DEN - SJU

$111 Find Cheap Flights from Denver to San Juan - Compare and Save

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Everything you should know

Cheapest round-trip
$375
Typical prices: $404-$709
Frontier
Thu 12/13Thu 12/20
DEN - SJU • 2 stops
Cheapest non-stop
$627
Typical prices: $621-$879
United Airlines
Thu 12/13Fri 12/21
DEN - SJU • Non-stop
Nonstop flights
Every day
You can fly direct with United Airlines. Average duration is 5h 39m
Direct flights
+1
Direct flights
+1
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 12% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 26% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Philadelphia (PHL)
Cheapest • Avg $354 (round-trip)
Lambert-St Louis (STL)
Shortest trip • 7h 56m (one-way)
Insights
Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Denver to San Juan (DEN-SJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to San Juan

Sun, Dec 13 - Sun, Dec 20
Frontier Logo
7:10 am - 2:13 amDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
40h 03m2 stops Dallas/Fort Worth Orlando
Frontier Logo
10:26 pm - 9:09 amSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
13h 43m1 stop Chicago O'Hare Intl
$375Frontier
Tue, Feb 2 - Sun, Feb 7
Frontier Logo
7:31 pm - 12:37 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
14h 06m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Frontier Logo
6:27 am - 9:40 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
18h 13m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
$375Frontier
Sat, Feb 13 - Fri, Feb 19
Multiple Airlines Logo
9:17 pm - 2:04 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
13h 47m1 stop Minneapolis St Paul
Multiple Airlines Logo
2:41 am - 3:54 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
16h 13m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
$418Multiple Airlines
Sat, Feb 13 - Fri, Feb 19
Multiple Airlines Logo
9:17 pm - 2:04 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
13h 47m1 stop Minneapolis St Paul
Multiple Airlines Logo
2:41 am - 3:54 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
16h 13m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
$424Multiple Airlines
Tue, Apr 20 - Wed, Apr 21
Southwest Logo
11:15 am - 11:45 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
10h 30m2 stops Nashville Intl Orlando
Southwest Logo
5:05 am - 2:30 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
11h 25m2 stops Baltimore/Washington Grand Rapids Gerald R. Ford Intl
$511Southwest
Tue, Apr 20 - Wed, Apr 21
Southwest Logo
11:30 am - 11:45 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
10h 15m2 stops Dallas Love Field Orlando
Southwest Logo
5:35 am - 11:35 amSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
8h 00m1 stop Orlando
$511Southwest
Sat, Apr 3 - Sat, Apr 10
JetBlue Logo
11:15 pm - 3:23 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
14h 08m1 stop Boston Logan Intl
JetBlue Logo
5:10 am - 10:13 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
19h 03m1 stop Boston Logan Intl
$539JetBlue
Fri, Jan 29 - Thu, Feb 4
JetBlue Logo
12:50 pm - 1:54 amDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
10h 04m1 stop New York John F Kennedy Intl
JetBlue Logo
6:01 am - 1:12 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
10h 11m1 stop Boston Logan Intl
$557JetBlue
Sun, Dec 13 - Mon, Dec 21
United Airlines Logo
9:46 am - 6:25 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
5h 39mnonstop
United Airlines Logo
6:35 am - 10:17 amSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
6h 42mnonstop
$627United Airlines
Mon, Mar 1 - Mon, Mar 8
United Airlines Logo
9:46 am - 6:25 pmDEN  Denver Intl-SJU San Juan Luis Munoz Marin Intl
5h 39mnonstop
United Airlines Logo
2:21 pm - 6:07 pmSJU  San Juan Luis Munoz Marin Intl-DEN Denver Intl
6h 46mnonstop
$627United Airlines
Booking Insights

Price, demand and travel trends for Denver to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Denver to San Juan Luis Munoz Marin Intl Airport?

Round-trip flights from Denver to San Juan Luis Munoz Marin Intl Airport typically range from $404 to $709. The lowest price found in the past 5 days was $375, on Frontier.

What's the cheapest day of the week to fly from Denver to San Juan Luis Munoz Marin Intl Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Denver to San Juan Luis Munoz Marin Intl Airport. It’s 13% cheaper than the average day, while Friday is the most expensive, with prices 6% higher.

What’s the cheapest month to fly from Denver to San Juan Luis Munoz Marin Intl Airport?

