Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to San Juan from $90

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 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:07 pm - 2:32 pm
DEN
-
SJU
41h 25m2 stops
Multiple Airlines Logo
8:00 am - 5:36 pm
SJU
-
DEN
12h 36m1 stop
$231Multiple Airlines
Thu, Jan 15 - Sat, Jan 24
Frontier Logo
12:20 pm - 7:59 pm
DEN
-
SJU
28h 39m1 stop
Frontier Logo
4:16 pm - 6:59 pm
SJU
-
DEN
29h 43m1 stop
$232Frontier
Wed, Jan 14 - Mon, Jan 26
Frontier Logo
11:59 pm - 10:09 am
DEN
-
SJU
7h 10m1 stop
Frontier Logo
4:22 pm - 10:44 pm
SJU
-
DEN
9h 22m1 stop
$233Frontier
Sun, Mar 1 - Sat, Mar 7
Frontier Logo
11:59 pm - 1:49 pm
DEN
-
SJU
10h 50m1 stop
Frontier Logo
3:58 am - 7:04 pm
SJU
-
DEN
18h 06m2 stops
$234Frontier
Sat, Jan 10 - Mon, Jan 12
Frontier Logo
11:59 pm - 11:15 am
DEN
-
SJU
8h 16m1 stop
Frontier Logo
3:31 pm - 9:49 pm
SJU
-
DEN
9h 18m1 stop
$235Frontier
Fri, Jan 9 - Thu, Jan 15
Frontier Logo
9:41 am - 11:59 pm
DEN
-
SJU
11h 18m1 stop
Frontier Logo
8:00 am - 5:36 pm
SJU
-
DEN
12h 36m1 stop
$236Frontier
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
9:02 pm - 11:44 pm
DEN
-
SJU
23h 42m2 stops
Multiple Airlines Logo
4:36 pm - 8:30 am
SJU
-
DEN
18h 54m1 stop
$237Multiple Airlines
Fri, Jan 9 - Sat, Jan 24
Frontier Logo
6:15 am - 12:34 am
DEN
-
SJU
15h 19m1 stop
Frontier Logo
7:00 pm - 12:19 pm
SJU
-
DEN
20h 19m2 stops
$238Frontier
Sun, Jan 25 - Tue, Jan 27
Frontier Logo
9:41 am - 10:24 am
DEN
-
SJU
21h 43m2 stops
Frontier Logo
4:16 pm - 6:59 pm
SJU
-
DEN
29h 43m1 stop
$239Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
11:59 pm - 11:53 pm
DEN
-
SJU
20h 54m1 stop
Frontier Logo
3:53 am - 9:41 pm
SJU
-
DEN
20h 48m2 stops
$240Frontier
Wed, Feb 11 - Mon, Feb 16

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
Jan 9
DEN11:59 pmDenver Intl
8h 16m
1 stop
SJU11:15 amSan Juan Luis Munoz Marin Intl
Jan 12
SJU3:58 amSan Juan Luis Munoz Marin Intl
9h 32m
1 stop
DEN10:30 amDenver Intl
$232
Find similar
Frontier
Mar 1
DEN11:59 pmDenver Intl
7h 10m
1 stop
SJU10:09 amSan Juan Luis Munoz Marin Intl
Mar 7
SJU4:22 pmSan Juan Luis Munoz Marin Intl
9h 22m
1 stop
DEN10:44 pmDenver Intl
$233
Find similar
Frontier
Jan 10
DEN11:59 pmDenver Intl
10h 50m
1 stop
SJU1:49 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU3:58 amSan Juan Luis Munoz Marin Intl
18h 06m
2 stops
DEN7:04 pmDenver Intl
$234
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 December 28, 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

Thu 1/15

6:07 pm-2:32 pm

2 stops41h 25m

San Juan Luis Munoz Marin Intl

Sat 1/24

8:00 am-5:36 pm

1 stop12h 36m

$231

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 1/14

12:20 pm-7:59 pm

1 stop28h 39m

San Juan Luis Munoz Marin Intl

Mon 1/26

4:16 pm-6:59 pm

1 stop29h 43m

$232

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 3/1

11:59 pm-10:09 am

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Sat 3/7

4:22 pm-10:44 pm

1 stop9h 22m

$233

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sat 1/10

11:59 pm-1:49 pm

1 stop10h 50m

San Juan Luis Munoz Marin Intl

Mon 1/12

3:58 am-7:04 pm

2 stops18h 06m

$234

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 1/9

11:59 pm-11:15 am

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Thu 1/15

3:31 pm-9:49 pm

1 stop9h 18m

$235

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 1/23

9:41 am-11:59 pm

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Tue 1/27

8:00 am-5:36 pm

1 stop12h 36m

$236

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 1/9

9:02 pm-11:44 pm

2 stops23h 42m

San Juan Luis Munoz Marin Intl

Sat 1/24

4:36 pm-8:30 am

1 stop18h 54m

$237

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 1/25

6:15 am-12:34 am

1 stop15h 19m

San Juan Luis Munoz Marin Intl

Tue 1/27

7:00 pm-12:19 pm

2 stops20h 19m

$238

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Thu 1/22

9:41 am-10:24 am

2 stops21h 43m

San Juan Luis Munoz Marin Intl

Mon 1/26

4:16 pm-6:59 pm

1 stop29h 43m

$239

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 2/11

11:59 pm-11:53 pm

1 stop20h 54m

San Juan Luis Munoz Marin Intl

Mon 2/16

3:53 am-9:41 pm

2 stops20h 48m

$240

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Juan from

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 $364.

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 $633. 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 $785.

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 $689.

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 $490 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 $358 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 December 2025, prices for Denver to San Juan Luis Munoz Marin Intl Airport flights are approximately 10% 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

$378

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 $378. 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 $578.
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 5h 40m, 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 $149Free CancellationRating
5.7
3,065 reviews
Search Frontier flights
JetBluePriceFrom $299Free CancellationRating
7.2
2,901 reviews
Search JetBlue flights
DeltaPriceFrom $335Free CancellationRating
7.9
8,019 reviews
Search Delta flights
SouthwestPriceFrom $451Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
American AirlinesPriceFrom $485Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
United AirlinesPriceFrom $487Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights

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

    United Airlines operates around 7 flights 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 $681, but momondo users have found United Airlines deals from Denver to San Juan Luis Munoz Marin Intl Airport from as low as $487 round-trip. United Airlines has been scored 7.4/10 in 9,113 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
Humacao
Caguas
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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/27
Tue 2/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan