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Cheap flights from Jacksonville to Denver from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Denver departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:04 pm - 12:53 pmJAX-DEN
19h 49m2 stops
Frontier Logo
6:25 am - 6:08 pmDEN-JAX
9h 43m1 stop
$218Frontier
Find Deal
Fri, Nov 7 - Mon, Nov 10
Frontier Logo
8:00 pm - 7:33 pmJAX-DEN
25h 33m2 stops
Frontier Logo
12:51 am - 10:24 amDEN-JAX
7h 33m1 stop
$219Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
7:03 pm - 9:02 amJAX-DEN
15h 59m1 stop
Frontier Logo
12:59 am - 4:13 pmDEN-JAX
13h 14m1 stop
$222Frontier
Find Deal
Mon, Nov 10 - Wed, Nov 12
Multiple Airlines Logo
5:13 pm - 8:33 amJAX-DEN
17h 20m2 stops
Multiple Airlines Logo
3:20 pm - 1:16 pmDEN-JAX
19h 56m1 stop
$223Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
8:00 pm - 7:33 pmJAX-DEN
25h 33m2 stops
Frontier Logo
6:45 am - 7:05 pmDEN-JAX
10h 20m1 stop
$224Frontier
Find Deal
Thu, Dec 4 - Thu, Dec 11
Frontier Logo
8:00 pm - 11:51 pmJAX-DEN
29h 51m1 stop
Frontier Logo
6:45 am - 7:05 pmDEN-JAX
10h 20m1 stop
$225Frontier
Find Deal
Thu, Dec 4 - Fri, Dec 12
Frontier Logo
1:57 pm - 9:59 pmJAX-DEN
10h 02m1 stop
Frontier Logo
12:05 pm - 12:31 pmDEN-JAX
22h 26m1 stop
$226Frontier
Find Deal
Thu, Dec 4 - Wed, Dec 10
Multiple Airlines Logo
10:55 am - 10:13 amJAX-DEN
25h 18m1 stop
Multiple Airlines Logo
11:59 pm - 3:48 pmDEN-JAX
37h 49m2 stops
$227Multiple Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Multiple Airlines Logo
12:03 pm - 3:39 pmJAX-DEN
29h 36m1 stop
Multiple Airlines Logo
3:20 pm - 1:16 pmDEN-JAX
19h 56m1 stop
$229Multiple Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Frontier Logo
11:37 am - 8:27 pmJAX-DEN
10h 50m1 stop
Frontier Logo
8:18 am - 6:09 pmDEN-JAX
7h 51m1 stop
$230Frontier
Find Deal
Mon, Oct 27 - Fri, Oct 31

Frontier flights from Jacksonville to Denver

Our best Frontier deals on Jacksonville to Denver flight tickets
Frontier
Nov 7
JAX7:04 pmJacksonville
19h 49m
2 stops
DEN12:53 pmDenver Intl
Nov 10
DEN6:25 amDenver Intl
9h 43m
1 stop
JAX6:08 pmJacksonville
$218
Find similar
Frontier
Dec 4
JAX8:00 pmJacksonville
25h 33m
2 stops
DEN7:33 pmDenver Intl
Dec 7
DEN12:51 amDenver Intl
7h 33m
1 stop
JAX10:24 amJacksonville
$219
Find similar
Frontier
Nov 10
JAX7:03 pmJacksonville
15h 59m
1 stop
DEN9:02 amDenver Intl
Nov 12
DEN12:59 amDenver Intl
13h 14m
1 stop
JAX4:13 pmJacksonville
$222
Find similar

JetBlue flights from Jacksonville to Denver

Our best JetBlue deals on Jacksonville to Denver flight tickets
JetBlue
Oct 28
JAX11:04 amJacksonville
27h 25m
1 stop
DEN12:29 pmDenver Intl
Oct 31
DEN11:51 amDenver Intl
19h 45m
1 stop
JAX9:36 amJacksonville
$353
Find similar
JetBlue
Oct 27
JAX10:24 amJacksonville
26h 41m
1 stop
DEN11:05 amDenver Intl
Oct 30
DEN11:51 amDenver Intl
19h 41m
1 stop
JAX9:32 amJacksonville
$483
Find similar
JetBlue
Oct 26
JAX7:04 amJacksonville
30h 01m
1 stop
DEN11:05 amDenver Intl
Oct 30
DEN11:51 amDenver Intl
19h 41m
1 stop
JAX9:32 amJacksonville
$513
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Jacksonville to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 11/7

