Puerto Rico

$123+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Aug 23 — Aug 301
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Cheap 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 18, 2025.

Round-trip from

$245
(American Airlines)

One-way from

$123
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$338

Good round-trip deal

$576 or less
From Colorado to Puerto Rico
One-way flight from Colorado to Puerto Rico
Highest demand for flights based on searches. 18% potential increase in price ($105 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Colorado to Puerto Rico.

Find flight deals from Colorado to Puerto Rico

Cheapest flights from Colorado to Puerto Rico
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 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 10/216:02 amCOS - SJU
2 stops10h 23mAmerican Airlines
Mon 10/277:00 pmSJU - COS
2 stops16h 46mAmerican Airlines
Deal found 8/16$245
This eDestinos deal was found by Cheapflights users on 8/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:34 amDEN - SJU
1 stop30h 25mFrontier
Wed 9/38:13 pmSJU - DEN
1 stop13h 56mFrontier
Deal found 8/16$250
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/136:59 pmDEN - SJU
1 stop16h 44mMultiple Airlines
Thu 9/1812:28 amSJU - DEN
1 stop10h 29mMultiple Airlines
Deal found 8/17$256
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/136:59 pmDEN - SJU
1 stop16h 44mMultiple Airlines
Wed 9/2412:28 amSJU - DEN
1 stop10h 29mMultiple Airlines
Deal found 8/17$258
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 9/247:48 pmDEN - SJU
1 stop15h 55mMultiple Airlines
Sun 9/282:38 pmSJU - DEN
1 stop18h 42mMultiple Airlines
Deal found 8/16$267
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:59 amDEN - SJU
1 stop11h 12mFrontier
Sun 9/218:00 amSJU - DEN
1 stop14h 04mFrontier
Deal found 8/17$268
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:04 amDEN - BQN
1 stop24h 23mFrontier
Sun 9/143:32 amBQN - DEN
1 stop21h 41mFrontier
Deal found 8/17$269
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:59 amDEN - SJU
1 stop11h 10mFrontier
Wed 10/221:17 pmSJU - DEN
1 stop11h 59mFrontier
Deal found 8/17$269
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:55 pmDEN - SJU
1 stop12h 57mFrontier
Sat 9/273:39 amSJU - DEN
1 stop21h 34mFrontier
Deal found 8/16$271
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:25 amDEN - SJU
1 stop7h 17mFrontier
Sun 11/22:11 amSJU - DEN
1 stop9h 24mFrontier
Deal found 8/16$275
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:04 amDEN - SJU
1 stop24h 30mFrontier
Wed 9/241:06 pmSJU - DEN
1 stop21h 51mFrontier
Deal found 8/17$276
This Priceline deal was found by Cheapflights users on 8/15. 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.
Tue 10/75:40 pmDEN - BQN
1 stop30h 24mFrontier
Sun 10/122:59 amBQN - DEN
1 stop16h 14mFrontier
Deal found 8/15$277

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 18, 2025.
Use the filters below to find and compare flights from Colorado to Puerto Rico that are best for you.

Fly from

Colorado

Fly to

Puerto Rico

Route

Depart

Return

Price

Colorado SpringsSan Juan

COS - SJU

COSSJU

Colorado Springs

Tue 10/21

6:02 am-6:25 pm

2 stops10h 23m

San Juan Luis Munoz Marin Intl

Mon 10/27

7:00 pm-9:46 am

2 stops16h 46m

$245

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 9/13

6:59 pm-1:43 pm

1 stop16h 44m

San Juan Luis Munoz Marin Intl

Thu 9/18

12:28 am-8:57 am

1 stop10h 29m

$256

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 9/13

6:59 pm-1:43 pm

1 stop16h 44m

San Juan Luis Munoz Marin Intl

Fri 9/26

7:50 pm-9:15 am

1 stop15h 25m

$266

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 10/7

12:36 am-12:00 pm

1 stop9h 24m

San Juan Luis Munoz Marin Intl

Mon 10/13

9:19 pm-11:16 pm

1 stop27h 57m

$268

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 9/6

11:59 pm-3:22 pm

1 stop13h 23m

San Juan Luis Munoz Marin Intl

Fri 9/12

12:28 am-8:57 am

1 stop10h 29m

$268

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 9/13

9:44 am-2:34 am

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Tue 9/23

3:39 am-10:14 am

1 stop8h 35m

$268

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 9/25

6:55 pm-9:52 am

1 stop12h 57m

San Juan Luis Munoz Marin Intl

Sun 10/12

1:59 am-8:58 am

1 stop8h 59m

$268

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 10/6

7:01 pm-2:30 am

1 stop29h 29m

San Juan Luis Munoz Marin Intl

Mon 10/13

9:19 pm-11:16 pm

1 stop27h 57m

$268

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Thu 9/11

12:04 am-2:27 am

1 stop24h 23m

Aguadilla Borinquen

Sun 9/14

3:32 am-11:13 pm

1 stop21h 41m

$269

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 10/7

5:40 pm-2:04 am

1 stop30h 24m

Aguadilla Borinquen

Sun 10/12

2:59 am-5:13 pm

1 stop16h 14m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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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.
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

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 $254). Flying from Colorado to Puerto Rico in June is currently the most expensive (average of $339). 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 18, 2025.

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.

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.
  • How long is the flight from Colorado to Puerto Rico?

    There are many flights that can get you from Colorado to Puerto Rico in 9h 24m. Fly via American Airlines, Frontier, or Southwest to get the fastest option. There are 2730 mi between Colorado and Puerto Rico. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to Puerto Rico one-way?

    One-way options have recently been found by users for as low as $123 on American Airlines. Other airlines that offer cheap prices include Frontier from $127 and United Airlines from $218 one-way.

  • Can I find deals for flights from Colorado to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Colorado to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Puerto Rico.

  • Can I find deals for business class flights from Colorado to Puerto Rico?

    Yes. Cheapflights offers flight deals from Colorado to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $254). Flying from Colorado to Puerto Rico in June is currently the most expensive (average of $339). 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.

See more FAQs

Browse thousands of different 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.

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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$293FlexibilityNo cancel feeOn-time62%
DeltaCheapest$192Average$595FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$276Average$427FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$336Average$641FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$345Average$633FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$430Average$566FlexibilityNo cancel feeOn-time63%

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