$152+ Cheap flights from San Juan to Denver (DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from San Juan to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan to Denver Intl are usually found in August or February, booked 87 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from San Juan to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Juan to DenverExplore the most affordable flight options available from San Juan to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from San Juan to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:45 am
SJU
- DEN
2 stops25h 20m
Frontier
Tue 10/138:27 am
DEN
- SJU
1 stop13h 30m
Frontier
Deal found 7/29![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:37 pm
SJU
- DEN
1 stop31h 30m
Frontier
Tue 9/229:16 pm
DEN
- SJU
2 stops38h 18m
Frontier
Deal found 7/30![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:37 pm
SJU
- DEN
1 stop31h 30m
Frontier
Mon 9/219:16 pm
DEN
- SJU
2 stops40h 01m
Frontier
Deal found 7/29![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
SJU
- DEN
1 stop23h 29m
Frontier
Mon 10/1211:48 pm
DEN
- SJU
2 stops21h 50m
Frontier
Deal found 7/30![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:39 pm
SJU
- DEN
1 stop8h 20m
Frontier
Wed 11/188:44 pm
DEN
- SJU
2 stops24h 54m
Frontier
Deal found 7/30![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
SJU
- DEN
1 stop23h 29m
Frontier
Sat 10/106:30 am
DEN
- SJU
2 stops15h 11m
Frontier
Deal found 7/30![Frontier logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 am
SJU
- DEN
2 stops25h 20m
Frontier
Sun 9/136:56 pm
DEN
- SJU
1 stop27h 02m
Frontier
Deal found 7/29![Frontier logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:45 am
SJU
- DEN
2 stops29h 25m
Frontier
Mon 9/216:56 pm
DEN
- SJU
1 stop19h 49m
Frontier
Deal found 7/26![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
SJU
- DEN
2 stops31h 50m
Frontier
Sat 9/511:59 pm
DEN
- SJU
1 stop22h 35m
Frontier
Deal found 7/28![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:30 am
SJU
- DEN
2 stops31h 50m
Frontier
Mon 10/1211:59 pm
DEN
- SJU
1 stop9h 05m
Frontier
Deal found 7/30![Frontier logo]()
$340
Best flights from San Juan to DenverDiscover carefully curated flight deals from San Juan to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from San Juan to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:35 am
SJU
- DEN
1 stop11h 30m
Southwest
Mon 9/2811:55 pm
DEN
- SJU
1 stop10h 25m
Southwest
Deal found 7/27![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:00 pm
SJU
- DEN
Nonstop6h 19m
United Airlines
Mon 9/289:46 am
DEN
- SJU
Nonstop5h 52m
United Airlines
Deal found 7/27![United Airlines logo]()
$587
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:02 am
SJU
- DEN
1 stop8h 16m
Frontier
Thu 8/610:36 am
DEN
- SJU
1 stop9h 07m
Frontier
Deal found 7/25![Frontier logo]()
$591
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:30 am
SJU
- DEN
2 stops11h 20m
Southwest
Fri 9/111:00 pm
DEN
- SJU
2 stops8h 55m
Southwest
Deal found 7/30![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:50 am
SJU
- DEN
2 stops9h 55m
Southwest
Mon 8/1712:10 pm
DEN
- SJU
2 stops9h 40m
Southwest
Deal found 7/26![Southwest logo]()
$582
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:55 pm
SJU
- DEN
2 stops15h 44m
United Airlines
Sat 8/298:29 pm
DEN
- SJU
2 stops15h 16m
United Airlines
Deal found 7/28![United Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
SJU
- DEN
1 stop11h 45m
United Airlines
Sat 9/269:46 am
DEN
- SJU
Nonstop5h 52m
United Airlines
Deal found 7/28![United Airlines logo]()
$712
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:25 pm
SJU
- DEN
1 stop9h 41m
United Airlines
Sun 10/189:46 am
DEN
- SJU
Nonstop5h 52m
United Airlines
Deal found 7/28![United Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:00 pm
SJU
- DEN
Nonstop6h 19m
United Airlines
Sat 10/39:46 am
DEN
- SJU
Nonstop5h 52m
United Airlines
Deal found 7/28![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
SJU
- DEN
1 stop9h 10m
United Airlines
Wed 8/266:00 am
DEN
- SJU
2 stops15h 50m
United Airlines
Deal found 7/29![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Wed 8/195:00 am
DEN
- SJU
1 stop13h 38m
United Airlines
Deal found 7/29![United Airlines logo]()
$822
Last-minute flights from San Juan to DenverDiscover last-minute flight deals from San Juan to Denver. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Denver. Data last updated July 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:30 am
SJU
- DEN
2 stops31h 50m
Frontier
Mon 10/1211:59 pm
DEN
- SJU
1 stop9h 05m
Frontier
Deal found 7/30![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:30 am
SJU
- DEN
2 stops31h 03m
Frontier
Mon 10/1211:59 pm
DEN
- SJU
1 stop9h 05m
Frontier
Deal found 7/30![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:30 am
SJU
- DEN
2 stops31h 03m
Frontier
Mon 8/246:00 am
DEN
- SJU
1 stop16h 56m
Frontier
Deal found 7/28![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
SJU
- DEN
1 stop23h 29m
Frontier
Mon 10/1211:48 pm
DEN
- SJU
2 stops21h 50m
Frontier
Deal found 7/30![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
SJU
- DEN
1 stop23h 29m
Frontier
Sat 10/106:30 am
DEN
- SJU
2 stops15h 11m
Frontier
Deal found 7/30![Frontier logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:35 am
SJU
- DEN
2 stops19h 28m
Frontier
Mon 8/249:55 am
DEN
- SJU
1 stop18h 49m
Frontier
Deal found 7/26![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:10 am
SJU
- DEN
2 stops13h 51m
Frontier
Wed 8/2611:59 pm
DEN
- SJU
1 stop22h 35m
Frontier
Deal found 7/29![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:57 pm
SJU
- DEN
1 stop13h 10m
Frontier
Wed 8/263:12 pm
DEN
- SJU
1 stop9h 03m
Frontier
