116:00 am
DEN
- SJU
1 stop12h 49m
Frontier
Fri 4/176:00 am
SJU
- DEN
2 stops28h 57m
Frontier
Deal found 3/13![Frontier logo]()
$277
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 March 18, 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 March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Sat 4/1811:59 pm
DEN
- SJU
1 stop10h 51m
Multiple Airlines
Fri 4/247:00 am
SJU
- DEN
2 stops17h 34m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Sat 4/1811:59 pm
DEN
- SJU
1 stop10h 51m
Frontier
Fri 4/241:55 pm
SJU
- DEN
1 stop11h 14m
Frontier
Deal found 3/17![Frontier logo]()
$299
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
EGE
- SJU
2 stops23h 13m
American Airlines
Wed 4/296:45 am
SJU
- EGE
1 stop14h 24m
American Airlines
Deal found 3/14![American Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 3/12. 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.
Sat 5/26:20 am
COS
- SJU
1 stop7h 15m
Southwest
Thu 5/76:50 am
SJU
- COS
2 stops10h 40m
Southwest
Deal found 3/12![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:15 am
COS
- SJU
1 stop12h 09m
Delta
Sat 5/92:48 pm
SJU
- COS
1 stop8h 39m
Delta
Deal found 3/16![Delta logo]()
$416
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:05 am
EGE
- SJU
2 stops12h 19m
United Airlines
Tue 4/281:00 am
SJU
- EGE
2 stops13h 28m
United Airlines
Deal found 3/13![United Airlines logo]()
$485
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:59 pm
DEN
- BQN
1 stop23h 44m
Frontier
Thu 4/232:43 am
BQN
- DEN
1 stop22h 16m
Frontier
Deal found 3/15![Frontier logo]()
$325
This Frontier deal was found by Cheapflights users on 3/14. 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 5/49:25 am
DEN
- BQN
1 stop14h 18m
Frontier
Thu 5/712:28 pm
BQN
- DEN
1 stop12h 43m
Frontier
Deal found 3/14![Frontier logo]()
$325
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:39 pm
COS
- SJU
2 stops17h 34m
American Airlines
Sat 5/911:59 pm
SJU
- COS
1 stop14h 50m
American Airlines
Deal found 3/16![American Airlines logo]()
$373
This Frontier deal was found by Cheapflights users on 3/16. 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.
Tue 5/511:56 pm
DEN
- PSE
1 stop8h 32m
Frontier
Thu 5/710:02 am
PSE
- DEN
1 stop15h 09m
Frontier
Deal found 3/16![Frontier logo]()
$366
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/2112:05 pm
DEN
- SJU
2 stops9h 35m
Southwest
Wed 4/295:05 am
SJU
- DEN
2 stops11h 15m
Southwest
Deal found 3/12![Southwest logo]()
$444
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 5/25:41 am
COS
- SJU
1 stop15h 21m
American Airlines
Thu 5/76:45 am
SJU
- COS
1 stop18h 47m
American Airlines
Deal found 3/12![American Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:20 am
COS
- SJU
1 stop7h 58m
Delta
Sat 4/412:00 pm
SJU
- COS
2 stops12h 05m
Delta
Deal found 3/16![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 3/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:13 pm
COS
- SJU
1 stop9h 19m
American Airlines
Fri 4/2411:59 pm
SJU
- COS
1 stop18h 24m
American Airlines
Deal found 3/17![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 3/17. 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 5/47:00 am
GJT
- SJU
1 stop8h 38m
United Airlines
Thu 5/71:00 am
SJU
- GJT
2 stops11h 43m
United Airlines
Deal found 3/17![United Airlines logo]()
$506
This Frontier deal was found by Cheapflights users on 3/15. 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.
Mon 4/65:53 pm
DEN
- PSE
1 stop14h 38m
Frontier
Sat 4/1111:35 am
PSE
- DEN
1 stop10h 49m
Frontier
Deal found 3/15![Frontier logo]()
$386
This Southwest deal was found by Cheapflights users on 3/14. 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 5/711:35 am
DEN
- SJU
2 stops10h 05m
Southwest
Tue 5/125:35 am
SJU
- DEN
2 stops10h 00m
Southwest
Deal found 3/14![Southwest logo]()
$475
This Frontier deal was found by Cheapflights users on 3/15. 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.
Thu 4/2311:59 pm
DEN
- PSE
1 stop8h 32m
Frontier
Thu 5/710:02 am
PSE
- DEN
1 stop15h 09m
Frontier
Deal found 3/15![Frontier logo]()
$386
This Southwest deal was found by Cheapflights users on 3/13. 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 6/711:40 am
DEN
- SJU
2 stops11h 00m
Southwest
Fri 6/1210:20 pm
SJU
- DEN
1 stop12h 15m
Southwest
Deal found 3/13![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/219:43 am
DEN
- SJU
Nonstop5h 55m
United Airlines
Wed 4/297:40 am
SJU
- DEN
1 stop10h 49m
United Airlines
Deal found 3/12![United Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
COS
- SJU
1 stop14h 31m
American Airlines
Wed 4/81:31 pm
SJU
- COS
2 stops12h 01m
American Airlines
Deal found 3/16![American Airlines logo]()
$465
This Frontier deal was found by Cheapflights users on 3/15. 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.
