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$122+ Cheap flights from Luis Munoz Marin Intl (SJU) to Denver (DEN)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Denver Intl are usually found in February or September, booked 66 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Luis Munoz Marin Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Denver (DEN). 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 July 28, 2025.

Round-trip from

$243
(eDestinos)

One-way from

$122
(eDestinos)

Popular in

May

Cheapest in

February

Average price

$399

Good round-trip deal

$381 or less

Good one-way deal

$318 or less
From San Juan Luis Munoz Marin Intl to Denver Intl
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One-way flight from San Juan Luis Munoz Marin Intl to Denver Intl
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Highest demand for flights based on searches. 13% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Denver Intl.
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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Denver Intl.
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Find flight deals from Luis Munoz Marin Intl to Denver

Cheapest flights from Luis Munoz Marin Intl to Denver
Explore the most affordable flight options available from Luis Munoz Marin Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:00 amSJU - DEN
1 stop17h 08mFrontier
Sat 8/166:00 amDEN - SJU
1 stop7h 54mFrontier
Deal found 7/27$243
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Wed 8/132:11 amSJU - DEN
2 stops23h 37mMultiple Airlines
Sat 8/237:53 pmDEN - SJU
2 stops35h 12mMultiple Airlines
Deal found 7/25$326

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Denver 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 July 28, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Denver that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Denver

Route

Depart

Return

Price

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 8/1

6:00 am-9:08 pm

1 stop17h 08m

Denver Intl

Sat 8/16

6:00 am-3:54 pm

1 stop7h 54m

$243

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 8/13

2:11 am-11:48 pm

2 stops23h 37m

Denver Intl

Sat 8/23

7:53 pm-9:05 am

2 stops35h 12m

$326

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 8/15

5:15 pm-8:21 am

1 stop17h 06m

$122

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 8/8

2:40 am-9:17 pm

2 stops20h 37m

$157

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 12/19

2:52 pm-8:32 am

1 stop20h 40m

$218

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sun 1/11

6:15 am-12:51 pm

1 stop9h 36m

$220

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 10/16

5:00 am-2:35 pm

2 stops11h 35m

$236

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 11/18

5:50 pm-10:24 am

1 stop19h 34m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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

Have a flexible travel schedule? Discover the best time to fly to Denver from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Denver. Price data was last updated on July 25, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Denver (average of $197). Flying from San Juan Luis Munoz Marin Intl Airport to Denver in March is currently the most expensive (average of $278). 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 SJU to DEN?

Find hourly flight availability from Luis Munoz Marin Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s optimal to fly from San Juan Luis Munoz Marin Intl Airport to Denver in the afternoon. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Denver?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Denver. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Juan Luis Munoz Marin Intl Airport to Denver

Explore weekly flight availability from Luis Munoz Marin Intl to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from SJU to DEN are scheduled on a Sunday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 28, 2025.
Read through reviews of airlines operating flights from San Juan Luis Munoz Marin Intl Airport to Denver, such as Southwest, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,892 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
JetBlue
7.3
Good
2,914 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Sun Country Air
6.9
Okay
332 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.9
Fair
3,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Denver. 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 into for flights to Denver from San Juan Luis Munoz Marin Intl?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from San Juan Luis Munoz Marin Intl. Booking flights from San Juan Luis Munoz Marin Intl to Denver Intl (DEN) should be relatively easy as there is 1 daily inbound flight from San Juan Luis Munoz Marin Intl from 6 different airlines.

  • What is the cheapest airline to fly from San Juan Luis Munoz Marin Intl Airport to Denver round-trip?

    Frontier, at $243, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to Denver.. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to Denver for 43% less than the average price by searching for this airline.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $122. Sun Country Air flights start at $218 while deals on JetBlue start at $220 one-way.

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

    Looking for the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Denver? While on average our users pay $1,172, our data indicates the cheapest price to be $158. The most popular route (San Juan Luis Munoz Marin Intl - Denver Intl), is priced around $255.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Denver 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 San Juan Luis Munoz Marin Intl Airport to Denver?

    Currently, October is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Denver (average of $197). Flying from San Juan Luis Munoz Marin Intl Airport to Denver in March is currently the most expensive (average of $278). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Greeley
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Alternative routes for Luis Munoz Marin Intl to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Luis Munoz Marin Intl to Denver

Discover the top 6 airlines that operate flights from Luis Munoz Marin Intl to Denver. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$293FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$276Average$479FlexibilityNo cancel feeOn-time62%
DeltaCheapest$381Average$584FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$419Average$568FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$484Average$681FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$486Average$667FlexibilityNo cancel feeOn-time69%

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