Cheap flights from Denver (DEN) to San Juan (SJU)

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How to find the cheapest flight from
Denver (DEN) to San Juan (SJU)

All the information you need to plan the best DEN to SJU flight in 2021: compare Denver to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.
DEN - PR1
Price
$186 - $574
PR1
Temperature
77 - 82.4 °F
PR1
Precipitation
2.2 - 6.1 inches

Popular in

December

High demand for flights, 49% potential price rise

Cheapest in

August

Best time to find cheap flights, 37% potential price drop

Round-trip from

$186

From Denver Intl to San Juan

One-way from

$82

One-way flight from Denver Intl to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Denver to San Juan?

To save up to 8% on this flight, we recommend booking at least 14 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Denver to San Juan from $247 1-2 weeks out and tickets from $284 for flights departing within the next 72 hours.

When is the cheapest time to fly from Denver to San Juan (DEN - PR1)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to San Juan as you normally would.

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

August can be a great time to fly to San Juan from Denver with a flight ticket averaging about $294. Cheapflights users have found deals in the month of August for as cheap as $136. The most expensive prices can be found in the month of December.

Cheap flights from Denver to San Juan in October, November 2021

The best prices found for DEN to SJU flights for October, November
30 Nov - 11 Dec
$92pp
DEN
Denver Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
DEN
Denver Intl
16 Nov - 1 Dec
$97pp
DEN
Denver Intl
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
   
2 STOPS
DEN
Denver Intl
17 Nov - 1 Dec
$99pp
DEN
Denver Intl
Spirit Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
   
2 STOPS
DEN
Denver Intl

Denver Intl to San Juan 2021 flight deals

Cheap flights to San Juan from Denver found for this year
30 Nov - 11 Dec
$92pp
DEN
Denver Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
DEN
Denver Intl
4 Dec - 7 Dec
$93pp
DEN
Denver Intl
Spirit Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
   
2 STOPS
DEN
Denver Intl
1 Dec - 3 Dec
$94pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
   
2 STOPS
DEN
Denver Intl

Last minute flights from Denver to San Juan

Late deals on round-trip flights to San Juan from Denver, departing today and this week
25 Oct - 1 Nov
$115pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
   
2 STOPS
DEN
Denver Intl
26 Oct - 30 Oct
$116pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl
26 Oct - 3 Nov
$122pp
DEN
Denver Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
   
2 STOPS
DEN
Denver Intl

One-way flights to San Juan from Denver

The cheapest one-way flights from Denver to San Juan
10:32 am - 7:09 pm
Multiple Airlines
1 Stop
29h 37m
DEN - SJU
Multiple Airlines
$82
Kiwi.com
8:49 pm - 8:44 am
Frontier
1 Stop
10h 55m
DEN - SJU
Frontier
$85
Kiwi.com
10:32 am - 8:37 am
Spirit Airlines
2 Stops
19h 05m
DEN - SJU
Spirit Airlines
$90
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">San Juan</span> flights.

Flight FAQs

From Denver to San Juan

What airport do you fly from for flights from Denver to San Juan?

If you book a flight to San Juan from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There is 1 flight from Denver Intl to San Juan per day from 6 different airlines.

Which airlines flying from Denver Intl to San Juan have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, American Airlines, and United Airlines flying from Denver Intl to San Juan have implemented new flexible cancellation policies.

Can I find flights from Denver to San Juan for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to San Juan for under $100. The cheapest flight booked recently is on Frontier for just $92, but on average you can expect to pay $107.

Are there last-minute flights available from Denver to San Juan for under $200?

There are currently 20+ open flights from Denver to San Juan within the next 7 days for less than $200.

What are the cheapest airlines flying from Denver to San Juan round-trip?

Frontier, at $92, was found to be the cheapest airline from Denver to San Juan. An alternate airline flying to your destination would be Spirit Airlines. Users have found that Frontier is 68% cheaper than the other options available to this destination.

What are the cheapest flights from Denver to San Juan?

The cheapest flight price from Denver to San Juan is $89. On average you can expect to pay $805. The most popular route, (Denver Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $92.

What are the most popular airlines that fly from Denver to San Juan?

Consider Major Airline, American Airlines or JetBlue when booking your flight. These represent the most popular airlines when flying from Denver to San Juan.

COVID Restrictions

View COVID Travel Restrictions for San Juan, Puerto Rico

Do I need a COVID test to fly to San Juan from Denver?

Information is based on travel restrictions from Denver Intl to San Juan

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Juan.

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to San Juan.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering San Juan.

Documents
Travel Declaration Form - Must be completed prior to travel to Puerto Rico.


Do I need a test to fly back to Denver from San Juan?

Returning to Denver Intl from San Juan

COVID-19 testing requirements
Visitors from San Juan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from San Juan are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for San Juan, Puerto Rico

Alternative routes for Denver to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Juan

Things to know before you go - useful duration and weather info for your trip from Denver to San Juan.
Today's exchange rate
$1 = $1.00
Average temperature for October in San Juan
87.8 °F
Avg rainfall for October in San Juan
5.8 ″

Airports servicing Denver

Airports servicing San Juan

San Juan Isla Grande (SIG)

Top 6 airlines flying from Denver Intl to San Juan

The chart below displays the airlines Cheapflights users traveling from Denver to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$144 $326 No cancel fee 65%
Frontier
$150 $384 No cancel fee 62%
Delta
$155 $460 No cancel fee N/A
United Airlines
$162 $426 No cancel fee 69%
American Airlines
$178 $509 No cancel fee 71%
JetBlue
$198 $406 No cancel fee 62%

Hourly flight availability from Denver to San Juan

See what time of day planes typically take off from Denver towards San Juan.
Early morning Midnight to 6 AM 50% of DEN to SJU departures
Afternoon Noon to 6 PM 50% of DEN to SJU departures
Morning 6 AM to noon 0% of DEN to SJU departures
Evening 6 PM to midnight 0% of DEN to SJU departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to San Juan
See how many times per day planes take to the skies headed from Denver to San Juan.
Sunday
0 flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
0 flights
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