Mon 4/611:59 pm
DEN
- PSE
1 stop8h 32m
Frontier
Thu 4/912:39 pm
PSE
- DEN
1 stop12h 30m
Frontier
Deal found 3/15![Frontier logo]()
$386
This Southwest deal was found by Cheapflights users on 3/13. 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 7/15:35 am
COS
- SJU
2 stops10h 50m
Southwest
Wed 7/812:20 pm
SJU
- COS
2 stops11h 25m
Southwest
Deal found 3/13![Southwest logo]()
$492
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 4/1811:59 pm
DEN
- SJU
1 stop10h 35m
United Airlines
Fri 4/241:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 3/17![United Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/39:06 pm
DEN
- BQN
2 stops26h 47m
Frontier
Mon 4/139:14 pm
BQN
- DEN
1 stop22h 09m
Frontier
Deal found 3/13![Frontier logo]()
$437
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/37:43 am
EGE
- SJU
1 stop12h 48m
American Airlines
Tue 4/77:00 pm
SJU
- EGE
2 stops26h 09m
American Airlines
Deal found 3/14![American Airlines logo]()
$542
This Southwest deal was found by Cheapflights users on 3/17. 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.
Sat 4/1810:15 am
DEN
- SJU
2 stops11h 00m
Southwest
Fri 4/242:00 pm
SJU
- DEN
2 stops11h 15m
Southwest
Deal found 3/17![Southwest logo]()
$576
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/1411:38 am
DEN
- SJU
1 stop10h 12m
United Airlines
Tue 4/211:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 3/16![United Airlines logo]()
$672
This Frontier deal was found by Cheapflights users on 3/16. 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.
Wed 4/111:59 pm
DEN
- PSE
1 stop9h 50m
Frontier
Sun 4/53:57 pm
PSE
- DEN
1 stop9h 12m
Frontier
Deal found 3/16![Frontier logo]()
$479
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 5/111:59 pm
DEN
- BQN
2 stops21h 10m
United Airlines
Thu 5/712:15 am
BQN
- DEN
3 stops21h 25m
United Airlines
Deal found 3/16![United Airlines logo]()
$697
Last-minute flights from Colorado to Puerto RicoDiscover last-minute flight deals from Colorado to Puerto Rico. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Puerto Rico. Data last updated March 18, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:25 am
DEN
- BQN
1 stop14h 17m
Frontier
Fri 4/32:43 am
BQN
- DEN
1 stop22h 21m
Frontier
Deal found 3/16![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:49 pm
DEN
- SJU
1 stop23h 28m
Frontier
Tue 4/1411:00 am
SJU
- DEN
1 stop24h 40m
Frontier
Deal found 3/16![Frontier logo]()
$270
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
DEN
- SJU
1 stop10h 49m
Frontier
Tue 4/1411:00 am
SJU
- DEN
1 stop24h 40m
Frontier
Deal found 3/15![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Sat 4/116:00 am
DEN
- SJU
1 stop12h 49m
Frontier
Tue 4/143:08 am
SJU
- DEN
2 stops16h 10m
Frontier
Deal found 3/17![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/116:00 am
DEN
- SJU
1 stop12h 49m
Frontier
Fri 4/176:00 am
SJU
- DEN
2 stops28h 57m
Frontier
Deal found 3/13![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/1411:59 pm
DEN
- SJU
1 stop7h 55m
Multiple Airlines
Tue 4/217:00 am
SJU
- DEN
2 stops28h 25m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$278
This CheapOair deal was found by Cheapflights users on 3/14. 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 4/1511:59 pm
DEN
- SJU
1 stop21h 30m
Frontier
Tue 4/213:08 am
SJU
- DEN
1 stop31h 13m
Frontier
Deal found 3/14![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/1811:59 pm
DEN
- SJU
1 stop22h 30m
Frontier
Fri 4/241:59 am
SJU
- DEN
1 stop23h 10m
Frontier
Deal found 3/12![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2011:59 pm
DEN
- SJU
1 stop7h 55m
Frontier
Fri 4/246:00 am
SJU
- DEN
2 stops30h 19m
Frontier
Deal found 3/13![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2111:05 pm
DEN
- SJU
1 stop16h 54m
Frontier
Tue 4/283:08 am
SJU
- DEN
2 stops21h 21m
Frontier
Deal found 3/13![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2211:59 pm
DEN
- SJU
1 stop22h 30m
Frontier
Tue 4/283:08 am
SJU
- DEN
1 stop21h 51m
Frontier
Deal found 3/13![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/2511:59 pm
DEN
- SJU
1 stop12h 09m
Frontier
Sun 5/33:21 am
SJU
- DEN
1 stop31h 03m
Frontier
Deal found 3/14![Frontier logo]()
$248
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 March 18, 2026.
