$132+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Sep 9 — Sep 161
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from 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 August 10, 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 August 10, 2026.
This Frontier deal was found by Cheapflights users on 8/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:12 pm -
1 stop13h 01m
Mon 9/142:44 am -
1 stop14h 53m
Deal found 8/9![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:10 am -
1 stop11h 48m
Thu 10/84:39 pm -
1 stop26h 16m
Deal found 8/8![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/113:55 pm -
2 stops40h 18m
Thu 9/1711:08 am -
1 stop10h 29m
Deal found 8/9![Frontier logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/1210:44 am -
2 stops21h 29m
Mon 9/2111:08 am -
1 stop22h 44m
Deal found 8/7![Frontier logo]()
$368
This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am -
1 stop17h 09m
Wed 9/1611:12 am -
1 stop22h 25m
Deal found 8/9![Frontier logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/257:00 am -
1 stop8h 38m
Mon 9/281:25 pm -
2 stops12h 34m
Deal found 8/9![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/56:00 am -
1 stop18h 10m
Wed 9/1611:12 am -
2 stops32h 10m
Deal found 8/9![Frontier logo]()
$374
This Frontier deal was found by Cheapflights users on 8/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:12 pm -
1 stop13h 01m
Mon 9/1411:08 am -
1 stop10h 29m
Deal found 8/9![Frontier logo]()
$376
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/237:12 pm -
1 stop13h 42m
Mon 9/2810:05 am -
1 stop11h 32m
Deal found 8/7![Frontier logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:10 pm -
2 stops37h 03m
Sun 9/2011:08 am -
1 stop22h 29m
Deal found 8/7![Frontier logo]()
$377
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:18 pm -
2 stops19h 42m
Wed 9/306:00 am -
2 stops12h 29m
Deal found 8/7![American Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/2511:59 pm -
1 stop9h 07m
Fri 8/286:35 am -
2 stops17h 35m
Deal found 8/7![Frontier logo]()
$378
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 August 10, 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 August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:10 am -
1 stop11h 48m
Thu 10/84:39 pm -
1 stop26h 16m
Deal found 8/8![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/316:00 am -
2 stops12h 24m
Thu 11/52:21 pm -
1 stop9h 28m
Deal found 8/7![United Airlines logo]()
$372
This Frontier deal was found by Cheapflights users on 8/8. 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.
Wed 9/237:12 pm -
1 stop13h 42m
Mon 9/2810:05 am -
1 stop11h 32m
Deal found 8/8![Frontier logo]()
$376
This Southwest deal was found by Cheapflights users on 8/8. 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.
Fri 10/3011:25 am -
2 stops10h 40m
Wed 11/46:40 am -
2 stops13h 25m
Deal found 8/8![Southwest logo]()
$446
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:42 pm -
2 stops23h 48m
Sun 9/132:58 pm -
2 stops21h 27m
Deal found 8/5![American Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 9/256:00 am -
1 stop9h 38m
Mon 9/282:00 pm -
1 stop8h 44m
Deal found 8/8![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/306:00 am -
1 stop9h 25m
Fri 11/63:46 pm -
2 stops11h 13m
Deal found 8/7![United Airlines logo]()
$372
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/2311:59 pm -
1 stop8h 03m
Thu 8/2710:47 am -
1 stop14h 13m
Deal found 8/7![Frontier logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/306:00 am -
1 stop9h 25m
Thu 11/53:46 pm -
1 stop8h 59m
Deal found 8/7![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am -
1 stop8h 38m
Thu 10/152:00 pm -
1 stop8h 09m
Deal found 8/5![United Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 12/24:26 pm -
2 stops15h 09m
Sat 12/127:00 am -
1 stop11h 56m
Deal found 8/7![American Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:00 pm -
2 stops9h 25m
Fri 8/286:00 am -
2 stops9h 05m
Deal found 8/5![Southwest logo]()
$536
This CheapOair deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:59 pm -
1 stop8h 03m
Wed 9/98:55 am -
2 stops28h 48m
Deal found 8/5![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/111:59 pm -
2 stops32h 03m
Mon 9/710:47 am -
1 stop23h 20m
Deal found 8/6![Frontier logo]()
$516
This Southwest deal was found by Cheapflights users on 8/9. 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 1/148:00 am -
1 stop11h 00m
Fri 1/299:05 am -