•April is the cheapest month to fly from Denver to San Juan Luis Munoz Marin Intl Airport at $412 round-trip.
•December ($687) and November ($662) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Denver to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Denver to San Juan Luis Munoz Marin Intl Airport are cheapest 4 weeks before departure. Booking in this window typically costs about 12% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Denver to San Juan

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Key details for Denver to San Juan Luis Munoz Marin Intl Airport flights

Low season

September

Cheapest flight

$111
Beat the crowds with an average 57% drop in travelers.
The most popular month to fly with an average 42% increase in travelers.
One-way flight from Denver to San Juan Luis Munoz Marin Intl Airport

When to book flights from Denver to San Juan

Are your dates flexible? Find out the best times to travel from Denver to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Denver to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Denver to San Juan Luis Munoz Marin Intl Airport?

    These are the earliest and latest flight times currently scheduled from Denver to San Juan Luis Munoz Marin Intl Airport:

    • Earliest: departs at 9:46 am and lands at 3:25 pm
    • Latest: departs at 8:45 pm and lands at 2:24 am.

    The flight takes about 5h 39m.

  • What cabin classes can I book on flights from Denver to San Juan Luis Munoz Marin Intl Airport?

    Four cabin classes are available on flights from Denver to San Juan Luis Munoz Marin Intl Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Denver to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Denver to San Juan Luis Munoz Marin Intl Airport takes about 5h 39m, covering 2,730 miles.

  • Do I need a passport to fly from Denver to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Denver to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Denver to San Juan Luis Munoz Marin Intl Airport range from $404 to $709, with an average of $558 over the past 12 months. Anything below $404 counts as a good deal.

  • How expensive are last-minute Denver to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) are 4% below the route average of $558. Booking late can sometimes save you money, but inventory is limited.

  • How much can I save by taking a layover when flying from Denver to San Juan Luis Munoz Marin Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $354 round-trip via Philadelphia (PHL), compared to $723 for nonstop.

  • What is the standard checked-bag allowance on flights from Denver to San Juan Luis Munoz Marin Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Denver to San Juan Luis Munoz Marin Intl Airport?

    The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • How are flight departures from Denver to San Juan Luis Munoz Marin Intl Airport spread across the day?

    Flights between Denver and San Juan Luis Munoz Marin Intl Airport typically depart in the morning.

  • How are flight prices from Denver to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Denver to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $256, which is 5% below the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates averaging $41 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Hertz
    • Payless
    • Europcar

  • Which airports can I use when flying from Denver to San Juan Luis Munoz Marin Intl Airport?

    Flights from Denver to San Juan Luis Munoz Marin Intl Airport usually depart from Denver Intl (DEN) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airports do connecting flights from Denver to San Juan Luis Munoz Marin Intl Airport pass through?

    One-stop flights from Denver to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

    • Orlando (MCO) - 64% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 10% of one-stop connections
    • Miami (MIA) - 7% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to San Juan Luis Munoz Marin Intl Airport?

    Yes. Flexible dates can save you up to 18% on flights from Denver to San Juan Luis Munoz Marin Intl Airport. Tuesday is the cheapest departure day at $488 round-trip on average, while Friday is the most expensive at $593, a difference of $105.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Denver to San Juan Luis Munoz Marin Intl Airport?

    Only United Airlines currently operates flights between Denver and San Juan Luis Munoz Marin Intl Airport on a regular basis.

  • How much time can I save by choosing a different layover airport from Denver to San Juan Luis Munoz Marin Intl Airport?

    Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 7h 56m, compared with 8h 08m via Fort Lauderdale (FLL) and 8h 43m via Raleigh-Durham (RDU).

  • What is the time difference between Denver and San Juan Luis Munoz Marin Intl Airport?

    San Juan Luis Munoz Marin Intl Airport is 3 hours ahead of Denver (Atlantic Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Puerto Rico Convention Center and Condado Beach. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

  • Which airlines offer free seat selection on Denver to San Juan Luis Munoz Marin Intl Airport flights?

    Only United Airlines currently offers free seat selection on this route. Availability depends on fare class.

  • Which airlines offer extra legroom on Denver to San Juan Luis Munoz Marin Intl Airport flights?

    Only United Airlines currently offers extra legroom on this route. Availability can vary by aircraft type and fare class.

  • Which airlines include bags at no extra cost on Denver to San Juan Luis Munoz Marin Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Denver to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $488, about $105 less than Friday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 4 weeks before you fly. On this route, that window historically saves about 12% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to San Juan Luis Munoz Marin Intl Airport trip for April. Fares historically average $412 round-trip in that month - typically $275 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Philadelphia Airport (PHL) can be cheaper than flying direct. The cheapest layover option averages $354 round-trip on this route - about $369 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.

    • Coral by The Sea Hotel
    • San Juan Airport Hotel
    • Hampton Inn & Suites by Hilton San Juan

Prefer to fly direct from Denver to San Juan?

 
Find which airlines fly direct from Denver Intl Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to San Juan Luis Munoz Marin Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to Denver Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Denver to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan