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Puerto Rico

$123+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$255
(Cheapflightsfares)

One-way from

$123
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$419

Good round-trip deal

$656 or less

Good one-way deal

$533 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. 19% potential increase in price ($108 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 July 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 julio 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
vie. 8/88:44 amDEN - SJU
1 stop7h 54mFrontier
jue. 8/145:43 pmSJU - DEN
1 stop8h 13mFrontier
Deal found 7/29$255
This Priceline deal was found by Cheapflights users on 7/28. 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.
mié. 8/612:23 amDEN - BQN
1 stop23h 38mFrontier
lun. 8/1111:21 amBQN - DEN
1 stop13h 50mFrontier
Deal found 7/28$269
This Priceline deal was found by Cheapflights users on 7/28. 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.
mié. 8/138:00 amDEN - PSE
1 stop22h 26mFrontier
dom. 8/179:16 amPSE - DEN
1 stop15h 55mFrontier
Deal found 7/28$269
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2010:44 pmDEN - BQN
2 stops17h 06mJetBlue
vie. 10/248:07 pmBQN - DEN
2 stops19h 28mJetBlue
Deal found 7/28$432
This United Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 12/106:00 amDEN - BQN
2 stops14h 57mUnited Airlines
dom. 12/141:09 amBQN - DEN
1 stop10h 16mUnited Airlines
Deal found 7/28$540
This JetBlue deal was found by Cheapflights users on 7/28. 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.
mié. 7/3011:25 amDEN - PSE
1 stop10h 54mJetBlue
lun. 8/41:59 amPSE - DEN
1 stop10h 26mJetBlue
Deal found 7/28$720

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 julio 30, 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

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

vie. 8/8

8:44 am-6:38 pm

1 stop7h 54m

San Juan Luis Munoz Marin Intl

jue. 8/14

5:43 pm-11:56 pm

1 stop8h 13m

$255

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

mié. 8/6

12:23 am-2:01 am

1 stop23h 38m

Aguadilla Borinquen

lun. 8/11

11:21 am-11:11 pm

1 stop13h 50m

$269

DenverPonce

DEN - PSE

DENPSE

Denver Intl

mié. 8/13

8:00 am-8:26 am

1 stop22h 26m

Ponce Mercedita

dom. 8/17

9:16 am-11:11 pm

1 stop15h 55m

$269

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

lun. 10/20

10:44 pm-5:50 pm

2 stops17h 06m

Aguadilla Borinquen

vie. 10/24

8:07 pm-1:35 pm

2 stops19h 28m

$432

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

vie. 9/19

9:05 pm-11:09 pm

2 stops24h 04m

Aguadilla Borinquen

mar. 9/23

12:15 am-6:17 pm

2 stops20h 02m

$567

DenverPonce

DEN - PSE

DENPSE

Denver Intl

mié. 8/13

11:25 am-12:19 am

1 stop10h 54m

Ponce Mercedita

sáb. 8/16

1:59 am-10:25 am

1 stop10h 26m

$776

DenverPonce

DEN - PSE

DENPSE

Denver Intl

jue. 9/25

12:04 am-9:30 am

1 stop7h 26m

$123

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

dom. 8/17

6:00 am-3:52 pm

1 stop7h 52m

$128

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

sáb. 8/30

7:48 pm-2:17 pm

1 stop16h 29m

$133

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

mié. 8/27

9:59 am-12:49 am

1 stop12h 50m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 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 julio 30, 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 julio 30, 2025.
Read through reviews of airlines operating flights from Denver to Puerto Rico, such as Alaska Airlines, Southwest, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
JetBlue
7.3
Good
2,913 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.9
Fair
3,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $123. JetBlue flights start at $163 while deals on Southwest start at $176 one-way.

  • 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 - Ponce Mercedita.

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

    The cheapest flight price from Denver to Puerto Rico is $266. On average you can expect to pay $690. The most popular route, (Denver Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $268.

  • 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 Montego Bay flights
Denver to George Town flights
Denver to Willemstad flights
Denver to Providenciales flights
Denver to Simpson Bay flights
Denver to Castries flights
Colorado Springs to Luis Munoz Marin Intl flights
Denver to Bridgetown flights
Denver to Santo Domingo flights
Denver to Christiansted flights
Denver to Santiago de los Caballeros flights
Denver to Kingston flights
Denver to Puerto Plata flights
Denver to Road Town flights
Denver to Kralendijk flights
Denver to St. George's flights
Denver to Aguadilla flights
Denver to St. John's flights
Colorado Springs to Montego Bay flights
Denver to Castries flights
Grand Junction to Luis Munoz Marin Intl flights
Denver to Basseterre flights
Denver to Port of Spain flights
Denver to Gregory Town flights
Grand Junction to Saint Thomas Island flights
Denver to Newcastle flights
Colorado Springs to Nassau flights
Vail to Luis Munoz Marin Intl flights
Grand Junction to Simpson Bay flights
Denver to Freeport flights
Denver to Roseau flights
Colorado Springs to Saint Thomas Island flights
Denver to Marsh Harbour flights
Colorado Springs to Oranjestad flights
Denver to Pointe-à-Pitre flights
Denver to Georgetown flights
Denver to The Valley flights
Denver to Fort-de-France flights
Colorado Springs to Punta Cana flights
Denver to Kingstown flights
Colorado Springs to George Town flights
Colorado Springs to Bridgetown 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$288FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$276Average$425FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$446Average$585FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$474Average$673FlexibilityNo cancel feeOn-time69%
DeltaCheapest$475Average$661FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$484Average$583FlexibilityNo cancel feeOn-time71%

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