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$119+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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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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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Denver Intl are usually found in February or March, booked 87 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$268
(Frontier)

One-way from

$119
(Trip.com)

Popular in

May

Cheapest in

February

Average price

$418

Good round-trip deal

$495 or less

Good one-way deal

$242 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Denver Intl flights.
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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. 7% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
dom. 12/217:06 pmSJU - DEN
1 stop31h 11mFrontier
mar. 12/3010:37 pmDEN - SJU
2 stops48h 57mFrontier
Deal found 10/26$268
This Frontier deal was found by Cheapflights users on 10/28. 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.
vie. 11/142:11 amSJU - DEN
1 stop9h 24mFrontier
mar. 11/189:05 pmDEN - SJU
2 stops17h 49mFrontier
Deal found 10/28$271
This Frontier deal was found by Cheapflights users on 10/26. 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.
jue. 11/132:11 amSJU - DEN
1 stop9h 24mFrontier
dom. 11/1612:59 amDEN - SJU
1 stop11h 20mFrontier
Deal found 10/26$272
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 11/129:00 amSJU - DEN
1 stop12h 26mFrontier
mié. 11/199:09 amDEN - SJU
1 stop15h 24mFrontier
Deal found 10/28$273
This Frontier deal was found by Cheapflights users on 10/28. 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.
vie. 11/149:00 amSJU - DEN
1 stop12h 26mFrontier
sáb. 11/1512:59 amDEN - SJU
1 stop11h 20mFrontier
Deal found 10/28$275
This Frontier deal was found by Cheapflights users on 10/28. 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.
mié. 11/199:00 amSJU - DEN
1 stop12h 26mFrontier
dom. 11/2311:59 pmDEN - SJU
1 stop8h 39mFrontier
Deal found 10/28$276
This Frontier deal was found by Cheapflights users on 10/28. 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.
vie. 11/149:00 amSJU - DEN
1 stop12h 26mFrontier
jue. 11/209:19 amDEN - SJU
1 stop14h 35mFrontier
Deal found 10/28$277
This Frontier deal was found by Cheapflights users on 10/28. 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.
jue. 11/137:30 amSJU - DEN
1 stop10h 23mFrontier
dom. 11/1612:59 amDEN - SJU
1 stop11h 20mFrontier
Deal found 10/28$278
This Frontier deal was found by Cheapflights users on 10/28. 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.
mié. 12/39:15 amSJU - DEN
1 stop12h 54mFrontier
mié. 12/107:05 amDEN - SJU
2 stops16h 45mFrontier
Deal found 10/28$279
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 11/129:00 amSJU - DEN
1 stop12h 26mMultiple Airlines
sáb. 11/1512:59 amDEN - SJU
2 stops13h 20mMultiple Airlines
Deal found 10/28$280
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
mar. 12/233:54 amSJU - DEN
2 stops19h 58mMultiple Airlines
mar. 12/309:00 pmDEN - SJU
1 stop17h 54mMultiple Airlines
Deal found 10/26$282

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 octubre 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

lun. 1/12

8:35 am-2:51 pm

1 stop9h 16m

Denver Intl

lun. 1/26

9:45 am-6:25 pm

Nonstop5h 40m

$491

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

jue. 1/22

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

mar. 1/27

6:00 am-9:00 pm

1 stop12h 00m

$538

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

vie. 1/23

8:10 am-9:59 pm

2 stops16h 49m

Denver Intl

mié. 1/28

7:50 am-10:22 pm

2 stops11h 32m

$561

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

vie. 1/23

3:55 pm-10:52 pm

1 stop9h 57m

Denver Intl

mar. 1/27

12:30 am-2:30 pm

1 stop11h 00m

$615

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

jue. 1/22

3:55 pm-10:52 pm

1 stop9h 57m

Denver Intl

lun. 1/26

12:30 am-1:05 pm

1 stop9h 35m

$615

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

mié. 12/3

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

lun. 12/8

9:45 am-6:25 pm

Nonstop5h 40m

$621

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

jue. 11/20

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

mié. 11/26

9:45 am-6:25 pm

Nonstop5h 40m

$621

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

vie. 1/16

2:05 am-2:51 pm

2 stops15h 46m

Denver Intl

sáb. 1/24

7:45 am-12:36 am

2 stops13h 51m

$625

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

jue. 12/11

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

dom. 12/14

11:59 pm-12:49 pm

1 stop9h 50m

$626

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

lun. 12/8

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

lun. 12/15

9:45 am-10:22 pm

1 stop9h 37m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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

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 Luis Munoz Marin Intl to Denver in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 San Juan Luis Munoz Marin Intl Airport-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Denver flights, Cheapflights users trust eDreams the most. eDreams 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 San Juan Luis Munoz Marin Intl Airport-Denver 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 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 October 24, 2025.

Booking 87 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, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Denver (average of $129). Flying from San Juan Luis Munoz Marin Intl Airport to Denver in May is currently the most expensive (average of $301). 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 octubre 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 65% 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 afternoons 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.

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

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 octubre 28, 2025.
Read through reviews of airlines operating flights from San Juan Luis Munoz Marin Intl Airport to Denver, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 are 0 daily inbound flights from San Juan Luis Munoz Marin Intl from 6 different airlines.

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

    United Airlines can get you from San Juan Luis Munoz Marin Intl Airport to Denver in just under 9h 16m. Your travel time can differ by up to . San Juan Luis Munoz Marin Intl Airport and Denver are separated by a distance of 2730 mi.

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

    Frontier, at $131, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to Denver.Alternate airlines to your destination round-trip include JetBlue and Delta. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to Denver for 71% less than the average price by searching for these airlines.

  • 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 $816, our data indicates the cheapest price to be $132. The most popular route (San Juan Luis Munoz Marin Intl - Denver Intl), is priced around $230.

  • 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, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Denver (average of $129). Flying from San Juan Luis Munoz Marin Intl Airport to Denver in May is currently the most expensive (average of $301). 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
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$308FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$316Average$469FlexibilityNo cancel feeOn-time62%
DeltaCheapest$375Average$555FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$443Average$572FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$486Average$654FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$494Average$629FlexibilityNo cancel feeOn-time71%

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