What is the cheapest airline that flies from San Juan to Denver Intl?

Frontier is the most popular carrier operating from San Juan to Denver Intl

How many flights depart from San Juan to Denver on average per day?

1 flights are operational daily from San Juan to Denver as of January 2026. The most popular departure time for this route is 2:00PM, with 100% of flights per day taking off in the afternoon.

What airlines fly to Denver?

Frontier, United Airlines and American Airlines are the top three most popular airlines that fly to Denver from San Juan according to our data. Frontier is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

How many flights depart from San Juan to Denver on average per week?

As of January 2026, 7 flights take off from San Juan and land in Denver each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

When did momondo last update prices for flights from San Juan to Denver Intl Airport?

Prices for flights from San Juan to Denver Intl Airport were last updated today.

How many operators does momondo search for flights from San Juan to Denver Intl Airport?

The number of operators available for flights from San Juan to Denver Intl Airport is 6 as of January 2026.

How old do you have to be to fly from San Juan to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$110 Cheap Flights from San Juan to Denver in 2026

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Cheap round-trip flights

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3:53 am - 7:55 am

SJU

DEN

31h 02m

1 stop

7:24 pm - 2:53 am

DEN

SJU

28h 29m

1 stop

$203Frontier

sex, fev 13 - qui, fev 19

3:53 am - 7:55 am

SJU

DEN

31h 02m

1 stop

6:00 am - 2:25 am

DEN

SJU

17h 25m

1 stop

$204Frontier

ter, fev 24 - seg, mar 2

6:00 am - 7:11 pm

SJU

DEN

16h 11m

1 stop

11:59 pm - 2:48 am

DEN

SJU

23h 49m

1 stop

$211Frontier

qui, fev 12 - seg, fev 16

7:54 pm - 7:55 am

SJU

DEN

15h 01m

1 stop

11:59 pm - 2:53 am

DEN

SJU

23h 54m

1 stop

$214Frontier

sáb, fev 14 - sáb, fev 21

3:53 am - 10:59 pm

SJU

DEN

22h 06m

1 stop

9:25 am - 12:43 am

DEN

SJU

12h 18m

1 stop

$216Frontier

seg, fev 16 - ter, fev 24

6:00 am - 7:11 pm

SJU

DEN

16h 11m

1 stop

12:59 am - 3:02 pm

DEN

SJU

11h 03m

1 stop

$217Frontier

qui, fev 19 - dom, fev 22

6:00 am - 9:11 am

SJU

DEN

30h 11m

1 stop

11:59 pm - 1:58 am

DEN

SJU

23h 59m

1 stop

$218Frontier

seg, mar 2 - ter, mar 10

5:25 pm - 7:55 am

SJU

DEN

17h 30m

1 stop

11:49 pm - 1:21 am

DEN

SJU

23h 32m

1 stop

$219Frontier

qua, mar 4 - qua, mar 11

7:09 pm - 3:02 pm

SJU

DEN

22h 53m

1 stop

6:20 pm - 2:53 am

DEN

SJU

29h 33m

1 stop

$220Frontier

qui, fev 26 - ter, mar 3

3:53 am - 6:20 pm

SJU

DEN

17h 27m

1 stop

10:44 am - 12:41 am

DEN

SJU

10h 57m

1 stop

$222Frontier

qua, fev 25 - qui, mar 5

Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets

Frontier

Feb 13

SJU3:53 amSan Juan Luis Munoz Marin Intl

31h 02m

1 stop

DEN7:55 amDenver Intl

Feb 19

DEN7:24 pmDenver Intl

28h 29m

1 stop

SJU2:53 amSan Juan Luis Munoz Marin Intl

$203

Frontier

Feb 24

SJU3:53 amSan Juan Luis Munoz Marin Intl

31h 02m

1 stop

DEN7:55 amDenver Intl

Mar 2

DEN6:00 amDenver Intl

17h 25m

1 stop

SJU2:25 amSan Juan Luis Munoz Marin Intl

$204

Frontier

Feb 12

SJU6:00 amSan Juan Luis Munoz Marin Intl

16h 11m

1 stop

DEN7:11 pmDenver Intl

Feb 16

DEN11:59 pmDenver Intl

23h 49m

1 stop

SJU2:48 amSan Juan Luis Munoz Marin Intl

$211

Fly from

Fly to

Route

Depart

Return

Price

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

sex 2/13

3:53 am-7:55 am

1 stop31h 02m

Denver Intl

qui 2/19

7:24 pm-2:53 am

1 stop28h 29m

$203

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

ter 2/24

3:53 am-7:55 am

1 stop31h 02m

Denver Intl

seg 3/2

6:00 am-2:25 am

1 stop17h 25m

$204

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

qui 2/12

6:00 am-7:11 pm

1 stop16h 11m

Denver Intl

seg 2/16

11:59 pm-2:48 am

1 stop23h 49m

$211

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

