$303 Cheap United flights from Denver to San Juan (DEN to SJU)

Find The Best Day To Fly from Denver to San Juan

Amazing United DEN to SJU Flight Deals

The cheapest flights to Luis Munoz Marin Intl. found within the past 7 days were $486 round trip and $303 one way. Prices and availability subject to change. Additional terms may apply.

SJU From DEN Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
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Frequently asked questions

Can I catch a flight from DEN to SJU right now?
It's prudent to find out about any travel advice reports and quarantine requirements in effect in your destination city. Ensure you check out our Covid-19 Travel Advisor for up-to-date information on catching a flight to SJU from DIA airport.
What terminal is United Airlines at Denver Airport?
The information printed on tickets can vary between airlines. If you're traveling from DEN to Luis Munoz Marin Intl. Airport (SJU) with United Airlines and you can't find your terminal details, get in touch with the airline.
Are there United Airlines non-stop flights from DEN to SJU?
Unfortunately, there aren't any direct flights from DEN to Luis Munoz Marin Intl. Airport (SJU) with United Airlines. Prepare to make a stopover if you have to stick to this particular airline and route.
How long is a United Airlines flight from DEN to SJU?
Have a power nap and begin your getaway raring to go. You'll have more than enough time to do so when traveling with United Airlines between DEN and SJU, with the flight taking on average 7 hours and 47 minutes.
How many direct and indirect flights does United Airlines fly from DEN to SJU?
United Airlines is currently operating about 3 flights per day from Denver Intl. Airport (DEN) to SJU.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Luis Munoz Marin Intl. Airport (SJU), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Denver DEN to San Juan SJU 

To find the best deals on flights to Denver from San Juan with United, just enter your travel dates, filter by United, and hit search. You’ll find 1 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Denver DEN to San Juan SJU with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $486 to $486, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Denver DEN to San Juan SJU 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Denver to San Juan costs from $303. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to San Juan SJU from  Denver DEN with United 

To find a cheap United flight from Denver DEN to San Juan SJU, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Denver DEN to San Juan SJU 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as April, or if you book a flight with a stopover. 

 

Find nonstop flights from Denver DEN to San Juan SJU with United 

If you’re keen to be on San Juan soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 5 hour(s) 47 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Denver DEN to San Juan SJU 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to San Juan SJU from  Denver DEN with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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This eco-certified resort features a casino, a full-service spa, and a nightclub. Enjoy beachfront dining and relax with sun loungers and beach umbrellas. Enjoy ...
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Reviewed on Jul 11, 2025

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Embassy Suites by Hilton San Juan Hotel & Casino
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3.5 out of 5
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A casino, a 24-hour gym, and a restaurant are all featured at this smoke-free resort. There's fun for all ages with a children's pool and a playground, and barbecue ...
9/10 Wonderful! (3,642 reviews)
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Reviewed on Jul 11, 2025

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San Juan Airport Hotel
San Juan Airport Hotel
3 out of 5
LMM International Airport, Terminal D Airport Hotel (SJU), Carolina
This Art Deco hotel features 2 hot tubs, a 24-hour gym, and a restaurant. Traveling on business? Take advantage of the 24-hour business center and free WiFi ...
8.2/10 Very Good! (4,951 reviews)
Quick nap before an early flight
"Very convenient to sleep a couple of hours after a long day of work and before taking an early flight. Hotel is located in an empty terminal."

Reviewed on Jul 12, 2025

San Juan Airport Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.