HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Jacksonville

$132+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — JAX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 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 July 3, 2025.

Round-trip from

$164
(Priceline)

One-way from

$132
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$449

Good round-trip deal

$419 or less

Good one-way deal

$246 or less
From Denver Intl to Jacksonville
Search Deals
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).
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 2025
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

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 3, 2025.

This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:30 amDEN - JAX
1 stop9h 33mFrontier
Mon 8/47:05 pmJAX - DEN
1 stop6h 45mFrontier
Deal found 7/2$164
This Southwest deal was found by Cheapflights users on 7/2. 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.
Tue 8/193:05 pmDEN - JAX
Nonstop3h 15mSouthwest
Tue 8/262:35 pmJAX - DEN
Nonstop3h 40mSouthwest
Deal found 7/2$257
This JetBlue deal was found by Cheapflights users on 7/2. 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.
Tue 8/2610:39 pmDEN - JAX
1 stop8h 28mJetBlue
Fri 9/512:42 pmJAX - DEN
1 stop11h 52mJetBlue
Deal found 7/2$263
This Sun Country Air deal was found by Cheapflights users on 7/3. 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 7/3$275
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 8/612:55 amDEN - JAX
1 stop7h 49mDelta
Wed 8/132:30 pmJAX - DEN
1 stop7h 23mDelta
Deal found 7/3$277
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 11/87:46 amDEN - JAX
1 stop8h 48mUnited Airlines
Sat 11/154:00 pmJAX - DEN
Nonstop3h 43mUnited Airlines
Deal found 7/1$281
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 9/221:00 pmDEN - JAX
1 stop8h 14mAmerican Airlines
Tue 9/303:25 pmJAX - DEN
2 stops8h 44mAmerican Airlines
Deal found 7/3$282

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 3, 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

Mon 7/28

6:30 am-6:03 pm

1 stop9h 33m

Jacksonville

Mon 8/4

7:05 pm-11:50 pm

1 stop6h 45m

$164

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Tue 8/19

3:05 pm-8:20 pm

Nonstop3h 15m

Jacksonville

Tue 8/26

2:35 pm-4:15 pm

Nonstop3h 40m

$257

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Tue 8/26

10:39 pm-9:07 am

1 stop8h 28m

Jacksonville

Fri 9/5

12:42 pm-10:34 pm

1 stop11h 52m

$263

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

$275

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 8/6

12:55 am-10:44 am

1 stop7h 49m

Jacksonville

Wed 8/13

2:30 pm-7:53 pm

1 stop7h 23m

$277

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Mon 9/22

1:00 pm-11:14 pm

1 stop8h 14m

Jacksonville

Tue 9/30

3:25 pm-10:09 pm

2 stops8h 44m

$282

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Wed 8/6

1:39 pm-6:54 pm

1 stop27h 15m

$132

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Tue 9/16

1:25 pm-9:58 pm

1 stop6h 33m

$134

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Mon 9/15

12:45 am-10:57 am

1 stop8h 12m

$139

DenverJacksonville

DEN - JAX

DENJAX

Denver Intl

Fri 9/12

11:25 am-11:05 pm

1 stop9h 40m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 14 results
1
2

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 June 27, 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 3, 2025.

It’s typically best to fly out from Denver to Jacksonville at noon. Doing so could potentially save you 19% 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 June 29, 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 evenings 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 July 3, 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
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
2,916 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

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 10m.

  • 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 $164 on this airline. Additional options worth looking into are Southwest and JetBlue, starting at $257 and $263 round-trip. You may be able to fly from Denver to Jacksonville for 64% 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 $132. However, be on the lookout for offers from United Airlines and Delta, 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 $161. While the most popular route (Denver Intl - Jacksonville) can be booked for $257 on average our data indicates $410 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 Denver?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Jacksonville

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Orlando flights
Denver to Miami flights
Denver to Tampa flights
Denver to Fort Lauderdale flights
Denver to Pensacola flights
Denver to Fort Myers flights
Denver to Key West flights
Denver to Panama City flights
Denver to West Palm Beach flights
Denver to Valparaiso flights
Colorado Springs to Jacksonville flights
Denver to Sarasota flights
Colorado Springs to Orlando flights
Colorado Springs to Key West flights
Colorado Springs to Miami flights
Denver to Orlando Sanford Intl flights
Denver to Daytona Beach flights
Denver to Melbourne flights
Colorado Springs to Fort Lauderdale flights
Aspen to Miami flights
Colorado Springs to Tampa flights
Grand Junction to Orlando flights
Colorado Springs to Pensacola flights
Grand Junction to Miami flights
Denver to St Petersburg flights
Grand Junction to Pensacola flights
Colorado Springs to Daytona Beach flights
Colorado Springs to Melbourne flights
Denver to Tallahassee flights
Denver to Gainesville flights
Montrose to Pensacola flights
Colorado Springs to Fort Myers flights
Durango to Tampa flights
Montrose to Orlando flights
Colorado Springs to Valparaiso flights
Colorado Springs to West Palm Beach flights
Colorado Springs to Sarasota flights
Grand Junction to Panama City flights
Grand Junction to Jacksonville flights
Aspen to Fort Lauderdale flights
Grand Junction to Fort Lauderdale flights
Durango to Miami flights
Vail to Tampa flights
Vail to Miami flights
Grand Junction to Fort Myers flights
Grand Junction to West Palm Beach flights
Durango to Fort Lauderdale flights
Colorado Springs to Panama City flights
Aspen to West Palm Beach flights

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$263FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$141Average$296FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$430FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$168Average$307FlexibilityNo cancel feeOn-time83%
DeltaCheapest$216Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$351Average$482FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$366Average$470FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.