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Cheap flights from Denver to San Juan from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Juan departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:45 pm - 1:32 amDEN-SJU
31h 47m2 stops
Multiple Airlines Logo
9:15 am - 7:09 pmSJU-DEN
12h 54m1 stop
$283Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Dec 3
Frontier Logo
12:59 am - 3:01 pmDEN-SJU
11h 02m1 stop
Frontier Logo
9:37 pm - 2:15 pmSJU-DEN
43h 38m2 stops
$284Frontier
Find Deal
Tue, Dec 2 - Tue, Dec 23
Frontier Logo
12:59 am - 10:17 amDEN-SJU
30h 18m1 stop
Frontier Logo
5:00 pm - 9:41 pmSJU-DEN
31h 41m2 stops
$285Frontier
Find Deal
Thu, Jan 8 - Sat, Jan 17
Frontier Logo
12:59 am - 3:06 pmDEN-SJU
11h 07m1 stop
Frontier Logo
3:55 am - 3:27 pmSJU-DEN
14h 32m2 stops
$286Frontier
Find Deal
Sun, Jan 25 - Fri, Feb 6
Frontier Logo
11:59 pm - 2:42 pmDEN-SJU
11h 43m1 stop
Frontier Logo
7:11 am - 3:42 pmSJU-DEN
11h 31m1 stop
$287Frontier
Find Deal
Sat, Nov 15 - Sat, Nov 22
Multiple Airlines Logo
11:25 pm - 7:50 pmDEN-SJU
17h 25m1 stop
Multiple Airlines Logo
6:00 am - 8:27 amSJU-DEN
29h 27m1 stop
$288Multiple Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 9
Multiple Airlines Logo
12:00 pm - 12:32 pmDEN-SJU
21h 32m2 stops
Multiple Airlines Logo
6:00 am - 12:32 pmSJU-DEN
9h 32m1 stop
$289Multiple Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 9
Frontier Logo
9:09 am - 5:54 pmDEN-SJU
29h 45m1 stop
Frontier Logo
1:59 am - 8:35 amSJU-DEN
9h 36m1 stop
$290Frontier
Find Deal
Mon, Nov 10 - Wed, Nov 12
Frontier Logo
11:59 pm - 12:49 amDEN-SJU
21h 50m1 stop
Frontier Logo
10:42 am - 8:43 amSJU-DEN
25h 01m1 stop
$291Frontier
Find Deal
Sun, Dec 7 - Mon, Dec 15
Frontier Logo
12:59 am - 5:54 pmDEN-SJU
13h 55m2 stops
Frontier Logo
7:00 am - 12:52 pmSJU-DEN
8h 52m1 stop
$292Frontier
Find Deal
Mon, Feb 2 - Tue, Feb 10

Frontier flights from Denver to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Denver to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Dec 2
DEN12:59 amDenver Intl
11h 02m
1 stop
SJU3:01 pmSan Juan Luis Munoz Marin Intl
Dec 23
SJU9:37 pmSan Juan Luis Munoz Marin Intl
43h 38m
2 stops
DEN2:15 pmDenver Intl
$284
Find similar
Frontier
Jan 8
DEN12:59 amDenver Intl
30h 18m
1 stop
SJU10:17 amSan Juan Luis Munoz Marin Intl
Jan 17
SJU5:00 pmSan Juan Luis Munoz Marin Intl
31h 41m
2 stops
DEN9:41 pmDenver Intl
$285
Find similar
Frontier
Jan 25
DEN12:59 amDenver Intl
11h 07m
1 stop
SJU3:06 pmSan Juan Luis Munoz Marin Intl
Feb 6
SJU3:55 amSan Juan Luis Munoz Marin Intl
14h 32m
2 stops
DEN3:27 pmDenver Intl
$286
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
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

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 11/12

2:45 pm-1:32 am

2 stops31h 47m

San Juan Luis Munoz Marin Intl

Wed 12/3

9:15 am-7:09 pm

1 stop12h 54m

$283

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 12/2

12:59 am-3:01 pm

1 stop11h 02m

San Juan Luis Munoz Marin Intl

Tue 12/23

9:37 pm-2:15 pm

2 stops43h 38m

$284

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 1/8

12:59 am-10:17 am

1 stop30h 18m

San Juan Luis Munoz Marin Intl

Sat 1/17

5:00 pm-9:41 pm

2 stops31h 41m

$285

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 1/25

12:59 am-3:06 pm

1 stop11h 07m

San Juan Luis Munoz Marin Intl

Fri 2/6

3:55 am-3:27 pm

2 stops14h 32m

$286

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 11/15

11:59 pm-2:42 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Sat 11/22

7:11 am-3:42 pm

1 stop11h 31m

$287

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 12/3

11:25 pm-7:50 pm

1 stop17h 25m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:00 am-8:27 am

1 stop29h 27m

$288

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 12/3

12:00 pm-12:32 pm

2 stops21h 32m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:00 am-12:32 pm

1 stop9h 32m

$289

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 11/10

9:09 am-5:54 pm

1 stop29h 45m

San Juan Luis Munoz Marin Intl

Wed 11/12

1:59 am-8:35 am

1 stop9h 36m

$290

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 12/7

11:59 pm-12:49 am

1 stop21h 50m

San Juan Luis Munoz Marin Intl

Mon 12/15

10:42 am-8:43 am

1 stop25h 01m

$291

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 2/2

12:59 am-5:54 pm

2 stops13h 55m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:00 am-12:52 pm

1 stop8h 52m

$292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Denver to San Juan Luis Munoz Marin Intl Airport

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

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $366.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Denver is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $635. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $794.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $288. Flights in the morning are often more expensive with an average ticket price of $691.

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

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

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Denver for as low as $356 on momondo.

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

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

How have Denver to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of October 2025, prices for Denver to San Juan Luis Munoz Marin Intl Airport flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from Denver to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to San Juan Luis Munoz Marin Intl Airport (DEN to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$393

Fastest flight time

5h 40m

Direct flights

Every day
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Denver in the past 72 hours is $393. The best round-trip flight deal from Denver to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $576.
The fastest flight from Denver to San Juan Luis Munoz Marin Intl Airport takes 5h 40m
Direct flights go from Denver to San Juan Luis Munoz Marin Intl Airport every day.
Search flight deals

  • How far is Denver Intl to San Juan Luis Munoz Marin Intl by plane?

    Denver Intl and San Juan Luis Munoz Marin Intl are 2741.9 mi apart from one another. Flights usually cover this in 7h 48m, depending on flying conditions and air traffic around both airports.

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

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

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

  • How old do you have to be to fly from Denver Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin 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 San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Denver to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Denver to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Denver to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Denver to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $147Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
JetBluePriceFrom $337Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
DeltaPriceFrom $381Free CancellationRating
7.9
7,993 reviews
Search Delta flights
SouthwestPriceFrom $443Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $494Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

  • United Airlines Flights From Denver to San Juan Luis Munoz Marin Intl Airport

    United Airlines operates around 1 flight from Denver to San Juan Luis Munoz Marin Intl Airport every week. The average price of these flights found in the last 72 hours has been $683, but momondo users have found United Airlines deals from Denver to San Juan Luis Munoz Marin Intl Airport from as low as $486 round-trip. United Airlines has been scored 7.4/10 in 8,998 reviews.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Denver.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to San Juan.

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

Of course. momondo tracks the price of Denver to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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