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Puerto Rico

$127+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$237
(Priceline)

One-way from

$127
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$501

Good round-trip deal

$586 or less

Good one-way deal

$353 or less
From Colorado to Puerto Rico
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One-way flight from Colorado to Puerto Rico
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Highest demand for flights based on searches. 19% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Colorado to Puerto Rico.
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Price to beat on a one-way flight from Colorado to Puerto Rico.
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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 June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:23 amDEN - BQN
1 stop23h 38mFrontier
Fri 8/223:39 amBQN - DEN
1 stop30h 23mFrontier
Deal found 6/9$237
This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:58 pmDEN - SJU
1 stop13h 54mFrontier
Sat 8/1610:03 amSJU - DEN
1 stop15h 08mFrontier
Deal found 6/12$253
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:16 pmCOS - SJU
2 stops19h 37mAmerican Airlines
Sun 9/287:05 pmSJU - COS
2 stops17h 06mAmerican Airlines
Deal found 6/12$301
This JetBlue deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:25 amDEN - PSE
1 stop10h 54mJetBlue
Tue 7/151:59 amPSE - DEN
1 stop10h 26mJetBlue
Deal found 6/10$323
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:00 amDEN - PSE
1 stop22h 26mFrontier
Mon 7/149:16 amPSE - DEN
1 stop15h 55mFrontier
Deal found 6/10$345
This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:59 pmDEN - SJU
1 stop12h 38mMultiple Airlines
Sat 11/225:15 pmSJU - DEN
1 stop27h 02mMultiple Airlines
Deal found 6/12$354
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2611:25 amDEN - SJU
1 stop10h 34mJetBlue
Fri 7/43:23 amSJU - DEN
1 stop9h 02mJetBlue
Deal found 6/12$382
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:00 amCOS - SJU
1 stop8h 30mUnited Airlines
Sat 10/252:00 pmSJU - COS
1 stop9h 54mUnited Airlines
Deal found 6/9$391
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:06 amEGE - SJU
1 stop17h 59mAmerican Airlines
Fri 11/148:14 amSJU - EGE
1 stop13h 52mAmerican Airlines
Deal found 6/12$401
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/111:20 amCOS - SJU
2 stops10h 45mSouthwest
Wed 7/306:30 amSJU - COS
1 stop9h 40mSouthwest
Deal found 6/12$457
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:09 amGJT - SJU
2 stops20h 57mAmerican Airlines
Wed 7/236:15 amSJU - GJT
2 stops20h 02mAmerican Airlines
Deal found 6/10$483
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:10 amEGE - SJU
1 stop8h 15mUnited Airlines
Thu 11/132:05 amSJU - EGE
2 stops13h 19mUnited Airlines
Deal found 6/12$491

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 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

Fri 8/15

12:23 am-2:01 am

1 stop23h 38m

Aguadilla Borinquen

Fri 8/22

3:39 am-8:02 am

1 stop30h 23m

$237

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 8/9

11:58 pm-3:52 pm

1 stop13h 54m

San Juan Luis Munoz Marin Intl

Sat 8/16

10:03 am-11:11 pm

1 stop15h 08m

$253

Colorado SpringsSan Juan

COS - SJU

COSSJU

Colorado Springs

Fri 9/26

5:16 pm-2:53 pm

2 stops19h 37m

San Juan Luis Munoz Marin Intl

Sun 9/28

7:05 pm-10:11 am

2 stops17h 06m

$301

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Wed 7/9

11:25 am-12:19 am

1 stop10h 54m

Ponce Mercedita

Tue 7/15

1:59 am-10:25 am

1 stop10h 26m

$323

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Wed 7/9

8:00 am-8:26 am

1 stop22h 26m

Ponce Mercedita

Mon 7/14

9:16 am-11:11 pm

1 stop15h 55m

$345

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 6/26

11:25 am-11:59 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Fri 7/4

3:23 am-10:25 am

1 stop9h 02m

$382

Colorado SpringsSan Juan

COS - SJU

COSSJU

Colorado Springs

Mon 10/20

7:00 am-5:30 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-10:40 am

2 stops11h 35m

$391

VailSan Juan

EGE - SJU

EGESJU

Vail Eagle County

Sun 11/9

8:06 am-5:05 am

1 stop17h 59m

San Juan Luis Munoz Marin Intl

Fri 11/14

8:14 am-7:06 pm

1 stop13h 52m

$401

Colorado SpringsSan Juan

COS - SJU

COSSJU

Colorado Springs

Tue 7/1

11:20 am-12:05 am

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Wed 7/30

6:30 am-2:10 pm

1 stop9h 40m

$457

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Tue 7/15

6:09 am-5:06 am

2 stops20h 57m

San Juan Luis Munoz Marin Intl

Wed 7/23

6:15 am-12:17 am

2 stops20h 02m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 33 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 June 12, 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Colorado to Puerto Rico, such as Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

  • 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 $127 on Frontier. Other airlines that offer cheap prices include JetBlue from $146 and American Airlines from $157 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.
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Top 6 airlines flying from Colorado to Puerto Rico

Discover the top 6 airlines that operate flights from Colorado to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$277FlexibilityNo cancel feeOn-time62%
DeltaCheapest$231Average$554FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$272Average$409FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$300Average$631FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$336Average$623FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$430Average$561FlexibilityNo cancel feeOn-time63%

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