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 June 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.

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 42% 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.

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

As of June 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.

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 June 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.

$175 Cheap Flights from Denver to Puerto Rico in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Denver to Puerto Rico

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 12:41 am

DEN

SJU

22h 42m

1 stop

7:30 am - 8:23 am

SJU

DEN

26h 53m

1 stop

$318Frontier

Tue, Aug 4 - Tue, Aug 11

11:59 pm - 12:41 am

DEN

SJU

22h 42m

1 stop

6:00 am - 6:28 am

SJU

DEN

26h 28m

2 stops

$321Frontier

Tue, Aug 4 - Tue, Aug 11

8:55 am - 12:41 am

DEN

SJU

13h 46m

1 stop

7:10 am - 8:20 am

SJU

DEN

27h 10m

1 stop

$327Frontier

Wed, Aug 5 - Wed, Aug 12

8:55 am - 12:41 am

DEN

SJU

13h 46m

1 stop

5:22 pm - 2:45 pm

SJU

DEN

23h 23m

1 stop

$328Frontier

Wed, Aug 5 - Fri, Aug 14

9:58 am - 1:41 pm

DEN

SJU

25h 43m

2 stops

7:10 am - 8:20 am

SJU

DEN

27h 10m

1 stop

$338Frontier

Tue, Aug 4 - Tue, Aug 11

11:59 pm - 12:41 am

DEN

SJU

22h 42m

1 stop

7:10 am - 8:20 am

SJU

DEN

27h 10m

1 stop

$344Frontier

Thu, Aug 6 - Tue, Aug 11

11:59 pm - 11:59 pm

DEN

PSE

22h 00m

2 stops

10:32 am - 11:00 pm

PSE

DEN

14h 28m

1 stop

$493Multiple Airlines

Mon, Jul 27 - Tue, Aug 11

5:00 am - 5:21 pm

DEN

CPX

10h 21m

2 stops

10:48 am - 11:15 pm

CPX

DEN

14h 27m

2 stops

$1,558United Airlines

Mon, Aug 31 - Fri, Sep 4

9:43 am - 5:21 pm

DEN

CPX

29h 38m

1 stop

10:48 am - 6:15 pm

CPX

DEN

9h 27m

1 stop

$1,704United Airlines

Mon, Jun 22 - Fri, Jun 26

9:43 am - 5:21 pm

DEN

CPX

29h 38m

1 stop

10:48 am - 11:57 pm

CPX

DEN

15h 09m

2 stops

$1,708United Airlines

Mon, Jun 22 - Fri, Jun 26

Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets

Frontier

Aug 4

DEN11:59 pmDenver Intl

22h 42m

1 stop

SJU12:41 amSan Juan Luis Munoz Marin Intl

Aug 11

SJU7:30 amSan Juan Luis Munoz Marin Intl

26h 53m

1 stop

DEN8:23 amDenver Intl

$318

Frontier

Aug 4

DEN11:59 pmDenver Intl

22h 42m

1 stop

SJU12:41 amSan Juan Luis Munoz Marin Intl

Aug 11

SJU6:00 amSan Juan Luis Munoz Marin Intl

26h 28m

2 stops

DEN6:28 amDenver Intl

$321

Frontier

Aug 5

DEN8:55 amDenver Intl

13h 46m

1 stop

SJU12:41 amSan Juan Luis Munoz Marin Intl

Aug 12

SJU7:10 amSan Juan Luis Munoz Marin Intl

27h 10m

1 stop

DEN8:20 amDenver Intl

$327

Southwest flights from Denver to Puerto Rico

Our best Southwest deals on Denver to Puerto Rico flight tickets

Southwest

Aug 27

DEN12:10 pmDenver Intl

9h 40m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Sep 5

SJU5:55 amSan Juan Luis Munoz Marin Intl

11h 15m

2 stops

DEN3:10 pmDenver Intl

$408

Southwest

Jun 21

DEN11:15 amDenver Intl

10h 40m

1 stop

SJU11:55 pmSan Juan Luis Munoz Marin Intl

Jun 30

SJU8:35 pmSan Juan Luis Munoz Marin Intl

13h 45m

1 stop

DEN8:20 amDenver Intl

$616

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 8/4

11:59 pm-12:41 am

1 stop22h 42m

San Juan Luis Munoz Marin Intl

Tue 8/11

7:30 am-8:23 am

1 stop26h 53m

$318

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 8/4

11:59 pm-12:41 am

1 stop22h 42m

San Juan Luis Munoz Marin Intl

Tue 8/11

6:00 am-6:28 am

2 stops26h 28m

$321

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 8/5

8:55 am-12:41 am

1 stop13h 46m

San Juan Luis Munoz Marin Intl

Wed 8/12

7:10 am-8:20 am

1 stop27h 10m

$327

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 8/5

8:55 am-12:41 am

1 stop13h 46m

