Luis Munoz Marin Intl

$111+ Cheap flights from Denver (DEN) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Feb 20 — Feb 271
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Find cheap flights from Denver to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Denver Intl to San Juan Luis Munoz Marin Intl are usually found in August or May, booked 23 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flight deals from Denver to Luis Munoz Marin Intl

Cheapest flights from Denver to Luis Munoz Marin Intl
Explore the most affordable flight options available from Denver to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This CheapOair deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:25 pm
DEN
-
SJU
1 stop24h 10m
Frontier
Mon 2/236:00 am
SJU
-
DEN
1 stop29h 21m
Frontier
Deal found 1/21$203
This CheapOair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:20 am
DEN
-
SJU
1 stop26h 09m
Frontier
Tue 4/73:09 pm
SJU
-
DEN
1 stop9h 59m
Frontier
Deal found 1/20$211
This Frontier deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:44 am
DEN
-
SJU
1 stop10h 57m
Frontier
Fri 2/2711:55 am
SJU
-
DEN
1 stop12h 47m
Frontier
Deal found 1/21$212
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:59 pm
DEN
-
SJU
1 stop8h 20m
Frontier
Mon 4/136:07 pm
SJU
-
DEN
1 stop18h 23m
Frontier
Deal found 1/21$214
This Priceline deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:25 pm
DEN
-
SJU
1 stop24h 04m
Frontier
Fri 2/2011:55 am
SJU
-
DEN
1 stop12h 47m
Frontier
Deal found 1/20$217
This CheapOair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:59 pm
DEN
-
SJU
1 stop23h 59m
Frontier
Tue 3/106:39 pm
SJU
-
DEN
1 stop15h 47m
Frontier
Deal found 1/20$220
This CheapOair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:24 pm
DEN
-
SJU
1 stop28h 34m
Frontier
Sun 3/83:08 am
SJU
-
DEN
1 stop22h 01m
Frontier
Deal found 1/20$221
This Frontier deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:59 am
DEN
-
SJU
1 stop11h 07m
Frontier
Wed 3/1110:04 am
SJU
-
DEN
1 stop15h 05m
Frontier
Deal found 1/20$223
This Frontier deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:59 am
DEN
-
SJU
1 stop11h 03m
Frontier
Wed 2/2511:07 am
SJU
-
DEN
1 stop14h 52m
Frontier
Deal found 1/21$224

Find flight deals from Denver to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$203
(Expedia)

One-way from

$111
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$377

Good round-trip deal

$554 or less

Good one-way deal

$324 or less
Provider with most accurate pricing for Denver Intl-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Denver Intl-San Juan Luis Munoz Marin Intl flights.
From Denver Intl to San Juan Luis Munoz Marin Intl
One-way flight from Denver Intl to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Denver Intl to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from Denver Intl to San Juan Luis Munoz Marin Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Denver to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Denver

