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

Return flight: San Juan – Denver

On Cheapflightsplus.com you will find 1 direct and 182 connecting flights from Denver to San Juan. You can compare airfare deals from 8 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).
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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
06:15 — 23:59
15:54 — 21:17 F92746 Frontier Airlines
Denver — Tampa
8h 22m stop
20:04 — 23:59 F93980 Frontier Airlines
Tampa — San Juan
14h 44m
including layover
Find flight
from$92
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
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from$71
07:49 — 15:38
+1 day
07:49 — 11:20 UA288 United Airlines
Denver — Chicago
21h 40m stop
09:00 — 15:38 UA1996 United Airlines
Chicago — San Juan
28h 49m
including layover
Find flight
from$416
10:25 — 22:22
10:18 — 15:39 UA2087 United Airlines
Denver — Washington D.C.
1h 46m stop
17:35 — 22:22 UA2025 United Airlines
Washington D.C. — San Juan
8h 57m
including layover
Find flight
from$419
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
11:15 — 01:59
+1 day
11:15 — 17:09 F91520 Frontier Airlines
Denver — Miami
5h 8m stop
22:17 — 01:59 F92284 Frontier Airlines
Miami — San Juan
11h 44m
including layover
Find flight
from$197
12:23 — 23:57
09:20 — 14:45 F92746 Frontier Airlines
Denver — Tampa
2h 11m stop
20:00 — 23:55 F92216 Frontier Airlines
Tampa — San Juan
8h 34m
including layover
Find flight
from$212
12:45 — 06:12
+1 day
12:45 — 16:16 UA514 United Airlines
Denver — Houston
7h 38m stop
23:54 — 06:12 UA1497 United Airlines
Houston — San Juan
14h 27m
including layover
Find flight
from$418
13:50 — 02:52
+1 day
11:19 — 17:07 F93312 Frontier Airlines
Denver — Orlando
3h 28m stop
23:00 — 02:52 F94726 Frontier Airlines
Orlando — San Juan
10h 2m
including layover
Find flight
from$155
13:50 — 10:10
+1 day
11:19 — 17:07 F93312 Frontier Airlines
Denver — Orlando
10h 43m stop
06:15 — 10:10 F92250 Frontier Airlines
Orlando — San Juan
17h 20m
including layover
Find flight
from$155
14:46 — 11:23
+1 day
14:46 — 20:43 F91280 Frontier Airlines
Denver — Miami
11h 2m stop
07:45 — 11:23 F93378 Frontier Airlines
Miami — San Juan
17h 37m
including layover
Find flight
from$89
15:19 — 02:32
+1 day
15:19 — 20:41 F93266 Frontier Airlines
Denver — Philadelphia
1h 1m stop
21:42 — 02:32 F94462 Frontier Airlines
Philadelphia — San Juan
8h 13m
including layover
Find flight
from$158
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
17:35 — 09:52
+1 day
17:35 — 23:22 F94584 Frontier Airlines
Denver — Orlando
6h 38m stop
06:00 — 09:52 F92250 Frontier Airlines
Orlando — San Juan
13h 17m
including layover
Find flight
from$90
17:35 — 13:58
+1 day
17:35 — 23:22 F94584 Frontier Airlines
Denver — Orlando
10h 40m stop
10:02 — 13:58 F91824 Frontier Airlines
Orlando — San Juan
17h 23m
including layover
Find flight
from$90
19:21 — 09:53
+1 day
19:21 — 01:04 F94920 Frontier Airlines
Denver — Orlando
4h 56m stop
06:30 — 10:23 F91824 Frontier Airlines
Orlando — San Juan
11h 32m
including layover
Find flight
from$190
19:42 — 10:37
+1 day
06:00 — 11:44 F94920 Frontier Airlines
Denver — Orlando
5h 18m stop
06:15 — 10:10 F92250 Frontier Airlines
Orlando — San Juan
11h 55m
including layover
Find flight
from$90
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
16:55 — 20:21
+1 day
16:55 — 19:35 KG3923 Aerogaviota
Denver — Watertown
13h 10m stop
08:45 — 10:25 KG3911 Aerogaviota
Watertown — Chicago
3h 19m stop
13:44 — 20:21 NK172 Spirit Airlines
Chicago — San Juan
24h 26m
including layover
Find flight
from$306
16:55 — 20:21
+1 day
16:55 — 19:35 KG3919 Aerogaviota
Denver — Watertown
13h 10m stop
08:45 — 10:25 KG3911 Aerogaviota
Watertown — Chicago
3h 19m stop
13:44 — 20:21 NK172 Spirit Airlines
Chicago — San Juan
24h 26m
including layover
Find flight
from$306
18:40 — 19:36
+1 day
18:40 — 21:36 SY658 Sun Country Airlines
Denver — Minneapolis
11h 31m stop
09:07 — 10:55 SY259 Sun Country Airlines
Minneapolis — Chicago
2h 5m stop
13:00 — 19:36 NK491 Spirit Airlines
Chicago — San Juan
21h 56m
including layover
Find flight
from$253
18:40 — 17:43
+1 day
18:40 — 21:36 SY658 Sun Country Airlines
Denver — Minneapolis
8h 44m stop
06:20 — 11:00 SY415 Sun Country Airlines
Minneapolis — Miami
3h 15m stop
14:15 — 17:43 NK1844 Spirit Airlines
Miami — San Juan
20h 3m
including layover
Find flight
from$308
20:50 — 00:36
+2 days
20:50 — 00:22 UA377 United Airlines
Denver — Chicago
10h 23m stop
10:35 — 13:50 UA593 United Airlines
Chicago — Newark
5h 41m stop
19:41 — 00:36 UA1543 United Airlines
Newark — San Juan
24h 46m
including layover
Find flight
from$393
20:52 — 00:36
+2 days
20:52 — 00:15 UA2179 United Airlines
Denver — Houston
9h 35m stop
09:50 — 14:20 UA731 United Airlines
Houston — Newark
5h 21m stop
19:41 — 00:36 UA1543 United Airlines
Newark — San Juan
24h 44m
including layover
Find flight
from$322
*Departure and arrival times - local. Updated on April 4, 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 00:50 to 23:59 from 2 Denver airports and arrive 00:50 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 00:50
  • The latest flight 23:59
  • Distance 2732 ml

The cheapest months to travel to San Juan are january (from 71 $), november (from 75 $), december (from 92 $).

The most expensive months are february (from 112 $), december (from 92 $), 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
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Business class
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First class
?
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Popular Airlines on the Route

The flight Denver — San Juan is served by 8 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Air Canada - 9 departures per week at the price of from $ 633 . And the most expensive tickets are offered by Air Canada airline - from $ 2947.

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 182 flights with layovers on the route. The fastest connecting flight is F93312 by Frontier Airlines takes 7h 21m and the cheapest is F91450 by Frontier Airlines for $71.

  • AC - Air Canada
    from $633
    Find
  • AS - Alaska Airlines
    from $1052
    Find
  • F9 - Frontier Airlines
    from $71
    Find
  • SY - Sun Country Airlines
    from $253
    Find
  • Y4 - Volaris
    from $575
    Find
  • KG - Aerogaviota
    from $306
    Find
  • UA - United Airlines
    from $322
    Find
  • AM - Aeromexico
    from $579
    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.

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