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$131+ Cheap flights from Jacksonville to Denver (JAX - DEN)

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Jacksonville to Denver Intl are usually found in August or September, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Jacksonville to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Denver (DEN). 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 julio 3, 2025.

Round-trip from

$256
(Frontier)

One-way from

$131
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$483

Good round-trip deal

$454 or less

Good one-way deal

$260 or less
From Jacksonville to Denver Intl
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One-way flight from Jacksonville to Denver Intl
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Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 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 Jacksonville to Denver Intl.
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Price to beat on a one-way flight from Jacksonville to Denver Intl.
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Find flight deals from Jacksonville to Denver

Cheapest flights from Jacksonville to Denver
Explore the most affordable flight options available from Jacksonville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:05 pmJAX - DEN
2 stops16h 57mFrontier
lun. 8/186:30 amDEN - JAX
1 stop9h 33mFrontier
Deal found 7/2$256
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/188:45 amJAX - DEN
Nonstop3h 43mUnited Airlines
jue. 8/215:47 pmDEN - JAX
Nonstop3h 22mUnited Airlines
Deal found 7/3$257
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.
vie. 11/2112:34 pmJAX - DEN
1 stop8h 09mMultiple Airlines
dom. 11/306:00 amDEN - JAX
1 stop10h 41mMultiple Airlines
Deal found 7/2$262
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.
vie. 9/512:42 pmJAX - DEN
1 stop11h 52mJetBlue
vie. 9/1211:25 amDEN - JAX
1 stop9h 40mJetBlue
Deal found 7/2$263
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.
mar. 8/56:15 amJAX - DEN
2 stops7h 50mSouthwest
mar. 8/123:05 pmDEN - JAX
Nonstop3h 15mSouthwest
Deal found 7/2$272
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/187:51 pmJAX - DEN
1 stop6h 08mDelta
lun. 9/2912:45 amDEN - JAX
1 stop8h 12mDelta
Deal found 7/2$277
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/302:07 pmJAX - DEN
2 stops7h 41mAmerican Airlines
sáb. 9/612:41 pmDEN - JAX
1 stop8h 18mAmerican Airlines
Deal found 7/2$300
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2912:46 pmJAX - DEN
1 stop6h 21mSun Country Air
dom. 8/3110:17 amDEN - JAX
1 stop21h 51mSun Country Air
Deal found 7/1$315

Cheapflights Fare Finder

Customize your flight search to find flights from Jacksonville to Denver 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 julio 3, 2025.
Use the filters below to find and compare flights from Jacksonville to Denver that are best for you.

Fly from

Jacksonville

Fly to

Denver

Route

Depart

Return

Price

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

lun. 8/11

7:05 pm-10:02 am

2 stops16h 57m

Denver Intl

lun. 8/18

6:30 am-6:03 pm

1 stop9h 33m

$256

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

lun. 8/18

8:45 am-10:28 am

Nonstop3h 43m

Denver Intl

jue. 8/21

5:47 pm-11:09 pm

Nonstop3h 22m

$257

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

vie. 11/21

12:34 pm-6:43 pm

1 stop8h 09m

Denver Intl

dom. 11/30

6:00 am-6:41 pm

1 stop10h 41m

$262

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

vie. 9/5

12:42 pm-10:34 pm

1 stop11h 52m

Denver Intl

vie. 9/12

11:25 am-11:05 pm

1 stop9h 40m

$263

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

mar. 8/5

6:15 am-12:05 pm

2 stops7h 50m

Denver Intl

mar. 8/12

3:05 pm-8:20 pm

Nonstop3h 15m

$272

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

jue. 9/18

7:51 pm-11:59 pm

1 stop6h 08m

Denver Intl

mar. 9/30

12:10 pm-9:37 pm

1 stop7h 27m

$277

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

sáb. 8/30

2:07 pm-7:48 pm

2 stops7h 41m

Denver Intl

sáb. 9/6

12:41 pm-10:59 pm

1 stop8h 18m

$300

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

vie. 8/29

12:46 pm-5:07 pm

1 stop6h 21m

Denver Intl

dom. 8/31

10:17 am-10:08 am

1 stop21h 51m

$315

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

jue. 7/10

8:26 pm-6:52 am

1 stop12h 26m

$131

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

vie. 10/31

12:11 pm-4:34 pm

1 stop6h 23m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 15 results
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The best insider tips for Jacksonville to Denver 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 Jacksonville to Denver trip
Airports
JAX

