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$60+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — DEN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 October or September, booked 87 days in advance, depart on a Wednesday or Tuesday 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$235
(JetBlue)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$421

Good round-trip deal

$411 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. 4% potential increase in price ($22 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 January 2026
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.
Search Deals

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 January 15, 2026.

This JetBlue deal was found by Cheapflights users on 1/13. 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.
Thu 5/76:00 am
JAX
-
DEN
1 stop11h 30m
JetBlue
Sun 5/1011:59 pm
DEN
-
JAX
1 stop8h 17m
JetBlue
Deal found 1/13$235
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 2/55:51 pm
JAX
-
DEN
1 stop29h 58m
Multiple Airlines
Mon 2/96:05 am
DEN
-
JAX
1 stop10h 08m
Multiple Airlines
Deal found 1/12$236
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Sun 2/89:47 pm
JAX
-
DEN
1 stop22h 15m
Multiple Airlines
Sat 2/1411:25 pm
DEN
-
JAX
2 stops41h 36m
Multiple Airlines
Deal found 1/13$237
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 1/299:42 pm
JAX
-
DEN
1 stop22h 15m
Multiple Airlines
Sat 1/316:00 am
DEN
-
JAX
1 stop8h 23m
Multiple Airlines
Deal found 1/12$238
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 2/208:12 pm
JAX
-
DEN
1 stop18h 26m
Multiple Airlines
Sun 2/223:31 pm
DEN
-
JAX
1 stop15h 28m
Multiple Airlines
Deal found 1/12$241
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/139:49 am
JAX
-
DEN
1 stop13h 55m
Multiple Airlines
Sun 2/226:00 am
DEN
-
JAX
2 stops34h 39m
Multiple Airlines
Deal found 1/13$242
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/209:49 am
JAX
-
DEN
1 stop13h 55m
Multiple Airlines
Sun 2/2212:59 am
DEN
-
JAX
1 stop15h 40m
Multiple Airlines
Deal found 1/13$244
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Sat 1/315:28 pm
JAX
-
DEN
2 stops17h 02m
Frontier
Wed 2/47:30 am
DEN
-
JAX
1 stop9h 03m
Frontier
Deal found 1/13$245
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/139:49 am
JAX
-
DEN
1 stop13h 55m
Multiple Airlines
Mon 2/236:00 am
DEN
-
JAX
2 stops10h 39m
Multiple Airlines
Deal found 1/13$246
This Priceline deal was found by Cheapflights users on 1/13. 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.
Fri 4/2411:59 am
JAX
-
DEN
1 stop7h 40m
Multiple Airlines
Sun 4/2611:59 pm
DEN
-
JAX
1 stop8h 17m
Multiple Airlines
Deal found 1/13$249
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/67:18 pm
JAX
-
DEN
1 stop19h 01m
Frontier
Mon 2/96:05 am
DEN
-
JAX
1 stop10h 08m
Frontier
Deal found 1/13$250
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/139:49 am
JAX
-
DEN
1 stop13h 55m
Multiple Airlines
Sat 2/2111:59 pm
DEN
-
JAX
2 stops40h 40m
Multiple Airlines
Deal found 1/13$251

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 January 15, 2026.
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 4/15

6:00 am-3:30 pm

1 stop11h 30m

Denver Intl

Sat 4/18

11:59 pm-10:16 am

1 stop8h 17m

$334

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 3/10

8:04 am-10:10 am

Nonstop4h 06m

Denver Intl

Tue 3/17

4:06 pm-9:21 pm

Nonstop3h 15m

$409

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 4/15

2:20 pm-7:15 pm

1 stop6h 55m

Denver Intl

Sat 4/18

11:00 am-4:10 pm

Nonstop3h 10m

$429

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 4/1

5:27 pm-10:15 pm

1 stop6h 48m

Denver Intl

Sat 4/18

4:14 pm-9:46 pm

Nonstop3h 32m

$429

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 2/10

4:17 pm-6:20 pm

Nonstop4h 03m

Denver Intl

Tue 2/17

7:45 am-4:25 pm

1 stop6h 40m

$432

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 2/17

4:20 pm-6:20 pm

Nonstop4h 00m

Denver Intl

Fri 2/20

11:15 am-4:25 pm

Nonstop3h 10m

$433

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 2/10

6:45 am-1:50 pm

2 stops9h 05m

Denver Intl

Tue 2/17

5:40 am-12:55 pm

1 stop5h 15m

$434

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

$436

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 3/3

4:16 pm-6:22 pm

Nonstop4h 06m

Denver Intl

Sun 3/8

4:06 pm-9:21 pm

Nonstop3h 15m

$438

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 2/23

5:31 pm-11:35 pm

1 stop8h 04m

Denver Intl

Thu 3/12

4:06 pm-9:21 pm

Nonstop3h 15m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 24 results
1
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*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 January 9, 2026.

To ensure you get the cheapest price possible for a flight from Jacksonville to Denver, you should look to book at least 87 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 January 15, 2026.

It’s typically best to fly out from Jacksonville to Denver in the evening. Doing so could potentially save you 72% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Jacksonville to Denver?

The best insider tips for Jacksonville to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 January 15, 2026.
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
4,258 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,048 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,163 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,129 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 30m 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 43 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 Southwest fly from Jacksonville to Denver in about 4h 06m. The time it takes to get you to your destination can typically vary by up to 7h 24m. 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 $134 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $134 and $187 round-trip. Frontier is currently priced 70% below the average price you’ll pay for this route.

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

    $88 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 American Airlines, with prices starting from $101 and $104, respectively.

  • What are the cheapest flights from Jacksonville to Denver?

    The cheapest flight price from Jacksonville to Denver is $189. On average you can expect to pay $1,072. The most popular route, (Jacksonville - Denver Intl), can usually be booked for $170.

  • 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
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Greeley
Lone Tree
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Centennial
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
Idaho Springs

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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$260FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$134Average$310FlexibilityNo cancel feeOn-time62%
DeltaCheapest$187Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$200Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$232Average$467FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$307Average$472FlexibilityNo cancel feeOn-time63%

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