Cheap Flights from Denver, CO to San Juan from $128
Return flight: San Juan – Denver
On Cheapflightsplus.com you will find 1 direct and 262 connecting flights from Denver to San Juan. You can compare airfare deals from 9 airlines and multiple travel sites from $128, 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: $128 (one-way), $220 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Denver to San Juan Today
Take a look at the list of non stop flights and flights with layovers from Denver to San Juan with the lowest price of $128. The fastest direct flight takes 5h 40m and the fastest connecting – 7h 37m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $371 | 09:50 Denver Denver International | 17:30 San Juan Luis Munoz Marin Intl | 5h 40m | United Airlines | UA1339 |
| from $128 | 11:05 Denver Denver International | 00:40+1 день San Juan Luis Munoz Marin Intl | 11h 35m layover 4h 42m - Raleigh | Frontier Airlines | F92440 F91226 |
| from $135 | 00:59 Denver Denver International | 14:15 San Juan Luis Munoz Marin Intl | 11h 16m layover 4h 34m - Atlanta | Frontier Airlines | F93294 F92082 |
| from $135 | 23:59 Denver Denver International | 15:37+1 день San Juan Luis Munoz Marin Intl | 13h 38m layover 7h 0m - Tampa | Frontier Airlines | F91114 F92216 |
| from $136 | 09:47 Denver Denver International | 02:34+1 день San Juan Luis Munoz Marin Intl | 14h 47m layover 8h 8m - Orlando | Frontier Airlines | F93312 F94726 |
| from $142 | 23:58 Denver Denver International | 00:27+2 дня San Juan Luis Munoz Marin Intl | 22h 29m layover 15h 46m - Tampa | Frontier Airlines | F91114 F93980 |
| from $149 | 13:38 Denver Denver International | 00:44+1 день San Juan Luis Munoz Marin Intl | 9h 6m layover 1h 40m - Cleveland | Frontier Airlines | F91918 F93140 |
| from $149 | 23:30 Denver Denver International | 11:23+1 день San Juan Luis Munoz Marin Intl | 9h 53m layover 2h 23m - Philadelphia | Frontier Airlines | F93340 F91016 |
| from $149 | 23:30 Denver Denver International | 16:55+1 день San Juan Luis Munoz Marin Intl | 15h 25m layover 7h 55m - Philadelphia | Frontier Airlines | F93340 F91726 |
| from $159 | 06:00 Denver Denver International | 15:39 San Juan Luis Munoz Marin Intl | 7h 39m layover 1h 6m - Tampa | Frontier Airlines | F92748 F92216 |
| from $159 | 11:16 Denver Denver International | 23:07+1 день San Juan Luis Munoz Marin Intl | 9h 51m layover 2h 27m - Baltimore | Frontier Airlines | F92706 F92266 |
| from $159 | 11:10 Denver Denver International | 23:03+1 день San Juan Luis Munoz Marin Intl | 9h 53m layover 2h 51m - Charlotte | Frontier Airlines | F91362 F93004 |
| from $159 | 09:08 Denver Denver International | 00:21+1 день San Juan Luis Munoz Marin Intl | 13h 13m layover 6h 33m - Orlando | Frontier Airlines | F93312 F91746 |
| from $177 | 00:23 Denver Denver International | 18:38 San Juan Luis Munoz Marin Intl | 16h 15m layover 9h 30m - Orlando | Frontier Airlines | F91734 F93506 |
| from $203 | 08:00 Denver Denver International | 19:19+1 день San Juan Luis Munoz Marin Intl | 33h 19m layover 22h 39m - Covington 2h 55m - Miami | Allegiant Air | G4411 G42156 NK2221 |
| from $256 | 08:06 Denver Denver International | 19:19+1 день San Juan Luis Munoz Marin Intl | 33h 13m layover 8h 27m - Fletcher 17h 18m - Miami | Allegiant Air | G4234 G4497 NK2221 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 29, 2025
Flight Schedule Denver (Colorado) to San Juan
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 |
|---|---|---|---|---|
|
09:50 — 17:30
|
09:50 — 17:30
UA1339
United Airlines
Denver — San Juan
|
5h 40m |
Find flight
from$371 |
|
|
00:20 — 00:21
+1 day
|
00:20 — 06:03
F91734
Frontier Airlines
Denver — Orlando
15h 23m stop
21:26 — 00:21
F91746
Frontier Airlines
Orlando — San Juan
|
22h 1m including layover |
Find flight
from$165 |
|
|
00:59 — 14:15
|
00:59 — 06:10
F93294
Frontier Airlines
Denver — Atlanta
4h 34m stop
11:36 — 15:15
F92082
Frontier Airlines
Atlanta — San Juan
|
11h 16m including layover |
Find flight
from$135 |
|
|
05:10 — 20:38
|
05:00 — 08:29
UA320
United Airlines
