Cheap Flights from San Juan to Denver

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Flight deals from San Juan to Denver

Looking for a cheap last-minute deal or the best return flight from San Juan to Denver? If you want to travel next month, return fares start from Rs65,291. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Juan to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan to Denver flights are currently cheapest in April.

Direct flights from San Juan to Denver

San Juan to Denver: Flight information

The things to know before you go.
Cheapest flight foundRs28,303
Cheapest month to flyApril
Average flight time6 hrs, 32 mins
Most popular airlineUnited
Average flights per week44

Finding cheap flights from San Juan to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from San Juan to Denver is Rs65,291. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 32 minutes is the average flight time from San Juan to Denver.
United flies direct from San Juan to Denver.
As of March 2026, there are 44 flights per week flying from San Juan to Denver.
The cheapest month to fly from San Juan to Denver is usually April.
If you're flying from San Juan, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from Rs65,291.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to Denver on Wednesday, 8 April 2026.
Yes – the average flight time is 6 hours and 32 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
The cheapest airline that flies to Denver is Frontier Airlines. And the cheapest airline that flies to Broomfield Airport is United.

Flying from San Juan to Denver: what you need to know

  • San Juan's main base, Luis Munoz Marin International Airport (SJU), is where many great holidays begin. Explore the departure options from here when searching for a flight from San Juan to Denver.

  • Touch down at Denver International Airport (DEN), the primary gateway of Denver.

  • The average duration of a direct San Juan to Denver flight is 6 hours 35 minutes.

  • Denver's timezone is UTC-6, which makes Denver two hours behind San Juan.

  • Luis Munoz Marin International Airport (SJU) to Denver International Airport (DEN) is the most popular route that connects these two cities. There are six weekly flights to pick from. If you have things to do before leaving, the last flight from San Juan to Denver is with United Airlines at 14:25. Go for the first SJU to DEN departure operated by United Airlines at 13:25 to fit in more activities on your first day in Denver.

  • To ensure you make your San Juan to Denver flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule to follow.

  • Be prepared for longer queues during popular months like July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a wise move.

How to find the cheapest flights from San Juan to Denver

  • At the moment, Rs28,350 is the lowest price we've found for a one-way ticket from San Juan to Denver. The cheapest price for a return flight is Rs65,291. Remember fares may change due to demand at the time of booking.

  • Book two months before you travel. Pricing trends suggest that this is the ideal window for finding cheap San Juan to Denver flights.

  • May is the best month for picking up an incredible deal on a plane ticket from San Juan to Denver. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as a better deal is available on cheap flights from San Juan to Denver.

  • Save money on your San Juan to Denver flight with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from San Juan

Luis Munoz Marin International Airport (SJU)

  • Take off from Luis Munoz Marin International Airport (SJU) on a nonstop flight from San Juan to Denver. From SJU, you can fly directly to Denver International Airport (DEN).

  • United Airlines is a popular airline that offers direct San Juan to Denver plane tickets from SJU.

  • A stopover is the perfect opportunity to break up your journey — and possibly even explore another city. When browsing San Juan to Denver flights departing from Luis Munoz Marin International Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Orlando International Airport (MCO)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Tampa International Airport (TPA)

  • Located around 6 kilometres from the centre of San Juan, SJU can be reached in about 10 minutes by car, depending on traffic. The journey on public transport will take roughly 55 minutes.

  • Searching for a convenient hotel near Luis Munoz Marin International Airport? If you've booked an early flight from San Juan to Denver, these stays will have you moments from your departure gate:

  • When it comes to Luis Munoz Marin International Airport's on-time performance, data shows 73.65% of flights complete their journey on time.

Arriving in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) is approximately 29 kilometres from the centre of Denver. If you're catching a cab or a ride-share, the drive takes around 35 minutes.

  • It usually takes 1 hour 30 minutes to get there when travelling by public transport.

  • Consider staying at The Westin Denver International Airport after your flight from San Juan to Denver. It's a quick drive from DEN and a comfortable option if you're eager to relax as soon as possible.

  • Get on the fast track to adventure by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's main sights.

  • To lock in the lowest price, reserve your vehicle from Denver International Airport around one week ahead of your San Juan to Denver flight.

  • The street address for DEN is 8500 Pena Boulevard.

Best time to go to Denver

  • April is the quietest month for flights from San Juan to Denver, while July is the busiest. Figure out the ideal time to visit Denver based on whether you like a lively atmosphere or a more laid-back vibe.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC and 32ºC. Book your San Juan to Denver ticket then if this is the type of weather you enjoy.

  • If you like cooler conditions, search for a cheap flight from San Juan to Denver in January when temperatures average between -9ºC and 7ºC.

More about Denver

Explore more of United States

  • Denver is easy to fall in love with, but there are so many other corners of United States just waiting to be discovered. Around 105 kilometres south of Denver, a visit to Colorado Springs will keep your itinerary packed. Start with leading attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Around 13 kilometres east of Denver, Aurora is another essential stop in United States. Experience major highlights starting with Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.