Cheap Flights from San Juan to Denver, CO from $102

Return flight: Denver – San Juan

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 $102, 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: $102 (one-way), $175 (round-trip).
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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
14:00 — 18:10
14:00 — 18:10 UA1368 United Airlines
San Juan — Denver
6h 10m
Find flight
from$284
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$102
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$147
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$153
07:45 — 20:36
07:45 — 11:55 UA2089 United Airlines
San Juan — Chicago
6h 40m stop
20:10 — 22:00 UA2394 United Airlines
Chicago — Denver
14h 51m
including layover
Find flight
from$251
07:45 — 22:00
07:45 — 11:55 UA2089 United Airlines
San Juan — Chicago
8h 15m stop
20:10 — 22:00 UA2040 United Airlines
Chicago — Denver
16h 15m
including layover
Find flight
from$251
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$117
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$103
15:56 — 06:41
+1 day
15:56 — 20:15 UA2088 United Airlines
San Juan — Chicago
8h 57m stop
05:00 — 06:43 UA2666 United Airlines
Chicago — Denver
16h 45m
including layover
Find flight
from$268
15:56 — 08:58
+1 day
15:56 — 20:03 UA2088 United Airlines
San Juan — Chicago
10h 55m stop
07:15 — 08:59 UA791 United Airlines
Chicago — Denver
19h 2m
including layover
Find flight
from$282
16:15 — 15:34
+1 day
16:15 — 20:53 SY762 Sun Country Airlines
San Juan — Minneapolis
17h 37m stop
14:30 — 15:34 SY657 Sun Country Airlines
Minneapolis — Denver
25h 19m
including layover
Find flight
from$168
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$108
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$103
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$103
19:59 — 16:03
+1 day
19:59 — 23:12 F92981 Frontier Airlines
San Juan — Orlando
14h 39m stop
13:51 — 16:03 F94919 Frontier Airlines
Orlando — Denver
22h 4m
including layover
Find flight
from$244
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$129
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$104
01:05 — 14:37
01:05 — 05:14 UA2219 United Airlines
San Juan — Newark
1h 41m stop
06:55 — 09:16 UA2304 United Airlines
Newark — Atlanta
4h 4m stop
13:20 — 14:37 UA221 United Airlines
Atlanta — Denver
15h 32m
including layover
Find flight
from$233
02:06 — 11:27
+1 day
02:06 — 05:05 NK3164 Spirit Airlines
San Juan — Orlando
9h 4m stop
14:09 — 16:37 SY346 Sun Country Airlines
Orlando — Minneapolis
17h 47m stop
10:24 — 11:27 SY653 Sun Country Airlines
Minneapolis — Denver
35h 21m
including layover
Find flight
from$207
02:15 — 08:49
+1 day
02:15 — 06:53 NK1546 Spirit Airlines
San Juan — Detroit
4h 50m stop
11:43 — 12:31 NK1539 Spirit Airlines
Detroit — Minneapolis
19h 5m stop
07:36 — 08:49 SY651 Sun Country Airlines
Minneapolis — Denver
32h 34m
including layover
Find flight
from$191
06:50 — 08:55
+1 day
06:50 — 11:06 NK2534 Spirit Airlines
San Juan — Chicago
7h 9m stop
18:09 — 19:49 SY262 Sun Country Airlines
Chicago — Minneapolis
11h 47m stop
08:12 — 09:23 SY651 Sun Country Airlines
Minneapolis — Denver
28h 5m
including layover
Find flight
from$260
06:50 — 13:40
+1 day
06:50 — 11:06 NK2534 Spirit Airlines
San Juan — Chicago
23h 34m stop
10:40 — 12:20 KG3915 Aerogaviota
Chicago — Watertown
40m stop
13:00 — 13:40 KG3916 Aerogaviota
Watertown — Denver
32h 50m
including layover
Find flight
from$268
08:30 — 13:40
+1 day