Denver — Houston
6h 28m stop
15:02 — 20:38
UA701
United Airlines
Houston — San Juan
|
13h 28m including layover |
Find flight
from$235 |
|
|
06:00 — 15:39
|
06:00 — 11:34
F92748
Frontier Airlines
Denver — Tampa
1h 6m stop
12:40 — 15:39
F92216
Frontier Airlines
Tampa — San Juan
|
7h 39m including layover |
Find flight
from$159 |
|
|
06:00 — 15:46
|
06:00 — 11:32
F93312
Frontier Airlines
Denver — Orlando
1h stop
06:30 — 10:23
F91824
Frontier Airlines
Orlando — San Juan
|
7h 46m including layover |
Find flight
from$189 |
|
|
08:44 — 18:38
|
09:08 — 14:53
F93312
Frontier Airlines
Denver — Orlando
55m stop
17:00 — 19:58
F93506
Frontier Airlines
Orlando — San Juan
|
7h 54m including layover |
Find flight
from$160 |
|
|
09:08 — 00:21
+1 day
|
09:08 — 14:53
F93312
Frontier Airlines
Denver — Orlando
6h 33m stop
21:26 — 00:21
F91746
Frontier Airlines
Orlando — San Juan
|
13h 13m including layover |
Find flight
from$159 |
|
|
09:47 — 02:34
+1 day
|
09:08 — 14:53
F93312
Frontier Airlines
Denver — Orlando
8h 8m stop
23:40 — 02:32
F94726
Frontier Airlines
Orlando — San Juan
|
14h 47m including layover |
Find flight
from$136 |
|
|
10:21 — 15:16
+1 day
|
10:14 — 13:11
SY652
Sun Country Airlines
Denver — Minneapolis
19h 42m stop
09:00 — 15:16
SY783
Sun Country Airlines
Minneapolis — San Juan
|
26h 55m including layover |
Find flight
from$224 |
|
|
11:05 — 00:40
+1 day
|
11:00 — 16:17
F92440
Frontier Airlines
Denver — Raleigh
4h 42m stop
15:48 — 20:18
F91226
Frontier Airlines
Raleigh — San Juan
|
11h 35m including layover |
Find flight
from$128 |
|
|
11:10 — 23:03
+1 day
|
11:10 — 16:32
F91362
Frontier Airlines
Denver — Charlotte
2h 51m stop
19:23 — 23:03
F93004
Frontier Airlines
Charlotte — San Juan
|
9h 53m including layover |
Find flight
from$159 |
|
|
13:38 — 00:44
+1 day
|
13:38 — 18:43
F91918
Frontier Airlines
Denver — Cleveland
1h 40m stop
20:31 — 00:44
F93140
Frontier Airlines
Cleveland — San Juan
|
9h 6m including layover |
Find flight
from$149 |
|
|
13:49 — 20:38
+1 day
|
13:49 — 17:15
UA1829
United Airlines
Denver — Houston
21h 47m stop
15:02 — 20:38
UA701
United Airlines
Houston — San Juan
|
28h 49m including layover |
Find flight
from$249 |
|
|
15:40 — 20:38
+1 day
|
15:38 — 19:10
UA489
United Airlines
Denver — Houston
19h 56m stop
15:02 — 20:38
UA701
United Airlines
Houston — San Juan
|
26h 58m including layover |
Find flight
from$242 |
|
|
15:40 — 15:42
+1 day
|
15:40 — 19:07
UA489
United Airlines
Denver — Houston
15h stop
10:07 — 15:42
UA1192
United Airlines
Houston — San Juan
|
22h 2m including layover |
Find flight
from$261 |
|
|
16:25 — 09:53
+1 day
|
16:25 — 22:05
F93266
Frontier Airlines
Denver — Philadelphia
7h 55m stop
06:00 — 09:53
F91016
Frontier Airlines
Philadelphia — San Juan
|
15h 28m including layover |
Find flight
from$159 |
|
|
16:46 — 20:38
+1 day
|
16:46 — 20:13
UA2851
United Airlines
Denver — Houston
18h 50m stop
15:03 — 20:38
UA701
United Airlines
Houston — San Juan
|
25h 52m including layover |
Find flight
from$242 |
|
|
17:45 — 20:38
+1 day
|
17:45 — 21:14
UA2619
United Airlines
Denver — Houston
17h 48m stop
15:02 — 20:38
UA701
United Airlines
Houston — San Juan
|
24h 53m including layover |
Find flight
from$249 |
|
|
18:00 — 15:16
+1 day
|
18:00 — 21:01
SY1610
Sun Country Airlines
Denver — Minneapolis
11h 59m stop
09:00 — 15:16
SY783
Sun Country Airlines
Minneapolis — San Juan
|
19h 16m including layover |
Find flight
from$224 |
|
|
18:38 — 20:38
+1 day
|
18:38 — 22:02
UA1299
United Airlines
Denver — Houston
17h 1m stop
15:03 — 20:38
UA701
United Airlines
Houston — San Juan
|
24h including layover |
Find flight
from$239 |
|
|
19:45 — 20:38
+1 day
|
19:05 — 22:33
UA475
United Airlines
Denver — Houston
15h 53m stop
15:02 — 20:38
UA701
United Airlines
Houston — San Juan
|
22h 53m including layover |
Find flight
from$239 |
|
|
19:45 — 15:42
+1 day
|
19:05 — 22:29
UA475
United Airlines
Denver — Houston
10h 57m stop
10:07 — 15:42
UA1192
United Airlines
Houston — San Juan
|
17h 57m including layover |
Find flight
from$255 |
|
|
20:31 — 20:38
+1 day
|
20:27 — 23:55
UA2419
