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Cheap flights from San Juan to Denver from $107

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 4/5. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from San Juan to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:23 pm - 10:29 pm
SJU
-
DEN
9h 06m
1 stop
Frontier Logo
11:59 pm - 9:54 am
DEN
-
SJU
7h 55m
1 stop
$176Frontier
Fri, Apr 17 - Sun, Apr 19
Frontier Logo
11:00 am - 9:40 am
SJU
-
DEN
24h 40m
1 stop
Frontier Logo
12:02 pm - 11:59 pm
DEN
-
SJU
9h 57m
1 stop
$183Frontier
Tue, Apr 14 - Sun, Apr 19
Frontier Logo
6:30 am - 11:04 pm
SJU
-
DEN
18h 34m
1 stop
Frontier Logo
11:59 pm - 4:01 am
DEN
-
SJU
26h 02m
1 stop
$184Frontier
Wed, May 6 - Wed, May 13
Frontier Logo
3:23 pm - 10:29 pm
SJU
-
DEN
9h 06m
1 stop
Frontier Logo
11:59 pm - 10:23 am
DEN
-
SJU
8h 24m
1 stop
$186Frontier
Fri, Apr 17 - Fri, Apr 24
Frontier Logo
3:23 pm - 10:29 pm
SJU
-
DEN
9h 06m
1 stop
Frontier Logo
11:05 pm - 5:59 pm
DEN
-
SJU
16h 54m
1 stop
$187Frontier
Fri, Apr 17 - Tue, Apr 21
Frontier Logo
11:30 am - 9:40 am
SJU
-
DEN
24h 10m
1 stop
Frontier Logo
11:59 pm - 12:29 am
DEN
-
SJU
22h 30m
1 stop
$189Frontier
Wed, Apr 15 - Sat, Apr 25
Frontier Logo
11:30 am - 9:40 am
SJU
-
DEN
24h 10m
1 stop
Frontier Logo
12:02 pm - 11:59 pm
DEN
-
SJU
9h 57m
1 stop
$193Frontier
Wed, Apr 15 - Sun, Apr 19
Frontier Logo
11:30 am - 9:40 am
SJU
-
DEN
24h 10m
1 stop
Frontier Logo
11:59 pm - 2:01 am
DEN
-
SJU
24h 02m
1 stop
$199Frontier
Wed, Apr 15 - Sun, Apr 26
Frontier Logo
3:23 pm - 10:29 pm
SJU
-
DEN
9h 06m
1 stop
Frontier Logo
11:59 pm - 6:07 pm
DEN
-
SJU
16h 08m
1 stop
$209Frontier
Fri, Apr 17 - Thu, Apr 23
Frontier Logo
11:05 am - 10:59 pm
SJU
-
DEN
13h 54m
1 stop
Frontier Logo
11:59 pm - 9:54 am
DEN
-
SJU
7h 55m
1 stop
$211Frontier
Tue, Apr 21 - Mon, Apr 27

Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets
Frontier
Apr 17
SJU3:23 pmSan Juan Luis Munoz Marin Intl
9h 06m
1 stop
DEN10:29 pmDenver Intl
Apr 19
DEN11:59 pmDenver Intl
7h 55m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
$176
Frontier
Apr 14
SJU11:00 amSan Juan Luis Munoz Marin Intl
24h 40m
1 stop
DEN9:40 amDenver Intl
Apr 19
DEN12:02 pmDenver Intl
9h 57m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
$183
Frontier
May 6
SJU6:30 amSan Juan Luis Munoz Marin Intl
18h 34m
1 stop
DEN11:04 pmDenver Intl
May 13
DEN11:59 pmDenver Intl
26h 02m
1 stop
SJU4:01 amSan Juan Luis Munoz Marin Intl
$184

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 March 22, 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

Cheapest round-trip
Quickest round-trip

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 4/17

3:23 pm-10:29 pm

1 stop9h 06m

Denver Intl

Sun 4/19

11:59 pm-9:54 am

1 stop7h 55m

$176

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 4/14

11:00 am-9:40 am

1 stop24h 40m

Denver Intl

Sun 4/19

12:02 pm-11:59 pm

1 stop9h 57m

$183

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 5/6

6:30 am-11:04 pm

1 stop18h 34m

Denver Intl

Wed 5/13

11:59 pm-4:01 am

1 stop26h 02m

$184

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 4/17

3:23 pm-10:29 pm

1 stop9h 06m

Denver Intl

Fri 4/24

11:59 pm-10:23 am

1 stop8h 24m

$186

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 4/17

3:23 pm-10:29 pm

1 stop9h 06m

Denver Intl

Tue 4/21

11:05 pm-5:59 pm

1 stop16h 54m

$187

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 4/15

11:30 am-9:40 am

1 stop24h 10m

Denver Intl

Sat 4/25

11:59 pm-12:29 am

1 stop22h 30m

$189

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 4/15

11:30 am-9:40 am

1 stop24h 10m

Denver Intl

Sun 4/19

12:02 pm-11:59 pm

1 stop9h 57m

$193

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 4/15

11:30 am-9:40 am

1 stop24h 10m

Denver Intl

Sun 4/26

11:59 pm-2:01 am

1 stop24h 02m

$199

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 4/17

3:23 pm-10:29 pm

1 stop9h 06m

Denver Intl

Thu 4/23

11:59 pm-6:07 pm

1 stop16h 08m

$209

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 4/21

11:05 am-10:59 pm

1 stop13h 54m

Denver Intl

Mon 4/27

11:59 pm-9:54 am

1 stop7h 55m

$211

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 April. Flight prices, which tend to average around $365, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in April, then you should wait until August to fly from San Juan, when ticket prices are also cheap, with an average price of $376.

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 $539. 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 $460 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 $343 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 35m

Direct flights

Every day

Airports in Denver

1 airport
The fastest flight from San Juan to Denver takes 6h 35m
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).
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. 6h 35m 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
JetBluePriceFrom $195Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
FrontierPriceFrom $203Free CancellationRating
5.7
3,020 reviews
Search Frontier flights
American AirlinesPriceFrom $207Free CancellationRating
7.1
11,485 reviews
Search American Airlines flights
DeltaPriceFrom $295Free CancellationRating
7.9
8,315 reviews
Search Delta flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,325 reviews
Search Southwest flights
United AirlinesPriceFrom $490Free CancellationRating
7.4
9,458 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
Longmont
Boulder
Greeley
Cripple Creek
Keystone
Lakewood
Westminster
Thornton
Frisco
Winter Park
Grand Lake
Centennial
Englewood
Copper Mountain

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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