2 stops11h 10m
Deal found 8/9![Southwest logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/167:40 am -
1 stop10h 58m
Wed 9/307:00 am -
2 stops11h 26m
Deal found 8/7![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Sun 9/67:00 am -
1 stop14h 15m
Sun 9/136:00 am -
2 stops16h 13m
Deal found 8/9![American Airlines logo]()
$592
This CheapOair deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:12 pm -
1 stop12h 06m
Sat 10/105:01 am -
2 stops35h 17m
Deal found 8/4![Multiple Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/27:00 am -
1 stop8h 25m
Tue 2/22:05 am -
2 stops12h 13m
Deal found 8/5![United Airlines logo]()
$457
This CheapOair deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/233:15 pm -
2 stops38h 46m
Mon 9/2810:05 am -
1 stop11h 32m
Deal found 8/6![Multiple Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 11/147:10 am -
2 stops11h 14m
Wed 12/22:25 pm -
1 stop8h 47m
Deal found 8/9![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/27:15 am -
2 stops12h 07m
Wed 2/38:10 am -
2 stops13h 40m
Deal found 8/5![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 2/17:43 am -
1 stop7h 42m
Wed 2/38:10 am -
2 stops15h 17m
Deal found 8/8![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/277:00 am -
1 stop8h 25m
Fri 10/306:40 am -
2 stops15h 51m
Deal found 8/8![United Airlines logo]()
$536
This United deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:46 am -
1 stop28h 49m
Fri 10/99:55 am -
1 stop10h 24m
Deal found 8/7![Multiple Airlines logo]()
$1,035
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/167:10 am -
2 stops10h 50m
Tue 12/12:05 am -
2 stops13h 45m
Deal found 8/7![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 11/97:10 am -
2 stops10h 50m
Wed 11/118:25 am -
2 stops15h 09m
Deal found 8/8![United Airlines logo]()
$562
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/129:46 am -
Nonstop5h 39m
Wed 11/182:21 pm -
Nonstop6h 46m
Deal found 8/7![United Airlines logo]()
$577
This United deal was found by Cheapflights users on 8/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/178:45 pm -
1 stop11h 17m
Thu 12/2411:40 am -
1 stop9h 27m
Deal found 8/9![Multiple Airlines logo]()
$1,260
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 10/309:46 am -
Nonstop5h 39m
Wed 11/42:21 pm -
Nonstop6h 46m
Deal found 8/8![United Airlines logo]()
$597
Last-minute flights from Colorado to Puerto RicoDiscover last-minute flight deals from Colorado to Puerto Rico. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Puerto Rico. Data last updated August 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/2511:59 pm -
1 stop9h 07m
Fri 8/286:35 am -
2 stops17h 35m
Deal found 8/7![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/56:00 am -
1 stop18h 10m
Wed 9/1611:12 am -
2 stops32h 10m
Deal found 8/9![Frontier logo]()
$374
This Frontier deal was found by Cheapflights users on 8/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:12 pm -
1 stop13h 01m
Mon 9/142:44 am -
1 stop14h 53m
Deal found 8/9![Frontier logo]()
$356
This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am -
1 stop17h 09m
Wed 9/1611:12 am -
1 stop22h 25m
Deal found 8/9![Frontier logo]()
$370
This Frontier deal was found by Cheapflights users on 8/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:12 pm -
1 stop13h 01m
Sun 9/1311:08 am -
1 stop10h 29m
Deal found 8/9![Frontier logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/113:55 pm -
2 stops40h 18m
Thu 9/1711:08 am -
1 stop10h 29m
Deal found 8/9![Frontier logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:10 pm -
2 stops37h 03m
Sun 9/2011:08 am -
1 stop22h 29m
Deal found 8/7![Frontier logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/1210:44 am -
2 stops21h 29m
Mon 9/2111:08 am -
1 stop22h 44m
Deal found 8/7![Frontier logo]()
$368
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:18 pm -
2 stops19h 42m
Wed 9/306:00 am -
2 stops12h 29m
Deal found 8/7![American Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:10 am -
1 stop11h 48m
Thu 10/84:39 pm -
1 stop26h 16m
Deal found 8/8![Multiple Airlines logo]()
$359
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/237:12 pm -
1 stop13h 42m
Mon 9/2810:05 am -
1 stop11h 32m
Deal found 8/7![Frontier logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/257:00 am -
1 stop8h 38m
Mon 9/281:25 pm -
2 stops12h 34m
Deal found 8/9![United Airlines logo]()
$372
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 August 10, 2026.
