$90+ Cheap flights from San Juan to Colorado
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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DEN
Jan 17 — Jan 241
1 adult, Economy
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Cheapest flights from San Juan to ColoradoExplore the most affordable flight options available from San Juan to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from San Juan to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:36 pmSJU - DEN
1 stop15h 20mFrontier
Mon 12/296:00 amDEN - SJU
1 stop16h 24mFrontier
Deal found 12/17![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/303:14 pmSJU - DEN
1 stop19h 35mFrontier
Sat 1/106:33 pmDEN - SJU
1 stop11h 21mFrontier
Deal found 12/16![Frontier logo]()
$222
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:14 pmSJU - DEN
1 stop9h 35mFrontier
Fri 1/26:00 amDEN - SJU
1 stop15h 54mFrontier
Deal found 12/16![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/248:36 pmSJU - DEN
1 stop15h 20mMultiple Airlines
Wed 12/3111:06 pmDEN - SJU
1 stop17h 07mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/241:59 amSJU - DEN
1 stop24h 00mFrontier
Mon 12/296:05 amDEN - SJU
1 stop29h 52mFrontier
Deal found 12/17![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 12/16. 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.
Sat 12/2011:57 amSJU - DEN
1 stop14h 02mFrontier
Sat 1/106:33 pmDEN - SJU
1 stop11h 21mFrontier
Deal found 12/16![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:41 pmSJU - DEN
1 stop25h 13mFrontier
Mon 1/56:00 amDEN - SJU
1 stop16h 24mFrontier
Deal found 12/16![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:22 pmSJU - DEN
1 stop18h 34mFrontier
Mon 12/296:00 amDEN - SJU
1 stop16h 24mFrontier
Deal found 12/17![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 12/17. 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.
Wed 12/248:36 pmSJU - DEN
1 stop15h 20mFrontier
Tue 12/309:24 amDEN - SJU
1 stop14h 26mFrontier
Deal found 12/17![Frontier logo]()
$245
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 amSJU - DEN
1 stop10h 50mFrontier
Mon 12/296:00 amDEN - SJU
1 stop16h 24mFrontier
Deal found 12/17![Frontier logo]()
$246
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:30 amSJU - COS
1 stop11h 35mAmerican Airlines
Tue 12/306:00 amCOS - SJU
1 stop14h 22mAmerican Airlines
Deal found 12/16![American Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/242:25 pmSJU - COS
1 stop8h 51mUnited Airlines
Thu 1/17:40 amCOS - SJU
2 stops13h 56mUnited Airlines
Deal found 12/16![United Airlines logo]()
$497
Find flight deals from San Juan to Colorado
Keep the following information in mind while searching for San Juan to Colorado flight deals. Data was last updated December 18, 2025.
Round-trip from | $202 (CheapOair) |
|---|---|
One-way from | $90 (Priceline) |
Popular in | May |
Cheapest in | February |
Average price | $495 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Colorado 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 December 18, 2025.
Use the filters below to find and compare flights from San Juan to Colorado that are best for you.
Fly from
San Juan
Fly to
Colorado
Route
Depart
Return
Price
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Fri 1/23
11:34 am-5:36 pm
1 stop9h 02m
Denver Intl
Tue 1/27
10:40 am-11:59 pm
1 stop10h 19m
$215
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Sat 1/24
4:36 pm-12:28 pm
1 stop22h 52m
Denver Intl
Fri 1/30
6:32 pm-11:59 pm
1 stop26h 27m
$215
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Mon 1/26
8:00 am-5:36 pm
1 stop12h 36m
Denver Intl
Thu 1/29
9:41 am-10:24 am
2 stops21h 43m
$235
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Wed 1/21
4:36 pm-8:30 am
1 stop18h 54m
Denver Intl
Sun 1/25
6:30 am-6:58 pm
2 stops33h 28m
$236
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Sat 1/24
8:00 am-5:36 pm
1 stop12h 36m
Denver Intl
Fri 1/30
9:00 pm-12:44 pm
2 stops36h 44m
$250
San JuanColorado Springs
SJU - COS
SJUCOS
San Juan Luis Munoz Marin Intl
Tue 3/24
1:30 am-12:48 pm
1 stop13h 18m
Colorado Springs
Tue 3/31
5:07 pm-12:33 pm
2 stops17h 26m
$265
San JuanColorado Springs
SJU - COS
SJUCOS
San Juan Luis Munoz Marin Intl
Fri 1/30
6:00 am-2:09 pm
2 stops11h 09m
Colorado Springs
Sun 2/1
6:12 am-10:26 pm
1 stop13h 14m
$265
San JuanColorado Springs
SJU - COS
SJUCOS
San Juan Luis Munoz Marin Intl
Fri 1/16
5:51 pm-9:51 am
2 stops19h 00m
Colorado Springs
Tue 1/20
3:17 pm-10:48 am
2 stops16h 31m
$265
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Sun 1/25
6:00 am-5:08 pm
1 stop14h 08m
Denver Intl
Thu 1/29
6:32 pm-10:24 am
1 stop12h 52m
$266
San JuanDenver
SJU - DEN
SJUDEN
San Juan Luis Munoz Marin Intl
Tue 1/27
8:00 am-12:19 pm
2 stops31h 19m
Denver Intl
Sat 1/31
6:00 am-12:44 pm
2 stops27h 44m
$282
Showing 1-10 of 37 results
Best time to book a flight from San Juan to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from San Juan with our price prediction graph.
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 Colorado
What is the cheapest month to book a flight from San Juan to Colorado?
Currently, March is the cheapest month in which you can book a flight from San Juan to Colorado (average of $128). Flying from San Juan to Colorado in May is currently the most expensive (average of $301). 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 CO?
Find hourly flight availability from San Juan to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
When flying from San Juan to Colorado, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 41% versus a flight at noon.
What is the cheapest day to fly from San Juan to Colorado?
Use this chart to determine the cheapest time to fly round-trip from San Juan to Colorado. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Juan to Colorado flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Juan to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
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 Colorado. 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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Alternative routes for San Juan to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Juan to Colorado
Discover the top 6 airlines that operate flights from San Juan to Colorado. 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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$635 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$438 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$308 | Average$511 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$545 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$320 | Average$594 | FlexibilityNo cancel fee | On-time69% |