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Puerto Rico

$122+ Cheap flights from Denver (DEN) 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Oct 22 — Oct 291
Wed 10/22
Wed 10/29
1 adult, Economy
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Cheap flight deals from Denver to Puerto Rico

Keep the following information in mind while searching for Denver to Puerto Rico flight deals. Data was last updated September 22, 2025.

Round-trip from

$268
(Frontier)

One-way from

$122
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$423

Good round-trip deal

$576 or less

Good one-way deal

$368 or less
From Denver Intl to Puerto Rico
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One-way flight from Denver Intl to Puerto Rico
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Highest demand for flights based on searches. 17% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Denver Intl to Puerto Rico.
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Price to beat on a one-way flight from Denver Intl to Puerto Rico.
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Find flight deals from Denver to Puerto Rico

Cheapest flights from Denver to Puerto Rico
Explore the most affordable flight options available from Denver to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2025.

This Frontier deal was found by Cheapflights users on 9/20. 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 10/1812:34 amDEN - SJU
1 stop9h 27mFrontier
Tue 10/213:40 amSJU - DEN
1 stop11h 04mFrontier
Deal found 9/20$268
This Frontier deal was found by Cheapflights users on 9/20. 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 12/116:02 pmDEN - BQN
1 stop14h 00mFrontier
Sun 12/147:58 pmBQN - DEN
1 stop15h 26mFrontier
Deal found 9/20$268
This Booking.com deal was found by Cheapflights users on 9/20. 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 11/612:34 amDEN - SJU
1 stop21h 58mFrontier
Sat 11/157:30 amSJU - DEN
1 stop28h 13mFrontier
Deal found 9/20$269
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/39:05 amDEN - SJU
1 stop14h 49mFrontier
Wed 11/121:59 amSJU - DEN
1 stop9h 36mFrontier
Deal found 9/20$270
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 9/279:44 amDEN - SJU
1 stop12h 15mFrontier
Mon 9/293:39 amSJU - DEN
1 stop8h 35mFrontier
Deal found 9/22$272
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/267:38 amDEN - SJU
1 stop15h 21mMultiple Airlines
Wed 10/293:19 pmSJU - DEN
2 stops32h 30mMultiple Airlines
Deal found 9/20$274
This Mytrip deal was found by Cheapflights users on 9/22. 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.
Wed 10/16:01 pmDEN - SJU
1 stop15h 00mFrontier
Wed 10/81:17 pmSJU - DEN
1 stop11h 59mFrontier
Deal found 9/22$276
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/33:23 pmDEN - SJU
2 stops32h 21mMultiple Airlines
Thu 11/139:49 pmSJU - DEN
1 stop27h 40mMultiple Airlines
Deal found 9/20$278
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/271:42 pmDEN - SJU
2 stops26h 12mMultiple Airlines
Thu 10/304:04 pmSJU - DEN
1 stop17h 32mMultiple Airlines
Deal found 9/21$281
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 11/14:34 pmDEN - SJU
1 stop29h 44mMultiple Airlines
Sat 11/86:00 amSJU - DEN
2 stops30h 03mMultiple Airlines
Deal found 9/21$282
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/1111:59 pmDEN - SJU
1 stop23h 09mFrontier
Sun 10/123:40 amSJU - DEN
1 stop15h 33mFrontier
Deal found 9/20$283
This Frontier deal was found by Cheapflights users on 9/20. 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 11/612:34 amDEN - SJU
1 stop12h 36mFrontier
Sun 11/97:30 amSJU - DEN
1 stop10h 23mFrontier
Deal found 9/20$286

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 22, 2025.
Use the filters below to find and compare flights from Denver to Puerto Rico that are best for you.

