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$65+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find cheap flights from Jacksonville to Denver 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

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3. Compare prices and book

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

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(Kiwi.com)

One-way from

$65
(Priceline)

Popular in

March

Cheapest in

September

Average price

$480

Good round-trip deal

$361 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Jacksonville-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-Denver Intl flights.
Search Deals
From Jacksonville to Denver Intl
Search Deals
One-way flight from Jacksonville to Denver Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($26 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 November 2025
Search Deals
Price to beat on a round-trip flight from Jacksonville to Denver Intl.
Search Deals
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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/41:57 pmJAX - DEN
1 stop10h 02mFrontier
Thu 12/119:00 pmDEN - JAX
2 stops18h 40mFrontier
Deal found 11/6$209
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/86:36 pmJAX - DEN
1 stop17h 42mMultiple Airlines
Tue 12/239:26 pmDEN - JAX
1 stop10h 09mMultiple Airlines
Deal found 11/4$217
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/111:57 pmJAX - DEN
1 stop10h 02mFrontier
Sun 12/149:05 pmDEN - JAX
1 stop15h 20mFrontier
Deal found 11/4$218
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/245:29 pmJAX - DEN
1 stop6h 39mFrontier
Tue 12/3012:14 amDEN - JAX
1 stop14h 20mFrontier
Deal found 11/4$219
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/2610:59 amJAX - DEN
1 stop12h 30mMultiple Airlines
Fri 11/284:18 pmDEN - JAX
1 stop16h 55mMultiple Airlines
Deal found 11/4$221
This Priceline deal was found by Cheapflights users on 11/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:38 pmJAX - DEN
1 stop11h 57mFrontier
Mon 11/178:28 amDEN - JAX
1 stop8h 33mFrontier
Deal found 11/5$222
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/41:57 pmJAX - DEN
2 stops16h 01mMultiple Airlines
Thu 12/1112:59 amDEN - JAX
1 stop14h 41mMultiple Airlines
Deal found 11/5$223
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Fri 12/1211:31 amJAX - DEN
1 stop14h 28mFrontier
Sun 12/148:45 pmDEN - JAX
2 stops18h 51mFrontier
Deal found 11/6$224
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Tue 11/2511:33 amJAX - DEN
1 stop29h 37mMultiple Airlines
Tue 12/29:44 pmDEN - JAX
2 stops36h 47mMultiple Airlines
Deal found 11/5$225
This Frontier deal was found by Cheapflights users on 11/4. 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.
Fri 11/219:38 pmJAX - DEN
1 stop12h 47mFrontier
Mon 11/246:50 amDEN - JAX
1 stop11h 59mFrontier
Deal found 11/4$228
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 12/297:23 pmJAX - DEN
1 stop28h 37mFrontier
Thu 1/112:16 amDEN - JAX
1 stop14h 11mFrontier
Deal found 11/6$230

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 November 6, 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

Wed 12/10

7:35 am-7:01 pm

1 stop13h 26m

Denver Intl

Thu 12/18

6:46 am-11:20 pm

1 stop14h 34m

$338

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 12/10

7:35 am-7:01 pm

1 stop13h 26m

Denver Intl

Sun 12/14

11:59 pm-10:40 pm

1 stop20h 41m

$348

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 1/15

4:17 pm-6:20 pm

Nonstop4h 03m

Denver Intl

Tue 1/20

9:53 am-3:15 pm

Nonstop3h 22m

$425

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 1/29

8:10 am-10:15 am

Nonstop4h 05m

Denver Intl

Tue 2/3

9:53 am-3:15 pm

Nonstop3h 22m

$425

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 12/13

6:40 pm-10:53 pm

1 stop6h 13m

Denver Intl

Wed 12/17

1:16 pm-10:09 pm

1 stop6h 53m

$445

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 1/24

3:41 pm-7:23 pm

1 stop5h 42m

Denver Intl

Tue 1/27

12:30 am-8:41 am

1 stop6h 11m

$445

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 1/10

8:00 am-12:38 pm

1 stop6h 38m

Denver Intl

Sat 1/17

4:09 pm-9:27 pm

Nonstop3h 18m

$451

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 12/15

6:59 pm-12:15 am

1 stop7h 16m

Denver Intl

Thu 12/18

5:52 pm-11:16 pm

Nonstop3h 24m

$451

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 1/29

6:50 am-1:50 pm

2 stops9h 00m

Denver Intl

Tue 2/3

10:35 am-8:35 pm

2 stops8h 00m

$455

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 12/13

3:50 pm-5:40 pm

Nonstop3h 50m

Denver Intl

Sun 12/14

1:55 pm-7:05 pm

Nonstop3h 10m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 21 results
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2
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Compare providers for flights from Jacksonville to Denver

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 Jacksonville to Denver in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Jacksonville-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jacksonville-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Jacksonville-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville-Denver 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 Jacksonville-Denver 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 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 October 31, 2025.

To ensure you get the cheapest price possible for a flight from Jacksonville to Denver, you should look to book at least 76 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, November is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $164). Flying from Jacksonville to Denver in April is currently the most expensive (average of $316). 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 November 6, 2025.

It’s typically best to fly out from Jacksonville to Denver in the evening. Doing so could potentially save you 73% 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 November 2, 2025.

Travelers seeking maximum savings on their Jacksonville to Denver flight should consider departing on Wednesday 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.

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

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 November 6, 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
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,115 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 50m for a nonstop flight. There are 2 flights 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 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Jacksonville to Denver?

    Airlines like Delta and United Airlines fly from Jacksonville to Denver in about 4h 03m. The time it takes to get you to your destination can typically vary by up to 9h 23m. There are 1444 mi between Jacksonville and Denver. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Jacksonville to Denver is JetBlue. Our recent data shows that you can find tickets from as low as $141 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $145 and $200 round-trip. JetBlue is currently priced 68% below the average price you’ll pay for this route.

  • What are the cheapest flights from Jacksonville to Denver?

    The cheapest flight price from Jacksonville to Denver is $185. On average you can expect to pay $758. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $202.

  • 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, November is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $164). Flying from Jacksonville to Denver in April is currently the most expensive (average of $316). 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
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Jacksonville to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$141Average$310FlexibilityNo cancel feeOn-time62%
FrontierCheapest$145Average$264FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$200Average$426FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$247Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$323Average$464FlexibilityNo cancel feeOn-time63%

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