JAX offers quick screening times at TSA and easy check-in, making it one of the most convenient airports in Florida.

Read more about JAXby Matt Meltzer
DEN

Take the A Line train from DEN to Union Station for a quick 37-minute ride into downtown Denver.

Read more about DENby Emily Zemler
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 Jacksonville to Denver

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

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

Use this chart to determine the optimal time to book a round-trip flight from Jacksonville to Denver. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Jacksonville to Denver, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $197). Flying from Jacksonville to Denver in March is currently the most expensive (average of $278). 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 JAX to DEN?

Find hourly flight availability from Jacksonville to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

It’s typically best to fly out from Jacksonville to Denver at noon. Doing so could potentially save you 17% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Denver. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Jacksonville to Denver 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.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated julio 3, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Jacksonville to Denver 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

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

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

    If you book a flight from Jacksonville to Denver, you will be flying from Jacksonville to Denver Intl. Flights to Denver Intl (DEN) from Jacksonville (JAX) take 3h 35m for a nonstop flight. There is 1 flight from Jacksonville to Denver per day from 6 airlines.

  • How popular is this Jacksonville to Denver flight route?

    This flight path from Jacksonville to Denver Intl was viewed by 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Our cheapest airline available from Jacksonville to Denver is Frontier. Our recent data shows that you can find tickets from as low as $256 on this airline. Additional options worth looking into are United Airlines and JetBlue, starting at $257 and $263 round-trip. Frontier is currently priced 44% below the average price you’ll pay for this route.

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

    $133 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $134 and $138, respectively.

  • What are the cheapest flights from Jacksonville to Denver?

    The cheapest flight price from Jacksonville to Denver is $208. On average you can expect to pay $724. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $247.

  • Where are the most common layover locations when flying from Jacksonville to Denver?

    Jacksonville to Denver flights have a layover in Charlotte most of the time. Jacksonville to Denver flights stop in Atlanta the next most.

  • What are some popular things to do or see while on a layover in Charlotte?

    Charlotte travelers tend to visit Carowind, Mint Museum Uptown, and NASCAR Hall of Fame more than anywhere else. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame can be accessed by traveling approximately 8.2 mi, 5.4 mi, and 5.7 mi, respectively from Charlotte Douglas. Those looking to explore during their layover in Charlotte can rent a car from Charlotte Douglas for about $43 per day.

  • What are some popular points of interest to see during a layover in Atlanta?

    Most Atlanta visitors opt to spend their time at Georgia Aquarium, Fox Theatre, and World of Coca-Cola. Georgia Aquarium, Fox Theatre, and World of Coca-Cola can be visited by traveling about 8.6 mi, 9.3 mi, and 8.6 mi respectively from Atlanta Hartsfield-Jackson. Those on a layover in Atlanta in need of a rental car can book one at Atlanta Hartsfield-Jackson for about $47.

  • Where are the least popular layover locations for Jacksonville to Denver flights?

    Of the flights from Jacksonville to Denver that have layovers, the fewest flights stop in Dallas.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $197). Flying from Jacksonville to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Broomfield
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs

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Top 6 airlines flying from Jacksonville to Denver

Discover the top 6 airlines that operate flights from Jacksonville to Denver. 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$268FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$170Average$463FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$445FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$231Average$310FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$304Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$368Average$467FlexibilityNo cancel feeOn-time63%

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