Cheap flights from Denver to San Juan from $111
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Juan departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Denver to San Juan
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 cheapest month to fly to San Juan?
If you’re not able to fly to San Juan in September, then October is your next best option. Flight prices from Denver to San Juan during October average around $304.
What is the cheapest day to depart on your flight to San Juan?
The cheapest day to depart from Denver to San Juan is on a Thursday when prices can be found for as low as $647. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $750.
What is the cheapest time of day to depart on your flight to San Juan?
The cheapest time of day to fly to San Juan is in the afternoon when flights can be purchased for as low as $288. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $681 on average. Flights to San Juan from Denver in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Denver Intl to San Juan flight route?
Fly from Denver Intl to San Juan Luis Munoz Marin Intl for the best Denver Intl - San Juan flight prices
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Denver when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $448 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Denver for as low as $335 on momondo.
What cabin class options are available on Denver Intl to San Juan flights?
There are 4 cabin classes available to choose from on Denver Intl to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Denver Intl to San Juan?
Frontier, Southwest, and JetBlue are the most popular carriers operating from Denver Intl to San Juan
What airlines fly to San Juan?
Frontier, United Airlines and American Airlines are the top three most popular airlines that fly to San Juan from Denver according to our data. Frontier is the first choice among our users, with 47% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 6 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
How many flights depart from Denver to San Juan on average per week?
As of June 2025, there are 3 flights per week flying from Denver to San Juan. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.
Cheap Denver to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to San Juan
How far is Denver Intl to San Juan by plane?
A flight from Denver Intl to San Juan will travel around 2735.5 mi. By plane, this route typically takes 7h 39m.
When did momondo last update prices for flights from Denver Intl Airport to San Juan?
Prices for flights from Denver Intl Airport to San Juan are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to San Juan?
There are 6 operators available for flights from Denver Intl Airport to San Juan as of June 2025.
How old do you have to be to fly from Denver Intl Airport to San Juan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The required travel and health documents for your San Juan 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 San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Denver to San Juan
Compare and see reviews for airlines that fly from Denver to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $128 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $272 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $466 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $474 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $474 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $485 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Denver to San Juan?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to San Juan. momondo saves you time and could save you money on your trip.
Can I find flights from Denver to San Juan with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Juan from Denver which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Denver to San Juan?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Denver.
I’m not ready to book a flight from Denver to San Juan right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Juan from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.