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Cheap flights from San Juan to Denver from $101

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 6/3. 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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Find the cheapest flights from San Juan to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:30 am - 11:04 pm
SJU
-
DEN
18h 34m
1 stop
Frontier Logo
12:59 pm - 5:14 pm
DEN
-
SJU
26h 15m
1 stop
$193Frontier
Sat, May 16 - Sun, May 24
Frontier Logo
6:41 pm - 8:57 am
SJU
-
DEN
16h 16m
1 stop
Frontier Logo
11:45 pm - 5:26 pm
DEN
-
SJU
15h 41m
1 stop
$206Frontier
Wed, May 13 - Sat, May 16
Frontier Logo
3:12 pm - 11:04 pm
SJU
-
DEN
9h 52m
1 stop
Frontier Logo
11:54 pm - 2:07 pm
DEN
-
SJU
12h 13m
1 stop
$226Frontier
Fri, May 8 - Mon, May 11
Frontier Logo
6:44 am - 2:56 pm
SJU
-
DEN
10h 12m
1 stop
Frontier Logo
6:00 am - 2:09 am
DEN
-
SJU
18h 09m
1 stop
$232Frontier
Sat, Jun 20 - Tue, Jun 30
Frontier Logo
6:30 am - 11:04 pm
SJU
-
DEN
18h 34m
1 stop
Frontier Logo
11:59 pm - 3:50 pm
DEN
-
SJU
13h 51m
1 stop
$236Frontier
Tue, May 12 - Fri, May 15
Frontier Logo
6:00 am - 11:11 pm
SJU
-
DEN
19h 11m
1 stop
Frontier Logo
7:15 am - 11:57 pm
DEN
-
SJU
14h 42m
1 stop
$237Frontier
Fri, May 15 - Sun, May 17
Frontier Logo
8:50 am - 12:16 am
SJU
-
DEN
17h 26m
1 stop
Frontier Logo
6:00 am - 2:09 am
DEN
-
SJU
18h 09m
1 stop
$238Frontier
Wed, Jun 17 - Tue, Jun 30
Frontier Logo
8:50 am - 12:16 am
SJU
-
DEN
17h 26m
1 stop
Frontier Logo
11:59 pm - 12:37 am
DEN
-
SJU
22h 38m
1 stop
$246Frontier
Wed, Jun 17 - Sat, Jun 27
Frontier Logo
8:50 am - 12:16 am
SJU
-
DEN
17h 26m
1 stop
Frontier Logo
11:59 pm - 12:37 am
DEN
-
SJU
22h 38m
1 stop
$249Frontier
Wed, Jun 10 - Sat, Jun 13
Frontier Logo
5:15 pm - 2:48 pm
SJU
-
DEN
23h 33m
1 stop
Frontier Logo
11:49 pm - 11:29 pm
DEN
-
SJU
21h 40m
1 stop
$250Frontier
Thu, Jun 18 - Tue, Jun 23

Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets
Frontier
May 16
SJU6:30 amSan Juan Luis Munoz Marin Intl
18h 34m
1 stop
DEN11:04 pmDenver Intl
May 24
DEN12:59 pmDenver Intl
26h 15m
1 stop
SJU5:14 pmSan Juan Luis Munoz Marin Intl
$193
Frontier
May 13
SJU6:41 pmSan Juan Luis Munoz Marin Intl
16h 16m
1 stop
DEN8:57 amDenver Intl
May 16
DEN11:45 pmDenver Intl
15h 41m
1 stop
SJU5:26 pmSan Juan Luis Munoz Marin Intl
$206
Frontier
May 14
SJU6:09 pmSan Juan Luis Munoz Marin Intl
16h 15m
1 stop
DEN8:24 amDenver Intl
May 17
DEN7:15 amDenver Intl
14h 42m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
$226

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 May 2, 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

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 5/16

6:30 am-11:04 pm

1 stop18h 34m

Denver Intl

Sun 5/24

12:59 pm-5:14 pm

1 stop26h 15m

$193

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 5/13

6:41 pm-8:57 am

1 stop16h 16m

Denver Intl

Sat 5/16

11:45 pm-5:26 pm

1 stop15h 41m

$206
Quickest round-trip

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 5/8

3:12 pm-11:04 pm

1 stop9h 52m

Denver Intl

Mon 5/11

11:54 pm-2:07 pm

1 stop12h 13m

$226

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 6/20

6:44 am-2:56 pm

1 stop10h 12m

Denver Intl

Tue 6/30

6:00 am-2:09 am

1 stop18h 09m

$232

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Tue 5/12

6:30 am-11:04 pm

1 stop18h 34m

Denver Intl

Fri 5/15

11:59 pm-3:50 pm

1 stop13h 51m

$236

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 5/15

6:00 am-11:11 pm

1 stop19h 11m

Denver Intl

Sun 5/17

7:15 am-11:57 pm

1 stop14h 42m

$237

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 6/17

8:50 am-12:16 am

1 stop17h 26m

Denver Intl

Tue 6/30

6:00 am-2:09 am

1 stop18h 09m

$238

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 6/17

8:50 am-12:16 am

1 stop17h 26m

Denver Intl

Sat 6/27

11:59 pm-12:37 am

1 stop22h 38m

$246

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Wed 6/10

8:50 am-12:16 am

1 stop17h 26m

Denver Intl

Sat 6/13

11:59 pm-12:37 am

1 stop22h 38m

$249

San JuanDenver

SJU - DEN

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 6/18

5:15 pm-2:48 pm

1 stop23h 33m

Denver Intl

Tue 6/23

11:49 pm-11:29 pm

1 stop21h 40m

$250

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 $121, 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 February to fly from San Juan, when ticket prices are also cheap, with an average price of $125.

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 $549. 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 $960.

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 from San Juan 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 $471 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 $331 on momondo.

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 19m

Direct flights

Every day

Airports in Denver

1 airport
The fastest flight from San Juan to Denver takes 6h 19m
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

Frequently asked questions about flying from San Juan to Denver

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

    The distance between San Juan and Denver Intl is about 2735.5 mi. 6h 19m 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
DeltaPriceFrom $175Free CancellationRating
7.9
8,460 reviews
Search Delta flights
JetBluePriceFrom $195Free CancellationRating
7.1
2,967 reviews
Search JetBlue flights
FrontierPriceFrom $203Free CancellationRating
5.6
2,971 reviews
Search Frontier flights
American AirlinesPriceFrom $207Free CancellationRating
7.1
11,673 reviews
Search American Airlines flights
SouthwestPriceFrom $411Free CancellationRating
8.0
4,314 reviews
Search Southwest flights
United AirlinesPriceFrom $490Free CancellationRating
7.4
9,679 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
Keystone
Lakewood
Cripple Creek
Westminster
Thornton
Frisco
Centennial
Grand Lake
Winter Park
Englewood
Littleton

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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