Cheap Flights from Denver, CO to San Juan from $78

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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 $78, 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: $78 (one-way), $134 (round-trip).

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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 $78. The fastest direct flight takes 5h 39m and the fastest connecting – 7h 21m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $449 Find flight	09:46 Denver Denver International	18:25 San Juan Luis Munoz Marin Intl	5h 39m	United Airlines	UA1339
from $78 Find flight	06:45 Denver Denver International	22:47 San Juan Luis Munoz Marin Intl	13h 2m layover 6h 5m - Atlanta	Frontier Airlines	F91450 F92082
from $82 Find flight	00:59 Denver Denver International	12:05 San Juan Luis Munoz Marin Intl	8h 6m layover 1h 15m - Orlando	Frontier Airlines	F91734 F92250
from $97 Find flight	23:59 Denver Denver International	10:45+1 день San Juan Luis Munoz Marin Intl	7h 46m layover 1h 15m - Tampa	Frontier Airlines	F91114 F92542
from $97 Find flight	14:46 Denver Denver International	11:23+1 день San Juan Luis Munoz Marin Intl	17h 37m layover 11h 2m - Miami	Frontier Airlines	F91280 F93378
from $98 Find flight	19:42 Denver Denver International	10:37+1 день San Juan Luis Munoz Marin Intl	11h 55m layover 5h 18m - Orlando	Frontier Airlines	F94920 F92250
from $98 Find flight	17:35 Denver Denver International	09:52+1 день San Juan Luis Munoz Marin Intl	13h 17m layover 6h 38m - Orlando	Frontier Airlines	F94584 F92250
from $98 Find flight	17:35 Denver Denver International	13:58+1 день San Juan Luis Munoz Marin Intl	17h 23m layover 10h 40m - Orlando	Frontier Airlines	F94584 F91824
from $105 Find flight	17:35 Denver Denver International	16:01+1 день San Juan Luis Munoz Marin Intl	19h 26m layover 12h 45m - Orlando	Frontier Airlines	F94584 F92982
from $105 Find flight	17:35 Denver Denver International	02:38+2 дня San Juan Luis Munoz Marin Intl	30h 3m layover 23h 26m - Orlando	Frontier Airlines	F94584 F93506
from $106 Find flight	06:00 Denver Denver International	16:21 San Juan Luis Munoz Marin Intl	7h 21m layover 0h 56m - Orlando	Frontier Airlines	F93312 F92982
from $122 Find flight	17:13 Denver Denver International	10:45+1 день San Juan Luis Munoz Marin Intl	14h 32m layover 8h 0m - Tampa	Frontier Airlines	F92746 F92542
from $128 Find flight	15:26 Denver Denver International	22:42+1 день San Juan Luis Munoz Marin Intl	28h 16m layover 21h 7m - Raleigh	Frontier Airlines	F92440 F91226
from $169 Find flight	13:50 Denver Denver International	02:52+1 день San Juan Luis Munoz Marin Intl	10h 2m layover 3h 28m - Orlando	Frontier Airlines	F93312 F94726
from $169 Find flight	13:50 Denver Denver International	10:10+1 день San Juan Luis Munoz Marin Intl	17h 20m layover 10h 43m - Orlando	Frontier Airlines	F93312 F92250
from $171 Find flight	15:19 Denver Denver International	02:32+1 день San Juan Luis Munoz Marin Intl	8h 13m layover 1h 1m - Philadelphia	Frontier Airlines	F93266 F94462

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 28, 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	Flight Details	Flight Duration	Price
09:46 — 18:25	09:46 — 18:25 UA1339 United Airlines Denver — San Juan	5h 39m	Find flight from$449
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$82
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$177
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$441
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$455
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$100
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$78
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$452
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$455
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$250
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$213
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$230
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$454
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$169
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$169
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$97
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$171
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$128
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$98
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$98
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$207
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$98
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$97
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$122
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$332
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$332
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$275
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$334
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$426
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$350

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on April 28, 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 78 $), november (from 82 $), december (from 100 $).

The most expensive months are february (from 122 $), december (from 100 $), november (from 82 $).

What is the lowest airfare Denver to San Juan?

The cheapest plane ticket found by our users is $78. 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

$78

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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 $ 687 . And the most expensive tickets are offered by Air Canada airline - from $ 3200.

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 $449.

UA - United Airlines

from $449

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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 $78.

AC - Air Canada

from $687

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AS - Alaska Airlines

from $1143

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F9 - Frontier Airlines

from $78

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SY - Sun Country Airlines

from $275

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Y4 - Volaris

from $624

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KG - Aerogaviota

from $332

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UA - United Airlines

from $350

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AM - Aeromexico

from $628

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Airports

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

Denver airports

Denver International-DEN

from $78
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Arapahoe Co-APA

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San Juan airports

Isla Grande-SIG

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Luis Munoz Marin Intl-SJU

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Airplanes

There are flights to San Juan from Denver by 8 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.

Denver — Las Vegas

from $70

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Denver — Phoenix

from $59

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Denver — Boston

from $68

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Denver — Seattle

from $75

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Denver — Orlando

from $74

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Denver — Chicago

from $66

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Denver — Miami

from $68

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Denver — Tampa

from $57

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Denver — Los Angeles

from $17

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Denver — Houston

from $67

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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.

Denver — Cancun

from $66

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Denver — London

from $63

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Denver — Tokyo

from $75

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Denver — Vancouver

from $60

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Denver — Toronto

from $60

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Denver — Paris

from $75

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Denver — Mexico City

from $66

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Denver — Calgary

from $68

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Denver — Dublin

from $69

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Denver — San Jose

from $72

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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»
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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.
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