Luis Munoz Marin Intl

$120+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Apr 9 — Apr 161
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Find cheap flights from Denver to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

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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 September, booked 3 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 March 10, 2026.

This Booking.com deal was found by Cheapflights users on 3/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:25 am
DEN
-
SJU
1 stop14h 36m
Frontier
Wed 4/156:30 am
SJU
-
DEN
1 stop18h 29m
Frontier
Deal found 3/6$242
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sat 4/1811:29 am
DEN
-
SJU
2 stops12h 32m
Frontier
Tue 4/2111:30 am
SJU
-
DEN
1 stop24h 10m
Frontier
Deal found 3/6$245
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Mon 5/49:55 am
DEN
-
SJU
1 stop11h 34m
Frontier
Thu 5/144:11 pm
SJU
-
DEN
1 stop31h 38m
Frontier
Deal found 3/7$247
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/2811:05 pm
DEN
-
SJU
1 stop16h 54m
Frontier
Fri 5/83:08 am
SJU
-
DEN
1 stop21h 51m
Frontier
Deal found 3/8$248
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Mon 5/411:05 pm
DEN
-
SJU
1 stop16h 25m
Frontier
Thu 5/73:18 pm
SJU
-
DEN
1 stop9h 45m
Frontier
Deal found 3/9$251
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sat 4/1811:59 pm
DEN
-
SJU
1 stop24h 02m
Frontier
Wed 4/2211:30 am
SJU
-
DEN
1 stop24h 10m
Frontier
Deal found 3/6$253
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Tue 4/2111:59 pm
DEN
-
SJU
2 stops16h 00m
Frontier
Tue 4/2811:30 am
SJU
-
DEN
1 stop24h 10m
Frontier
Deal found 3/5$254
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sat 5/211:59 pm
DEN
-
SJU
1 stop15h 32m
Multiple Airlines
Fri 5/89:54 am
SJU
-
DEN
1 stop28h 15m
Multiple Airlines
Deal found 3/9$256
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Wed 4/1511:59 pm
DEN
-
SJU
1 stop17h 15m
Multiple Airlines
Tue 4/211:59 am
SJU
-
DEN
2 stops22h 30m
Multiple Airlines
Deal found 3/6$257
This Trip.com deal was found by Cheapflights users on 3/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:25 am
DEN
-
SJU
1 stop14h 33m
Multiple Airlines
Tue 4/712:05 pm
SJU
-
DEN
1 stop12h 59m
Multiple Airlines
Deal found 3/8$259
This CheapOair deal was found by Cheapflights users on 3/5. 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.
Mon 5/41:26 pm
DEN
-
SJU
1 stop8h 17m
Frontier
Fri 5/83:08 am
SJU
-
DEN
1 stop21h 51m
Frontier
Deal found 3/5$260

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Booking.com)

One-way from

$120
(Frontier)

Popular in

December

Cheapest in

August

Average price

$508

Good round-trip deal

$625 or less

Good one-way deal

$378 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. 13% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 10, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 4/20

12:25 pm-11:55 pm

2 stops9h 30m

San Juan Luis Munoz Marin Intl

Tue 4/28

5:35 am-1:35 pm

2 stops10h 00m

$376

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 8/5

9:43 am-5:38 pm

Nonstop5h 55m

San Juan Luis Munoz Marin Intl

Thu 8/20

2:55 pm-11:05 pm

1 stop10h 10m

$542

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 6/6

11:30 am-11:40 pm

2 stops10h 10m

San Juan Luis Munoz Marin Intl

Sat 6/13

5:30 am-1:20 pm

2 stops9h 50m

$556
Quickest round-trip

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 5/8

9:43 am-5:38 pm

Nonstop5h 55m

San Juan Luis Munoz Marin Intl

Mon 5/11

1:40 pm-6:15 pm

Nonstop6h 35m

$617

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 5/2

6:00 am-8:34 pm

1 stop12h 34m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:40 pm-6:15 pm

Nonstop6h 35m

$628

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 5/23

10:15 am-11:15 pm

2 stops11h 00m

San Juan Luis Munoz Marin Intl

Fri 5/29

5:35 am-2:05 pm

2 stops10h 30m

$636

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 7/2

10:00 am-11:35 pm

2 stops11h 35m

San Juan Luis Munoz Marin Intl

Mon 7/6

5:30 am-1:55 pm

2 stops10h 25m

$636

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 4/17

9:43 am-5:38 pm

Nonstop5h 55m

San Juan Luis Munoz Marin Intl

Mon 4/20

3:56 pm-11:59 pm

1 stop10h 03m

$653

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 4/11

9:43 am-5:38 pm

Nonstop5h 55m

San Juan Luis Munoz Marin Intl

Wed 4/15

1:25 pm-10:15 pm

1 stop10h 50m

$657

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 4/11

9:43 am-5:38 pm

Nonstop5h 55m

San Juan Luis Munoz Marin Intl

Sat 4/18

7:00 am-2:33 pm

1 stop9h 33m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 23 resultsSorted by cheapest first
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 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 3 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, January is the cheapest month in which you can book a flight from Denver to San Juan Luis Munoz Marin Intl Airport (average of $178). Flying from Denver to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $292). 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 March 10, 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.

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 March 10, 2026.
See what other customers who have flown with Southwest,United Airlines, andJetBlue 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.

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 United Airlines can get you from Denver to San Juan Luis Munoz Marin Intl Airport in just under 5h 55m. Your travel time can differ by up to 4h 25m. 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 $179. Other airlines that can offer you cheap pricing are JetBlue, from $272, and Delta, from $328. Frontier is priced at 62% 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?

    $104 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 $318. On average you can expect to pay $625. The most popular route, (Denver Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $251.

  • 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 $28 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 $27 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, January is the cheapest month in which you can book a flight from Denver to San Juan Luis Munoz Marin Intl Airport (average of $178). Flying from Denver to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $292). 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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Alternative routes for Denver to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$179Average$315FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$272Average$427FlexibilityNo cancel feeOn-time62%
DeltaCheapest$328Average$636FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$412Average$557FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$485Average$607FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$486Average$668FlexibilityNo cancel feeOn-time69%

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