What is the cheapest airline that flies from Denver Intl to Puerto Rico?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to Puerto Rico

How many flights depart from Denver to Puerto Rico on average per week?

As of February 2026, there are 7 flights per week flying from Denver to Puerto Rico. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How many flights depart from Denver to Puerto Rico on average per day?

As of February 2026, there are 1 flights per day flying from Denver to Puerto Rico. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

What airlines fly to Puerto Rico?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Puerto Rico from Denver according to our data. Frontier is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 6 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Denver Intl Airport to Puerto Rico?

Prices for flights from Denver Intl Airport to Puerto Rico are refreshed on a daily basis.

How many operators does momondo search for flights from Denver Intl Airport to Puerto Rico?

There are 6 operators available for flights from Denver Intl Airport to Puerto Rico as of February 2026.

How old do you have to be to fly from Denver Intl Airport to Puerto Rico?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$101 Cheap Flights from Denver to Puerto Rico in 2026

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Find the cheapest flights from Denver to Puerto Rico

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 1:53 am

DEN

BQN

23h 54m

1 stop

2:38 am - 10:59 pm

BQN

DEN

22h 21m

1 stop

$223Frontier

Fri, Apr 10 - Tue, Apr 14

11:59 pm - 10:26 am

DEN

PSE

8h 27m

1 stop

11:16 am - 10:59 pm

PSE

DEN

13h 43m

1 stop

$223Frontier

Sat, Apr 18 - Fri, Apr 24

11:56 pm - 3:30 pm

DEN

SJU

13h 34m

1 stop

2:09 pm - 10:59 pm

SJU

DEN

10h 50m

1 stop

$227Frontier

Mon, Apr 13 - Sat, Apr 18

5:53 pm - 10:48 pm

DEN

SJU

26h 55m

1 stop

3:08 am - 8:21 am

SJU

DEN

31h 13m

1 stop

$231Frontier

Mon, Apr 13 - Tue, Apr 21

5:53 pm - 9:54 am

DEN

SJU

14h 01m

1 stop

3:08 am - 8:21 am

SJU

DEN

31h 13m

1 stop

$232Frontier

Mon, Apr 13 - Tue, Apr 21

11:59 pm - 12:33 pm

DEN

SJU

34h 34m

2 stops

3:42 pm - 8:07 pm

SJU

DEN

30h 25m

1 stop

$233Frontier

Sat, Apr 25 - Mon, May 4

11:59 pm - 10:26 am

DEN

PSE

8h 27m

1 stop

8:40 am - 11:02 pm

PSE

DEN

16h 22m

2 stops

$329Multiple Airlines

Sat, Apr 18 - Tue, Apr 21

11:59 pm - 4:13 pm

DEN

CPX

14h 14m

2 stops

10:30 am - 9:39 pm

CPX

DEN

13h 09m

2 stops

$2,130United Airlines

Sat, Mar 14 - Fri, Mar 20

5:00 am - 6:30 pm

DEN

VQS

11h 30m

2 stops

9:05 am - 11:28 pm

VQS

DEN

16h 23m

2 stops

$2,364United Airlines

Sat, Aug 15 - Mon, Aug 24

11:59 pm - 4:13 pm

DEN

CPX

14h 14m

2 stops

10:30 am - 6:12 pm

CPX

DEN

9h 42m

1 stop

$2,364United Airlines

Sat, Mar 14 - Thu, Mar 19

Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets

Frontier

Apr 10

DEN11:59 pmDenver Intl

23h 54m

1 stop

BQN1:53 amAguadilla Borinquen

Apr 14

BQN2:38 amAguadilla Borinquen

22h 21m

1 stop

DEN10:59 pmDenver Intl

$223

Frontier

Apr 13

DEN11:56 pmDenver Intl

13h 34m

1 stop

SJU3:30 pmSan Juan Luis Munoz Marin Intl

Apr 18

SJU2:09 pmSan Juan Luis Munoz Marin Intl

10h 50m

1 stop

DEN10:59 pmDenver Intl

$227

Frontier

Apr 13

DEN5:53 pmDenver Intl

26h 55m

1 stop

SJU10:48 pmSan Juan Luis Munoz Marin Intl

Apr 21

SJU3:08 amSan Juan Luis Munoz Marin Intl

31h 13m

1 stop

DEN8:21 amDenver Intl

$231

JetBlue flights from Denver to Puerto Rico

Our best JetBlue deals on Denver to Puerto Rico flight tickets

JetBlue

Apr 18

DEN11:59 pmDenver Intl

23h 37m

1 stop

BQN1:36 amAguadilla Borinquen

Apr 25

BQN5:01 amAguadilla Borinquen

20h 03m

1 stop

DEN11:04 pmDenver Intl

$480

JetBlue

May 4

DEN11:59 pmDenver Intl

11h 24m

2 stops

BQN1:23 pmAguadilla Borinquen

May 12

BQN5:01 amAguadilla Borinquen

19h 12m

2 stops

DEN10:13 pmDenver Intl

$543

JetBlue

Apr 8

DEN11:59 pmDenver Intl

17h 05m

2 stops

PSE7:04 pmPonce Mercedita

Apr 14

PSE8:40 amPonce Mercedita

16h 24m

2 stops

DEN11:04 pmDenver Intl

$554

Fly from

Fly to

Route

Depart

Return

Price

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Fri 4/10

11:59 pm-1:53 am

1 stop23h 54m

Aguadilla Borinquen

Tue 4/14

2:38 am-10:59 pm

1 stop22h 21m

$223

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Sat 4/18

11:59 pm-10:26 am

1 stop8h 27m

Ponce Mercedita

Fri 4/24

11:16 am-10:59 pm

1 stop13h 43m

$223

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 4/13

11:56 pm-3:30 pm

1 stop13h 34m

San Juan Luis Munoz Marin Intl

Sat 4/18

2:09 pm-10:59 pm

1 stop10h 50m

$227

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 4/13

5:53 pm-10:48 pm

1 stop26h 55m

San Juan Luis Munoz Marin Intl

Tue 4/21

3:08 am-8:21 am

1 stop31h 13m

$231

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 4/13

5:53 pm-9:54 am

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Tue 4/21

3:08 am-8:21 am

1 stop31h 13m

$232

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 4/25

11:59 pm-12:33 pm

2 stops34h 34m

San Juan Luis Munoz Marin Intl

Mon 5/4

3:42 pm-8:07 pm

1 stop30h 25m

$233

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Sat 4/18

11:59 pm-10:26 am

1 stop8h 27m

Ponce Mercedita

Tue 4/21

8:40 am-11:02 pm

2 stops16h 22m

$329

DenverCulebra

DEN - CPX

DENCPX

Denver Intl

Sat 3/14

11:59 pm-4:13 pm

2 stops14h 14m

Culebra

Fri 3/20

10:30 am-9:39 pm

2 stops13h 09m

$2,130

DenverVieques

DEN - VQS

DENVQS

Denver Intl

Sat 8/15