United Airlines
Denver — Houston
15h 8m stop
15:02 — 20:38
UA701
United Airlines
Houston — San Juan
|
22h 7m including layover |
Find flight
from$239 |
|
|
20:31 — 05:30
+2 days
|
20:31 — 23:59
UA2419
United Airlines
Denver — Houston
23h 58m stop
23:57 — 05:30
UA1497
United Airlines
Houston — San Juan
|
30h 59m including layover |
Find flight
from$249 |
|
|
23:58 — 00:27
+2 days
|
23:58 — 05:28
F91114
Frontier Airlines
Denver — Tampa
15h 46m stop
21:17 — 00:27
F93980
Frontier Airlines
Tampa — San Juan
|
22h 29m including layover |
Find flight
from$142 |
|
|
23:59 — 15:37
+1 day
|
23:58 — 05:33
F91114
Frontier Airlines
Denver — Tampa
7h stop
12:40 — 15:39
F92216
Frontier Airlines
Tampa — San Juan
|
13h 38m including layover |
Find flight
from$135 |
|
|
08:00 — 19:19
+1 day
|
08:00 — 12:42
G4411
Allegiant Air
Denver — Covington
22h 39m stop
11:21 — 13:50
G42156
Allegiant Air
Covington — Miami
2h 55m stop
16:45 — 19:19
NK2221
Spirit Airlines
Miami — San Juan
|
33h 19m including layover |
Find flight
from$203 |
|
|
17:41 — 22:27
+1 day
|
17:41 — 20:42
SY656
Sun Country Airlines
Denver — Minneapolis
11h 42m stop
08:24 — 11:43
SY223
Sun Country Airlines
Minneapolis — Baltimore
7h 2m stop
18:45 — 22:27
NK2533
Spirit Airlines
Baltimore — San Juan
|
26h 46m including layover |
Find flight
from$262 |
|
*Departure and arrival times - local. Updated on August 29, 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 00:20 to 23:59 from 2 Denver airports and arrive 00:20 to 23:59 to 2 San Juan airports. Average flight time is 5h 40m.
- The fastest flight 5h 40m
- Average flight time 5h 40m
- The earliest flight 00:20
- The latest flight 23:59
- Distance 2732 ml
The cheapest months to travel to San Juan are february (from 128 $), september (from 128 $), july (from 142 $).
The most expensive months are november (from 557 $), october (from 235 $), december (from 213 $).
What is the lowest airfare Denver to San Juan?
The cheapest plane ticket found by our users is $128. This airfare is for economy class on one-way F92440 flight by Frontier Airlines for September 5, 2025 which leaves Denver International in Denver at 11:05 am and arrives at San Juan Luis Munoz Marin Intl at 00:40.
Economy class
$128
Business class
?
First class
?
Popular Airlines on the Route
The flight Denver — San Juan is served by 9 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Air Canada - 2 departures per week at the price of from $ 624 . And the most expensive tickets are offered by Aer Lingus airline - from $ 1575.
Direct flights
There are 1 nonstop flights on the route. The fastest direct flight is UA1339 by United Airlines takes 5h 40m and the cheapest is F92440 by Frontier Airlines for $371.
- UA - United Airlinesfrom $371Find
See more direct flights
Connecting Flights
There are 262 flights with layovers on the route. The fastest connecting flight is F93138 by Frontier Airlines takes 7h 37m and the cheapest is F92440 by Frontier Airlines for $128.
- AC - Air Canadafrom $624Find
- AS - Alaska Airlinesfrom $732Find
- F9 - Frontier Airlinesfrom $128Find
- EI - Aer Lingusfrom $1575Find
- SY - Sun Country Airlinesfrom $223Find
- Y4 - Volarisfrom $451Find
- UA - United Airlinesfrom $235Find
- KG - Aerogaviotafrom $510Find
- G4 - Allegiant Airfrom $203Find
See more connecting flights
Airports
You can fly from Denver to San Juan from 2 airports (Denver International, Arapahoe Co).
Denver airports
- Denver International-DENfrom $128Find
- Arapahoe Co-APAFind
San Juan airports
- Isla Grande-SIGFind
- Luis Munoz Marin Intl-SJUFind
Airplanes
There are flights to San Juan from Denver by 9 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Denver
You may also consider searching for discounted plane tickets to some other popular places from Denver within United States.
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Top International Destinations from Denver
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.
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How to book a plane 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.