HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$84+ Cheap flights from Jacksonville to Denver (JAX - 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Jacksonville 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 Jacksonville to Denver Intl are usually found in August or September, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Jacksonville to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) 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 September 16, 2025.

Round-trip from

$208
(Kiwi.com)

One-way from

$84
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$412

Good round-trip deal

$374 or less

Good one-way deal

$197 or less
From Jacksonville to Denver Intl
Search Deals
One-way flight from Jacksonville to Denver Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Jacksonville to Denver Intl.
Search Deals
Price to beat on a one-way flight from Jacksonville to Denver Intl.
Search Deals

Find flight deals from Jacksonville to Denver

Cheapest flights from Jacksonville to Denver
Explore the most affordable flight options available from Jacksonville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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.
Thu 10/212:38 pmJAX - DEN
1 stop10h 09mFrontier
Sat 10/45:50 pmDEN - JAX
2 stops15h 53mFrontier
Deal found 9/16$206
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 12/58:00 pmJAX - DEN
1 stop13h 15mFrontier
Mon 12/86:45 amDEN - JAX
1 stop10h 20mFrontier
Deal found 9/15$208
This Frontier deal was found by Cheapflights users on 9/15. 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.
Fri 11/143:20 pmJAX - DEN
1 stop8h 08mFrontier
Sun 11/166:00 amDEN - JAX
2 stops8h 23mFrontier
Deal found 9/15$212
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Sun 10/266:05 pmJAX - DEN
1 stop16h 58mFrontier
Thu 10/306:00 amDEN - JAX
2 stops8h 13mFrontier
Deal found 9/15$213
This Frontier deal was found by Cheapflights users on 9/13. 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.
Thu 10/3010:38 pmJAX - DEN
1 stop11h 57mFrontier
Mon 11/36:25 amDEN - JAX
2 stops13h 28mFrontier
Deal found 9/13$218
This CheapOair deal was found by Cheapflights users on 9/14. 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 11/65:13 pmJAX - DEN
2 stops44h 15mFrontier
Sat 11/812:59 amDEN - JAX
1 stop13h 24mFrontier
Deal found 9/14$219
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Fri 11/710:10 amJAX - DEN
1 stop24h 25mFrontier
Sun 11/911:15 pmDEN - JAX
1 stop20h 28mFrontier
Deal found 9/15$221
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Sun 10/512:38 pmJAX - DEN
1 stop22h 20mFrontier
Sat 10/117:52 pmDEN - JAX
2 stops19h 18mFrontier
Deal found 9/14$222
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Sun 10/266:05 pmJAX - DEN
1 stop16h 58mFrontier
Tue 10/2812:16 amDEN - JAX
2 stops37h 57mFrontier
Deal found 9/14$224
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Sun 10/196:05 pmJAX - DEN
2 stops31h 20mFrontier
Sat 10/2512:25 pmDEN - JAX
1 stop26h 45mFrontier
Deal found 9/14$225
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/1611:03 amJAX - DEN
1 stop6h 41mMultiple Airlines
Wed 10/2211:06 amDEN - JAX
1 stop21h 07mMultiple Airlines
Deal found 9/13$226

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 September 16, 2025.
Use the filters below to find and compare flights from Jacksonville to Denver that are best for you.

Fly from

Jacksonville

Fly to

Denver

Route

Depart

Return

Price

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 10/7

8:15 am-10:03 am

Nonstop3h 48m

Denver Intl

Tue 10/14

5:51 pm-11:15 pm

Nonstop3h 24m

$297

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 10/14

11:55 am-4:25 pm

1 stop6h 30m

Denver Intl

Tue 10/21

9:51 am-3:13 pm

Nonstop3h 22m

$307

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 12/9

11:49 am-3:12 pm

1 stop5h 23m

Denver Intl

Tue 12/9

11:59 pm-10:43 am

1 stop8h 44m

$317

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 12/3

5:10 am-9:28 am

1 stop6h 18m

Denver Intl

Mon 12/8

12:50 am-10:44 am

1 stop7h 54m

$317

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 10/14

6:50 pm-10:05 pm

1 stop5h 15m

Denver Intl

Tue 10/21

10:20 am-8:50 pm

2 stops8h 30m

$322

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 10/28

7:00 am-11:56 am

1 stop6h 56m

Denver Intl

Sat 11/1

10:00 am-3:20 pm

Nonstop3h 20m

$324

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 10/11

4:01 pm-9:41 pm

1 stop7h 40m

Denver Intl

Mon 10/13

12:50 am-8:59 am

1 stop6h 09m

$334

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 12/5

4:30 pm-6:25 pm

Nonstop3h 55m

Denver Intl

Wed 12/10

11:21 am-9:32 pm

1 stop8h 11m

$335

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 11/12

8:15 am-2:04 pm

1 stop7h 49m

Denver Intl

Thu 11/13

12:50 am-8:36 am

1 stop5h 46m

$345

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 11/8

10:04 am-3:07 pm

1 stop7h 03m

Denver Intl

Mon 11/10

3:14 pm-11:04 pm

1 stop5h 50m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
1
2
3

The best insider tips for Jacksonville to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Jacksonville to Denver trip
Airports
JAX

JAX offers quick screening times at TSA and easy check-in, making it one of the most convenient airports in Florida.

