$87+ Cheap flights from Denver (DEN) to San Juan
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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
mag 24 — mag 311
Round-trip
1 adult, Economy
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Find cheap flights from Denver to San Juan 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 Denver Intl to San Juan are usually found in August or September, booked 23 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from Denver to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to San JuanExplore the most affordable flight options available from Denver to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on aprile 24, 2026.
Explore the most affordable flight options available from Denver to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on aprile 24, 2026.
This Priceline deal was found by Cheapflights users on 4/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 5/611:59 pm
DEN
- SJU
1 stop21h 58m
Frontier
sab 5/237:24 pm
SJU
- DEN
1 stop29h 15m
Frontier
Deal found 4/20![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
mar 5/196:59 pm
DEN
- SJU
2 stops25h 44m
Frontier
sab 5/239:45 pm
SJU
- DEN
1 stop13h 12m
Frontier
Deal found 4/19![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 4/20. 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.
mar 5/511:56 pm
DEN
- SJU
1 stop11h 19m
Frontier
gio 5/143:12 pm
SJU
- DEN
1 stop9h 52m
Frontier
Deal found 4/20![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
dom 5/1711:59 pm
DEN
- SJU
1 stop13h 51m
Frontier
sab 5/233:03 am
SJU
- DEN
1 stop22h 08m
Frontier
Deal found 4/20![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 4/21. 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.
sab 5/211:59 pm
DEN
- SJU
1 stop8h 40m
Frontier
mar 5/52:56 pm
SJU
- DEN
1 stop9h 43m
Frontier
Deal found 4/21![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
sab 7/46:00 am
DEN
- SJU
1 stop15h 29m
Frontier
sab 7/116:41 pm
SJU
- DEN
1 stop15h 56m
Frontier
Deal found 4/20![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
sab 4/2511:59 pm
DEN
- SJU
1 stop7h 49m
Frontier
mer 4/293:19 pm
SJU
- DEN
1 stop9h 40m
Frontier
Deal found 4/21![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
dom 5/39:25 am
DEN
- SJU
1 stop14h 36m
Multiple Airlines
ven 5/88:04 pm
SJU
- DEN
2 stops36h 29m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$259
This Frontier deal was found by Cheapflights users on 4/21. 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.
dom 5/311:59 pm
DEN
- SJU
1 stop12h 14m
Frontier
sab 5/93:33 pm
SJU
- DEN
1 stop9h 38m
Frontier
Deal found 4/21![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 4/20. 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.
sab 4/253:32 pm
DEN
- SJU
1 stop8h 29m
Frontier
ven 5/14:11 pm
SJU
- DEN
1 stop8h 48m
Frontier
Deal found 4/20![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
dom 5/311:59 pm
DEN
- SJU
1 stop12h 14m
Frontier
lun 5/116:30 am
SJU
- DEN
1 stop18h 34m
Frontier
Deal found 4/21![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
dom 4/269:55 am
DEN
- SJU
1 stop11h 34m
Frontier
mar 4/283:08 am
SJU
- DEN
1 stop13h 23m
Frontier
Deal found 4/21![Frontier logo]()
$263
Best flights from Denver to San JuanDiscover carefully curated flight deals from Denver to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated aprile 24, 2026.
Discover carefully curated flight deals from Denver to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated aprile 24, 2026.
This Southwest deal was found by Cheapflights users on 4/20. 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.
mar 6/3012:40 pm
DEN
- SJU
2 stops9h 35m
Southwest
sab 7/46:00 am
SJU
- DEN
2 stops8h 45m
Southwest
Deal found 4/20![Southwest logo]()
$586
This United Airlines deal was found by Cheapflights users on 4/23. 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.
gio 6/46:05 pm
DEN
- SJU
1 stop9h 24m
United Airlines
mar 6/91:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 4/23![United Airlines logo]()
$607
This Southwest deal was found by Cheapflights users on 4/21. 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.
ven 5/2911:35 am
DEN
- SJU
2 stops10h 05m
Southwest
gio 6/45:30 am
SJU
- DEN
2 stops10h 25m
Southwest
Deal found 4/21![Southwest logo]()
$596
This United Airlines deal was found by Cheapflights users on 4/23. 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.
gio 7/27:35 pm
DEN
- SJU
1 stop7h 54m
United Airlines
mar 7/71:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 4/23![United Airlines logo]()
$609
This Southwest deal was found by Cheapflights users on 4/19. 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.
sab 5/238:40 am
DEN
- SJU
2 stops10h 45m
Southwest
ven 5/292:00 pm
SJU
- DEN
2 stops11h 15m
Southwest
Deal found 4/19![Southwest logo]()
$616
This United Airlines deal was found by Cheapflights users on 4/21. 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.
gio 7/239:43 am
DEN
- SJU
Nonstop5h 55m
United Airlines
gio 7/301:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 4/21![United Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 4/21. 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.
