Cheap Flights from San Juan to Denver, CO from $132

Return flight: Denver – San Juan
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On Cheapflightsplus.com you will find 1 direct and 160 connecting flights from San Juan to Denver. You can compare airfare deals from 7 airlines and multiple travel sites from $132, book and save on cheap plane tickets and last minute offers. Also check out SJU-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Juan to Denver 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: $132 (one-way), $226 (round-trip).
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Best Flights from San Juan to Denver Today

Take a look at the list of non stop flights and flights with layovers from San Juan to Denver with the lowest price of $132. The fastest direct flight takes 6h 10m and the fastest connecting – 8h 11m.
Price Departure Arrival Flight Duration Airline Flight
from $382
Find flight
14:00
San Juan
Luis Munoz Marin Intl
 18:10
Denver
Denver International
 6h 10m United Airlines
UA1368
from $132
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17:43
San Juan
Luis Munoz Marin Intl
 23:56
Denver
Denver International
 8h 13m
layover
1h 0m - Tampa
 Frontier Airlines
F92215
F92745
from $165
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21:30
San Juan
Luis Munoz Marin Intl
 08:02+1 день
Denver
Denver International
 12h 32m
layover
5h 22m - Orlando
 Frontier Airlines
F91745
F91733
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 18, 2025
Full flight schedule will help you in detecting at what time planes fly from San Juan to Denver. 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
01:11 — 08:35
12:58 — 16:08 F91015 Frontier Airlines
San Juan — Philadelphia
1h 10m stop
20:38 — 22:56 F93339 Frontier Airlines
Philadelphia — Denver
9h 24m
including layover
Find flight
from$132
03:34 — 18:41
03:34 — 06:39 F91823 Frontier Airlines
San Juan — Orlando
9h 56m stop
06:00 — 08:02 F91733 Frontier Airlines
Orlando — Denver
17h 7m
including layover
Find flight
from$188
03:40 — 23:11
03:40 — 06:40 F91823 Frontier Airlines
San Juan — Orlando
14h 19m stop
20:59 — 23:11 F93311 Frontier Airlines
Orlando — Denver
21h 31m
including layover
Find flight
from$196
08:15 — 19:31
07:55 — 11:56 F92265 Frontier Airlines
San Juan — Baltimore
5h 10m stop
17:26 — 19:31 F92705 Frontier Airlines
Baltimore — Denver
13h 16m
including layover
Find flight
from$150
12:02 — 23:16
10:04 — 13:11 F92249 Frontier Airlines
San Juan — Orlando
5h 43m stop
20:59 — 23:11 F93311 Frontier Airlines
Orlando — Denver
13h 14m
including layover
Find flight
from$133
14:00 — 18:10
14:00 — 18:10 UA1368 United Airlines
San Juan — Denver
6h 10m
Find flight
from$382
16:54 — 19:17
+1 day
16:40 — 20:16 F91225 Frontier Airlines
San Juan — Raleigh
20h 53m stop
17:23 — 19:17 F92225 Frontier Airlines
Raleigh — Denver
28h 23m
including layover
Find flight
from$138
17:00 — 23:11
18:55 — 21:18 F94725 Frontier Airlines
San Juan — Orlando
43m stop
20:57 — 23:14 F93311 Frontier Airlines
Orlando — Denver
8h 11m
including layover
Find flight
from$178
17:15 — 08:21
+1 day
17:15 — 20:04 F92283 Frontier Airlines
San Juan — Miami
9h 56m stop
06:00 — 08:21 F91279 Frontier Airlines
Miami — Denver
17h 6m
including layover
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from$150
17:43 — 23:56
17:43 — 20:50 F92215 Frontier Airlines
San Juan — Tampa
1h stop
21:50 — 23:56 F92745 Frontier Airlines
Tampa — Denver
8h 13m
including layover
Find flight
from$132
17:43 — 08:56
+1 day
17:43 — 20:50 F92215 Frontier Airlines
San Juan — Tampa
10h 10m stop
10:20 — 12:19 F91113 Frontier Airlines
Tampa — Denver
17h 13m
including layover
Find flight
from$132
17:43 — 17:17
+1 day
17:43 — 20:50 F92215 Frontier Airlines
San Juan — Tampa
18h 17m stop
15:15 — 17:17 F93517 Frontier Airlines
Tampa — Denver
25h 34m
including layover
Find flight
from$138
21:30 — 08:02
+1 day
19:16 — 21:43 F91745 Frontier Airlines
San Juan — Orlando
5h 22m stop
06:20 — 08:44 F91733 Frontier Airlines
Orlando — Denver
12h 32m
including layover
Find flight
from$165
21:30 — 23:11
+1 day
19:16 — 21:43 F91745 Frontier Airlines
San Juan — Orlando
20h 21m stop
21:14 — 23:40 F93311 Frontier Airlines
Orlando — Denver
27h 41m
including layover
Find flight
from$171
21:44 — 08:28
+1 day
21:44 — 01:45 F93247 Frontier Airlines
San Juan — Philadelphia
4h 33m stop
06:15 — 08:28 F93339 Frontier Airlines
Philadelphia — Denver
12h 44m
including layover
Find flight
from$133
*Departure and arrival times - local. Updated on September 18, 2025

Flight Information

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

Distance between San Juan and Denver is 4396 miles. Time difference between the cities is 3h. Airplanes depart 01:05 to 23:59 from 2 San Juan airports and arrive 01:05 to 23:59 to 2 Denver airports. Average flight time is 6h 10m.

  • The fastest flight 6h 10m
  • Average flight time 6h 10m
  • The earliest flight 01:05
  • The latest flight 23:59
  • Distance 2732 ml

The cheapest months to travel to Denver are september (from 132 $), august (from 132 $), october (from 133 $).

The most expensive months are february (from 422 $), november (from 275 $), january (from 208 $).

What is the lowest airfare San Juan to Denver?

The cheapest plane ticket found by our users is $132. This airfare is for economy class on one-way F91015 flight by Frontier Airlines for September 27, 2025 which leaves Luis Munoz Marin Intl in San Juan at 01:11 am and arrives at Denver Denver International at 08:35.

Economy class
$132
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Business class
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First class
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Popular Airlines on the Route

The flight San Juan — Denver is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 20 departures per week at the price of from $ 132 . And the most expensive tickets are offered by Avianca airline - from $ 696.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is UA1368 by United Airlines takes 6h 10m and the cheapest is F91015 by Frontier Airlines for $382.

  • UA - United Airlines
    from $382
    Find
See more direct flights

Connecting Flights

There are 160 flights with layovers on the route. The fastest connecting flight is F94725 by Frontier Airlines takes 8h 11m and the cheapest is F91015 by Frontier Airlines for $132.

  • F9 - Frontier Airlines
    from $132
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  • AV - Avianca
    from $370
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  • SY - Sun Country Airlines
    from $215
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  • DM - Aero-Charter
    from $573
    Find
  • W1 - W1
    from $625
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  • UA - United Airlines
    from $299
    Find
  • NK - Spirit Airlines
    from $245
    Find
See more connecting flights

Airports

You can fly from San Juan to Denver from 2 airports (Isla Grande, Luis Munoz Marin Intl).

San Juan airports

  • Isla Grande-SIG
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  • Luis Munoz Marin Intl-SJU
    from $132
    Find

Denver airports

  • Denver International-DEN
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  • Arapahoe Co-APA
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Airplanes

There are flights to Denver from San Juan by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top International Destinations from San Juan

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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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