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$119+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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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 November 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 11/191:26 pmSJU - DEN
1 stop21h 59mFrontier
Sat 11/296:00 amDEN - SJU
2 stops16h 06mFrontier
Deal found 11/4$261
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/61:59 amSJU - DEN
1 stop24h 00mMultiple Airlines
Mon 12/151:02 pmDEN - SJU
2 stops31h 23mMultiple Airlines
Deal found 11/3$264
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/28:00 amSJU - DEN
2 stops32h 17mMultiple Airlines
Sun 12/711:59 pmDEN - SJU
1 stop21h 50mMultiple Airlines
Deal found 11/4$266
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:00 pmSJU - DEN
1 stop11h 40mMultiple Airlines
Mon 12/158:45 pmDEN - SJU
1 stop12h 37mMultiple Airlines
Deal found 11/3$268
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/71:59 amSJU - DEN
1 stop24h 00mMultiple Airlines
Tue 12/168:00 amDEN - SJU
2 stops13h 16mMultiple Airlines
Deal found 11/2$269
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/23:55 amSJU - DEN
1 stop22h 09mFrontier
Mon 12/811:59 pmDEN - SJU
1 stop21h 50mFrontier
Deal found 11/2$270
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 11/209:54 pmSJU - DEN
1 stop13h 31mFrontier
Fri 11/2812:22 pmDEN - SJU
1 stop7h 47mFrontier
Deal found 11/2$271
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/71:59 amSJU - DEN
1 stop24h 00mMultiple Airlines
Wed 12/1012:59 amDEN - SJU
2 stops15h 51mMultiple Airlines
Deal found 11/3$273
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/71:59 amSJU - DEN
1 stop24h 00mMultiple Airlines
Sat 12/137:00 amDEN - SJU
1 stop13h 25mMultiple Airlines
Deal found 11/2$274
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/297:06 pmSJU - DEN
1 stop32h 01mFrontier
Thu 1/84:33 pmDEN - SJU
1 stop11h 01mFrontier
Deal found 11/2$276
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/297:06 pmSJU - DEN
1 stop32h 01mFrontier
Sat 1/106:38 pmDEN - SJU
1 stop8h 56mFrontier
Deal found 11/1$278

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 November 4, 2025.

Round-trip from

$260
(Kiwi.com)

One-way from

$119
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$468

Good round-trip deal

$495 or less

Good one-way deal

$280 or less
From Puerto Rico to Denver Intl
Search Deals
One-way flight from Puerto Rico to Denver Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Puerto Rico to Denver Intl.
Search Deals
Price to beat on a one-way flight from Puerto Rico to Denver Intl.
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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 November 4, 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

2:32 am-11:03 am

1 stop11h 31m

Denver Intl

Thu 3/5

11:55 am-2:52 am

1 stop11h 57m

$421

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 1/29

3:55 pm-12:28 am

1 stop11h 33m

Denver Intl

Mon 2/2

12:30 am-1:05 pm

1 stop9h 35m

$455

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 12/3

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

Sun 12/7

9:45 am-6:25 pm

Nonstop5h 40m

$486

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 1/30

5:50 pm-12:32 am

1 stop9h 42m

Denver Intl

Tue 2/3

9:45 am-6:25 pm

Nonstop5h 40m

$491

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 12/3

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

Wed 12/10

9:45 am-10:22 pm

1 stop9h 37m

$491

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 3/31

5:15 am-2:25 pm

2 stops11h 10m

Denver Intl

Fri 4/3

11:55 pm-9:50 am

1 stop7h 55m

$495

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 1/22

3:55 pm-12:28 am

1 stop11h 33m

Denver Intl

Mon 1/26

12:30 am-1:05 pm

1 stop9h 35m

$495

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 12/4

5:45 am-1:55 pm

2 stops11h 10m

Denver Intl

Fri 12/12

12:05 pm-1:25 am

2 stops10h 20m

$497

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 1/28

2:05 am-3:52 pm

2 stops16h 47m

Denver Intl

Tue 2/3

7:50 am-12:36 am

2 stops13h 46m

$502

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 12/26

5:35 am-12:35 pm

2 stops10h 00m

Denver Intl

Tue 12/30

12:30 pm-1:40 am

2 stops10h 10m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 23 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, March is the cheapest month in which you can book a flight from Puerto Rico to Denver (average of $129). Flying from Puerto Rico to Denver in May is currently the most expensive (average of $301). 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 November 4, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 57% on flights from Puerto Rico to Denver by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Puerto Rico to Denver?

Use this chart to determine the cheapest time to fly round-trip from Puerto Rico to Denver. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Puerto Rico to Denver flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 4, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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
4,239 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

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
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

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
7.9
Good
8,003 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

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
9,002 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

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
11,040 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

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
3,117 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

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 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 6h 47m. Fly via JetBlue, Delta, or United Airlines 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 airlines to fly from Puerto Rico to Denver one-way?

    $149 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Southwest, with prices starting from $170 and $248, respectively.

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

    Looking at all options, your cheapest flight can be booked for $132. While the most popular route (San Juan Luis Munoz Marin Intl - Denver Intl) can be booked for $220 on average, our data indicates $741 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, March is the cheapest month in which you can book a flight from Puerto Rico to Denver (average of $129). Flying from Puerto Rico to Denver in May is currently the most expensive (average of $301). 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
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
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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.
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Luis Munoz Marin Intl to Colorado Springs flights
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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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$298FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$317Average$475FlexibilityNo cancel feeOn-time62%
DeltaCheapest$375Average$555FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$443Average$571FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$486Average$603FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$494Average$619FlexibilityNo cancel feeOn-time71%

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