mar 5/129:43 am
DEN
- SJU
Nonstop5h 55m
United Airlines
lun 5/184:55 pm
SJU
- DEN
1 stop9h 49m
United Airlines
Deal found 4/21![United Airlines logo]()
$672
This Southwest deal was found by Cheapflights users on 4/20. 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.
mer 5/2712:40 pm
DEN
- SJU
2 stops9h 00m
Southwest
dom 5/316:25 am
SJU
- DEN
2 stops15h 30m
Southwest
Deal found 4/20![Southwest logo]()
$696
This Southwest deal was found by Cheapflights users on 4/23. 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.
mar 4/286:15 am
DEN
- SJU
2 stops9h 55m
Southwest
mar 5/55:35 am
SJU
- DEN
2 stops10h 00m
Southwest
Deal found 4/23![Southwest logo]()
$716
This United Airlines deal was found by Cheapflights users on 4/22. 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.
mar 7/1411:59 pm
DEN
- SJU
1 stop10h 05m
United Airlines
lun 7/271:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 4/22![United Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 4/19. 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.
mer 6/35:18 pm
DEN
- SJU
1 stop10h 11m
United Airlines
mar 6/91:40 pm
SJU
- DEN
Nonstop6h 35m
United Airlines
Deal found 4/19![United Airlines logo]()
$717
Last-minute flights from Denver to San JuanDiscover last-minute flight deals from Denver to San Juan. Data last updated aprile 24, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to San Juan. Data last updated aprile 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
sab 4/2511:59 pm
DEN
- SJU
1 stop7h 49m
Frontier
mer 4/293:19 pm
SJU
- DEN
1 stop9h 40m
Frontier
Deal found 4/21![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 4/20. 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.
sab 4/253:32 pm
DEN
- SJU
1 stop8h 29m
Frontier
ven 5/14:11 pm
SJU
- DEN
1 stop8h 48m
Frontier
Deal found 4/20![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
dom 4/269:55 am
DEN
- SJU
1 stop11h 34m
Frontier
mar 4/283:08 am
SJU
- DEN
1 stop13h 23m
Frontier
Deal found 4/21![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 4/21. 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.
sab 5/211:59 pm
DEN
- SJU
1 stop8h 40m
Frontier
mar 5/52:56 pm
SJU
- DEN
1 stop9h 43m
Frontier
Deal found 4/21![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
dom 5/39:25 am
DEN
- SJU
1 stop14h 36m
Multiple Airlines
ven 5/88:04 pm
SJU
- DEN
2 stops36h 29m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$259
This Frontier deal was found by Cheapflights users on 4/21. 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.
dom 5/311:59 pm
DEN
- SJU
1 stop12h 14m
Frontier
sab 5/93:33 pm
SJU
- DEN
1 stop9h 38m
Frontier
Deal found 4/21![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
dom 5/311:59 pm
DEN
- SJU
1 stop12h 14m
Frontier
lun 5/116:30 am
SJU
- DEN
1 stop18h 34m
Frontier
Deal found 4/21![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 4/20. 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.
mar 5/511:56 pm
DEN
- SJU
1 stop11h 19m
Frontier
gio 5/143:12 pm
SJU
- DEN
1 stop9h 52m
Frontier
Deal found 4/20![Frontier logo]()
$251
This Priceline deal was found by Cheapflights users on 4/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 5/611:59 pm
DEN
- SJU
1 stop21h 58m
Frontier
sab 5/237:24 pm
SJU
- DEN
1 stop29h 15m
Frontier
Deal found 4/20![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
ven 5/1511:59 pm
DEN
- SJU
1 stop12h 02m
Frontier
ven 5/227:04 pm
SJU
- DEN
1 stop30h 40m
Frontier
Deal found 4/21![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
dom 5/1711:59 pm
DEN
- SJU
1 stop13h 51m
Frontier
sab 5/233:03 am
SJU
- DEN
1 stop22h 08m
Frontier
Deal found 4/20![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
mar 5/196:59 pm
DEN
- SJU
2 stops25h 44m
Frontier
sab 5/239:45 pm
SJU
- DEN
1 stop13h 12m
Frontier
Deal found 4/19![Frontier logo]()
$249
One-way flights from Denver to San JuanSearch for one-way flight options from Denver to San Juan. Find affordable one-way fares based on user searches. Data last updated aprile 24, 2026.
