Cheap Flights from Denver, CO to San Juan from $71

Return flight: San Juan – Denver

On Cheapflightsplus.com you will find 1 direct and 30 connecting flights from Denver to San Juan. You can compare airfare deals from 4 airlines and multiple travel sites from $71, book and save on cheap plane tickets and last minute offers. Also check out DEN-SJU flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Denver to San Juan Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $71 (one-way), $122 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Full flight schedule will help you in detecting at what time planes fly from Denver to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
09:46 — 18:25
09:46 — 18:25 UA1339 United Airlines
Denver — San Juan
5h 39m
Find flight
from$413
00:59 — 12:05
00:55 — 06:29 F91734 Frontier Airlines
Denver — Orlando
1h 15m stop
06:15 — 10:10 F92250 Frontier Airlines
Orlando — San Juan
8h 6m
including layover
Find flight
from$75
00:59 — 22:32
18:10 — 23:57 F91734 Frontier Airlines
Denver — Orlando
11h 44m stop
17:14 — 21:08 F93506 Frontier Airlines
Orlando — San Juan
18h 33m
including layover
Find flight
from$163
05:00 — 21:26
05:00 — 08:27 UA320 United Airlines
Denver — Houston
6h 33m stop
15:04 — 21:26 UA701 United Airlines
Houston — San Juan
13h 26m
including layover
Find flight
from$406
05:00 — 16:36
05:00 — 08:27 UA320 United Airlines
Denver — Houston
1h 43m stop
10:14 — 16:36 UA1192 United Airlines
Houston — San Juan
8h 36m
including layover
Find flight
from$419
06:00 — 22:22
06:00 — 11:23 UA1911 United Airlines
Denver — Washington D.C.
6h 17m stop
17:35 — 22:22 UA2025 United Airlines
Washington D.C. — San Juan
13h 22m
including layover
Find flight
from$394
06:45 — 22:47
17:05 — 22:06 F91450 Frontier Airlines
Denver — Atlanta
6h 5m stop
05:35 — 10:09 F92082 Frontier Airlines
Atlanta — San Juan
13h 2m
including layover
Find flight
from$71
07:45 — 21:26
07:45 — 11:13 UA1720 United Airlines
Denver — Houston
3h 49m stop
15:04 — 21:26 UA701 United Airlines
Houston — San Juan
10h 41m
including layover
Find flight
from$513
11:04 — 22:32
06:00 — 11:32 F93312 Frontier Airlines
Denver — Orlando
1h 28m stop
17:02 — 20:56 F93506 Frontier Airlines
Orlando — San Juan
8h 28m
including layover
Find flight
from$230
13:55 — 06:12
+1 day
13:55 — 17:25 UA316 United Airlines
Denver — Houston
6h 29m stop
23:54 — 06:12 UA1497 United Airlines
Houston — San Juan
13h 17m
including layover
Find flight
from$511
15:26 — 22:42
+1 day
11:00 — 16:17 F92440 Frontier Airlines
Denver — Raleigh
21h 7m stop
15:48 — 20:18 F91226 Frontier Airlines
Raleigh — San Juan
28h 16m
including layover
Find flight
from$118
15:40 — 06:12
+1 day
15:40 — 19:10 UA489 United Airlines
Denver — Houston
4h 44m stop
23:54 — 06:12 UA1497 United Airlines
Houston — San Juan
11h 32m
including layover
Find flight
from$418
17:13 — 10:45
+1 day
13:48 — 19:15 F92746 Frontier Airlines
Denver — Tampa
8h stop
11:00 — 15:07 F92542 Frontier Airlines
Tampa — San Juan
14h 32m
including layover
Find flight
from$112
17:20 — 06:12
+1 day
17:20 — 20:50 UA726 United Airlines
Denver — Houston
3h 4m stop
23:54 — 06:12 UA1497 United Airlines
Houston — San Juan
9h 52m
including layover
Find flight
from$419
19:30 — 06:12
+1 day
19:30 — 22:58 UA312 United Airlines
Denver — Houston
56m stop
23:54 — 06:12 UA1497 United Airlines
Houston — San Juan
7h 42m
including layover
Find flight
from$445
23:59 — 10:45
+1 day
23:59 — 05:31 F91114 Frontier Airlines
Denver — Tampa
1h 15m stop
11:00 — 15:07 F92542 Frontier Airlines
Tampa — San Juan
7h 46m
including layover
Find flight
from$89
23:59 — 16:28
+1 day
00:29 — 05:53 F91114 Frontier Airlines
Denver — Tampa
6h 58m stop
20:00 — 23:55 F92216 Frontier Airlines
Tampa — San Juan
13h 29m
including layover
Find flight
from$112
07:47 — 00:36
+1 day
07:47 — 11:20 UA1811 United Airlines
Denver — Chicago
2h 54m stop
14:14 — 17:27 UA1502 United Airlines
Chicago — Newark
2h 14m stop
19:41 — 00:36 UA1543 United Airlines
Newark — San Juan
13h 49m
including layover
Find flight
from$540
09:41 — 00:36
+1 day
09:41 — 13:15 UA2329 United Airlines
Denver — Chicago
2h 20m stop
15:35 — 18:50 UA702 United Airlines
Chicago — Newark
51m stop
19:41 — 00:36 UA1543 United Airlines
Newark — San Juan
11h 55m
including layover
Find flight
from$732
11:20 — 00:36
+1 day
11:20 — 14:54 UA598 United Airlines
Denver — Chicago
41m stop
15:35 — 18:50 UA702 United Airlines
Chicago — Newark
51m stop
19:41 — 00:36 UA1543 United Airlines
Newark — San Juan
10h 16m
including layover
Find flight
from$732
13:22 — 12:00
+1 day
13:22 — 18:20 AM659 Aeromexico
Denver — Mexico City
6h 40m stop
01:01 — 07:24 AM654 Aeromexico
Mexico City — Santo Domingo
3h 37m stop
11:00 — 12:00 DO975 Air Vallee
Santo Domingo — San Juan
19h 38m
including layover
Find flight
from$599
18:50 — 17:05
+1 day
18:50 — 21:46 SY658 Sun Country Airlines
Denver — Minneapolis
8h 28m stop
06:14 — 10:54 SY753 Sun Country Airlines
Minneapolis — Miami
2h 36m stop
13:30 — 17:05 NK1037 Spirit Airlines
Miami — San Juan
19h 15m
including layover
Find flight
from$375
*Departure and arrival times - local. Updated on March 3, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to San Juan depends on and how to choose the most interesting flight option for you.