sáb 2/14

7:54 pm-7:55 am

1 stop15h 01m

Denver Intl

sáb 2/21

11:59 pm-2:53 am

1 stop23h 54m

$214

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

seg 2/16

3:53 am-10:59 pm

1 stop22h 06m

Denver Intl

ter 2/24

9:25 am-12:43 am

1 stop12h 18m

$216

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

qui 2/19

6:00 am-7:11 pm

1 stop16h 11m

Denver Intl

dom 2/22

12:59 am-3:02 pm

1 stop11h 03m

$217

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

seg 3/2

6:00 am-9:11 am

1 stop30h 11m

Denver Intl

ter 3/10

11:59 pm-1:58 am

1 stop23h 59m

$218

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

qua 3/4

5:25 pm-7:55 am

1 stop17h 30m

Denver Intl

qua 3/11

11:49 pm-1:21 am

1 stop23h 32m

$219

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

qui 2/26

7:09 pm-3:02 pm

1 stop22h 53m

Denver Intl

ter 3/3

6:20 pm-2:53 am

1 stop29h 33m

$220

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

qua 2/25

3:53 am-6:20 pm

1 stop17h 27m

Denver Intl

qui 3/5

10:44 am-12:41 am

1 stop10h 57m

$222

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Juan to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from San Juan is in March. Flight prices, which tend to average around $364, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in March, then you should wait until February to fly from San Juan, when ticket prices are also cheap, with an average price of $368.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $535. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $738.

What is the cheapest San Juan to Denver Intl flight route?

Fly from San Juan Luis Munoz Marin Intl to Denver Intl for the best San Juan - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Juan for as low as $333 on momondo.

What cabin class options are available on San Juan to Denver Intl flights?

There are 4 cabin classes available to choose from on San Juan to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Juan to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan to Denver

Fastest flight time	6h 31m
Direct flights	Every day
Airports in Denver	1 airport

The fastest flight from San Juan to Denver takes 6h 31m

Direct flights go from San Juan to Denver every day.

There is 1 airport in Denver. From San Juan there are direct flights to Denver Intl (DEN).

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How far is San Juan to Denver Intl by plane?
The distance between San Juan and Denver Intl is about 2735.5 mi. 6h 31m is a normal flight duration for this route.
When did momondo last update prices for flights from San Juan to Denver Intl Airport?
Prices for flights from San Juan to Denver Intl Airport were last updated today.
How many operators does momondo search for flights from San Juan to Denver Intl Airport?
The number of operators available for flights from San Juan to Denver Intl Airport is 6 as of January 2026.
How old do you have to be to fly from San Juan to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Juan to Denver

Compare and see reviews for airlines that fly from San Juan to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $142	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
JetBlue	PriceFrom $195	Free Cancellation	Rating 7.2 2,891 reviews	Search JetBlue flights
American Airlines	PriceFrom $207	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
Southwest	PriceFrom $411	Free Cancellation	Rating 8.0 4,267 reviews	Search Southwest flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Juan to Denver?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to Denver. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Juan to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from San Juan with this policy.

How can momondo help me find flights from San Juan to Denver?

Once all potential San Juan to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Juan to Denver right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Juan to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.