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$118+ Cheap flights from Puerto Rico to Denver (DEN)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Puerto Rico to Denver

Keep the following information in mind while searching for Puerto Rico to Denver flight deals. Data was last updated September 16, 2025.

Round-trip from

$234
(eDestinos)

One-way from

$118
(eDestinos)

Popular in

May

Cheapest in

February

Average price

$441

Good round-trip deal

$419 or less

Good one-way deal

$242 or less
From Puerto Rico to Denver Intl
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One-way flight from Puerto Rico to Denver Intl
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Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 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 Puerto Rico to Denver Intl.
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Price to beat on a one-way flight from Puerto Rico to Denver Intl.
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Find flight deals from Puerto Rico to Denver

Cheapest flights from Puerto Rico to Denver
Explore the most affordable flight options available from Puerto Rico to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:59 amSJU - DEN
1 stop8h 59mFrontier
Sun 10/1912:34 amDEN - SJU
1 stop17h 22mFrontier
Deal found 9/14$234
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.
Wed 10/226:22 amSJU - DEN
1 stop11h 02mFrontier
Sat 10/2512:59 amDEN - SJU
1 stop11h 10mFrontier
Deal found 9/15$251
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.
Wed 10/226:22 amSJU - DEN
1 stop11h 02mFrontier
Sun 10/2612:59 amDEN - SJU
2 stops16h 57mFrontier
Deal found 9/16$258
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.
Wed 10/226:22 amSJU - DEN
1 stop11h 02mFrontier
Thu 10/3012:34 amDEN - SJU
1 stop13h 36mFrontier
Deal found 9/15$261
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:39 amSJU - DEN
1 stop8h 35mFrontier
Sat 10/412:59 amDEN - SJU
1 stop11h 12mFrontier
Deal found 9/16$264
This Priceline deal was found by Cheapflights users on 9/13. 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.
Wed 10/11:06 pmSJU - DEN
1 stop21h 51mFrontier
Thu 10/212:04 amDEN - SJU
1 stop24h 30mFrontier
Deal found 9/13$268
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/141:59 amSJU - DEN
1 stop9h 24mFrontier
Sat 1/106:38 pmDEN - SJU
1 stop15h 21mFrontier
Deal found 9/15$270
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:06 pmSJU - DEN
1 stop21h 51mFrontier
Wed 10/81:44 pmDEN - SJU
1 stop10h 46mFrontier
Deal found 9/15$271
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:05 amSJU - DEN
1 stop9h 02mFrontier
Sat 1/1010:45 amDEN - SJU
1 stop13h 05mFrontier
Deal found 9/15$278
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:09 amBQN - DEN
1 stop12h 19mUnited Airlines
Mon 12/111:59 pmDEN - BQN
2 stops20h 58mUnited Airlines
Deal found 9/15$691
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:15 amBQN - DEN
2 stops14h 25mUnited Airlines
Wed 9/2411:40 amDEN - BQN
1 stop9h 29mUnited Airlines
Deal found 9/15$884
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:09 amBQN - DEN
1 stop12h 19mUnited Airlines
Sat 11/2911:45 amDEN - BQN
1 stop9h 12mUnited Airlines
Deal found 9/15$905

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Denver 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 16, 2025.
Use the filters below to find and compare flights from Puerto Rico to Denver that are best for you.

Fly from

Puerto Rico

Fly to

Denver

Route

Depart

Return

Price

AguadillaDenver

BQN - DEN

BQNDEN

Aguadilla Borinquen

Mon 3/2

3:55 am-3:55 pm

1 stop15h 00m

Denver Intl

Thu 3/5

4:50 pm-2:58 am

1 stop7h 08m

$294

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 10/16

2:25 pm-11:04 pm

1 stop10h 39m

Denver Intl

Mon 10/20

10:39 pm-12:27 pm

1 stop11h 48m

$448

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 3/11

7:30 am-3:07 pm

1 stop9h 37m

Denver Intl

Mon 3/16

12:55 am-1:16 pm

1 stop10h 21m

$495

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 11/21

7:15 am-6:47 pm

1 stop14h 32m

Denver Intl

Tue 11/25

12:55 am-2:10 pm

1 stop10h 15m

$495

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 10/16

7:00 am-6:19 pm

1 stop13h 19m

Denver Intl

Mon 10/20

11:59 pm-11:56 am

1 stop9h 57m

$495

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 12/23

9:50 pm-8:20 am

1 stop13h 30m

Denver Intl

Tue 1/6

10:35 am-11:10 pm

2 stops9h 35m

$515

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 11/12

2:05 am-3:44 pm

2 stops16h 39m

Denver Intl

Sun 11/16

6:00 am-9:00 pm

1 stop12h 00m

$539

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 10/17

1:05 am-4:35 pm

2 stops17h 30m

Denver Intl

Tue 10/21

9:50 am-5:30 pm

Nonstop5h 40m

$553

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 10/21

2:00 pm-6:10 pm

Nonstop6h 10m

Denver Intl

Tue 10/28

9:45 am-5:25 pm

Nonstop5h 40m

$576

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 10/22

2:00 pm-6:10 pm

Nonstop6h 10m

Denver Intl

Mon 10/27

9:45 am-5:25 pm

Nonstop5h 40m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 28 results
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Best time to book a flight from Puerto Rico to Denver

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

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

Currently, October is the cheapest month in which you can book a flight from Puerto Rico to Denver (average of $197). Flying from Puerto Rico to Denver in March is currently the most expensive (average of $278). 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 PR to DEN?

Find hourly flight availability from Puerto Rico to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Puerto Rico to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Puerto Rico to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
JetBlue
7.2
Good
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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 Puerto Rico to Denver. 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 into for flights to Denver from Puerto Rico?

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

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

    There are many flights that can get you from Puerto Rico to Denver in 9h 37m. Fly via Frontier, JetBlue, or Delta to get the fastest option. The distance from Puerto Rico to Denver is about 2730 mi. This flight may include one or multiple stops.

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

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (San Juan Luis Munoz Marin Intl - Denver Intl) can be booked for $280 on average, our data indicates $513 when flying from Puerto Rico to Denver.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Puerto Rico to Denver (average of $197). Flying from Puerto Rico to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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Alternative routes for Puerto Rico to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Denver flights
Luis Munoz Marin Intl to Colorado Springs flights
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Oranjestad to Colorado Springs flights
Simpson Bay to Denver flights
Christiansted to Denver flights
Santiago de los Caballeros to Denver flights
Puerto Plata to Denver flights
Port Au Prince to Denver flights
Oranjestad to Denver flights

Top 6 airlines flying from Puerto Rico to Denver

Discover the top 6 airlines that operate flights from Puerto Rico to Denver. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$290FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$316Average$487FlexibilityNo cancel feeOn-time62%
DeltaCheapest$381Average$565FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$397Average$570FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$484Average$674FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$486Average$656FlexibilityNo cancel feeOn-time69%

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