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$92+ Cheap flights from Denver to Jacksonville (DEN - JAX)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — JAX
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Jacksonville are usually found in August or September, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Denver to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Jacksonville (JAX). 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 July 28, 2025.

Round-trip from

$248
(Frontier)

One-way from

$92
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$449

Good round-trip deal

$297 or less

Good one-way deal

$211 or less
From Denver Intl to Jacksonville
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One-way flight from Denver Intl to Jacksonville
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Highest demand for flights based on searches. 7% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Denver Intl to Jacksonville.
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Price to beat on a one-way flight from Denver Intl to Jacksonville.
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Find flight deals from Denver to Jacksonville

Cheapest flights from Denver to Jacksonville
Explore the most affordable flight options available from Denver to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Frontier deal was found by Cheapflights users on 7/26. 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 8/2711:15 pmDEN - JAX
1 stop13h 29mFrontier
Sun 8/3110:56 pmJAX - DEN
1 stop11h 42mFrontier
Deal found 7/26$248
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:25 amDEN - JAX
1 stop9h 39mJetBlue
Mon 9/812:47 pmJAX - DEN
1 stop12h 09mJetBlue
Deal found 7/28$263
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/35:47 pmDEN - JAX
Nonstop3h 22mUnited Airlines
Tue 9/98:20 amJAX - DEN
Nonstop3h 47mUnited Airlines
Deal found 7/27$277
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 9/310:35 amDEN - JAX
1 stop5h 40mSouthwest
Sat 9/137:05 amJAX - DEN
Nonstop3h 40mSouthwest
Deal found 7/26$287
This Sun Country Air deal was found by Cheapflights users on 7/26. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:13 pmDEN - JAX
1 stop15h 33mSun Country Air
Mon 9/111:13 amJAX - DEN
1 stop24h 06mSun Country Air
Deal found 7/26$295
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:59 pmDEN - JAX
1 stop8h 46mDelta
Sat 9/62:40 pmJAX - DEN
1 stop7h 36mDelta
Deal found 7/26$297
This American Airlines deal was found by Cheapflights users on 7/27. 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 10/112:41 pmDEN - JAX
2 stops8h 33mAmerican Airlines
Sat 10/118:31 amJAX - DEN
1 stop7h 24mAmerican Airlines
Deal found 7/27$302

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Jacksonville 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 July 28, 2025.
Use the filters below to find and compare flights from Denver to Jacksonville that are best for you.

Fly from

Denver

Fly to

Jacksonville

Route

Depart

Return

Price

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 8/27

11:15 pm-2:44 pm

1 stop13h 29m

Jacksonville

Sun 8/31

10:56 pm-8:38 am

1 stop11h 42m

$248

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 9/4

11:25 am-11:04 pm

1 stop9h 39m

Jacksonville

Mon 9/8

12:47 pm-10:56 pm

1 stop12h 09m

$263

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 9/3

5:47 pm-11:09 pm

Nonstop3h 22m

Jacksonville

Tue 9/9

8:20 am-10:07 am

Nonstop3h 47m

$277

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 9/3

10:35 am-6:15 pm

1 stop5h 40m

Jacksonville

Sat 9/13

7:05 am-8:45 am

Nonstop3h 40m

$287

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 8/28

6:13 pm-11:46 am

1 stop15h 33m

Jacksonville

Mon 9/1

11:13 am-9:19 am

1 stop24h 06m

$295

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sat 8/30

11:59 pm-10:45 am

1 stop8h 46m

Jacksonville

Sat 9/6

2:40 pm-8:16 pm

1 stop7h 36m

$297

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 10/1

12:41 pm-11:14 pm

2 stops8h 33m

Jacksonville

Sat 10/11

8:31 am-1:55 pm

1 stop7h 24m

$302

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 9/25

8:56 am-4:37 pm

1 stop5h 41m

$92

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 10/15

12:59 am-3:58 pm

1 stop12h 59m

$93

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 8/27

5:47 pm-11:09 pm

Nonstop3h 22m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 16 results
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The best insider tips for Denver to Jacksonville 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 Denver to Jacksonville trip
Airports
DEN

For a quick departure, use the A Line train to reach DEN from Union Station in 37 minutes, avoiding parking hassles.

Read more about DENby Emily Zemler
JAX

At JAX, rental car counters are conveniently located inside baggage claim, allowing you to secure a car while waiting for luggage.

Read more about JAXby Matt Meltzer
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 Denver to Jacksonville

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Jacksonville. Price data was last updated on July 25, 2025.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Jacksonville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Denver to Jacksonville (average of $278). Flying from Denver to Jacksonville in March is currently the most expensive (average of $365). 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 JAX?

Find hourly flight availability from Denver to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s typically best to fly out from Denver to Jacksonville at noon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Jacksonville. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Denver to Jacksonville 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.

Weekly flight availability from Denver to Jacksonville

Explore weekly flight availability from Denver to Jacksonville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from DEN to JAX are scheduled on a Sunday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated July 28, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Denver to Jacksonville 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
4,237 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue
Delta
8.0
Very good
7,971 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue
United Airlines
7.4
Good
8,893 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue
JetBlue
7.3
Good
2,913 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Denver to Jacksonville. 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 Denver to Jacksonville?

    You will need to book a flight from Denver Intl to Jacksonville if you want to fly from Denver to Jacksonville. At least 7 different airlines have flights from Denver Intl (DEN) to Jacksonville (JAX) on a regular basis. There are 2 flights to Jacksonville from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to JAX to be around 3h 05m.

  • How popular is this Denver to Jacksonville flight route?

    Within the past month, 3 users have taken a look at flights from Denver Intl to Jacksonville.

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

    Our cheapest airline available from Denver to Jacksonville is Frontier. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are JetBlue and United Airlines, starting at $263 and $277 round-trip. You may be able to fly from Denver to Jacksonville for 45% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Denver to Jacksonville one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $92. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Denver to Jacksonville for a low price.

  • What are the cheapest flights from Denver to Jacksonville?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Denver Intl - Jacksonville) can be booked for $263 on average our data indicates $342 when flying from Denver to Jacksonville.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver to Jacksonville 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 Denver to Jacksonville?

    Currently, August is the cheapest month in which you can book a flight from Denver to Jacksonville (average of $278). Flying from Denver to Jacksonville in March is currently the most expensive (average of $365). 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 Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Jacksonville Beach
Orange Park
Kingsland
Fernandina Beach
Waycross

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Top 7 airlines flying from Denver to Jacksonville

Discover the top 7 airlines that operate flights from Denver to Jacksonville. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$263FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$141Average$299FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$438FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$168Average$307FlexibilityNo cancel feeOn-time83%
DeltaCheapest$216Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$341Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$360Average$488FlexibilityNo cancel feeOn-time69%

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