Cheap Flights from Denver to San Juan from 156 € Return

Flight deals from Denver to San Juan

Looking for cheap tickets from Denver to San Juan, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

San Juan.156 € per passenger.Departing Tue, 3 Mar, returning Tue, 10 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 3 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 10 Mar, arriving in Denver International.Price includes taxes and charges.From 156 €, select.

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Flying from Denver to San Juan

Arm yourself with these facts on the fly.

Cheapest flight found	156 €
Cheapest month to fly	March
Average flight time	5 hrs, 45 mins
Cheapest airport to fly from	Denver International
Most popular airline	United

How to find cheap flights from Denver to San Juan

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Denver to San Juan. Other savvy travellers recently found return flights from 156 € and one-way tickets from 73 € one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Denver International into San Juan Luis Munoz Marin

At the moment, the lowest priced flight tickets to San Juan are from Denver International Airport to San Juan Luis Munoz Marin Airport.

Fly in March

We crunched the flight calendar and found the cheapest time to fly from Denver to San Juan is currently March.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Denver to anywhere you choose in San Juan.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Denver to San Juan go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the San Juan to San Juan flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Denver to San Juan flight price?

We looked at all of the upcoming return flights from Denver to San Juan we could find over the next 12 months. It looks like 156 € is the best price. This is good, compared to the average San Juan ticket price of 156 €.

What is the cheapest month to fly from Denver to San Juan?

The cheapest month to fly from Denver to San Juan is currently March.

Which upcoming date is cheapest to fly from Denver to San Juan on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to San Juan on Tuesday, 3 March 2026.

Are there any direct flights from Denver to San Juan?

Denver International Airport offers direct flights to San Juan.

If I'm flying from Denver, where in San Juan is cheapest to fly into?

If you're flying from Denver, the cheapest city in San Juan to fly into is San Juan. The cheapest airport serving San Juan at the moment is San Juan Luis Munoz Marin.