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 5/13

11:50 pm-9:10 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 5/19

5:35 am-1:35 pm

2 stops10h 00m

$364

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 4/15

10:50 am-10:40 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Tue 4/21

3:45 pm-10:05 pm

1 stop8h 20m

$424

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 4/30

11:05 am-12:07 am

1 stop11h 02m

San Juan Luis Munoz Marin Intl

Sun 5/3

11:59 pm-10:15 am

1 stop12h 16m

$445

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 3/22

6:00 am-12:59 am

1 stop16h 59m

San Juan Luis Munoz Marin Intl

Sat 3/28

6:49 pm-7:02 am

1 stop14h 13m

$450

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 3/4

12:55 pm-12:35 am

2 stops8h 40m

San Juan Luis Munoz Marin Intl

Wed 3/11

5:15 am-3:20 pm

2 stops12h 05m

$488

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 2/19

9:45 am-6:25 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Thu 2/26

2:25 pm-6:12 pm

Nonstop6h 47m

$507

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 3/18

2:50 pm-1:25 am

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Sat 3/21

4:10 am-10:32 am

1 stop8h 22m

$510

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 2/23

9:45 am-6:25 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Mon 3/2

4:52 pm-11:06 pm

1 stop9h 14m

$512

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 2/18

9:45 am-6:25 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Wed 2/25

7:40 am-2:32 pm

1 stop9h 52m

$512

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 6/8

9:43 am-5:30 pm

Nonstop5h 47m

San Juan Luis Munoz Marin Intl

Tue 6/16

7:45 am-3:56 pm

1 stop10h 11m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
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Compare providers for flights from Denver to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Luis Munoz Marin Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Denver-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Denver-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Denver to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Luis Munoz Marin Intl. Price data was last updated on January 16, 2026.

To ensure you get the cheapest price possible for a flight from Denver to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to San Juan Luis Munoz Marin Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Denver to San Juan Luis Munoz Marin Intl Airport (average of $130). Flying from Denver to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $293). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to SJU?

Find hourly flight availability from Denver to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.

When flying from Denver to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Denver to San Juan Luis Munoz Marin Intl Airport?

The best insider tips for Denver to San Juan Luis Munoz Marin Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated January 21, 2026.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Denver to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Denver to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Denver to San Juan Luis Munoz Marin Intl?

    If you book a flight to San Juan Luis Munoz Marin Intl from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There is 1 flight from Denver Intl to San Juan Luis Munoz Marin Intl per day from 6 different airlines.

  • How long is the flight from Denver to San Juan Luis Munoz Marin Intl Airport?

    Southwest and JetBlue can get you from Denver to San Juan Luis Munoz Marin Intl Airport in just under 7h 20m. Your travel time can differ by up to 3h 42m. The distance from Denver to San Juan Luis Munoz Marin Intl Airport is about 2730 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Denver to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from Denver to San Juan Luis Munoz Marin Intl Airport round-trip from $154. Other airlines that can offer you cheap pricing are JetBlue, from $299, and Delta, from $328. Frontier is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Denver to San Juan Luis Munoz Marin Intl Airport one-way?

    $90 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $136 and $174, respectively.

  • What are the cheapest flights from Denver to San Juan Luis Munoz Marin Intl Airport?

    The cheapest flight price from Denver to San Juan Luis Munoz Marin Intl Airport is $304. On average you can expect to pay $936. The most popular route, (Denver Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $205.

  • Where are the most common layover locations when flying from Denver to San Juan Luis Munoz Marin Intl Airport?

  • What are some popular things to do or see while on a layover in Orlando?

    Most Orlando visitors opt to spend their time experiencing Universal Orlando Resort, Walt Disney World Resort, and International Drive. Travelers on a layover in Orlando can visit Universal Orlando Resort, Walt Disney World Resort, and International Drive, by traveling 10.2 mi, 16.2 mi, and 9.9 mi, respectively after landing at Orlando. Those landing in Orlando looking to spend some time exploring during their layover can rent a car for about $32 per day.

  • What are some popular points of interest to see during a layover in Miami?

    The majority of Miami visitors spend their time at Kaseya Center, Bayfront Park, and Bayside Marketplace. Kaseya Center, Bayfront Park, and Bayside Marketplace are located about 6.2 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those landing in Miami looking to spend some time exploring during their layover can rent a car for about $33 per day.

  • Where are the least popular layover locations for Denver to San Juan Luis Munoz Marin Intl Airport flights?

  • Can I find deals for flights from Denver to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Denver to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Denver to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Denver to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to San Juan Luis Munoz Marin Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Denver to San Juan Luis Munoz Marin Intl Airport (average of $130). Flying from Denver to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $293). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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Top 6 airlines flying from Denver to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Denver to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$154Average$307FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$299Average$429FlexibilityNo cancel feeOn-time62%
DeltaCheapest$328Average$653FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$439Average$589FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$485Average$593FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$486Average$674FlexibilityNo cancel feeOn-time69%

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