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 47% 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.

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

Frontier, JetBlue, and Southwest 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 July 2025, there are 6 flights per week flying from Denver to Puerto Rico. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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 July 2025.

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.

$106 Cheap Flights from Denver to Puerto Rico in 2025

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Find the cheapest flights from Denver to Puerto Rico

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:23 am - 12:32 amDEN-SJU

22h 09m1 stop

7:34 pm - 8:21 amSJU-DEN

14h 47m1 stop

$247Frontier

Find Deal

Sun, Aug 3 - Tue, Aug 12

12:34 am - 8:02 pmDEN-SJU

17h 28m1 stop

6:55 pm - 8:32 amSJU-DEN

15h 37m1 stop

$250Frontier

Find Deal

Sun, Aug 24 - Sat, Aug 30

12:59 am - 2:18 pmDEN-SJU

11h 19m1 stop

5:15 pm - 8:21 amSJU-DEN

17h 06m1 stop

$252Frontier

Find Deal

Sun, Jul 27 - Fri, Aug 1

12:34 am - 10:13 amDEN-SJU

7h 39m1 stop

4:54 pm - 7:17 pmSJU-DEN

28h 23m1 stop

$255Frontier

Find Deal

Fri, Aug 8 - Sat, Aug 16

11:25 am - 12:19 amDEN-PSE

10h 54m1 stop

1:59 am - 10:25 amPSE-DEN

10h 26m1 stop

$508JetBlue

Find Deal

Wed, Jul 30 - Mon, Aug 4

11:59 pm - 7:07 pmDEN-BQN

17h 08m2 stops

5:05 am - 11:04 pmBQN-DEN

19h 59m2 stops

$511JetBlue

Find Deal

Thu, Oct 23 - Sun, Oct 26

6:00 am - 11:57 pmDEN-BQN

14h 57m2 stops

1:09 am - 12:25 pmBQN-DEN

14h 16m2 stops

$635United Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

9:50 am - 11:00 amDEN-VQS

23h 10m1 stop

4:20 pm - 8:34 amVQS-DEN

18h 14m2 stops

$888

Find Deal

Wed, Oct 22 - Sun, Oct 26

9:50 am - 2:24 pmDEN-VQS

26h 34m1 stop

2:45 pm - 6:12 pmVQS-DEN

29h 27m1 stop

$925

Find Deal

Wed, Oct 22 - Sun, Oct 26

11:59 pm - 4:51 pmDEN-CPX

14h 52m2 stops

10:13 am - 9:04 pmCPX-DEN

12h 51m2 stops

$995United Airlines

Find Deal

Sun, Aug 24 - Tue, Sep 2

Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets

Frontier

Jul 22

DEN11:30 pmDenver Intl

22h 29m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Jul 29

SJU1:43 pmSan Juan Luis Munoz Marin Intl

9h 42m

1 stop

DEN9:25 pmDenver Intl

$240

Find similar

Frontier

Aug 3

DEN12:23 amDenver Intl

22h 09m

1 stop

SJU12:32 amSan Juan Luis Munoz Marin Intl

Aug 12

SJU7:34 pmSan Juan Luis Munoz Marin Intl

14h 47m

1 stop

DEN8:21 amDenver Intl

$247

Find similar

Frontier

Aug 24

DEN12:34 amDenver Intl

17h 28m

1 stop

SJU8:02 pmSan Juan Luis Munoz Marin Intl

Aug 30

SJU6:55 pmSan Juan Luis Munoz Marin Intl

15h 37m

1 stop

DEN8:32 amDenver Intl

$250

Find similar

United Airlines flights from Denver to Puerto Rico

Our best United Airlines deals on Denver to Puerto Rico flight tickets

United Airlines

Dec 10

DEN6:00 amDenver Intl

14h 57m

2 stops

BQN11:57 pmAguadilla Borinquen

Dec 14

BQN1:09 amAguadilla Borinquen

14h 16m

2 stops

DEN12:25 pmDenver Intl

$635

Find similar

United Airlines

Aug 24

DEN11:59 pmDenver Intl

14h 52m

2 stops

CPX4:51 pmCulebra

Sep 2

CPX10:13 amCulebra

12h 51m

2 stops

DEN9:04 pmDenver Intl

$995

Find similar

United Airlines

Aug 16

DEN11:59 pmDenver Intl

14h 52m

2 stops

CPX4:51 pmCulebra

Aug 20

CPX10:13 amCulebra

13h 47m

2 stops

DEN10:00 pmDenver Intl

$1,020

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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 October, then you should wait until September to fly from Denver, when ticket prices are also cheap, with an average price of $307.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $659. 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 $756.

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

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Denver to Puerto Rico during this time can be as low as $288. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $685.

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 $448 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 $333 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.

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	$106
Fastest flight time	7h 26m
Direct flights	Every day
Airports in Puerto Rico	4 airports

The best one-way flight to Puerto Rico from Denver in the past 72 hours is $106. The best round-trip flight deal from Denver to Puerto Rico found on momondo in the last 72 hours is $247.

The fastest flight from Denver to Puerto Rico takes 7h 26m

Direct flights go from Denver to Puerto Rico every day.

There are 4 airports near Puerto Rico: Ponce Mercedita (PSE), Culebra (CPX), Aguadilla Borinquen (BQN), San Juan Luis Munoz Marin Intl (SJU)

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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 July 2025.
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 8, representing 68.32% of all bookings. The subsequent popular models are Boeing 737-900 at 24.26%, Boeing 737 MAX 9 at 2.48%, and Boeing 737-800 at 1.98%.

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 $133	Free Cancellation	Rating 5.9 3,260 reviews	Search Frontier flights
JetBlue	PriceFrom $266	Free Cancellation	Rating 7.3 2,908 reviews	Search JetBlue flights
Southwest	PriceFrom $457	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
United Airlines	PriceFrom $474	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
Delta	PriceFrom $474	Free Cancellation	Rating 8.0 7,953 reviews	Search Delta flights
American Airlines	PriceFrom $484	Free Cancellation	Rating 7.2 10,000 reviews	Search American 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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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $110

Flights to Aguadillafrom $120

Flights to Poncefrom $195

Flights to Culebrafrom $385

Flights to Mayagüezfrom $349

Cheap flights from Denver to Puerto Rico from $106

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 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Denver to Puerto Rico

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets

United Airlines flights from Denver to Puerto Rico

Our best United Airlines deals on Denver to Puerto Rico flight tickets

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in October, then you should wait until September to fly from Denver, when ticket prices are also cheap, with an average price of $307.

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

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

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Denver to Puerto Rico during this time can be as low as $288. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $685.

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?

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.

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

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

What airlines fly to Puerto Rico?

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

As of July 2025, there are 6 flights per week flying from Denver to Puerto Rico. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

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

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

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

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

What is the most popular plane model from Denver to 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?

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

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

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

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

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