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$66+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
Nov 20 — Nov 271
Thu 11/20
Thu 11/27
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 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 October 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$218
(Trip.com)

One-way from

$66
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$409

Good round-trip deal

$365 or less

Good one-way deal

$209 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 ($27 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 October 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 October 21, 2025.

This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:39 pmJAX - DEN
2 stops20h 54mFrontier
Mon 11/176:25 amDEN - JAX
1 stop10h 36mFrontier
Deal found 10/19$218
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:05 pmJAX - DEN
1 stop6h 19mAmerican Airlines
Fri 12/1212:18 pmDEN - JAX
1 stop8h 06mAmerican Airlines
Deal found 10/20$219
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/1111:16 amJAX - DEN
2 stops23h 46mFrontier
Wed 11/122:45 pmDEN - JAX
1 stop23h 28mFrontier
Deal found 10/20$221
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 12/41:57 pmJAX - DEN
1 stop12h 02mMultiple Airlines
Thu 12/1112:11 pmDEN - JAX
2 stops29h 20mMultiple Airlines
Deal found 10/19$224
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 12/1211:31 amJAX - DEN
2 stops18h 27mFrontier
Sun 12/1412:59 amDEN - JAX
1 stop14h 37mFrontier
Deal found 10/20$225
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier 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
Fri 11/2112:11 amDEN - JAX
1 stop7h 53mFrontier
Deal found 10/21$226
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 12/111:57 pmJAX - DEN
1 stop12h 02mFrontier
Mon 12/156:00 amDEN - JAX
2 stops9h 36mFrontier
Deal found 10/20$227
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Fri 11/710:10 amJAX - DEN
2 stops24h 53mFrontier
Sat 11/1512:59 amDEN - JAX
1 stop13h 24mFrontier
Deal found 10/18$228
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 12/41:57 pmJAX - DEN
1 stop12h 02mFrontier
Thu 12/1110:44 pmDEN - JAX
2 stops16h 56mFrontier
Deal found 10/19$230
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:42 pmJAX - DEN
1 stop13h 16mFrontier
Sat 11/19:05 pmDEN - JAX
1 stop12h 07mFrontier
Deal found 10/21$231
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 12/510:55 amJAX - DEN
1 stop25h 18mMultiple Airlines
Wed 12/1012:59 amDEN - JAX
2 stops18h 06mMultiple Airlines
Deal found 10/20$234

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 October 21, 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

Thu 12/4

8:15 am-10:17 am

Nonstop4h 02m

Denver Intl

Sat 1/10

4:09 pm-9:27 pm

Nonstop3h 18m

$261

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 12/23

11:10 am-9:37 pm

1 stop12h 27m

Denver Intl

Tue 12/23

11:59 pm-10:24 am

1 stop8h 25m

$269

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 2/8

8:10 am-10:15 am

Nonstop4h 05m

Denver Intl

Sat 2/14

9:52 am-3:14 pm

Nonstop3h 22m

$295

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 1/7

4:17 pm-6:20 pm

Nonstop4h 03m

Denver Intl

Sun 1/18

9:50 am-8:10 pm

1 stop8h 20m

$305

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 12/4

7:40 am-9:30 am

Nonstop3h 50m

Denver Intl

Mon 12/8

1:10 pm-6:20 pm

Nonstop3h 10m

$338

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 2/18

1:20 pm-6:10 pm

1 stop6h 50m

Denver Intl

Sat 2/21

12:59 am-8:49 am

1 stop5h 50m

$353

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 2/13

3:05 pm-5:05 pm

Nonstop4h 00m

Denver Intl

Tue 2/17

5:30 am-3:40 pm

1 stop8h 10m

$376

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 2/18

4:16 pm-6:22 pm

Nonstop4h 06m

Denver Intl

Sun 2/22

4:00 pm-9:15 pm

Nonstop3h 15m

$389

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 1/12

5:50 am-7:50 am

Nonstop4h 00m

Denver Intl

Fri 1/16

12:45 pm-9:55 pm

1 stop7h 10m

$391

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 12/4

7:40 am-9:30 am

Nonstop3h 50m

Denver Intl

Sun 12/7

10:55 am-7:35 pm

1 stop6h 40m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 23 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Denver flight deals on Cheapflights vs. FlightHub >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 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 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

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

Currently, February is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $174). 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 October 21, 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 October 19, 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 October 21, 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
4,238 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
7,978 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
8,991 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
11,023 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
3,130 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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 43m for a nonstop flight. There are 4 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 23 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 JetBlue, United Airlines, and Delta fly from Jacksonville to Denver in about 4h 05m. The time it takes to get you to your destination can typically vary by up to 9h 09m. 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 Frontier. Our recent data shows that you can find tickets from as low as $138 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at $141 and $200 round-trip. Frontier is currently priced 69% 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 $158. On average you can expect to pay $859. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $181.

  • 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, February is the cheapest month in which you can book a flight from Jacksonville to Denver (average of $174). 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
Lakewood
Golden
Broomfield
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
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

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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 October 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$269FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$141Average$310FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$200Average$446FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$471FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$324Average$465FlexibilityNo cancel feeOn-time63%

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