Cheap flights from San Juan to Denver from $110

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 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.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:53 am - 6:17 pm
SJU
-
DEN
17h 24m
1 stop
Frontier Logo
11:59 pm - 12:54 am
DEN
-
SJU
21h 55m
1 stop
$199Frontier
Tue, Feb 17 - Sat, Feb 21
Frontier Logo
6:00 am - 8:21 am
SJU
-
DEN
29h 21m
1 stop
Frontier Logo
7:24 pm - 2:58 am
DEN
-
SJU
28h 34m
1 stop
$201Frontier
Mon, Feb 23 - Thu, Mar 5
Frontier Logo
3:53 am - 10:59 pm
SJU
-
DEN
22h 06m
1 stop
Frontier Logo
6:20 pm - 12:43 am
DEN
-
SJU
27h 23m
1 stop
$203Frontier
Tue, Feb 17 - Wed, Feb 25
Frontier Logo
3:53 am - 6:17 pm
SJU
-
DEN
17h 24m
1 stop
Frontier Logo
6:00 am - 2:25 am
DEN
-
SJU
17h 25m
1 stop
$204Frontier
Tue, Feb 17 - Mon, Feb 23
Frontier Logo
8:00 am - 8:30 am
SJU
-
DEN
27h 30m
1 stop
Frontier Logo
11:59 pm - 2:53 am
DEN
-
SJU
23h 54m
1 stop
$205Frontier
Sat, Feb 7 - Tue, Feb 10
Frontier Logo
8:00 am - 8:30 am
SJU
-
DEN
27h 30m
1 stop
Frontier Logo
11:25 pm - 2:29 am
DEN
-
SJU
24h 04m
1 stop
$206Frontier
Sat, Feb 7 - Sat, Feb 14
Frontier Logo
7:04 pm - 3:02 pm
SJU
-
DEN
22h 58m
1 stop
Frontier Logo
6:00 am - 2:25 am
DEN
-
SJU
17h 25m
1 stop
$211Frontier
Thu, Feb 12 - Mon, Feb 16
Frontier Logo
7:04 pm - 3:02 pm
SJU
-
DEN
22h 58m
1 stop
Frontier Logo
6:00 am - 2:25 am
DEN
-
SJU
17h 25m
1 stop
$212Frontier
Thu, Feb 12 - Mon, Feb 16
Frontier Logo
6:30 am - 11:09 pm
SJU
-
DEN
18h 39m
1 stop
Frontier Logo
10:59 am - 8:34 pm
DEN
-
SJU
7h 35m
1 stop
$213Frontier
Wed, Mar 25 - Sat, Apr 11
Frontier Logo
8:00 am - 5:36 pm
SJU
-
DEN
12h 36m
1 stop
Frontier Logo
1:28 pm - 1:08 am
DEN
-
SJU
8h 40m
1 stop
$214Frontier
Wed, Feb 4 - Sun, Feb 8

Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets
Frontier
Feb 17
SJU3:53 amSan Juan Luis Munoz Marin Intl
17h 24m
1 stop
DEN6:17 pmDenver Intl
Feb 21
DEN11:59 pmDenver Intl
21h 55m
1 stop
SJU12:54 amSan Juan Luis Munoz Marin Intl
$199
Frontier
Feb 23
SJU6:00 amSan Juan Luis Munoz Marin Intl
29h 21m
1 stop
DEN8:21 amDenver Intl
Mar 5
DEN7:24 pmDenver Intl
28h 34m
1 stop
SJU2:58 amSan Juan Luis Munoz Marin Intl
$201
Frontier
Feb 17
SJU3:53 amSan Juan Luis Munoz Marin Intl
22h 06m
1 stop
DEN10:59 pmDenver Intl
Feb 25
DEN6:20 pmDenver Intl
27h 23m
1 stop
SJU12:43 amSan Juan Luis Munoz Marin Intl
$203

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 January 21, 2026.
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

Tue 2/17

3:53 am-6:17 pm

1 stop17h 24m

Denver Intl

Sat 2/21

11:59 pm-12:54 am

1 stop21h 55m

$199

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Mon 2/23

6:00 am-8:21 am

1 stop29h 21m

Denver Intl

Thu 3/5

7:24 pm-2:58 am

1 stop28h 34m

$201

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 2/17

3:53 am-10:59 pm

1 stop22h 06m

Denver Intl

Wed 2/25

6:20 pm-12:43 am

1 stop27h 23m

$203

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 2/17

3:53 am-6:17 pm

1 stop17h 24m

Denver Intl

Mon 2/23

6:00 am-2:25 am

1 stop17h 25m

$204

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 2/7

8:00 am-8:30 am

1 stop27h 30m

Denver Intl

Tue 2/10

11:59 pm-2:53 am

1 stop23h 54m

$205

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 2/7

8:00 am-8:30 am

1 stop27h 30m

Denver Intl

Sat 2/14

11:25 pm-2:29 am

1 stop24h 04m

$206

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 2/12

7:04 pm-3:02 pm

1 stop22h 58m

Denver Intl

Mon 2/16

6:00 am-2:25 am

1 stop17h 25m

$211

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 2/12

7:04 pm-3:02 pm

1 stop22h 58m

Denver Intl

Mon 2/16

6:00 am-2:25 am

1 stop17h 25m

$212

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 3/25

6:30 am-11:09 pm

1 stop18h 39m

Denver Intl

Sat 4/11

10:59 am-8:34 pm

1 stop7h 35m

$213

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 2/4

8:00 am-5:36 pm

1 stop12h 36m

Denver Intl

Sun 2/8

1:28 pm-1:08 am

1 stop8h 40m

$214

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 $327, 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 $335.

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 $548. 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 $775.

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 $450 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).
  • 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?

  • 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 $142Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
JetBluePriceFrom $195Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
11,173 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,088 reviews
Search Delta flights
SouthwestPriceFrom $411Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,191 reviews
Search United 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
Manitou Springs
Cripple Creek
Longmont
Keystone
Boulder
Greeley
Lakewood
Westminster
Thornton
Winter Park
Frisco
Copper Mountain
Centennial
Grand Lake
Englewood

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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1 adult
Fri 2/20
Fri 2/27

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