Deal found 7/29![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:35 am
SJU
- DEN
2 stops19h 28m
Frontier
Thu 9/311:59 pm
DEN
- SJU
1 stop22h 57m
Frontier
Deal found 7/28![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
SJU
- DEN
2 stops31h 50m
Frontier
Sat 9/511:59 pm
DEN
- SJU
1 stop22h 35m
Frontier
Deal found 7/28![Frontier logo]()
$338
One-way flights from San Juan to DenverSearch for one-way flight options from San Juan to Denver. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from San Juan to Denver. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
SJU
- DEN
2 stops50h 44m
Frontier
Deal found 7/28![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:37 pm
SJU
- DEN
2 stops41h 42m
Frontier
Deal found 7/30![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 am
SJU
- DEN
2 stops50h 44m
Frontier
Deal found 7/30![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:30 am
SJU
- DEN
2 stops31h 03m
Frontier
Deal found 7/29![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:39 pm
SJU
- DEN
2 stops41h 25m
Frontier
Deal found 7/28![Frontier logo]()
$162
This eDestinos deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:44 am
SJU
- DEN
1 stop18h 20m
Frontier
Deal found 7/25![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:42 pm
SJU
- DEN
1 stop15h 10m
Frontier
Deal found 7/29![Frontier logo]()
$177
Find flight deals from San Juan to Denver
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2026.
Round-trip from | $293 (Kiwi.com) |
|---|---|
One-way from | $152 (Kiwi.com) |
Popular in | April |
Cheapest in | August |
Average price | $609 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from San Juan to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Thu 9/24
11:35 am-9:05 pm
1 stop11h 30m
Denver Intl
Mon 9/28
11:55 pm-12:20 pm
1 stop10h 25m
$376
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Tue 9/1
10:30 am-7:50 pm
2 stops11h 20m
Denver Intl
Fri 9/11
1:00 pm-11:55 pm
2 stops8h 55m
$421
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Tue 8/4
11:50 am-7:45 pm
2 stops9h 55m
Denver Intl
Mon 8/17
12:10 pm-11:50 pm
2 stops9h 40m
$582
Quickest round-trip
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Thu 9/24
2:00 pm-6:19 pm
Nonstop6h 19m
Denver Intl
Mon 9/28
9:46 am-5:38 pm
Nonstop5h 52m
$587
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Sun 8/2
9:02 am-3:18 pm
1 stop8h 16m
Denver Intl
Thu 8/6
10:36 am-9:43 pm
1 stop9h 07m
$591
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Wed 8/26
4:55 pm-6:39 am
2 stops15h 44m
Denver Intl
Sat 8/29
8:29 pm-1:45 pm
2 stops15h 16m
$660
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Wed 9/16
7:00 am-4:45 pm
1 stop11h 45m
Denver Intl
Sat 9/26
9:46 am-5:38 pm
Nonstop5h 52m
$712
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Sat 10/3
1:25 pm-9:06 pm
1 stop9h 41m
Denver Intl
Sun 10/18
9:46 am-5:38 pm
Nonstop5h 52m
$732
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Sat 9/26
2:00 pm-6:19 pm
Nonstop6h 19m
Denver Intl
Sat 10/3
9:46 am-5:38 pm
Nonstop5h 52m
$747
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Tue 8/25
7:00 am-2:10 pm
1 stop9h 10m
Denver Intl
Wed 8/26
6:00 am-11:50 pm
2 stops15h 50m
$773
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from San Juan to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from San Juan with our price prediction graph.
PR1-DEN
SJU-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Denver
PR1-DEN
SJU-DEN
What is the cheapest month to book a flight from San Juan to Denver?
Currently, August is the cheapest month in which you can book a flight from San Juan to Denver (average of $466). Flying from San Juan to Denver in April is currently the most expensive (average of $667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJU to DEN?
Find hourly flight availability from San Juan to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.
When flying from San Juan to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Juan to Denver
Explore weekly flight availability from San Juan to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2026.
The most flights from PR1 to DEN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from San Juan to Denver?
Airfare is below average for this route at the moment.
San Juan to Denver flights typically cost between $384 and $585 in October.The cheapest round-trip price found within the last 5 days was $293 on Frontier (Oct 6-Oct 13).
How far ahead should I book a flight from San Juan to Denver?
To ensure you get the cheapest price possible for a flight from San Juan to Denver, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated July 30, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from San Juan to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Juan to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Black Hawk
Centennial
Lakewood
Broomfield
Golden
Lone Tree
Wheat Ridge
Silverthorne
Greeley
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
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San Juan and Denver flights
Browse other San Juan and Denver flight options. Last updated on July 30, 2026.
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Top 6 airlines flying from San Juan to Denver
Discover the top 6 airlines that operate flights from San Juan to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$343 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$631 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$195 | Average$437 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$616 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$412 | Average$570 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$506 | Average$696 | FlexibilityNo cancel fee | On-time69% |