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$133+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$250
(KAYAK)

One-way from

$142
(JetBlue)

Popular in

March

Cheapest in

August

Average price

$490

Good round-trip deal

$409 or less

Good one-way deal

$246 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. 5% potential increase in price ($24 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 June 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 June 12, 2025.

This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:05 pmJAX - DEN
1 stop6h 45mFrontier
Mon 8/116:30 amDEN - JAX
1 stop9h 33mFrontier
Deal found 6/11$250
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Wed 8/133:04 pmJAX - DEN
1 stop9h 52mJetBlue
Wed 8/2710:20 pmDEN - JAX
1 stop8h 47mJetBlue
Deal found 6/10$263
This Sun Country Air deal was found by Cheapflights users on 6/11. 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.
Mon 7/712:56 pmJAX - DEN
1 stop24h 33mSun Country Air
Thu 7/106:00 amDEN - JAX
1 stop28h 12mSun Country Air
Deal found 6/11$295
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/812:44 pmJAX - DEN
1 stop24h 40mMultiple Airlines
Sun 8/105:42 pmDEN - JAX
1 stop18h 47mMultiple Airlines
Deal found 6/10$296
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/217:12 amJAX - DEN
1 stop11h 30mAmerican Airlines
Mon 8/259:41 amDEN - JAX
1 stop10h 46mAmerican Airlines
Deal found 6/10$303
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 7/158:45 amJAX - DEN
Nonstop3h 43mUnited Airlines
Tue 7/295:25 pmDEN - JAX
Nonstop3h 27mUnited Airlines
Deal found 6/11$317
This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 8/75:20 pmJAX - DEN
1 stop7h 45mSouthwest
Wed 8/132:55 pmDEN - JAX
Nonstop3h 15mSouthwest
Deal found 6/11$333
This Delta deal was found by Cheapflights users on 6/10. 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 7/236:00 pmJAX - DEN
1 stop7h 06mDelta
Fri 7/2512:55 amDEN - JAX
1 stop7h 49mDelta
Deal found 6/10$337

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 June 12, 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

Fri 8/8

7:05 pm-11:50 pm

1 stop6h 45m

Denver Intl

Mon 8/11

6:30 am-6:03 pm

1 stop9h 33m

$250

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 8/13

3:04 pm-10:56 pm

1 stop9h 52m

Denver Intl

Wed 8/27

10:20 pm-9:07 am

1 stop8h 47m

$263

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 7/7

12:56 pm-11:29 am

1 stop24h 33m

Denver Intl

Thu 7/10

6:00 am-12:12 pm

1 stop28h 12m

$295

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 8/8

12:44 pm-11:24 am

1 stop24h 40m

Denver Intl

Sun 8/10

5:42 pm-2:29 pm

1 stop18h 47m

$296

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 8/21

7:12 am-4:42 pm

1 stop11h 30m

Denver Intl

Mon 8/25

9:41 am-10:27 pm

1 stop10h 46m

$303

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 7/15

8:45 am-10:28 am

Nonstop3h 43m

Denver Intl

Tue 7/22

5:25 pm-10:52 pm

Nonstop3h 27m

$317

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 8/7

5:20 pm-11:05 pm

1 stop7h 45m

Denver Intl

Wed 8/13

2:55 pm-8:10 pm

Nonstop3h 15m

$333

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 7/23

6:59 pm-10:29 pm

1 stop5h 30m

Denver Intl

Mon 7/28

12:59 am-9:40 am

1 stop6h 41m

$337

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 8/8

12:44 pm-7:31 pm

1 stop8h 47m

$133

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 10/30

2:45 pm-9:49 pm

1 stop9h 04m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 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 9, 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 June 12, 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 8, 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.

Weekly flight availability from Jacksonville to Denver

Explore weekly flight availability from Jacksonville to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from JAX to DEN are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Jacksonville to Denver to help guide your decision. 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
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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 17 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 $250 on this airline. Additional options worth looking into are JetBlue and Sun Country Air, starting at $263 and $295 round-trip. Frontier is currently priced 45% below the average price you’ll pay for this route.

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

    $142 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Sun Country Air and American Airlines, with prices starting from $148 and $157, respectively.

  • What are the cheapest flights from Jacksonville to Denver?

    The cheapest flight price from Jacksonville to Denver is $167. On average you can expect to pay $1,015. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $263.

  • 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 $48 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 $52.

  • 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
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

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Alternative routes for Jacksonville to Denver

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$260FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$170Average$467FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$447FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$231Average$310FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$291Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$373Average$468FlexibilityNo cancel feeOn-time63%

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