08:30 — 12:59 NK1800 Spirit Airlines
San Juan — Dallas
22h 16m stop
11:15 — 11:30 KG5411 Aerogaviota
Dallas — Clovis
45m stop
12:15 — 13:40 KG5414 Aerogaviota
Clovis — Denver
31h 10m
including layover
Find flight
from$254
10:51 — 15:34
+1 day
10:51 — 13:54 NK3160 Spirit Airlines
San Juan — Orlando
18h 21m stop
08:15 — 10:44 SY1646 Sun Country Airlines
Orlando — Minneapolis
3h 46m stop
14:30 — 15:34 SY657 Sun Country Airlines
Minneapolis — Denver
30h 43m
including layover
Find flight
from$211
10:51 — 15:34
+1 day
10:51 — 13:54 NK3160 Spirit Airlines
San Juan — Orlando
20h 13m stop
10:07 — 12:36 SY352 Sun Country Airlines
Orlando — Minneapolis
1h 54m stop
14:30 — 15:34 SY657 Sun Country Airlines
Minneapolis — Denver
30h 43m
including layover
Find flight
from$211
11:11 — 15:15
+1 day
11:11 — 13:55 NK1397 Spirit Airlines
San Juan — Miami
6h 10m stop
20:05 — 22:06 G4261 Allegiant Air
Miami — Fletcher
15h 53m stop
13:59 — 15:15 G4242 Allegiant Air
Fletcher — Denver
30h 4m
including layover
Find flight
from$258
11:44 — 08:55
+1 day
11:44 — 16:23 NK2799 Spirit Airlines
San Juan — Detroit
2h 10m stop
18:33 — 19:24 SY1982 Sun Country Airlines
Detroit — Minneapolis
12h 18m stop
07:42 — 08:55 SY651 Sun Country Airlines
Minneapolis — Denver
23h 11m
including layover
Find flight
from$279
12:55 — 17:01
+1 day
12:55 — 16:53 NK961 Spirit Airlines
San Juan — Baltimore
19h 32m stop
12:25 — 14:06 SY194 Sun Country Airlines
Baltimore — Minneapolis
1h 48m stop
15:54 — 17:01 SY1609 Sun Country Airlines
Minneapolis — Denver
30h 6m
including layover
Find flight
from$237
13:02 — 11:22
+1 day
13:02 — 17:14 NK2405 Spirit Airlines
San Juan — Atlanta
13h 46m stop
07:00 — 08:39 SY1628 Sun Country Airlines
Atlanta — Minneapolis
1h 33m stop
10:12 — 11:22 SY653 Sun Country Airlines
Minneapolis — Denver
24h 20m
including layover
Find flight
from$275
13:44 — 17:29
+1 day
13:44 — 17:48 NK2532 Spirit Airlines
San Juan — Washington D.C.
18h 52m stop
12:40 — 14:18 SY224 Sun Country Airlines
Washington D.C. — Minneapolis
2h stop
16:18 — 17:29 SY657 Sun Country Airlines
Minneapolis — Denver
29h 45m
including layover
Find flight
from$228
*Departure and arrival times - local. Updated on June 6, 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 137 $), october (from 138 $), august (from 138 $).

The most expensive months are february (from 439 $), november (from 287 $), january (from 216 $).

What is the lowest airfare San Juan to Denver?

The cheapest plane ticket found by our users is $102. 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
$102
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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 $ 102 . And the most expensive tickets are offered by Avianca airline - from $ 543.

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 $284.

  • UA - United Airlines
    from $284
    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 $102.

  • F9 - Frontier Airlines
    from $102
    Find
  • AV - Avianca
    from $289
    Find
  • SY - Sun Country Airlines
    from $168
    Find
  • DM - Aero-Charter
    from $447
    Find
  • W1 - W1
    from $488
    Find
  • UA - United Airlines
    from $233
    Find
  • NK - Spirit Airlines
    from $191
    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
    Find
  • Luis Munoz Marin Intl-SJU
    from $102
    Find

Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
    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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