Search for one-way flight options from Colorado to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Expedia deal was found by Cheapflights users on 3/17. 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.
Thu 4/1611:59 pm
DEN
- BQN
1 stop23h 44m
Frontier
Deal found 3/17![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:59 pm
DEN
- SJU
1 stop12h 02m
Frontier
Deal found 3/16![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 3/17. 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.
Tue 4/1411:59 pm
DEN
- SJU
1 stop13h 31m
Frontier
Deal found 3/17![Frontier logo]()
$120
This Priceline deal was found by Cheapflights users on 3/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:49 pm
DEN
- SJU
1 stop23h 28m
Frontier
Deal found 3/15![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 3/15. 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.
Wed 4/811:59 pm
DEN
- PSE
1 stop9h 50m
Frontier
Deal found 3/15![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/1511:59 pm
DEN
- SJU
1 stop21h 30m
Frontier
Deal found 3/14![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Thu 4/1611:59 pm
DEN
- SJU
1 stop21h 30m
Frontier
Deal found 3/17![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:23 pm
DEN
- SJU
2 stops42h 10m
Frontier
Deal found 3/16![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/1211:56 pm
DEN
- SJU
2 stops21h 57m
Frontier
Deal found 3/13![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 3/15. 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.
Mon 3/3011:59 pm
DEN
- PSE
1 stop10h 38m
Frontier
Deal found 3/15![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 3/3110:20 am
DEN
- SJU
2 stops12h 59m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 3/279:00 pm
DEN
- SJU
2 stops22h 34m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$158
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 March 18, 2026.
Round-trip from | $248 (Kiwi.com) |
|---|---|
One-way from | $117 (Expedia) |
Popular in | December |
Cheapest in | August |
Average price | $516 |
Good round-trip deal | $614 or less |
Good one-way deal | $378 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 March 18, 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
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
Sat 4/18
11:59 pm-12:50 pm
1 stop10h 51m
San Juan Luis Munoz Marin Intl
Fri 4/24
7:00 am-10:34 pm
2 stops17h 34m
$283
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
Sat 4/18
11:59 pm-12:50 pm
1 stop10h 51m
San Juan Luis Munoz Marin Intl
Fri 4/24
1:55 pm-11:09 pm
1 stop11h 14m
$299
DenverAguadilla
DEN - BQN
DENBQN
Denver Intl
Fri 4/17
11:59 pm-1:43 am
1 stop23h 44m
Aguadilla Borinquen
Thu 4/23
2:43 am-10:59 pm
1 stop22h 16m
$325
DenverAguadilla
DEN - BQN
DENBQN
Denver Intl
Mon 5/4
9:25 am-1:43 am
1 stop14h 18m
Aguadilla Borinquen
Thu 5/7
12:28 pm-11:11 pm
1 stop12h 43m
$325
VailSan Juan
EGE - SJU
EGESJU
Vail Eagle County
Wed 4/22
8:00 am-9:13 am
2 stops23h 13m
San Juan Luis Munoz Marin Intl
Wed 4/29
6:45 am-7:09 pm
1 stop14h 24m
$365
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Tue 5/5
11:56 pm-10:28 am
1 stop8h 32m
Ponce Mercedita
Thu 5/7
10:02 am-11:11 pm
1 stop15h 09m
$366
Colorado SpringsSan Juan
COS - SJU
COSSJU
Colorado Springs
Sat 5/2
1:39 pm-9:13 am
2 stops17h 34m
San Juan Luis Munoz Marin Intl
Sat 5/9
11:59 pm-12:49 pm
1 stop14h 50m
$373
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Mon 4/6
5:53 pm-10:31 am
1 stop14h 38m
Ponce Mercedita
Sat 4/11
11:35 am-8:24 pm
1 stop10h 49m
$386
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Thu 4/23
11:59 pm-10:31 am
1 stop8h 32m
Ponce Mercedita
Thu 5/7
10:02 am-11:11 pm
1 stop15h 09m
$386
DenverPonce
DEN - PSE
DENPSE
Denver Intl
Mon 4/6
11:59 pm-10:31 am
1 stop8h 32m
Ponce Mercedita
Thu 4/9
12:39 pm-11:09 pm
1 stop12h 30m
$386
Showing 1-10 of 60 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-BQN
DEN-SJU
DEN-PSE
COS-SJU
ASE-SJU
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-BQN
DEN-SJU
DEN-PSE
COS-SJU
What is the cheapest month to book a flight from Colorado to Puerto Rico?
Currently, April is the cheapest month in which you can book a flight from Colorado to Puerto Rico (average of $176). Flying from Colorado to Puerto Rico in December is currently the most expensive (average of $292). 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 March 18, 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 March 18, 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).
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.
Alternative routes
Complete your trip
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Other flight options
Popular flights
Return Flight Options
Top destinations
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 March 18, 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$333 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$192 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$578 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$427 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$355 | Average$648 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$376 | Average$591 | FlexibilityNo cancel fee | On-time63% |