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Cheap flights from San Juan to Denver from $132

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 9/19. 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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Find the cheapest flights from San Juan to Denver

Cheap round-trip flights

Logo
9:26 pm - 1:04 amSJU-DEN
29h 38m1 stop
Logo
6:59 pm - 1:43 pmDEN-SJU
16h 44m1 stop
$265
Find Deal
Fri, Sep 19 - Sat, Sep 27
Frontier Logo
12:28 am - 8:57 amSJU-DEN
10h 29m1 stop
Frontier Logo
6:55 pm - 9:52 amDEN-SJU
12h 57m1 stop
$268Frontier
Find Deal
Thu, Sep 18 - Sun, Oct 5
Logo
6:00 am - 6:51 amSJU-DEN
27h 51m2 stops
Logo
11:18 am - 4:23 pmDEN-SJU
26h 05m1 stop
$273
Find Deal
Sat, Nov 8 - Thu, Nov 13
Frontier Logo
1:43 am - 8:58 amSJU-DEN
9h 15m1 stop
Frontier Logo
11:45 pm - 11:01 amDEN-SJU
9h 16m1 stop
$274Frontier
Find Deal
Thu, Oct 23 - Sun, Oct 26
Logo
5:13 pm - 9:22 pmSJU-DEN
30h 09m1 stop
Logo
7:48 pm - 2:11 pmDEN-SJU
16h 23m2 stops
$275
Find Deal
Fri, Sep 26 - Fri, Oct 3
Frontier Logo
3:39 am - 8:09 amSJU-DEN
30h 30m1 stop
Frontier Logo
11:45 pm - 12:29 amDEN-SJU
22h 44m1 stop
$276Frontier
Find Deal
Tue, Sep 30 - Wed, Oct 15
Logo
12:28 am - 8:57 amSJU-DEN
10h 29m1 stop
Logo
6:59 pm - 2:12 pmDEN-SJU
17h 13m2 stops
$277
Find Deal
Fri, Sep 26 - Sat, Oct 4
Frontier Logo
12:28 am - 8:57 amSJU-DEN
10h 29m1 stop
Frontier Logo
11:19 am - 2:34 amDEN-SJU
13h 15m1 stop
$278Frontier
Find Deal
Fri, Sep 19 - Tue, Sep 23
Logo
5:13 pm - 9:22 pmSJU-DEN
30h 09m1 stop
Logo
7:48 pm - 2:11 pmDEN-SJU
16h 23m2 stops
$279
Find Deal
Fri, Sep 26 - Fri, Oct 3
Frontier Logo
10:39 pm - 9:00 amSJU-DEN
12h 21m1 stop
Frontier Logo
11:15 pm - 12:41 amDEN-SJU
22h 26m1 stop
$282Frontier
Find Deal
Fri, Oct 31 - Wed, Nov 5

Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets
Frontier
Sep 4
SJU12:06 pmSan Juan Luis Munoz Marin Intl
22h 51m
1 stop
DEN8:57 amDenver Intl
Sep 8
DEN7:01 pmDenver Intl
29h 33m
1 stop
SJU2:34 amSan Juan Luis Munoz Marin Intl
$268
Find similar
Frontier
Oct 23
SJU1:43 amSan Juan Luis Munoz Marin Intl
9h 15m
1 stop
DEN8:58 amDenver Intl
Oct 26
DEN11:45 pmDenver Intl
9h 16m
1 stop
SJU11:01 amSan Juan Luis Munoz Marin Intl
$274
Find similar
Frontier
Sep 30
SJU3:39 amSan Juan Luis Munoz Marin Intl
30h 30m
1 stop
DEN8:09 amDenver Intl
Oct 15
DEN11:45 pmDenver Intl
22h 44m
1 stop
SJU12:29 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 August 28, 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

Fri 9/19

9:26 pm-1:04 am

1 stop29h 38m

Denver Intl

Sat 9/27

6:59 pm-1:43 pm

1 stop16h 44m

$265

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 9/18

12:28 am-8:57 am

1 stop10h 29m

Denver Intl

Sun 10/5

6:55 pm-9:52 am

1 stop12h 57m

$268

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 11/8

6:00 am-6:51 am

2 stops27h 51m

Denver Intl

Thu 11/13

11:18 am-4:23 pm

1 stop26h 05m

$273

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 10/23

1:43 am-8:58 am

1 stop9h 15m

Denver Intl

Sun 10/26

11:45 pm-11:01 am

1 stop9h 16m

$274

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 9/26

5:13 pm-9:22 pm

1 stop30h 09m

Denver Intl

Fri 10/3

7:48 pm-2:11 pm

2 stops16h 23m

$275

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 9/30

3:39 am-8:09 am

1 stop30h 30m

Denver Intl

Wed 10/15

11:45 pm-12:29 am

1 stop22h 44m

$276

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 9/26

12:28 am-8:57 am

1 stop10h 29m

Denver Intl

Sat 10/4

6:59 pm-2:12 pm

2 stops17h 13m

$277

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 9/19

12:28 am-8:57 am

1 stop10h 29m

Denver Intl

Tue 9/23

11:19 am-2:34 am

1 stop13h 15m

$278

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 9/26

5:13 pm-9:22 pm

1 stop30h 09m

Denver Intl

Fri 10/3

7:48 pm-2:11 pm

2 stops16h 23m

$279

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 10/31

10:39 pm-9:00 am

1 stop12h 21m

Denver Intl

Wed 11/5

11:15 pm-12:41 am

1 stop22h 26m

$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 $293, 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 October to fly from San Juan, when ticket prices are also cheap, with an average price of $369.

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 $554. 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 $639.

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 $448 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 $295 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 10m

Direct flights

Every day

Airports in Denver

1 airport
The fastest flight from San Juan to Denver takes 6h 10m
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 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 $130Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
JetBluePriceFrom $286Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
DeltaPriceFrom $381Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SouthwestPriceFrom $397Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $484Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Denver?

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

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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