Search for one-way flight options from Colorado to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:16 pm -
2 stops26h 57m
Deal found 8/7![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:16 pm -
2 stops35h 02m
Deal found 8/9![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/196:09 am -
2 stops18h 04m
Deal found 8/6![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/166:30 am -
2 stops33h 49m
Deal found 8/7![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Mon 10/126:30 am -
2 stops39h 46m
Deal found 8/9![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:10 pm -
2 stops37h 43m
Deal found 8/8![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 pm -
2 stops29h 03m
Deal found 8/8![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Mon 8/3111:59 pm -
2 stops22h 44m
Deal found 8/9![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/167:10 pm -
2 stops29h 03m
Deal found 8/6![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/2312:24 pm -
2 stops23h 10m
Deal found 8/9![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/1111:59 pm -
2 stops21h 39m
Deal found 8/7![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:10 pm -
2 stops37h 04m
Deal found 8/7![Frontier logo]()
$177
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 August 10, 2026.
Round-trip from | $356 (Frontier) |
|---|---|
One-way from | $132 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $445 |
Good round-trip deal | $597 or less |
Good one-way deal | $414 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 August 10, 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
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Mon 9/21
10:10 am-11:58 pm
1 stop11h 48m
San Juan Luis Munoz Marin Intl
Thu 10/8
4:39 pm-4:55 pm
1 stop26h 16m
$359
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Sat 10/31
6:00 am-8:24 pm
2 stops12h 24m
San Juan Luis Munoz Marin Intl
Thu 11/5
2:21 pm-8:49 pm
1 stop9h 28m
$372
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Fri 9/25
6:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Mon 9/28
2:00 pm-8:44 pm
1 stop8h 44m
$372
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Fri 10/30
6:00 am-5:25 pm
1 stop9h 25m
San Juan Luis Munoz Marin Intl
Fri 11/6
3:46 pm-11:59 pm
2 stops11h 13m
$372
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Fri 10/30
6:00 am-5:25 pm
1 stop9h 25m
San Juan Luis Munoz Marin Intl
Thu 11/5
3:46 pm-9:45 pm
1 stop8h 59m
$372
DenverPonce
DEN Denver Intl - PSE Ponce Mercedita
DENPSE
Denver Intl
Wed 9/23
7:12 pm-10:54 am
1 stop13h 42m
Ponce Mercedita
Mon 9/28
10:05 am-7:37 pm
1 stop11h 32m
$376
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Fri 9/25
7:00 am-5:38 pm
1 stop8h 38m
San Juan Luis Munoz Marin Intl
Thu 10/15
2:00 pm-8:09 pm
1 stop8h 09m
$392
Colorado SpringsSan Juan
COS Colorado Springs - SJU San Juan Luis Munoz Marin Intl
COSSJU
Colorado Springs
Wed 9/16
7:40 am-8:38 pm
1 stop10h 58m
San Juan Luis Munoz Marin Intl
Wed 9/30
7:00 am-4:26 pm
2 stops11h 26m
$412
DenverPonce
DEN Denver Intl - PSE Ponce Mercedita
DENPSE
Denver Intl
Sun 8/23
11:59 pm-10:02 am
1 stop8h 03m
Ponce Mercedita
Thu 8/27
10:47 am-11:00 pm
1 stop14h 13m
$436
DenverSan Juan
DEN Denver Intl - SJU San Juan Luis Munoz Marin Intl
DENSJU
Denver Intl
Fri 10/30
11:25 am-12:05 am
2 stops10h 40m
San Juan Luis Munoz Marin Intl
Wed 11/4
6:40 am-5:05 pm
2 stops13h 25m
$446
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-SJU
DEN-BQN
COS-SJU
EGE-SJU
GJT-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-SJU
DEN-BQN
COS-SJU
EGE-SJU
What is the cheapest month to book a flight from Colorado to Puerto Rico?
Currently, September is the cheapest month in which you can book a flight from Colorado to Puerto Rico (average of $434). Flying from Colorado to Puerto Rico in December is currently the most expensive (average of $677). 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 August 10, 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.
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 August 10, 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$184 | Average$383 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$265 | Average$621 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$559 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$443 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$353 | Average$575 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$591 | FlexibilityNo cancel fee | On-time63% |