$154 Cheap Flights from San Juan (SJU) to Denver (DEN)

View $154 flight on Tue, May 6, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Denver (SJU-DEN)

Prices were available within the past 7 days and start at $154 for one-way flights and $303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, May 2 - Sat, May 3
SJU
San Juan
DEN
Denver
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 2 from San Juan to Denver, returning Sat, May 3, priced at $303 found 1 day ago
Frontier Airlines
Fri, May 16 - Wed, May 21
SJU
San Juan
DEN
Denver
$308 Roundtrip, just found
$308
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 16 from San Juan to Denver, returning Wed, May 21, priced at $308 just found
Frontier Airlines
Fri, May 16 - Wed, May 21
SJU
San Juan
DEN
Denver
$318 Roundtrip, just found
$318
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 16 from San Juan to Denver, returning Wed, May 21, priced at $318 just found
Frontier Airlines
Thu, May 15 - Thu, May 29
SJU
San Juan
DEN
Denver
$328 Roundtrip, found 2 hours ago
$328
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, May 15 from San Juan to Denver, returning Thu, May 29, priced at $328 found 2 hours ago
Frontier Airlines
Thu, May 8 - Wed, May 14
SJU
San Juan
DEN
Denver
$328 Roundtrip, just found
$328
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 8 from San Juan to Denver, returning Wed, May 14, priced at $328 just found
JetBlue Airways
Fri, Dec 5 - Mon, Dec 8
SJU
San Juan
DEN
Denver
$338 Roundtrip, found 1 hour ago
$338
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Fri, Dec 5 from San Juan to Denver, returning Mon, Dec 8, priced at $338 found 1 hour ago
Frontier Airlines
Mon, Jun 9 - Sat, Jun 14
SJU
San Juan
DEN
Denver
$338 Roundtrip, found 1 hour ago
$338
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jun 9 from San Juan to Denver, returning Sat, Jun 14, priced at $338 found 1 hour ago
Southwest Airlines
Thu, Jun 5 - Wed, Jun 11
SJU
San Juan
DEN
Denver
$352 Roundtrip, found 4 hours ago
$352
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Thu, Jun 5 from San Juan to Denver, returning Wed, Jun 11, priced at $352 found 4 hours ago
Delta
Sat, Oct 25 - Mon, Nov 3
SJU
San Juan
DEN
Denver
$415 Roundtrip, just found
$415
Roundtrip
just found
Select Delta flight, departing Sat, Oct 25 from San Juan to Denver, returning Mon, Nov 3, priced at $415 just found
Sun Country Airlines
Sat, Oct 4 - Fri, Oct 24
SJU
San Juan
DEN
Denver
$445 Roundtrip, found 3 days ago
$445
Roundtrip
found 3 days ago
Select Sun Country Airlines flight, departing Sat, Oct 4 from San Juan to Denver, returning Fri, Oct 24, priced at $445 found 3 days ago

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN) cost?
Pick up cheap return fares starting at $486 from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SJU on May 21 2025 and touching down at DEN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SJU to DEN?
The cheapest flights from SJU to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
Fly nonstop from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN) on a United Airlines flight.
What is the cheapest airline that flies from SJU to DEN?
Currently, the cheapest carrier offering one-way flights from SJU to DEN is United. You can jet off on this route from $303. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on July 15 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
On average, Luis Munoz Marin Intl. Airport (SJU) only has 1 direct flight to Denver Intl. Airport (DEN) daily. For more options, try our easy-to-use filter tool. Enter your preferred travel dates, then select “1 Stop” or “2+ Stops” to find flights with layovers.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
Flights between SJU and DEN are their busiest at 2 PM. If you’d like a more relaxed atmosphere and possibly cheaper fares, look for a departure outside the usual busy windows.
What day of the week has the most flights from SJU to DEN?
Friday has the most flights from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN). Consider taking off on this day and you’ll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
Luis Munoz Marin Intl. Airport (SJU)’s first flight to Denver Intl. Airport (DEN) leaves at approximately 2:25PM UTC-4. With a travel duration of 6h 44m, you’ll land at around 6:09PM UTC-7.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
The average flight time from SJU to DEN is 6 hours and 44 minutes, covering a total distance of 2,700 mi.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Denver from Luis Munoz Marin Intl. Airport (SJU)?
If you’re flying on a direct flight from Luis Munoz Marin Intl. Airport (SJU) to Denver, Denver Intl. Airport (DEN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN) last-minute?
Holding off until just before your trip to book a flight from SJU to DEN often results in higher prices. While you may find some last-minute offers, they’re not always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a SJU to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJU to DEN flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Denver Intl. Airport (DEN)?
In most cases, you’re able to cancel or reschedule your SJU to DEN flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like further information, visit our Customer Service portal.
*Available to One Key members.