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Cheap flights from San Juan to Denver from $135

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 9/9. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:05 am - 3:03 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
10h 58m1 stop Orlando
Frontier Logo
11:59 pm - 2:16 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
11h 17m1 stop Orlando
$172Frontier
Fri, Nov 6 - Mon, Nov 9
Frontier Logo
7:00 am - 3:37 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
10h 37m1 stop Orlando
Frontier Logo
7:12 pm - 9:35 amDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
12h 23m1 stop Orlando
$196Frontier
Fri, Oct 2 - Mon, Oct 5
Multiple Airlines Logo
3:55 am - 9:30 amSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
8h 35m1 stop Orlando
Multiple Airlines Logo
11:35 am - 11:59 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
9h 24m1 stop New York John F Kennedy Intl
$407Multiple Airlines
Fri, Nov 13 - Thu, Jan 21
Multiple Airlines Logo
5:39 pm - 10:59 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
8h 20m1 stop Tampa
Multiple Airlines Logo
11:35 am - 11:59 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
9h 24m1 stop New York John F Kennedy Intl
$407Multiple Airlines
Sat, Nov 14 - Thu, Jan 21
Southwest Logo
6:00 am - 1:05 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
9h 05m2 stops Tampa Austin Bergstrom
Southwest Logo
8:35 am - 9:10 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
10h 35m2 stops Lambert-St Louis Orlando
$416Southwest
Thu, Sep 24 - Wed, Sep 30
Southwest Logo
6:35 am - 2:00 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
10h 25m2 stops Baltimore/Washington Louisville Intl
Southwest Logo
12:30 pm - 1:05 amDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
9h 35m2 stops Cincinnati Cinci./N. Kentucky Baltimore/Washington
$416Southwest
Thu, Nov 12 - Sun, Nov 15
JetBlue Logo
7:15 pm - 12:45 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
20h 30m1 stop Boston Logan Intl
JetBlue Logo
11:35 am - 11:59 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
9h 24m1 stop New York John F Kennedy Intl
$483JetBlue
Thu, Feb 4 - Sun, Feb 7
JetBlue Logo
7:00 am - 2:34 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
10h 34m1 stop New York John F Kennedy Intl
JetBlue Logo
11:59 pm - 7:35 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
16h 36m1 stop Boston Logan Intl
$507JetBlue
Thu, Nov 12 - Sat, Nov 21
United Airlines Logo
2:00 pm - 6:19 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
6h 19mnonstop
United Airlines Logo
9:46 am - 5:25 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
5h 39mnonstop
$577United Airlines
Thu, Oct 15 - Thu, Oct 29
United Airlines Logo
2:21 pm - 6:07 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
6h 46mnonstop
United Airlines Logo
9:46 am - 6:25 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
5h 39mnonstop
$577United Airlines
Fri, Nov 6 - Wed, Nov 11

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Frontier flights from San Juan to Denver

Our best Frontier deals on San Juan to Denver flight tickets
Frontier
Sep 5
SJU5:37 pmSan Juan Luis Munoz Marin Intl
31h 30m
1 stop
DEN11:07 pmDenver Intl
Sep 11
DEN9:16 pmDenver Intl
26h 57m
2 stops
SJU2:13 amSan Juan Luis Munoz Marin Intl
$289
Frontier
Sep 5
SJU5:37 pmSan Juan Luis Munoz Marin Intl
31h 30m
1 stop
DEN11:07 pmDenver Intl
Sep 11
DEN9:16 pmDenver Intl
26h 57m
2 stops
SJU2:13 amSan Juan Luis Munoz Marin Intl
$290
Frontier
Sep 1
SJU5:37 pmSan Juan Luis Munoz Marin Intl
31h 30m
1 stop
DEN11:07 pmDenver Intl
Sep 11
DEN9:16 pmDenver Intl
26h 57m
2 stops
SJU2:13 amSan Juan Luis Munoz Marin Intl
$299

