Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Denver to San Juan
The cheapest flights right now
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 41m MCO
Return – Nov 19, 2026
1 stop
8h 46m TPA
$430
3 days ago
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 41m MCO
Return – Nov 19, 2026
1 stop
11h 35m MCO
$456
3 days ago
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 41m MCO
Return – Nov 19, 2026
1 stop
11h 40m MCO
$450
3 days ago
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 57m MCO
Return – Nov 19, 2026
1 stop
8h 46m TPA
$496
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$264
Average price of a round trip
$307
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
21h27
A flight from Denver to San Juan takes on average 21h27.
Best time
September
According to user searches, the ideal month to go to San Juan is September.
The best flight deals for a week
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 41m MCO
Return – Nov 19, 2026
1 stop
8h 46m TPA
$430
3 days ago
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 41m MCO
Return – Nov 19, 2026
1 stop
11h 35m MCO
$456
3 days ago
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 41m MCO
Return – Nov 19, 2026
1 stop
11h 40m MCO
$450
3 days ago
Denver – San Juan
Outbound – Nov 12, 2026
1 stop
8h 57m MCO
Return – Nov 19, 2026
1 stop
8h 46m TPA
$496
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Denver to San Juan
Check out our tips for booking your flight to San Juan (Puerto Rico) from Denver (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $307 (calculation over the last two years). The most touristic season corresponds to the months of October, November and January.
For the cheapest flights, it is advisable to buy your ticket at least 28 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to San Juan costs on average $307.
The airlines that offer the most flights are .
Price of flight tickets from Denver to San Juan
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $264 to $342
- The average price of a flight ticket is about $307
- Prices are lowest for stays in the month of October
- The month in which booking a ticket is cheaper is: October
info departure city :
Denver, USA
airports :
Denver International Airport (DEN)
Rocky Mountain Airport (BJC)
Centennial Airport (APA)
local time :
Denver is a city in the country USA, the time zone is [[timezone]]. In Denver, it is currently {fromLocalTime}, the temperature is on average 16°C, with a minimum of 12°C and a maximum of 23°C.
The city of Denver has 3 airport(s): Denver, Rocky Mountain and Centennial
destination info :
San Juan, Puerto Rico
airports :
Luis Muñoz Marín International Airport (SJU)
Fernando Luis Ribas Dominicci Airport (SIG)
local time :
San Juan is in the country Puerto Rico, the time zone is [[timezone]]. In San Juan, it is currently {toLocalTime}, the temperature is on average 27°C, with a minimum of 26°C and a maximum of 30°C.
The city of San Juan has 2 airport(s): Luis Muñoz Marín and Fernando Luis Ribas Dominicci
Useful info about San Juan
What is the least touristic period to go to San Juan?
If you want to visit San Juan during the least touristic period, choose the month of September.
What is the most popular time to travel to San Juan?
In San Juan, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Denver to San Juan?
According to our data, it is recommended to book your flight 28 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Denver to San Juan is Friday.
What are the arrival and destination airports when traveling between Denver and San Juan?
When you leave, you can leave from Denver, and you will arrive at Luis Muñoz Marín.
How to reach Denver airport from the city centre?
The airport Denver is located 34 km, Rocky Mountain is located 21 km or Centennial is located 21 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Denver to San Juan?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Denver and San Juan?
In summer, the average temperature is 28°C in San Juan and 22°C in Denver. The average rainfall in summer is 79 mm in San Juan and 50 mm in Denver. In summer, it is warmer in San Juan and it rains less in Denver. In winter, it is colder in San Juan and it rains more in San Juan.