Distance between Denver and San Juan is 4396 miles. Time difference between the cities is 3h. Airplanes depart 00:59 to 23:59 from 2 Denver airports and arrive 00:59 to 23:59 to 2 San Juan airports. Average flight time is 5h 39m.

  • The fastest flight 5h 39m
  • Average flight time 5h 39m
  • The earliest flight 00:59
  • The latest flight 23:59
  • Distance 2732 ml

The cheapest months to travel to San Juan are january (from 71 $), november (from 75 $), february (from 112 $).

The most expensive months are december (from 190 $), february (from 112 $), november (from 75 $).

What is the lowest airfare Denver to San Juan?

The cheapest plane ticket found by our users is $71. This airfare is for economy class on one-way F91450 flight by Frontier Airlines for February 21, 2025 which leaves Denver International in Denver at 06:45 am and arrives at San Juan Luis Munoz Marin Intl at 22:47.

Economy class
$71
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Denver — San Juan is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 9 departures per week at the price of from $ 71 . And the most expensive tickets are offered by United Airlines airline - from $ 732.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is UA1339 by United Airlines takes 5h 39m and the cheapest is F91450 by Frontier Airlines for $413.

  • UA - United Airlines
    from $413
    Find
See more direct flights

Connecting Flights

There are 30 flights with layovers on the route. The fastest connecting flight is UA312 by United Airlines takes 7h 42m and the cheapest is F91450 by Frontier Airlines for $71.

  • F9 - Frontier Airlines
    from $71
    Find
  • SY - Sun Country Airlines
    from $375
    Find
  • UA - United Airlines
    from $394
    Find
  • AM - Aeromexico
    from $599
    Find
See more connecting flights

Airports

You can fly from Denver to San Juan from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $71
    Find
  • Arapahoe Co-APA
    Find

San Juan airports

  • Isla Grande-SIG
    Find
  • Luis Munoz Marin Intl-SJU
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back