Southwest flights from San Juan to Denver

Our best Southwest deals on San Juan to Denver flight tickets
Southwest
Aug 22
SJU5:05 amSan Juan Luis Munoz Marin Intl
11h 05m
2 stops
DEN2:10 pmDenver Intl
Aug 29
DEN5:45 amDenver Intl
11h 35m
2 stops
SJU7:20 pmSan Juan Luis Munoz Marin Intl
$566
Southwest
Aug 23
SJU6:35 amSan Juan Luis Munoz Marin Intl
10h 10m
2 stops
DEN2:45 pmDenver Intl
Aug 29
DEN5:45 amDenver Intl
11h 35m
2 stops
SJU7:20 pmSan Juan Luis Munoz Marin Intl
$596
Southwest
Aug 21
SJU11:35 amSan Juan Luis Munoz Marin Intl
10h 15m
2 stops
DEN7:50 pmDenver Intl
Aug 24
DEN8:05 amDenver Intl
10h 00m
2 stops
SJU8:05 pmSan Juan Luis Munoz Marin Intl
$656

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 9, 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 San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 11/6

7:05 am-3:03 pm

1 stop10h 58m

Denver Intl

Mon 11/9

11:59 pm-2:16 pm

1 stop11h 17m

$172

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 10/2

7:00 am-3:37 pm

1 stop10h 37m

Denver Intl

Mon 10/5

7:12 pm-9:35 am

1 stop12h 23m

$196

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 11/13

3:55 am-9:30 am

1 stop8h 35m

Denver Intl

Thu 1/21

11:35 am-11:59 pm

1 stop9h 24m

$407

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Sat 11/14

5:39 pm-10:59 pm

1 stop8h 20m

Denver Intl

Thu 1/21

11:35 am-11:59 pm

1 stop9h 24m

$407

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 9/24

6:00 am-1:05 pm

2 stops9h 05m

Denver Intl

Wed 9/30

8:35 am-9:10 pm

2 stops10h 35m

$416

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 11/12

6:35 am-2:00 pm

2 stops10h 25m

Denver Intl

Sun 11/15

12:30 pm-1:05 am

2 stops9h 35m

$416

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 2/4

7:15 pm-12:45 pm

1 stop20h 30m

Denver Intl

Sun 2/7

11:35 am-11:59 pm

1 stop9h 24m

$483

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 11/12

7:00 am-2:34 pm

1 stop10h 34m

Denver Intl

Sat 11/21

11:59 pm-7:35 pm

1 stop16h 36m

$507
Quickest round-trip

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Thu 10/15

2:00 pm-6:19 pm

Nonstop6h 19m

Denver Intl

Thu 10/29

9:46 am-5:25 pm

Nonstop5h 39m

$577

San JuanDenver

SJU San Juan Luis Munoz Marin Intl - DEN Denver Intl

SJUDEN

San Juan Luis Munoz Marin Intl

Fri 11/6

2:21 pm-6:07 pm

Nonstop6h 46m

Denver Intl

Wed 11/11

9:46 am-6:25 pm

Nonstop5h 39m

$577

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?

Prices are currently low for flights on this route.

Typical prices usually range from $416 to $516.
The lowest price recently found on this route was $289.

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 $463, 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 August to fly from San Juan, when ticket prices are also cheap, with an average price of $466.

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 $538. 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 $1,000.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $643. Flights in the morning are often more expensive with an average ticket price of $968.

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 $537 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 $375 on momondo.

What cabin class options are available on San Juan to Denver flights?

There are 4 cabin classes available to choose from on San Juan to Denver 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 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
7.8
8,499 reviews
Search Delta flights
JetBluePriceFrom $195Free CancellationRating
7.1
3,030 reviews
Search JetBlue flights
FrontierPriceFrom $203Free CancellationRating
5.6
2,719 reviews
Search Frontier flights
American AirlinesPriceFrom $207Free CancellationRating
7.1
11,892 reviews
Search American Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,216 reviews
Search Southwest flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
10,089 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
Boulder
Westminster
Longmont
Manitou Springs
Lakewood
Greeley
Keystone
Thornton
Cripple Creek
Centennial
Littleton
Englewood
Frisco
Winter Park
Golden

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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