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Cheap flights from Denver to Puerto Rico from $133

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 10/23. 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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Find the cheapest flights from Denver to Puerto Rico

Cheap round-trip flights

Frontier Logo
11:45 pm - 10:57 amDEN-SJU
9h 12m1 stop
Frontier Logo
9:06 pm - 8:33 amSJU-DEN
13h 27m1 stop
$268Frontier
Find Deal
Thu, Oct 23 - Sun, Oct 26
Frontier Logo
12:36 am - 2:04 amDEN-BQN
23h 28m1 stop
Frontier Logo
2:59 am - 11:16 pmBQN-DEN
22h 17m1 stop
$268Frontier
Find Deal
Tue, Oct 21 - Sun, Oct 26
Frontier Logo
12:16 am - 11:19 amDEN-SJU
8h 03m1 stop
Frontier Logo
9:00 am - 6:26 pmSJU-DEN
12h 26m1 stop
$269Frontier
Find Deal
Sat, Nov 8 - Wed, Nov 19
Frontier Logo
11:19 am - 2:34 amDEN-SJU
13h 15m1 stop
Frontier Logo
12:28 am - 8:57 amSJU-DEN
10h 29m1 stop
$270Frontier
Find Deal
Tue, Sep 23 - Fri, Oct 3
Multiple Airlines Logo
8:13 pm - 3:46 pmDEN-SJU
16h 33m1 stop
Multiple Airlines Logo
11:02 am - 4:48 pmSJU-DEN
8h 46m1 stop
$275Multiple Airlines
Find Deal
Tue, Nov 18 - Thu, Dec 11
Multiple Airlines Logo
12:34 am - 7:56 pmDEN-SJU
17h 22m1 stop
Multiple Airlines Logo
3:19 pm - 9:29 pmSJU-DEN
32h 10m2 stops
$304Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
JetBlue Logo
11:14 pm - 9:04 pmDEN-BQN
18h 50m1 stop
JetBlue Logo
6:10 am - 10:19 pmBQN-DEN
19h 09m1 stop
$445JetBlue
Find Deal
Fri, Jan 23 - Fri, Jan 30
JetBlue Logo
11:59 pm - 9:42 pmDEN-BQN
19h 43m2 stops
JetBlue Logo
8:59 pm - 8:45 amBQN-DEN
13h 46m1 stop
$472JetBlue
Find Deal
Thu, Mar 12 - Fri, Mar 20
United Airlines Logo
7:45 am - 11:57 pmDEN-BQN
13h 12m2 stops
United Airlines Logo
1:09 am - 12:33 pmBQN-DEN
14h 24m2 stops
$495United Airlines
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Tue, Feb 17 - Mon, Mar 2
United Airlines Logo
8:50 pm - 11:57 pmDEN-BQN
24h 07m2 stops
United Airlines Logo
1:09 am - 4:34 pmBQN-DEN
18h 25m2 stops
$501United Airlines
Find Deal
Mon, Feb 9 - Fri, Feb 13

Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets
Frontier
Oct 23
DEN11:45 pmDenver Intl
9h 12m
1 stop
SJU10:57 amSan Juan Luis Munoz Marin Intl
Oct 26
SJU9:06 pmSan Juan Luis Munoz Marin Intl
13h 27m
1 stop
DEN8:33 amDenver Intl
$268
Find similar
Frontier
Sep 20
DEN11:59 pmDenver Intl
13h 23m
1 stop
SJU3:22 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU10:57 amSan Juan Luis Munoz Marin Intl
23h 33m
1 stop
DEN8:30 amDenver Intl
$269
Find similar
Frontier
Sep 23
DEN11:19 amDenver Intl
13h 15m
1 stop
SJU2:34 amSan Juan Luis Munoz Marin Intl
Oct 3
SJU12:28 amSan Juan Luis Munoz Marin Intl
10h 29m
1 stop
DEN8:57 amDenver Intl
$270
Find similar

United Airlines flights from Denver to Puerto Rico

Our best United Airlines deals on Denver to Puerto Rico flight tickets
United Airlines
Feb 17
DEN7:45 amDenver Intl
13h 12m
2 stops
BQN11:57 pmAguadilla Borinquen
Mar 2
BQN1:09 amAguadilla Borinquen
14h 24m
2 stops
DEN12:33 pmDenver Intl
$495
Find similar
United Airlines
Feb 9
DEN8:50 pmDenver Intl
24h 07m
2 stops
BQN11:57 pmAguadilla Borinquen
Feb 13
BQN1:09 amAguadilla Borinquen
18h 25m
2 stops
DEN4:34 pmDenver Intl
$501
Find similar
United Airlines
Jan 23
DEN7:45 amDenver Intl
13h 12m
2 stops
BQN11:57 pmAguadilla Borinquen
Jan 29
BQN1:09 amAguadilla Borinquen
10h 24m
1 stop
DEN8:33 amDenver Intl
$515
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Puerto Rico 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Denver to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 10/23

11:45 pm-10:57 am

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Sun 10/26

9:06 pm-8:33 am

1 stop13h 27m

$268

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 10/21

12:36 am-2:04 am

1 stop23h 28m

Aguadilla Borinquen

Sun 10/26

2:59 am-11:16 pm

1 stop22h 17m

$268

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 11/8

12:16 am-11:19 am

1 stop8h 03m

San Juan Luis Munoz Marin Intl

Wed 11/19

9:00 am-6:26 pm

1 stop12h 26m

$269

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 9/23

11:19 am-2:34 am

1 stop13h 15m

San Juan Luis Munoz Marin Intl

Fri 10/3

12:28 am-8:57 am

1 stop10h 29m

$270

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 11/18

8:13 pm-3:46 pm

1 stop16h 33m

San Juan Luis Munoz Marin Intl

Thu 12/11

11:02 am-4:48 pm

1 stop8h 46m

$275

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 10/15

12:34 am-7:56 pm

1 stop17h 22m

San Juan Luis Munoz Marin Intl

Wed 10/22

3:19 pm-9:29 pm

2 stops32h 10m

$304

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Fri 1/23

11:14 pm-9:04 pm

1 stop18h 50m

Aguadilla Borinquen

Fri 1/30

6:10 am-10:19 pm

1 stop19h 09m

$445

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Thu 3/12

11:59 pm-9:42 pm

2 stops19h 43m

Aguadilla Borinquen

Fri 3/20

8:59 pm-8:45 am

1 stop13h 46m

$472

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Tue 2/17

7:45 am-11:57 pm

2 stops13h 12m

Aguadilla Borinquen

Mon 3/2

1:09 am-12:33 pm

2 stops14h 24m

$495

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Mon 2/9

8:50 pm-11:57 pm

2 stops24h 07m

Aguadilla Borinquen

Fri 2/13

1:09 am-4:34 pm

2 stops18h 25m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August, then you should wait until October to fly from Denver, when ticket prices are also cheap, with an average price of $348.

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 $631. 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 $802.

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 $688.

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 $470 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 $350 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 16% 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

$323

Fastest flight time

5h 40m

Direct flights

Every day

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from Denver in the past 72 hours is $323. The best round-trip flight deal from Denver to Puerto Rico found on momondo in the last 72 hours is $576.
The fastest flight from Denver to Puerto Rico takes 5h 40m
Direct flights go from Denver to Puerto Rico every day.
There is 1 airport near Puerto Rico: 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?

  • 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?

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
FrontierPriceFrom $143Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
JetBluePriceFrom $327Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $381Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SouthwestPriceFrom $445Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $494Free CancellationRating
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.
Start using Trips
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Thu 10/16
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Find better results for your trip to Puerto Rico

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