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$84+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — JAX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 85 days in advance, depart on a Tuesday or Friday 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 September 17, 2025.

Round-trip from

$205
(CheapOair)

One-way from

$84
(Frontier)

Popular in

December

Cheapest in

August

Average price

$366

Good round-trip deal

$349 or less

Good one-way deal

$224 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 ($39 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 September 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 September 17, 2025.

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.
Wed 10/292:45 pmDEN - JAX
1 stop23h 28mFrontier
Mon 11/37:04 pmJAX - DEN
1 stop6h 44mFrontier
Deal found 9/15$205
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 9/257:15 pmDEN - JAX
1 stop18h 06mFrontier
Thu 10/212:38 pmJAX - DEN
1 stop10h 09mFrontier
Deal found 9/14$209
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:15 pmDEN - JAX
1 stop20h 38mFrontier
Sat 11/810:38 pmJAX - DEN
2 stops36h 25mFrontier
Deal found 9/16$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.
Wed 10/112:59 amDEN - JAX
1 stop8h 44mFrontier
Sun 10/512:38 pmJAX - DEN
2 stops21h 17mFrontier
Deal found 9/15$213
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.
Wed 10/811:06 amDEN - JAX
1 stop21h 07mMultiple Airlines
Sun 10/1211:03 amJAX - DEN
1 stop6h 41mMultiple Airlines
Deal found 9/15$215
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:59 amDEN - JAX
1 stop13h 14mFrontier
Fri 11/710:10 amJAX - DEN
1 stop24h 25mFrontier
Deal found 9/16$216
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:05 pmDEN - JAX
1 stop19h 04mFrontier
Mon 11/37:04 pmJAX - DEN
1 stop6h 44mFrontier
Deal found 9/16$218
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:06 amDEN - JAX
1 stop21h 07mMultiple Airlines
Mon 10/1311:37 amJAX - DEN
1 stop13h 22mMultiple Airlines
Deal found 9/16$222
This Frontier deal was found by Cheapflights users on 9/17. 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.
Thu 10/99:19 pmDEN - JAX
1 stop11h 33mFrontier
Sun 10/129:59 pmJAX - DEN
1 stop12h 59mFrontier
Deal found 9/17$224
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.
Thu 11/611:15 pmDEN - JAX
1 stop8h 00mFrontier
Sun 11/95:18 pmJAX - DEN
1 stop17h 45mFrontier
Deal found 9/15$225
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/2212:59 amDEN - JAX
1 stop14h 09mFrontier
Sun 10/266:05 pmJAX - DEN
1 stop16h 58mFrontier
Deal found 9/17$226

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 September 17, 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

Sat 10/11

3:40 pm-11:15 pm

1 stop5h 35m

Jacksonville

Tue 10/14

7:00 am-12:45 pm

1 stop7h 45m

$329

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sat 11/15

9:40 am-2:50 pm

Nonstop3h 10m

Jacksonville

Mon 11/17

7:40 am-9:30 am

Nonstop3h 50m

$331

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 1/28

10:50 am-6:10 pm

1 stop5h 20m

Jacksonville

Sat 1/31

11:40 am-4:50 pm

2 stops7h 10m

$339

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 12/11

1:25 pm-9:48 pm

1 stop6h 23m

Jacksonville

Mon 12/15

4:30 pm-6:25 pm

Nonstop3h 55m

$341

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Fri 10/31

5:55 pm-11:15 pm

Nonstop3h 20m

Jacksonville

Sat 11/8

4:26 pm-6:23 pm

Nonstop3h 57m

$342

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 12/11

1:10 pm-6:20 pm

Nonstop3h 10m

Jacksonville

Mon 12/15

7:40 am-9:30 am

Nonstop3h 50m

$342

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 10/30

5:55 pm-11:15 pm

Nonstop3h 20m

Jacksonville

Fri 11/7

4:26 pm-6:23 pm

Nonstop3h 57m

$342

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sat 11/1

3:55 pm-9:15 pm

Nonstop3h 20m

Jacksonville

Fri 11/7

4:26 pm-6:23 pm

Nonstop3h 57m

$342

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 10/29

3:00 pm-8:10 pm

Nonstop3h 10m

Jacksonville

Mon 11/3

7:40 am-9:30 am

Nonstop3h 50m

$353

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Fri 10/17

5:35 am-4:15 pm

1 stop8h 40m

Jacksonville

Tue 10/21

2:50 pm-8:50 pm

2 stops8h 00m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 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 September 12, 2025.

Booking 85 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 September 17, 2025.

It’s typically best to fly out from Denver to Jacksonville at noon. Doing so could potentially save you 20% 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 September 14, 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 17, 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
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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 6 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 17m.

  • How popular is this Denver to Jacksonville flight route?

    Within the past month, 4 users have taken a look at flights from Denver Intl to Jacksonville.

  • How long is the flight from Denver to Jacksonville?

    Departing from Denver to Jacksonville will take you 3h 10m. The distance from Denver to Jacksonville is about 1444 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Denver to Jacksonville is JetBlue. Our recent data shows that you can find tickets from as low as $141 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $148 and $158 round-trip. You may be able to fly from Denver to Jacksonville for 68% less than the average price by searching for these airlines.

  • What are the cheapest flights from Denver to Jacksonville?

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (Denver Intl - Jacksonville) can be booked for $230 on average, our data indicates $386 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 6 airlines flying from Denver to Jacksonville

Discover the top 6 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$141Average$296FlexibilityNo cancel feeOn-time62%
FrontierCheapest$148Average$262FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$384FlexibilityNo cancel feeOn-time71%
DeltaCheapest$192Average$420FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$315Average$470FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$489FlexibilityNo cancel feeOn-time69%

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