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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Oct 17 — Oct 241
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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 September 17, 2025.

Round-trip from

$265
(American Airlines)

One-way from

$123
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$423

Good round-trip deal

$576 or less

Good one-way deal

$323 or less
From Colorado to Puerto Rico
One-way flight from Colorado to Puerto Rico
Highest demand for flights based on searches. 17% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Colorado to Puerto Rico.
Price to beat on a one-way 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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/255:01 pmCOS - SJU
2 stops16h 05mAmerican Airlines
Thu 10/307:05 amSJU - COS
2 stops18h 39mAmerican Airlines
Deal found 9/14$265
This Frontier deal was found by Cheapflights users on 9/15. 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 10/2311:45 pmDEN - SJU
1 stop9h 12mFrontier
Sun 10/269:06 pmSJU - DEN
1 stop13h 27mFrontier
Deal found 9/15$268
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:40 pmDEN - BQN
1 stop30h 24mFrontier
Mon 10/202:59 amBQN - DEN
1 stop11h 45mFrontier
Deal found 9/16$268
This Frontier deal was found by Cheapflights users on 9/17. 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.
Sun 11/212:59 amDEN - SJU
1 stop11h 20mFrontier
Wed 11/121:59 amSJU - DEN
1 stop9h 36mFrontier
Deal found 9/17$269
This Frontier deal was found by Cheapflights users on 9/17. 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.
Sat 11/89:20 amDEN - SJU
1 stop14h 34mFrontier
Sun 11/97:30 amSJU - DEN
1 stop10h 23mFrontier
Deal found 9/17$272
This Frontier deal was found by Cheapflights users on 9/15. 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.
Fri 10/179:19 pmDEN - SJU
2 stops19h 39mFrontier
Fri 10/2411:48 amSJU - DEN
2 stops13h 11mFrontier
Deal found 9/15$273
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/46:55 pmDEN - SJU
1 stop12h 57mFrontier
Wed 10/86:22 amSJU - DEN
1 stop11h 02mFrontier
Deal found 9/17$274
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Tue 11/188:13 pmDEN - SJU
1 stop16h 33mMultiple Airlines
Thu 12/1111:02 amSJU - DEN
1 stop8h 46mMultiple Airlines
Deal found 9/14$275
This Priceline deal was found by Cheapflights users on 9/15. 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.
Sat 10/2510:00 amDEN - SJU
1 stop14h 30mFrontier
Sun 11/26:54 pmSJU - DEN
1 stop16h 39mFrontier
Deal found 9/15$276
This Frontier deal was found by Cheapflights users on 9/17. 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.
Sat 11/89:20 amDEN - SJU
1 stop14h 34mFrontier
Thu 11/132:11 amSJU - DEN
1 stop9h 24mFrontier
Deal found 9/17$277
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 11/157:14 pmDEN - SJU
2 stops16h 28mFrontier
Wed 11/199:00 amSJU - DEN
1 stop12h 26mFrontier
Deal found 9/16$278
This Frontier deal was found by Cheapflights users on 9/17. 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.
Sun 10/1912:59 amDEN - SJU
2 stops16h 57mFrontier
Fri 10/241:59 amSJU - DEN
2 stops20h 00mFrontier
Deal found 9/17$279

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 September 17, 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

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 10/14

5:40 pm-2:04 am

1 stop30h 24m

Aguadilla Borinquen

Mon 10/20

2:59 am-12:44 pm

1 stop11h 45m

$268

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 10/21

12:36 am-2:04 am

1 stop23h 28m

Aguadilla Borinquen

Sun 10/26

2:59 am-11:16 pm

1 stop22h 17m

$268

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Sun 9/28

12:04 am-9:30 am

1 stop7h 26m

Ponce Mercedita

Thu 10/2

10:15 am-11:13 pm

1 stop14h 58m

$286

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Wed 10/1

11:19 am-2:27 am

1 stop13h 08m

Aguadilla Borinquen

Sat 10/4

3:32 am-8:09 am

1 stop30h 37m

$306

Colorado SpringsSan Juan

COS - SJU

COSSJU

Colorado Springs

Tue 3/10

5:08 pm-3:55 am

1 stop8h 47m

San Juan Luis Munoz Marin Intl

Wed 3/11

3:45 pm-11:30 am

2 stops21h 45m

$337

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 11/3

6:54 pm-3:53 pm

2 stops17h 59m

San Juan Luis Munoz Marin Intl

Sat 11/8

7:15 am-8:47 pm

1 stop16h 32m

$365

VailSan Juan

EGE - SJU

EGESJU

Vail Eagle County

Sat 10/25

8:08 am-11:06 am

2 stops24h 58m

San Juan Luis Munoz Marin Intl

Wed 10/29

7:05 am-6:57 pm

2 stops13h 52m

$365

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 10/21

12:36 am-2:04 am

1 stop23h 28m

Aguadilla Borinquen

Sun 10/26

2:59 am-1:36 pm

2 stops12h 37m

$366

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 10/14

8:21 pm-2:04 am

2 stops27h 43m

Aguadilla Borinquen

Mon 10/20

2:59 am-11:16 pm

1 stop22h 17m

$366

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 11/18

10:20 am-11:20 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Thu 12/11

8:55 am-3:55 pm

2 stops10h 00m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 58 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 September 17, 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 8h 47m. Fly via Frontier, American Airlines, or Southwest to get the fastest option. There are 2705 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 Frontier. Other airlines that offer cheap prices include Delta from $188 and Southwest from $232 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$296FlexibilityNo cancel feeOn-time62%
DeltaCheapest$192Average$591FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$327Average$440FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$336Average$655FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$345Average$634FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$430Average$567FlexibilityNo cancel feeOn-time63%

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