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Cheap flights from Jacksonville to Denver from $49

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 1/18. 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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0 bags

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Find the cheapest flights from Jacksonville to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:05 pm - 5:33 pm
JAX
-
DEN
7h 28m1 stop
Multiple Airlines Logo
6:30 am - 8:01 pm
DEN
-
JAX
11h 31m2 stops
$243Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
7:18 pm - 10:20 am
JAX
-
DEN
17h 02m1 stop
Multiple Airlines Logo
7:33 am - 7:59 pm
DEN
-
JAX
10h 26m1 stop
$245Multiple Airlines
Mon, Feb 9 - Wed, Feb 11
Multiple Airlines Logo
11:21 am - 8:24 am
JAX
-
DEN
23h 03m2 stops
Multiple Airlines Logo
6:07 pm - 7:22 pm
DEN
-
JAX
23h 15m1 stop
$247Multiple Airlines
Sun, Jan 11 - Sun, Jan 18
Frontier Logo
5:29 pm - 11:13 pm
JAX
-
DEN
31h 44m2 stops
Frontier Logo
6:00 am - 4:57 pm
DEN
-
JAX
8h 57m1 stop
$251Frontier
Wed, Dec 31 - Fri, Jan 9
Frontier Logo
5:29 pm - 10:08 pm
JAX
-
DEN
6h 39m1 stop
Frontier Logo
6:30 am - 6:28 pm
DEN
-
JAX
9h 58m1 stop
$253Frontier
Wed, Dec 24 - Mon, Jan 5
Multiple Airlines Logo
7:50 pm - 3:11 pm
JAX
-
DEN
21h 21m1 stop
Multiple Airlines Logo
1:42 pm - 4:57 pm
DEN
-
JAX
25h 15m1 stop
$254Multiple Airlines
Tue, Dec 23 - Thu, Jan 8
Frontier Logo
5:29 pm - 10:08 pm
JAX
-
DEN
6h 39m1 stop
Frontier Logo
6:30 am - 6:28 pm
DEN
-
JAX
9h 58m1 stop
$257Frontier
Wed, Dec 31 - Mon, Jan 5
Frontier Logo
7:06 pm - 11:46 pm
JAX
-
DEN
6h 40m1 stop
Frontier Logo
6:30 am - 6:28 pm
DEN
-
JAX
9h 58m1 stop
$258Frontier
Fri, Jan 2 - Mon, Jan 5
Frontier Logo
8:17 pm - 12:21 pm
JAX
-
DEN
18h 04m1 stop
Frontier Logo
12:05 am - 7:22 pm
DEN
-
JAX
17h 17m1 stop
$259Frontier
Fri, Jan 16 - Sun, Jan 18
Multiple Airlines Logo
7:23 pm - 10:03 am
JAX
-
DEN
16h 40m2 stops
Multiple Airlines Logo
10:43 am - 8:52 pm
DEN
-
JAX
8h 09m1 stop
$263Multiple Airlines
Mon, Jan 5 - Sun, Jan 11

Frontier flights from Jacksonville to Denver

Our best Frontier deals on Jacksonville to Denver flight tickets
Frontier
Dec 31
JAX5:29 pmJacksonville
31h 44m
2 stops
DEN11:13 pmDenver Intl
Jan 9
DEN6:00 amDenver Intl
8h 57m
1 stop
JAX4:57 pmJacksonville
$251
Find similar
Frontier
Dec 24
JAX5:29 pmJacksonville
6h 39m
1 stop
DEN10:08 pmDenver Intl
Jan 5
DEN6:30 amDenver Intl
9h 58m
1 stop
JAX6:28 pmJacksonville
$253
Find similar
Frontier
Dec 31
JAX5:29 pmJacksonville
6h 39m
1 stop
DEN10:08 pmDenver Intl
Jan 5
DEN6:30 amDenver Intl
9h 58m
1 stop
JAX6:28 pmJacksonville
$257
Find similar

JetBlue flights from Jacksonville to Denver

Our best JetBlue deals on Jacksonville to Denver flight tickets
JetBlue
Feb 27
JAX9:21 pmJacksonville
27h 39m
1 stop
DEN11:00 pmDenver Intl
Mar 3
DEN11:59 pmDenver Intl
7h 54m
1 stop
JAX9:53 amJacksonville
$280
Find similar
JetBlue
Feb 27
JAX9:21 pmJacksonville
27h 39m
1 stop
DEN11:00 pmDenver Intl
Mar 3
DEN11:13 pmDenver Intl
8h 46m
1 stop
JAX9:59 amJacksonville
$320
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 December 10, 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

Thu 2/5

12:05 pm-5:33 pm

1 stop7h 28m

Denver Intl

Sun 2/8

6:30 am-8:01 pm

2 stops11h 31m

$243

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 2/9

7:18 pm-10:20 am

1 stop17h 02m

Denver Intl

Wed 2/11

7:33 am-7:59 pm

1 stop10h 26m

$245

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 1/11

11:21 am-8:24 am

2 stops23h 03m

Denver Intl

Sun 1/18

6:07 pm-7:22 pm

1 stop23h 15m

$247

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 12/31

5:29 pm-11:13 pm

2 stops31h 44m

Denver Intl

Fri 1/9

6:00 am-4:57 pm

1 stop8h 57m

$251

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 12/24

5:29 pm-10:08 pm

1 stop6h 39m

Denver Intl

Mon 1/5

6:30 am-6:28 pm

1 stop9h 58m

$253

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 12/23

7:50 pm-3:11 pm

1 stop21h 21m

Denver Intl

Thu 1/8

1:42 pm-4:57 pm

1 stop25h 15m

$254

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 12/31

5:29 pm-10:08 pm

1 stop6h 39m

Denver Intl

Mon 1/5

6:30 am-6:28 pm

1 stop9h 58m

$257

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 1/2

7:06 pm-11:46 pm

1 stop6h 40m

Denver Intl

Mon 1/5

6:30 am-6:28 pm

1 stop9h 58m

$258

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 1/16

8:17 pm-12:21 pm

1 stop18h 04m

Denver Intl

Sun 1/18

12:05 am-7:22 pm

1 stop17h 17m

$259

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Mon 1/5

7:23 pm-10:03 am

2 stops16h 40m

Denver Intl

Sun 1/11

10:43 am-8:52 pm

1 stop8h 09m

$263

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 October. Flight prices, which tend to average around $394, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until September to fly from Jacksonville, when ticket prices are also cheap, with an average price of $395.

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 Wednesday when prices can be found for as low as $467. 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 $619.

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 $450. Flights in the morning are often more expensive with an average ticket price of $517.

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 $452 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 $371 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 50% 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 December 2025, prices for Jacksonville to Denver flights are approximately 44% 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

$262

Fastest flight time

3h 50m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Jacksonville in the past 72 hours is $262. The best round-trip flight deal from Jacksonville to Denver found on momondo in the last 72 hours is $442.
The fastest flight from Jacksonville to Denver takes 3h 50m
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. 3h 50m 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
3,085 reviews
Search Frontier flights
JetBluePriceFrom $141Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
DeltaPriceFrom $192Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $200Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
SouthwestPriceFrom $323Free CancellationRating
7.9
4,252 reviews
Search Southwest flights

  • Southwest Flights From Jacksonville to Denver

    Southwest flight deals from Jacksonville to Denver start from $323 round-trip. Over the 4 Southwest flights for this route in a normal week, average airfare is usually $468 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Jacksonville to Denver

    Across 9,093 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Jacksonville to Denver about 13 times each week, with ticket deals ranging from $242 to $465. 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
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

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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