5:00 am-6:30 pm

2 stops11h 30m

Vieques

Mon 8/24

9:05 am-11:28 pm

2 stops16h 23m

$2,364

DenverCulebra

DEN - CPX

DENCPX

Denver Intl

Sat 3/14

11:59 pm-4:13 pm

2 stops14h 14m

Culebra

Thu 3/19

10:30 am-6:12 pm

1 stop9h 42m

$2,364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in August, then you should wait until May to fly from Denver, when ticket prices are also cheap, with an average price of $375.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Denver is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $600. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $767.

What is the cheapest Denver Intl to Puerto Rico flight route?

Fly from Denver Intl to San Juan Luis Munoz Marin Intl for the best Denver Intl - Puerto Rico flight prices

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $483 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Denver for as low as $338 on momondo.

What cabin class options are available on Denver Intl to Puerto Rico flights?

There are 4 cabin classes available to choose from on Denver Intl to Puerto Rico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Puerto Rico flights?

You could potentially save up to 67% on your flight if you consider stops on a Denver to Puerto Rico flight.

Cheap Denver to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Puerto Rico

Best Price Found	$358
Fastest flight time	5h 40m
Direct flights	Every day
Airports in Puerto Rico	20 airports

The best one-way flight to Puerto Rico from Denver in the past 72 hours is $358. The best round-trip flight deal from Denver to Puerto Rico found on momondo in the last 72 hours is $529.

The fastest flight from Denver to Puerto Rico takes 5h 40m

Direct flights go from Denver to Puerto Rico every day.

There are 20 airports in Puerto Rico. From Denver there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

When did momondo last update prices for flights from Denver Intl Airport to Puerto Rico?
Prices for flights from Denver Intl Airport to Puerto Rico are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Puerto Rico?
There are 6 operators available for flights from Denver Intl Airport to Puerto Rico as of February 2026.
How old do you have to be to fly from Denver Intl Airport to Puerto Rico?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Denver to Puerto Rico?
momondo data reveals that the most frequently booked plane model on the route from Denver to Puerto Rico is Boeing 737 MAX 9, representing 73.43% of all bookings. The subsequent popular models are Boeing 737-800 at 15.94%, Boeing 737 MAX 8 at 8.70%, and Airbus A220-300 at 0.97%.

Best airlines flying from Denver to Puerto Rico

Compare and see reviews for airlines that fly from Denver to Puerto Rico with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $170	Free Cancellation	Rating 5.7 3,040 reviews	Search Frontier flights
JetBlue	PriceFrom $272	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Delta	PriceFrom $328	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
Southwest	PriceFrom $412	Free Cancellation	Rating 8.0 4,299 reviews	Search Southwest flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.2 11,353 reviews	Search American Airlines flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 9,347 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Puerto Rico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico from Denver.

Can I find flights from Denver to Puerto Rico with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Puerto Rico flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Puerto Rico?

momondo helps you find the best flight between Denver and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Denver to Puerto Rico right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Puerto Rico, momondo offers a useful price alert feature which will track prices for flights to Puerto Rico from Denver and alert you when they change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Puerto Rico

Flights to San Juanfrom $61

Flights to Aguadillafrom $167

Flights to Mayagüezfrom $319

Cheap flights from Denver to Puerto Rico from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Puerto Rico departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets

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Use the filters below to find and compare flights from Denver to Puerto Rico that are best for you.

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Denver to Puerto Rico

What is the cheapest month to fly to Puerto Rico?

What is the cheapest day to depart on your flight to Puerto Rico?

What is the cheapest Denver Intl to Puerto Rico flight route?

How far in advance should I book a flight to Puerto Rico?

What cabin class options are available on Denver Intl to Puerto Rico flights?

Can stopping save me money on Denver to Puerto Rico flights?

What is the cheapest airline that flies from Denver Intl to Puerto Rico?

What airlines fly to Puerto Rico?

How many flights depart from Denver to Puerto Rico on average per day?

How many flights depart from Denver to Puerto Rico on average per week?

Cheap Denver to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Puerto Rico

Best Price Found

Fastest flight time

Direct flights

Airports in Puerto Rico

Best airlines flying from Denver to Puerto Rico

Compare and see reviews for airlines that fly from Denver to Puerto Rico with momondo

Why use momondo?

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

Denver flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year