Denver

$110+ Cheap flights from San Juan 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
Mar 5 — Mar 121
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Find cheap flights from San Juan to Denver with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Juan to Denver Intl are usually found in March or February, booked 79 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from San Juan to Denver

Cheapest flights from San Juan to Denver
Explore the most affordable flight options available from San Juan to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:04 pm
SJU
-
DEN
1 stop27h 55m
Frontier
Thu 2/267:24 pm
DEN
-
SJU
1 stop28h 29m
Frontier
Deal found 2/2$202
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Thu 2/267:09 pm
SJU
-
DEN
1 stop27h 50m
Multiple Airlines
Mon 3/212:59 am
DEN
-
SJU
2 stops11h 32m
Multiple Airlines
Deal found 2/1$205
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:54 pm
SJU
-
DEN
1 stop15h 01m
Frontier
Sat 2/2811:59 pm
DEN
-
SJU
1 stop21h 55m
Frontier
Deal found 2/3$209
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/2511:52 am
SJU
-
DEN
1 stop24h 39m
Multiple Airlines
Mon 3/29:06 pm
DEN
-
SJU
2 stops15h 25m
Multiple Airlines
Deal found 2/1$210
This Priceline deal was found by Cheapflights users on 2/1. 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.
Thu 2/267:09 pm
SJU
-
DEN
1 stop27h 50m
Frontier
Mon 3/911:28 am
DEN
-
SJU
1 stop7h 35m
Frontier
Deal found 2/1$211
This CheapOair deal was found by Cheapflights users on 2/2. 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 2/243:53 am
SJU
-
DEN
1 stop22h 06m
Frontier
Mon 3/211:59 pm
DEN
-
SJU
1 stop23h 54m
Frontier
Deal found 2/2$215
This eDestinos deal was found by Cheapflights users on 2/1. 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.
Wed 3/111:59 am
SJU
-
DEN
1 stop23h 05m
Frontier
Thu 3/1911:59 pm
DEN
-
SJU
1 stop22h 30m
Frontier
Deal found 2/1$217
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/37:44 pm
SJU
-
DEN
1 stop14h 18m
Multiple Airlines
Tue 3/1011:59 pm
DEN
-
SJU
2 stops23h 20m
Multiple Airlines
Deal found 2/1$219
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:57 am
SJU
-
DEN
1 stop10h 23m
Frontier
Mon 3/911:59 pm
DEN
-
SJU
1 stop12h 18m
Frontier
Deal found 2/2$220
This eDestinos deal was found by Cheapflights users on 1/31. 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.
Mon 2/163:53 am
SJU
-
DEN
1 stop22h 06m
Frontier
Mon 2/2312:59 am
DEN
-
SJU
1 stop11h 07m
Frontier
Deal found 1/31$221
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Thu 2/267:09 pm
SJU
-
DEN
1 stop27h 50m
Multiple Airlines
Mon 3/29:06 pm
DEN
-
SJU
2 stops15h 25m
Multiple Airlines
Deal found 2/1$222

Find flight deals from San Juan to Denver

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 February 3, 2026.

Round-trip from

$202
(Expedia)

One-way from

$110
(Priceline)

Popular in

May

Cheapest in

March

Average price

$372
From San Juan to Denver Intl
One-way flight from San Juan to Denver Intl
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 February 3, 2026.
Use the filters below to find and compare flights from San Juan to Denver that are best for you.

Fly from

San Juan

Fly to

Denver

Route

Depart

Return

Price

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 3/5

7:09 pm-8:18 am

1 stop16h 09m

Denver Intl

Sun 3/8

11:59 pm-5:58 pm

2 stops15h 59m

$259

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 3/3

5:40 am-12:40 pm

2 stops10h 00m

Denver Intl

Tue 3/10

12:25 pm-12:15 am

2 stops9h 50m

$460

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 2/28

6:05 am-2:15 pm

2 stops11h 10m

Denver Intl

Wed 3/4

6:50 am-7:05 pm

2 stops9h 15m

$460

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 3/3

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

Tue 3/10

12:33 pm-11:36 pm

1 stop9h 03m

$512

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 3/5

2:25 pm-6:12 pm

Nonstop6h 47m

Denver Intl

Mon 3/9

11:59 pm-11:49 am

1 stop9h 50m

$512

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 7/21

5:00 am-1:45 pm

2 stops10h 45m

Denver Intl

Thu 7/23

10:00 am-11:35 pm

2 stops11h 35m

$516

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 7/29

5:00 am-1:45 pm

2 stops10h 45m

Denver Intl

Sat 8/1

6:50 am-4:10 pm

1 stop7h 20m

$536

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 2/17

6:10 am-2:30 pm

2 stops11h 20m

Denver Intl

Tue 2/24

6:50 am-7:05 pm

2 stops9h 15m

$540

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 2/18

5:40 am-2:10 pm

2 stops11h 30m

Denver Intl

Mon 2/23

12:05 pm-12:40 am

2 stops9h 35m

$552

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 3/4

5:40 am-1:50 pm

2 stops11h 10m

Denver Intl

Sun 3/8

1:35 pm-1:40 am

2 stops10h 05m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 22 results
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Best time to book a flight from San Juan to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from San Juan 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 to Denver

How far ahead should I book a flight from San Juan to Denver?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Denver. Price data was last updated on January 30, 2026.

To ensure you get the cheapest price possible for a flight from San Juan to Denver, you should look to book at least 79 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 San Juan to Denver?

Currently, March is the cheapest month in which you can book a flight from San Juan to Denver (average of $130). Flying from San Juan to Denver in July is currently the most expensive (average of $268). 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 San Juan 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 February 3, 2026.

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

Weekly flight availability from San Juan to Denver

Explore weekly flight availability from San Juan 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 February 3, 2026.

The most flights from PR1 to DEN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from San Juan 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 February 3, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Juan to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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 San Juan 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?

    Denver Intl (DEN) is the airport you will fly into if you book a flight from San Juan to Denver. You should not have trouble finding flights to Denver Intl from San Juan; the airport handles an average of 1 inbound flight from San Juan per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Denver airport from San Juan. It is only a 18.5 mi journey from Denver Intl (DEN) to Denver’s city center.

  • How long is the flight from San Juan to Denver?

    For as low as $512, Southwest can have you in Denver from San Juan in 6h 47m. Airlines will cover a distance of 2730 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Juan to Denver round-trip?

    Cheapflights users have booked flights from San Juan to Denver round-trip from $147. Other airlines that can offer you cheap pricing are JetBlue, from $195, and American Airlines, from $207. 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 San Juan 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 $85. JetBlue flights start at $170 while deals on Delta start at $174 one-way.

  • What are the cheapest flights from San Juan to Denver?

    While on average a flight from San Juan to Denver is generally $866, our data shows the cheapest flight currently is $223. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - Denver Intl), you can expect to pay $222 for that flight.

  • Can I find deals for flights from San Juan to Denver that include hotel bookings?

    Yes. In addition to deals on San Juan to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Denver?

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

  • Can I find deals for business class flights from San Juan to Denver?

    Yes. Cheapflights offers flight deals from San Juan 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 to Denver?

    Currently, March is the cheapest month in which you can book a flight from San Juan to Denver (average of $130). Flying from San Juan to Denver in July is currently the most expensive (average of $268). 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
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Juan to Denver

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

Top 6 airlines flying from San Juan to Denver

Discover the top 6 airlines that operate flights from San Juan 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$147Average$296FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$195Average$419FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$207Average$585FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$540FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$411Average$565FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$486Average$664FlexibilityNo cancel feeOn-time69%

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