Search for one-way flight options from Denver to San Juan. Find affordable one-way fares based on user searches. Data last updated aprile 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
gio 5/147:15 am
DEN
- SJU
1 stop14h 42m
Frontier
Deal found 4/22![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 4/23. 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.
mar 5/2611:56 pm
DEN
- SJU
1 stop24h 12m
Frontier
Deal found 4/23![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 4/23. 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.
dom 5/316:03 am
DEN
- SJU
1 stop9h 09m
Frontier
Deal found 4/23![Frontier logo]()
$111
This eDestinos deal was found by Cheapflights users on 4/21. 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.
dom 5/2411:59 pm
DEN
- SJU
1 stop26h 02m
Frontier
Deal found 4/21![Frontier logo]()
$117
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 5/2711:40 pm
DEN
- SJU
1 stop15h 46m
Frontier
Deal found 4/20![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 4/19. 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.
dom 5/177:15 am
DEN
- SJU
1 stop14h 42m
Frontier
Deal found 4/19![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 4/20. 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.
ven 5/1511:56 pm
DEN
- SJU
1 stop11h 19m
Frontier
Deal found 4/20![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 4/19. 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.
gio 5/2811:59 pm
DEN
- SJU
1 stop26h 02m
Frontier
Deal found 4/19![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 4/23. 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.
mer 7/111:49 pm
DEN
- SJU
1 stop24h 20m
Frontier
Deal found 4/23![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 4/19. 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.
lun 4/2711:59 pm
DEN
- SJU
1 stop7h 55m
Frontier
Deal found 4/19![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 4/21. 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.
lun 5/49:55 am
DEN
- SJU
1 stop11h 34m
Frontier
Deal found 4/21![Frontier logo]()
$128
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 4/309:25 am
DEN
- SJU
1 stop14h 36m
Frontier
Deal found 4/20![Frontier logo]()
$129
Find flight deals from Denver to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to San Juan (PR1). 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 aprile 24, 2026.
Round-trip from | $248 (Priceline) |
|---|---|
One-way from | $87 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $434 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to San Juan 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 aprile 24, 2026.
Use the filters below to find and compare flights from Denver to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
mar 6/30
12:40 pm-12:15 am
2 stops9h 35m
San Juan Luis Munoz Marin Intl
sab 7/4
6:00 am-12:45 pm
2 stops8h 45m
$586
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
ven 5/29
11:35 am-11:40 pm
2 stops10h 05m
San Juan Luis Munoz Marin Intl
gio 6/4
5:30 am-1:55 pm
2 stops10h 25m
$596
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
gio 6/4
6:05 pm-5:29 am
1 stop9h 24m
San Juan Luis Munoz Marin Intl
mar 6/9
1:40 pm-6:15 pm
Nonstop6h 35m
$607
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
gio 7/2
7:35 pm-5:29 am
1 stop7h 54m
San Juan Luis Munoz Marin Intl
mar 7/7
1:40 pm-6:15 pm
Nonstop6h 35m
$609
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
sab 5/23
8:40 am-9:25 pm
2 stops10h 45m
San Juan Luis Munoz Marin Intl
ven 5/29
2:00 pm-11:15 pm
2 stops11h 15m
$616
Quickest round-trip
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
gio 7/23
9:43 am-5:38 pm
Nonstop5h 55m
San Juan Luis Munoz Marin Intl
gio 7/30
1:40 pm-6:15 pm
Nonstop6h 35m
$656
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
mar 5/12
9:43 am-5:38 pm
Nonstop5h 55m
San Juan Luis Munoz Marin Intl
lun 5/18
4:55 pm-12:44 am
1 stop9h 49m
$672
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
mer 5/27
12:40 pm-11:40 pm
2 stops9h 00m
San Juan Luis Munoz Marin Intl
dom 5/31
6:25 am-7:55 pm
2 stops15h 30m
$696
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
mar 4/28
6:15 am-6:10 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
mar 5/5
5:35 am-1:35 pm
2 stops10h 00m
$716
DenverSan Juan
DEN - SJU
DENSJU
Denver Intl
mar 7/14
11:59 pm-12:04 pm
1 stop10h 05m
San Juan Luis Munoz Marin Intl
lun 7/27
1:40 pm-6:15 pm
Nonstop6h 35m
$717
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from Denver to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Denver with our price prediction graph.
DEN-PR1
DEN-SJU
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 Denver to San Juan
DEN-PR1
DEN-SJU
How far ahead should I book a flight from Denver to San Juan?
The best time to book flights from Denver to San Juan is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Denver to San Juan?
Currently, December is the cheapest month in which you can book a flight from Denver to San Juan (average of $139). Flying from Denver to San Juan in March is currently the most expensive (average of $1,716). 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 DEN to SJU?
Find hourly flight availability from Denver to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated aprile 24, 2026.
When flying from Denver to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Denver to San Juan?
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated aprile 24, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andJetBlue from Denver to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Denver to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Denver to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to San Juan by cabin class
Find flights from Denver to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and San Juan flights
Browse other Denver and San Juan flight options. Last updated on aprile 24, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on aprile 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Denver to San Juan
Discover the top 6 airlines that operate flights from Denver to San Juan. 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 aprile 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$431 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$353 | Average$691 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$539 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$485 | Average$630 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$487 | Average$676 | FlexibilityNo cancel fee | On-time69% |