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$64+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — JAX
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Find cheap flights from Denver to Jacksonville 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

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Cheapflights Tip: The best prices from Denver Intl to Jacksonville are usually found in September or August, booked 76 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

December

Cheapest in

September

Average price

$464

Good round-trip deal

$439 or less

Good one-way deal

$224 or less
Provider with most accurate pricing for Denver Intl-Jacksonville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Jacksonville flights.
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From Denver Intl to Jacksonville
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One-way flight from Denver Intl to Jacksonville
Search Deals
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 ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Sat 2/2111:00 amDEN - JAX
1 stop21h 41mMultiple Airlines
Sat 2/287:56 pmJAX - DEN
1 stop15h 20mMultiple Airlines
Deal found 1/8$231
This JetBlue deal was found by Cheapflights users on 1/8. 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 6/410:34 pmDEN - JAX
1 stop8h 13mJetBlue
Sun 6/74:38 pmJAX - DEN
1 stop8h 23mJetBlue
Deal found 1/8$235
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/224:07 pmDEN - JAX
1 stop22h 57mMultiple Airlines
Sun 1/259:42 pmJAX - DEN
1 stop22h 20mMultiple Airlines
Deal found 1/8$239
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/1912:59 amDEN - JAX
1 stop16h 18mFrontier
Mon 2/237:24 pmJAX - DEN
1 stop18h 32mFrontier
Deal found 1/8$244
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/294:07 pmDEN - JAX
1 stop22h 57mMultiple Airlines
Wed 2/117:53 pmJAX - DEN
2 stops21h 09mMultiple Airlines
Deal found 1/8$247
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/51:48 pmDEN - JAX
2 stops26h 35mMultiple Airlines
Sun 2/812:05 pmJAX - DEN
1 stop7h 28mMultiple Airlines
Deal found 1/6$249
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/1612:05 amDEN - JAX
1 stop17h 17mFrontier
Mon 1/267:18 pmJAX - DEN
2 stops26h 10mFrontier
Deal found 1/8$251
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/217:30 amDEN - JAX
2 stops25h 11mMultiple Airlines
Mon 1/267:18 pmJAX - DEN
1 stop19h 01mMultiple Airlines
Deal found 1/5$253
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/297:35 amDEN - JAX
2 stops11h 17mMultiple Airlines
Fri 1/307:18 pmJAX - DEN
1 stop19h 01mMultiple Airlines
Deal found 1/7$254
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 1/217:30 amDEN - JAX
1 stop8h 53mFrontier
Fri 1/237:18 pmJAX - DEN
1 stop19h 01mFrontier
Deal found 1/6$258

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 January 8, 2026.
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

Mon 3/30

10:44 pm-10:09 am

1 stop9h 25m

Jacksonville

Wed 4/29

6:00 am-3:30 pm

1 stop11h 30m

$279

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 3/18

4:06 pm-9:21 pm

Nonstop3h 15m

Jacksonville

Wed 3/25

8:04 am-10:10 am

Nonstop4h 06m

$301

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 2/19

7:00 am-6:24 pm

1 stop9h 24m

Jacksonville

Mon 2/23

12:05 pm-8:50 pm

1 stop10h 45m

$309

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Mon 3/16

12:35 am-11:03 am

1 stop8h 28m

Jacksonville

Tue 3/17

3:59 pm-10:18 pm

1 stop8h 19m

$321

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Tue 3/31

7:05 am-2:52 pm

1 stop5h 47m

Jacksonville

Thu 4/30

6:59 pm-12:26 am

1 stop7h 27m

$321

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sun 3/29

12:55 am-10:18 am

1 stop7h 23m

Jacksonville

Mon 4/27

2:41 pm-6:57 pm

1 stop6h 16m

$321

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Tue 3/17

7:20 am-6:05 pm

2 stops8h 45m

Jacksonville

Tue 3/17

7:30 pm-11:35 pm

1 stop6h 05m

$326

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Fri 3/13

11:59 pm-9:36 am

1 stop7h 37m

Jacksonville

Sun 3/22

6:15 am-1:44 pm

1 stop9h 29m

$379

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Fri 2/20

11:15 am-4:25 pm

Nonstop3h 10m

Jacksonville

Mon 2/23

4:20 pm-6:20 pm

Nonstop4h 00m

$385

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sat 3/28

10:44 pm-9:46 am

1 stop9h 02m

Jacksonville

Wed 4/29

6:00 am-3:30 pm

1 stop11h 30m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 21 results
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Compare providers for flights from Denver to Jacksonville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Jacksonville in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Jacksonville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Jacksonville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Jacksonville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Jacksonville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Jacksonville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 2, 2026.

Booking 76 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, July is the cheapest month in which you can book a flight from Denver to Jacksonville (average of $146). Flying from Denver to Jacksonville in March is currently the most expensive (average of $275). 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 January 8, 2026.

It’s typically best to fly out from Denver to Jacksonville in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.

The best insider tips for Denver to Jacksonville flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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

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 January 8, 2026.
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
4,250 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

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
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

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
7.9
Good
8,025 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

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
9,139 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

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
11,095 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

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
5.7
Fair
3,062 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

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 05m.

  • How popular is this Denver to Jacksonville flight route?

    Within the past month, 6 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 15m. 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 Frontier. Our recent data shows that you can find tickets from as low as $116 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $141 and $171 round-trip. You may be able to fly from Denver to Jacksonville for 74% 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 Frontier, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from JetBlue 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 $112. While the most popular route (Denver Intl - Jacksonville) can be booked for $173 on average, our data indicates $441 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, July is the cheapest month in which you can book a flight from Denver to Jacksonville (average of $146). Flying from Denver to Jacksonville in March is currently the most expensive (average of $275). 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
Fernandina Beach
Kingsland
Waycross
Yulee

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Alternative routes for Denver to Jacksonville

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$141Average$278FlexibilityNo cancel feeOn-time62%
FrontierCheapest$146Average$284FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$176Average$373FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$429FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$306Average$465FlexibilityNo cancel feeOn-time63%

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