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Cheap flights from San Juan to Denver from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan to Denver departing on 12/7. 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.
Frontier Logo
3:55 am - 9:50 pmSJU-DEN
20h 55m2 stops
Frontier Logo
12:59 am - 5:54 pmDEN-SJU
13h 55m2 stops
$270Frontier
Find Deal
Sat, Jan 31 - Fri, Feb 6
Frontier Logo
10:58 am - 9:50 pmSJU-DEN
13h 52m2 stops
Frontier Logo
4:50 pm - 9:55 amDEN-SJU
14h 05m1 stop
$272Frontier
Find Deal
Sun, Feb 1 - Sat, Feb 7
Multiple Airlines Logo
1:59 am - 10:59 pmSJU-DEN
24h 00m1 stop
Multiple Airlines Logo
12:59 am - 7:50 pmDEN-SJU
15h 51m2 stops
$273Multiple Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
Multiple Airlines Logo
1:55 pm - 11:39 amSJU-DEN
24h 44m1 stop
Multiple Airlines Logo
1:00 pm - 11:37 pmDEN-SJU
7h 37m1 stop
$274Multiple Airlines
Find Deal
Fri, Feb 20 - Sun, Mar 1
Multiple Airlines Logo
7:00 am - 8:23 amSJU-DEN
28h 23m2 stops
Multiple Airlines Logo
12:59 am - 3:06 pmDEN-SJU
11h 07m1 stop
$275Multiple Airlines
Find Deal
Tue, Feb 24 - Sat, Feb 28
Frontier Logo
3:55 am - 3:55 pmSJU-DEN
15h 00m1 stop
Frontier Logo
11:59 pm - 2:50 amDEN-SJU
23h 51m1 stop
$276Frontier
Find Deal
Fri, Jan 23 - Thu, Jan 29
Frontier Logo
7:06 pm - 12:07 amSJU-DEN
32h 01m1 stop
Frontier Logo
6:38 pm - 6:34 amDEN-SJU
8h 56m1 stop
$278Frontier
Find Deal
Mon, Dec 29 - Sat, Jan 10
Multiple Airlines Logo
1:22 pm - 8:38 amSJU-DEN
22h 16m1 stop
Multiple Airlines Logo
4:33 pm - 6:34 amDEN-SJU
11h 01m1 stop
$279Multiple Airlines
Find Deal
Tue, Dec 30 - Fri, Jan 9
Frontier Logo
2:11 am - 8:35 amSJU-DEN
9h 24m1 stop
Frontier Logo
12:59 am - 3:19 pmDEN-SJU
11h 20m1 stop
$281Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
3:55 am - 11:04 pmSJU-DEN
22h 09m1 stop
Frontier Logo
11:25 pm - 1:42 amDEN-SJU
23h 17m1 stop
$282Frontier
Find Deal
Sat, Jan 31 - Sun, Feb 8

Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets
Frontier
Jan 31
SJU3:55 amSan Juan Luis Munoz Marin Intl
20h 55m
2 stops
DEN9:50 pmDenver Intl
Feb 6
DEN12:59 amDenver Intl
13h 55m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
$270
Find similar
Frontier
Feb 1
SJU10:58 amSan Juan Luis Munoz Marin Intl
13h 52m
2 stops
DEN9:50 pmDenver Intl
Feb 7
DEN4:50 pmDenver Intl
14h 05m
1 stop
SJU9:55 amSan Juan Luis Munoz Marin Intl
$272
Find similar
Frontier
Jan 23
SJU3:55 amSan Juan Luis Munoz Marin Intl
15h 00m
1 stop
DEN3:55 pmDenver Intl
Jan 29
DEN11:59 pmDenver Intl
23h 51m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$276
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from San Juan to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 1/31

3:55 am-9:50 pm

2 stops20h 55m

Denver Intl

Fri 2/6

12:59 am-5:54 pm

2 stops13h 55m

$270

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sun 2/1

10:58 am-9:50 pm

2 stops13h 52m

Denver Intl

Sat 2/7

4:50 pm-9:55 am

1 stop14h 05m

$272

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sun 12/7

1:59 am-10:59 pm

1 stop24h 00m

Denver Intl

Wed 12/10

12:59 am-7:50 pm

2 stops15h 51m

$273

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 2/20

1:55 pm-11:39 am

1 stop24h 44m

Denver Intl

Sun 3/1

1:00 pm-11:37 pm

1 stop7h 37m

$274

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 2/24

7:00 am-8:23 am

2 stops28h 23m

Denver Intl

Sat 2/28

12:59 am-3:06 pm

1 stop11h 07m

$275

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 1/23

3:55 am-3:55 pm

1 stop15h 00m

Denver Intl

Thu 1/29

11:59 pm-2:50 am

1 stop23h 51m

$276

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Mon 12/29

7:06 pm-12:07 am

1 stop32h 01m

Denver Intl

Sat 1/10

6:38 pm-6:34 am

1 stop8h 56m

$278

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 12/30

1:22 pm-8:38 am

1 stop22h 16m

Denver Intl

Fri 1/9

4:33 pm-6:34 am

1 stop11h 01m

$279

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 11/13

2:11 am-8:35 am

1 stop9h 24m

Denver Intl

Sun 11/16

12:59 am-3:19 pm

1 stop11h 20m

$281

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 1/31

3:55 am-11:04 pm

1 stop22h 09m

Denver Intl

Sun 2/8

11:25 pm-1:42 am

1 stop23h 17m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

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

What is the typical price of a round-trip flight between San Juan and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from San Juan is in February. Flight prices, which tend to average around $299, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until March to fly from San Juan, when ticket prices are also cheap, with an average price of $364.

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 $551. 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 $875.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $324. Flights at noon are often more expensive with an average ticket price of $620.

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 $453 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 $336 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 47m

Direct flights

Every day

Airports in Denver

1 airport
The fastest flight from San Juan to Denver takes 6h 47m
Direct flights go from San Juan to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

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

    The distance between San Juan and Denver Intl is about 2735.5 mi. 8h 57m 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?

  • 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
FrontierPriceFrom $131Free CancellationRating
5.8
3,119 reviews
Search Frontier flights
JetBluePriceFrom $316Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
DeltaPriceFrom $375Free CancellationRating
7.9
7,995 reviews
Search Delta flights
SouthwestPriceFrom $443Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
8,993 reviews
Search United Airlines flights
American AirlinesPriceFrom $494Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

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.

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