Cheap flights from Denver to Puerto Rico from $98

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 9/27. 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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0 bags

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Cheap round-trip flights

 Logo
7:48 pm - 2:11 pmDEN-SJU
16h 23m2 stops
 Logo
12:28 am - 8:57 amSJU-DEN
10h 29m1 stop
Fri, Sep 19 - Fri, Sep 26
Frontier Logo
11:15 pm - 11:01 amDEN-SJU
8h 46m1 stop
Frontier Logo
3:59 am - 11:16 pmSJU-DEN
22h 17m1 stop
$268Frontier
Find Deal
Wed, Nov 12 - Mon, Nov 17
 Logo
7:48 pm - 2:11 pmDEN-SJU
16h 23m2 stops
 Logo
10:57 am - 8:30 amSJU-DEN
23h 33m1 stop
Fri, Sep 19 - Thu, Sep 25
Frontier Logo
5:45 pm - 2:11 pmDEN-SJU
18h 26m2 stops
Frontier Logo
12:28 am - 8:57 amSJU-DEN
10h 29m1 stop
$272Frontier
Find Deal
Sat, Sep 13 - Thu, Sep 18
Frontier Logo
12:04 am - 11:59 pmDEN-SJU
21h 55m1 stop
Frontier Logo
4:42 pm - 11:13 pmSJU-DEN
8h 31m1 stop
$274Frontier
Find Deal
Thu, Sep 18 - Sat, Sep 20
 Logo
6:59 pm - 1:43 pmDEN-SJU
16h 44m1 stop
 Logo
10:57 am - 8:30 amSJU-DEN
23h 33m1 stop
Sat, Sep 20 - Thu, Sep 25
JetBlue Logo
11:25 am - 2:31 amDEN-BQN
13h 06m1 stop
JetBlue Logo
5:01 am - 10:40 amBQN-DEN
31h 39m1 stop
$448JetBlue
Find Deal
Sat, Oct 18 - Wed, Oct 22
JetBlue Logo
11:25 am - 2:31 amDEN-BQN
13h 06m1 stop
JetBlue Logo
5:01 am - 10:43 pmBQN-DEN
19h 42m2 stops
$464JetBlue
Find Deal
Sat, Oct 18 - Wed, Oct 22
United Airlines Logo
7:46 am - 11:57 pmDEN-BQN
13h 11m2 stops
United Airlines Logo
1:09 am - 10:28 amBQN-DEN
12h 19m1 stop
$495United Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
United Airlines Logo
11:30 am - 11:09 pmDEN-BQN
9h 39m1 stop
United Airlines Logo
12:15 am - 8:42 amBQN-DEN
10h 27m1 stop
$535United Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 17

Frontier flights from Denver to Puerto Rico

Our best Frontier deals on Denver to Puerto Rico flight tickets
Frontier
Nov 12
DEN11:15 pmDenver Intl
8h 46m
1 stop
SJU11:01 amSan Juan Luis Munoz Marin Intl
Nov 17
SJU3:59 amSan Juan Luis Munoz Marin Intl
22h 17m
1 stop
DEN11:16 pmDenver Intl
Frontier
Sep 13
DEN5:45 pmDenver Intl
18h 26m
2 stops
SJU2:11 pmSan Juan Luis Munoz Marin Intl
Sep 18
SJU12:28 amSan Juan Luis Munoz Marin Intl
10h 29m
1 stop
DEN8:57 amDenver Intl
Frontier
Sep 18
DEN12:04 amDenver Intl
21h 55m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Sep 20
SJU4:42 pmSan Juan Luis Munoz Marin Intl
8h 31m
1 stop
DEN11:13 pmDenver Intl

United Airlines flights from Denver to Puerto Rico

Our best United Airlines deals on Denver to Puerto Rico flight tickets
United Airlines
Nov 17
DEN7:46 amDenver Intl
13h 11m
2 stops
BQN11:57 pmAguadilla Borinquen
Nov 23
BQN1:09 amAguadilla Borinquen
12h 19m
1 stop
DEN10:28 amDenver Intl
United Airlines
Oct 11
DEN11:30 amDenver Intl
9h 39m
1 stop
BQN11:09 pmAguadilla Borinquen
Oct 17
BQN12:15 amAguadilla Borinquen
10h 27m
1 stop
DEN8:42 amDenver Intl
United Airlines
Oct 11
DEN6:00 amDenver Intl
15h 09m
2 stops
BQN11:09 pmAguadilla Borinquen
Oct 17
BQN12:15 amAguadilla Borinquen
14h 25m
2 stops
DEN12:40 pmDenver Intl

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 August 28, 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

Fri 9/19

7:48 pm-2:11 pm

2 stops16h 23m

San Juan Luis Munoz Marin Intl

Fri 9/26

12:28 am-8:57 am

1 stop10h 29m

$267

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 11/12

11:15 pm-11:01 am

1 stop8h 46m

San Juan Luis Munoz Marin Intl

Mon 11/17

3:59 am-11:16 pm

1 stop22h 17m

$268

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 9/19

7:48 pm-2:11 pm

2 stops16h 23m

San Juan Luis Munoz Marin Intl

Thu 9/25

10:57 am-8:30 am

1 stop23h 33m

$269

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 9/13

5:45 pm-2:11 pm

2 stops18h 26m

San Juan Luis Munoz Marin Intl

Thu 9/18

12:28 am-8:57 am

1 stop10h 29m

$272

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 9/18

12:04 am-11:59 pm

1 stop21h 55m

San Juan Luis Munoz Marin Intl

Sat 9/20

4:42 pm-11:13 pm

1 stop8h 31m

$274

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 9/20

6:59 pm-1:43 pm

1 stop16h 44m

San Juan Luis Munoz Marin Intl

Thu 9/25

10:57 am-8:30 am

1 stop23h 33m

$275

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Sat 10/18

11:25 am-2:31 am

1 stop13h 06m

Aguadilla Borinquen

Wed 10/22

5:01 am-10:40 am

1 stop31h 39m

$448

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Sat 10/18

11:25 am-2:31 am

1 stop13h 06m

Aguadilla Borinquen

Wed 10/22

5:01 am-10:43 pm

2 stops19h 42m

$464

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Mon 11/17

7:46 am-11:57 pm

2 stops13h 11m

Aguadilla Borinquen

Sun 11/23

1:09 am-10:28 am

1 stop12h 19m

$495

DenverAguadilla

DEN - BQN

DENBQN

Denver Intl

Sat 10/11

11:30 am-11:09 pm

1 stop9h 39m

Aguadilla Borinquen

Fri 10/17

12:15 am-8:42 am

1 stop10h 27m

$535

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 October, then you should wait until September to fly from Denver, when ticket prices are also cheap, with an average price of $336.

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 $637. 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 $776.

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 $458 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 $328 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 9% 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

$576

Fastest flight time

5h 39m

Direct flights

Every day

Airports in Puerto Rico

1 airport
The best 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 39m
Direct flights go from Denver to Puerto Rico every day.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
  • 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 $135Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
JetBluePriceFrom $276Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
DeltaPriceFrom $381Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SouthwestPriceFrom $444Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
8,944 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

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1 adult
Tue 9/2
Tue 9/9

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