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$78+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$269
(Mytrip)

One-way from

$78
(Priceline)

Popular in

March

Cheapest in

August

Average price

$417

Good round-trip deal

$377 or less

Good one-way deal

$208 or less
From Jacksonville to Denver Intl
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One-way flight from Jacksonville to Denver Intl
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Jacksonville to Denver Intl.
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Price to beat on a one-way flight from Jacksonville to Denver Intl.
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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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:38 pmJAX - DEN
1 stop10h 09mFrontier
Sun 9/147:15 pmDEN - JAX
1 stop18h 06mFrontier
Deal found 8/13$269
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 10/13:06 pmJAX - DEN
2 stops9h 03mAmerican Airlines
Wed 10/811:59 pmDEN - JAX
1 stop6h 56mAmerican Airlines
Deal found 8/11$270
This Frontier deal was found by Cheapflights users on 8/13. 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 10/212:38 pmJAX - DEN
1 stop10h 09mFrontier
Sat 10/47:47 pmDEN - JAX
2 stops13h 56mFrontier
Deal found 8/13$271
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:38 pmJAX - DEN
1 stop22h 20mFrontier
Sat 9/2012:59 amDEN - JAX
1 stop8h 44mFrontier
Deal found 8/13$272
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub 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
Sun 10/57:15 pmDEN - JAX
1 stop18h 06mFrontier
Deal found 8/13$273
This Frontier deal was found by Cheapflights users on 8/12. 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 9/1112:38 pmJAX - DEN
2 stops13h 04mFrontier
Wed 9/1712:59 amDEN - JAX
1 stop8h 44mFrontier
Deal found 8/12$274
This Frontier deal was found by Cheapflights users on 8/12. 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 9/2512:38 pmJAX - DEN
1 stop10h 09mFrontier
Sat 9/2712:59 amDEN - JAX
1 stop8h 44mFrontier
Deal found 8/12$275
This CheapOair deal was found by Cheapflights users on 8/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:49 pmJAX - DEN
1 stop15h 13mFrontier
Tue 8/195:00 pmDEN - JAX
2 stops45h 45mFrontier
Deal found 8/13$276
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/36:54 pmJAX - DEN
1 stop7h 05mUnited Airlines
Wed 9/1011:54 pmDEN - JAX
1 stop7h 34mUnited Airlines
Deal found 8/12$277
This CheapOair deal was found by Cheapflights users on 8/12. 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 8/147:49 pmJAX - DEN
1 stop15h 13mFrontier
Tue 8/195:00 pmDEN - JAX
2 stops45h 45mFrontier
Deal found 8/12$278
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:05 pmJAX - DEN
1 stop16h 19mFrontier
Fri 8/2211:15 pmDEN - JAX
1 stop14h 30mFrontier
Deal found 8/13$279

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 August 14, 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

Thu 9/11

12:38 pm-8:47 pm

1 stop10h 09m

Denver Intl

Sun 9/14

7:15 pm-3:21 pm

1 stop18h 06m

$269

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 10/31

12:02 pm-9:02 am

1 stop23h 00m

Denver Intl

Sat 11/1

12:59 am-3:58 pm

1 stop13h 59m

$269

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 10/1

3:06 pm-10:09 pm

2 stops9h 03m

Denver Intl

Wed 10/8

11:59 pm-8:55 am

1 stop6h 56m

$270

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 10/5

12:38 pm-8:58 am

1 stop22h 20m

Denver Intl

Sat 10/11

12:59 am-5:10 pm

1 stop14h 11m

$270

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 10/5

12:38 pm-8:58 am

1 stop22h 20m

Denver Intl

Sat 10/11

8:00 am-5:10 pm

2 stops31h 10m

$271

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 9/14

12:38 pm-8:58 am

1 stop22h 20m

Denver Intl

Sat 9/20

12:59 am-11:43 am

1 stop8h 44m

$272

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 10/2

12:38 pm-8:47 pm

1 stop10h 09m

Denver Intl

Sun 10/5

7:15 pm-3:21 pm

1 stop18h 06m

$273

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 9/11

12:38 pm-11:42 pm

2 stops13h 04m

Denver Intl

Wed 9/17

12:59 am-11:43 am

1 stop8h 44m

$274

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 9/25

12:38 pm-8:47 pm

1 stop10h 09m

Denver Intl

Sat 9/27

12:59 am-11:43 am

1 stop8h 44m

$275

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 10/5

12:38 pm-8:47 pm

1 stop10h 09m

Denver Intl

Wed 10/8

9:14 pm-5:10 pm

2 stops17h 56m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 22 results
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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

How far ahead should I book a flight from Jacksonville to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Jacksonville to Denver. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Jacksonville to Denver, you should look to book at least 71 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.

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 August 14, 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 August 10, 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.

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 August 14, 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
4,244 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

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
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

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
7,980 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

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
8,916 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

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
4,244 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

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
3,217 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

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 35m 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 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $128 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at $147 and $202 round-trip. Frontier is currently priced 72% 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 $157. On average you can expect to pay $718. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $217.

  • 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
Westminster
Black Hawk
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Thornton
Broomfield
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Brighton
Longmont

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Jacksonville to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$260FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$147Average$310FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$202Average$453FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$443FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$478FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$341Average$464FlexibilityNo cancel feeOn-time63%

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