San Juan Luis Munoz Marin Intl

Fri 8/14

5:22 pm-2:45 pm

1 stop23h 23m

$328

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 8/4

9:58 am-1:41 pm

2 stops25h 43m

San Juan Luis Munoz Marin Intl

Tue 8/11

7:10 am-8:20 am

1 stop27h 10m

$338

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 8/6

11:59 pm-12:41 am

1 stop22h 42m

San Juan Luis Munoz Marin Intl

Tue 8/11

7:10 am-8:20 am

1 stop27h 10m

$344

DenverPonce

DEN - PSE

DENPSE

Denver Intl

Mon 7/27

11:59 pm-11:59 pm

2 stops22h 00m

Ponce Mercedita

Tue 8/11

10:32 am-11:00 pm

1 stop14h 28m

$493

Quickest round-trip

DenverCulebra

DEN - CPX

DENCPX

Denver Intl

Mon 8/31

5:00 am-5:21 pm

2 stops10h 21m

Culebra

Fri 9/4

10:48 am-11:15 pm

2 stops14h 27m

$1,558

DenverCulebra

DEN - CPX

DENCPX

Denver Intl

Mon 6/22

9:43 am-5:21 pm

1 stop29h 38m

Culebra

Fri 6/26

10:48 am-6:15 pm

1 stop9h 27m

$1,704

DenverCulebra

DEN - CPX

DENCPX

Denver Intl

Mon 6/22

9:43 am-5:21 pm

1 stop29h 38m

Culebra

Fri 6/26

10:48 am-11:57 pm

2 stops15h 09m

$1,708

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 December, then you should wait until July to fly from Denver, when ticket prices are also cheap, with an average price of $145.

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 $609. 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 $778.

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 from Denver 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 $517 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 $419 on momondo.

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

There are 4 cabin classes available to choose from on Denver 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 45% 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	$394
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 $394. The best round-trip flight deal from Denver to Puerto Rico found on momondo in the last 72 hours is $692.

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

Frequently asked questions about flying from Denver to Puerto Rico

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 June 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 8, representing 75.58% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 8.72%, Boeing 737 at 5.23%, and Airbus A320-100/200 at 4.07%.

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 $183	Free Cancellation	Rating 5.6 2,904 reviews	Search Frontier flights
JetBlue	PriceFrom $272	Free Cancellation	Rating 7.1 2,978 reviews	Search JetBlue flights
Delta	PriceFrom $353	Free Cancellation	Rating 7.9 8,395 reviews	Search Delta flights
Southwest	PriceFrom $388	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,644 reviews	Search American Airlines flights
United Airlines	PriceFrom $487	Free Cancellation	Rating 7.4 9,785 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 7/8

Wed 7/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities

Other flights from Denver

Other flights to Puerto Rico

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $163

Flights to Aguadillafrom $212

Flights to Poncefrom $197

Flights to Culebrafrom $510

Flights to Mayagüezfrom $464

Cheap flights from Denver to Puerto Rico from $175

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 6/30. 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

Southwest flights from Denver to Puerto Rico

Our best Southwest deals on Denver to Puerto Rico flight tickets

momondo Fare Finder

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 from Denver to Puerto Rico?

What cabin class options are available on Denver 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

Frequently asked questions about flying 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?

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