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$61+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — JAX
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Find cheap flights from Denver to Jacksonville with Cheapflights

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Cheapflights Tip: The best prices from Denver Intl to Jacksonville are usually found in September or August, booked 58 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap 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 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/106:30 am
DEN
-
JAX
1 stop9h 21m
Frontier
Tue 9/156:46 pm
JAX
-
DEN
1 stop16h 45m
Frontier
Deal found 7/19$118
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Tue 9/226:30 am
DEN
-
JAX
1 stop9h 21m
Frontier
Sun 9/276:46 pm
JAX
-
DEN
1 stop16h 45m
Frontier
Deal found 7/18$119
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Mon 9/216:30 am
DEN
-
JAX
1 stop9h 21m
Frontier
Tue 9/296:46 pm
JAX
-
DEN
1 stop16h 45m
Frontier
Deal found 7/19$120
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/206:30 am
DEN
-
JAX
1 stop9h 40m
Frontier
Sun 8/237:05 pm
JAX
-
DEN
1 stop16h 14m
Frontier
Deal found 7/20$121
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 9/226:30 am
DEN
-
JAX
1 stop9h 21m
Frontier
Tue 9/296:46 pm
JAX
-
DEN
1 stop16h 45m
Frontier
Deal found 7/19$122
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/2211:59 pm
DEN
-
JAX
1 stop16h 11m
Frontier
Tue 8/257:05 pm
JAX
-
DEN
1 stop29h 05m
Frontier
Deal found 7/20$123
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/126:30 am
DEN
-
JAX
1 stop9h 04m
Frontier
Sun 8/166:29 pm
JAX
-
DEN
1 stop16h 34m
Frontier
Deal found 7/18$124
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 10/136:30 am
DEN
-
JAX
1 stop9h 21m
Frontier
Fri 10/166:46 pm
JAX
-
DEN
1 stop29h 47m
Frontier
Deal found 7/20$125
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Mon 8/316:30 am
DEN
-
JAX
1 stop9h 40m
Frontier
Tue 9/17:05 pm
JAX
-
DEN
1 stop16h 14m
Frontier
Deal found 7/21$129
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Mon 8/2411:59 pm
DEN
-
JAX
1 stop16h 11m
Frontier
Fri 8/287:05 pm
JAX
-
DEN
1 stop16h 14m
Frontier
Deal found 7/18$130
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/1511:59 pm
DEN
-
JAX
1 stop15h 52m
Frontier
Tue 9/226:46 pm
JAX
-
DEN
1 stop21h 14m
Frontier
Deal found 7/22$131
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/96:30 am
DEN
-
JAX
1 stop9h 21m
Frontier
Sat 9/126:46 pm
JAX
-
DEN
1 stop16h 45m
Frontier
Deal found 7/21$133

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$118
(Kiwi.com)

One-way from

$61
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$438

Good round-trip deal

$375 or less

Good one-way deal

$205 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.
Search Deals
From Denver Intl to Jacksonville
Search Deals
One-way flight from Denver Intl to Jacksonville
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($43 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 July 2026
Search Deals
Price to beat on a round-trip flight from Denver Intl to Jacksonville.
Search Deals
Price to beat on a one-way flight from Denver Intl to Jacksonville.
Search Deals

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 23, 2026.
Use the filters below to find and compare flights from Denver to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 8/20

4:20 pm-9:46 pm

Nonstop3h 26m

Jacksonville

Thu 8/27

3:07 pm-4:56 pm

Nonstop3h 49m

$297

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Mon 8/31

4:20 pm-9:46 pm

Nonstop3h 26m

Jacksonville

Tue 9/1

8:15 am-10:05 am

Nonstop3h 50m

$297

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Tue 9/15

1:40 pm-9:15 pm

1 stop5h 35m

Jacksonville

Tue 9/22

8:55 am-10:30 am

Nonstop3h 35m

$307

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Mon 8/31

5:15 am-3:15 pm

1 stop8h 00m

Jacksonville

Tue 9/1

8:55 am-10:30 am

Nonstop3h 35m

$307

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sat 9/5

11:15 am-7:15 pm

2 stops6h 00m

Jacksonville

Sat 9/12

11:15 am-6:25 pm

2 stops9h 10m

$327

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sat 8/8

4:07 pm-9:40 pm

Nonstop3h 33m

Jacksonville

Tue 8/11

9:35 am-3:17 pm

1 stop7h 42m

$331
Quickest round-trip

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Thu 8/20

11:00 am-4:15 pm

Nonstop3h 15m

Jacksonville

Mon 8/24

4:50 pm-6:25 pm

Nonstop3h 35m

$353

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 10/21

11:55 am-9:15 pm

2 stops7h 20m

Jacksonville

Mon 10/26

6:35 am-12:30 pm

2 stops7h 55m

$361

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Mon 8/17

11:50 am-9:05 pm

2 stops7h 15m

Jacksonville

Sat 8/22

6:15 am-10:50 am

2 stops6h 35m

$373

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Sun 9/13

4:20 pm-9:46 pm

Nonstop3h 26m

Jacksonville

Fri 9/18

4:45 pm-10:13 pm

1 stop7h 28m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 23 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Jacksonville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

Booking 57 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, September is the cheapest month in which you can book a flight from Denver to Jacksonville (average of $352). Flying from Denver to Jacksonville in March is currently the most expensive (average of $535). 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 23, 2026.

It’s typically best to fly out from Denver to Jacksonville in the afternoon. Doing so could potentially save you 8% on the flight price compared to flying in the evening, which is usually more expensive.

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

Airfare is below average for this route at the moment.

Denver to Jacksonville flights typically cost between $354 and $522 in September.
The cheapest round-trip price found within the last 5 days was $118 on Frontier (Sep 10-Sep 15).

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
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on JAX

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 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 July 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
Delta
7.8
Good
8,479 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
United Airlines
7.4
Good
10,024 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
American Airlines
7.1
Good
11,832 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.
Frontier
5.6
Fair
2,770 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

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 5 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.

  • How long is the flight from Denver to Jacksonville?

    Departing from Denver to Jacksonville will take you 3h 26m. 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 $152 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $176 and $201 round-trip. You may be able to fly from Denver to Jacksonville for 66% 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 $90. However, be on the lookout for offers from Southwest and JetBlue, 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 $130. While the most popular route (Denver Intl - Jacksonville) can be booked for $188 on average, our data indicates $341 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, September is the cheapest month in which you can book a flight from Denver to Jacksonville (average of $352). Flying from Denver to Jacksonville in March is currently the most expensive (average of $535). 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
Fernandina Beach
Orange Park
Kingsland
Waycross
Atlantic Beach
Yulee

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Top 5 airlines flying from Denver to Jacksonville

Discover the top 5 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$152Average$324FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$176Average$394FlexibilityNo cancel feeOn-time71%
DeltaCheapest$201Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$262Average$483FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$327Average$489FlexibilityNo cancel feeOn-time63%

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