Read more about JAXby Matt Meltzer
DEN

Take the A Line train from DEN to Union Station for a quick 37-minute ride into downtown Denver.

Read more about DENby Emily Zemler
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on JAX

Matt Meltzer

Matt Meltzer

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Jacksonville to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Jacksonville 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 Jacksonville to Denver

What is the cheapest month to book a flight from Jacksonville to Denver?

Currently, October is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $197). Flying from Jacksonville to Denver in March is currently the most expensive (average of $278). 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 JAX to DEN?

Find hourly flight availability from Jacksonville 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 September 16, 2025.

It’s typically best to fly out from Jacksonville to Denver at noon. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Jacksonville to Denver?

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Denver. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Jacksonville to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Jacksonville to Denver?

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 September 16, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Jacksonville to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Jacksonville to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Jacksonville to Denver?

    If you book a flight from Jacksonville to Denver, you will be flying from Jacksonville to Denver Intl. Flights to Denver Intl (DEN) from Jacksonville (JAX) take 3h 43m for a nonstop flight. There is 1 flight from Jacksonville to Denver per day from 6 airlines.

  • How popular is this Jacksonville to Denver flight route?

    This flight path from Jacksonville to Denver Intl was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Jacksonville to Denver?

    Airlines like United Airlines and Delta fly from Jacksonville to Denver in about 3h 48m. The time it takes to get you to your destination can typically vary by up to 1h 35m. There are 1444 mi between Jacksonville and Denver. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Jacksonville to Denver round-trip?

    Our cheapest airline available from Jacksonville to Denver is Frontier. Our recent data shows that you can find tickets from as low as $130 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at $147 and $193 round-trip. Frontier is currently priced 71% below the average price you’ll pay for this route.

  • What are the cheapest flights from Jacksonville to Denver?

    The cheapest flight price from Jacksonville to Denver is $138. On average you can expect to pay $673. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $202.

  • Can I find deals for flights from Jacksonville to Denver that include hotel bookings?

    Yes. In addition to deals on Jacksonville to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Jacksonville to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jacksonville to Denver.

  • Can I find deals for business class flights from Jacksonville to Denver?

    Yes. Cheapflights offers flight deals from Jacksonville to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Jacksonville to Denver?

    Currently, October is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $197). Flying from Jacksonville to Denver in March is currently the most expensive (average of $278). 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.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Jacksonville to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Denver flights
Miami to Denver flights
Tampa to Denver flights
Fort Lauderdale to Denver flights
West Palm Beach to Denver flights
Fort Myers to Denver flights
Pensacola to Denver flights
Sarasota to Denver flights
Panama City to Denver flights
Panama City to Colorado Springs flights
Orlando to Colorado Springs flights
Miami to Vail flights
Orlando to Hayden flights
Tampa to Grand Junction flights
Fort Lauderdale to Colorado Springs flights
Jacksonville to Colorado Springs flights
Miami to Aspen flights
West Palm Beach to Aspen flights
Fort Lauderdale to Hayden flights
Tampa to Colorado Springs flights
Gainesville to Denver flights
Fort Lauderdale to Aspen flights
Orlando to Aspen flights
Orlando to Vail flights
West Palm Beach to Colorado Springs flights
Orlando to Grand Junction flights
Miami to Grand Junction flights
Tallahassee to Denver flights
Fort Lauderdale to Montrose flights
Miami to Montrose flights
Miami to Colorado Springs flights
Tampa to Hayden flights
Melbourne to Denver flights
Fort Myers to Colorado Springs flights
West Palm Beach to Vail flights
Pensacola to Colorado Springs flights
Tampa to Montrose flights
Valparaiso to Denver flights
Fort Lauderdale to Vail flights
Tampa to Durango flights
Miami to Hayden flights
Jacksonville to Vail flights
Fort Lauderdale to Grand Junction flights
Daytona Beach to Denver flights
Orlando to Montrose flights
Tampa to Vail flights
Orlando to Gunnison flights
West Palm Beach to Durango flights
Jacksonville to Aspen flights

Top 6 airlines flying from Jacksonville to Denver

Discover the top 6 airlines that operate flights from Jacksonville 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$262FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$147Average$310FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$193Average$453FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$429FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$292Average$478FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$324Average$466FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.