7:04 pm-12:53 pm

2 stops19h 49m

Denver Intl

Mon 11/10

6:25 am-6:08 pm

1 stop9h 43m

$218

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 12/4

8:00 pm-7:33 pm

2 stops25h 33m

Denver Intl

Sun 12/7

12:51 am-10:24 am

1 stop7h 33m

$219

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 11/10

7:03 pm-9:02 am

1 stop15h 59m

Denver Intl

Wed 11/12

12:59 am-4:13 pm

1 stop13h 14m

$222

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 11/13

5:13 pm-8:33 am

2 stops17h 20m

Denver Intl

Sun 11/16

3:20 pm-1:16 pm

1 stop19h 56m

$223

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 12/4

8:00 pm-7:33 pm

2 stops25h 33m

Denver Intl

Thu 12/11

6:45 am-7:05 pm

1 stop10h 20m

$224

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 12/4

8:00 pm-11:51 pm

1 stop29h 51m

Denver Intl

Fri 12/12

6:45 am-7:05 pm

1 stop10h 20m

$225

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 12/4

1:57 pm-9:59 pm

1 stop10h 02m

Denver Intl

Wed 12/10

12:05 pm-12:31 pm

1 stop22h 26m

$226

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 12/5

10:55 am-10:13 am

1 stop25h 18m

Denver Intl

Wed 12/10

11:59 pm-3:48 pm

2 stops37h 49m

$227

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 11/6

12:03 pm-3:39 pm

1 stop29h 36m

Denver Intl

Sun 11/9

3:20 pm-1:16 pm

1 stop19h 56m

$229

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 10/27

11:37 am-8:27 pm

1 stop10h 50m

Denver Intl

Fri 10/31

8:18 am-6:09 pm

1 stop7h 51m

$230

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Jacksonville to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Jacksonville is in September. Flight prices, which tend to average around $395, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until August to fly from Jacksonville, when ticket prices are also cheap, with an average price of $407.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $480. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $623.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $449. Flights in the afternoon are often more expensive with an average ticket price of $527.

What is the cheapest Jacksonville to Denver Intl flight route?

Fly from Jacksonville to Denver Intl for the best Jacksonville - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Jacksonville for as low as $373 on momondo.

What cabin class options are available on Jacksonville to Denver Intl flights?

There are 4 cabin classes available to choose from on Jacksonville to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Jacksonville to Denver flights?

You could potentially save up to 16% on your flight if you consider stops on a Jacksonville to Denver flight.

How have Jacksonville to Denver flight prices changed over time?

As of October 2025, prices for Jacksonville to Denver flights are approximately 48% more expensive when compared to flights at the same time last year.

When to book flights from Jacksonville to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Jacksonville to Denver (JAX to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to Denver

Best Price Found

$193

Fastest flight time

3h 43m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Jacksonville in the past 72 hours is $193. The best round-trip flight deal from Jacksonville to Denver found on momondo in the last 72 hours is $345.
The fastest flight from Jacksonville to Denver takes 3h 43m
Direct flights go from Jacksonville to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • How far is Jacksonville to Denver Intl by plane?

    There are 1464.1 mi between Jacksonville and Denver Intl. 6h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Jacksonville Airport to Denver Intl Airport?

    Prices for flights from Jacksonville Airport to Denver Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Jacksonville Airport to Denver Intl Airport?

  • How old do you have to be to fly from Jacksonville Airport to Denver Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Jacksonville to Denver?

  • What is the most popular airline from Jacksonville to Denver?

Best airlines flying from Jacksonville to Denver

Compare and see reviews for airlines that fly from Jacksonville to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $134Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
JetBluePriceFrom $141Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
American AirlinesPriceFrom $200Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

  • Southwest Flights From Jacksonville to Denver

    Southwest flight deals from Jacksonville to Denver start from $324 round-trip. Over the 8 Southwest flights for this route in a normal week, average airfare is usually $466 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Jacksonville to Denver

    Across 8,982 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Jacksonville to Denver about 18 times each week, with ticket deals ranging from $254 to $471. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Boulder
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Grand Lake
Central City

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Jacksonville to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Jacksonville to Denver with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Jacksonville to Denver flights to just show those with flexible booking policies.

How can momondo help me find flights from Jacksonville to Denver?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Jacksonville.

I’m not ready to book a flight from Jacksonville to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Jacksonville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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