Fly from

Denver

Fly to

Puerto Rico

Route

Depart

Return

Price

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Fri 1/9

6:31 pm-9:55 am

1 stop12h 24m

Ponce Mercedita

Sun 1/11

10:50 am-11:04 pm

1 stop15h 14m

$306

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Fri 1/9

6:31 pm-9:55 am

1 stop12h 24m

Ponce Mercedita

Mon 1/12

10:50 am-5:33 pm

1 stop9h 43m

$306

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Thu 1/8

6:31 pm-9:55 am

1 stop12h 24m

Ponce Mercedita

Sun 1/11

10:50 am-11:04 pm

1 stop15h 14m

$306

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Fri 1/9

6:31 pm-9:55 am

1 stop12h 24m

Ponce Mercedita

Sat 1/17

10:50 am-11:12 pm

1 stop15h 22m

$344

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Fri 1/9

6:31 pm-9:55 am

1 stop12h 24m

Ponce Mercedita

Thu 1/15

10:50 am-11:12 pm

1 stop15h 22m

$344

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Thu 12/11

11:07 am-11:02 am

2 stops20h 55m

Aguadilla Borinquen

Sun 12/14

7:58 pm-8:24 am

1 stop15h 26m

$382

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 11/11

6:00 am-12:36 am

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Tue 11/18

2:05 am-3:43 pm

2 stops16h 38m

$482

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 10/29

9:45 am-5:25 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Mon 11/3

2:25 pm-6:12 pm

Nonstop6h 47m

$486

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 11/9

9:45 am-6:25 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Thu 11/20

2:05 am-8:34 am

1 stop9h 29m

$491

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 11/9

12:50 pm-12:35 am

2 stops8h 45m

San Juan Luis Munoz Marin Intl

Fri 11/21

6:10 am-4:05 pm

2 stops12h 55m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

Showing 1-10 of 45 results
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Best time to book a flight from Denver to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Denver 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 Denver to Puerto Rico

What is the cheapest month to book a flight from Denver to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Denver to Puerto Rico (average of $254). Flying from Denver 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 DEN to PR?

Find hourly flight availability from Denver 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 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Puerto Rico as you normally would.

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 September 22, 2025.
Read through reviews of airlines operating flights from Denver to Puerto Rico, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,971 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,922 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,166 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Denver 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 airport do you fly from for flights from Denver to Puerto Rico?

    For a flight from Denver to Puerto Rico, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

  • How long is the flight from Denver to Puerto Rico?

    Frontier, United Airlines, and Southwest can get you from Denver to Puerto Rico in just under 8h 45m. Your travel time can differ by up to 6h 51m. Denver and Puerto Rico are separated by a distance of 2730 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Denver to Puerto Rico?

    The most popular route from Denver to Puerto Rico is Denver Intl - San Juan Luis Munoz Marin Intl. You may also consider Denver Intl - Aguadilla Borinquen or Denver Intl - Culebra.

  • What are the cheapest flights from Denver to Puerto Rico?

    The cheapest flight price from Denver to Puerto Rico is $303. On average you can expect to pay $510. The most popular route, (Denver Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $260.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Denver to Puerto Rico (average of $254). Flying from Denver 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

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Alternative routes for Denver to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Luis Munoz Marin Intl flights
Denver to Punta Cana flights
Denver to Saint Thomas Island flights
Denver to Nassau flights
Denver to Oranjestad flights
Denver to Willemstad flights
Denver to George Town flights
Denver to Montego Bay flights
Denver to Providenciales flights
Denver to Simpson Bay flights
Denver to Kralendijk flights
Denver to Santo Domingo flights
Colorado Springs to Punta Cana flights
Denver to Santiago de los Caballeros flights
Denver to Road Town flights
Denver to Gregory Town flights
Denver to Christiansted flights
Denver to Puerto Plata flights
Denver to Kingston flights
Denver to Bridgetown flights
Colorado Springs to Luis Munoz Marin Intl flights
Denver to Castries flights
Grand Junction to Luis Munoz Marin Intl flights
Denver to Port of Spain flights
Grand Junction to Saint Thomas Island flights
Colorado Springs to Montego Bay flights
Denver to St. John's flights
Grand Junction to Simpson Bay flights
Denver to Marsh Harbour flights
Denver to St. George's flights
Denver to Roseau flights
Denver to Freeport flights
Denver to Pointe-à-Pitre flights
Denver to Basseterre flights
Denver to Castries flights
Colorado Springs to Saint Thomas Island flights
Denver to Newcastle flights
Denver to Aguadilla flights
Vail to Luis Munoz Marin Intl flights
Denver to Culebra flights
Colorado Springs to Castries flights
Denver to Fort-de-France flights
Denver to Ponce flights
Denver to Kingstown flights
Denver to Georgetown flights
Colorado Springs to Bridgetown flights
Denver to The Valley flights
Colorado Springs to Nassau flights

Top 6 airlines flying from Denver to Puerto Rico

Discover the top 6 airlines that operate flights from Denver 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$293FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$337Average$433FlexibilityNo cancel feeOn-time62%
DeltaCheapest$381Average$654FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$446Average$591FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$487Average$685FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$494Average$585FlexibilityNo cancel feeOn-time71%

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