What is the cheapest airline that flies from Jacksonville to Denver Intl?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Jacksonville to Denver Intl

Which layover airport has the shortest connection time from Jacksonville to Denver?

St. Louis (STL) has the shortest average layover time for this route: 1h 03m.

What airlines fly to Denver?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Denver from Jacksonville according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Jacksonville to Denver?

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 5h 40m.

Which layover airport offers the lowest fares from Jacksonville to Denver?

Flights via Dallas (DFW) offer the lowest average round-trip price of $128.

How many flights depart from Jacksonville to Denver on average per week?

As of August 2025, 6 flights take off from Jacksonville and land in Denver each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

Which airport is the most popular layover for flights between Jacksonville and Denver?

Philadelphia (PHL) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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?

As of August 2025, there are 6 operators available to choose from 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.

$79 Cheap Flights from Jacksonville to Denver (JAX-DEN) in 2025

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Find the cheapest flights from Jacksonville to Denver (JAX-DEN)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 pm - 7:48 pmJAX-DEN

5h 48m1 stop

9:15 am - 5:43 pmDEN-JAX

6h 28m1 stop

$177American Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

3:25 pm - 11:01 pmJAX-DEN

9h 36m1 stop

2:17 pm - 9:59 pmDEN-JAX

5h 42m1 stop

$194American Airlines

Find Deal

Fri, Sep 12 - Wed, Sep 17

7:00 am - 11:39 amJAX-DEN

6h 39m1 stop

1:25 pm - 9:58 pmDEN-JAX

6h 33m1 stop

$206United Airlines

Find Deal

Tue, Sep 16 - Sat, Sep 20

10:56 pm - 8:38 amJAX-DEN

11h 42m1 stop

11:15 pm - 2:38 pmDEN-JAX

13h 23m1 stop

$248Frontier

Find Deal

Sun, Aug 31 - Wed, Sep 3

10:56 pm - 8:38 amJAX-DEN

11h 42m1 stop

12:59 am - 11:43 amDEN-JAX

8h 44m1 stop

$258Frontier

Find Deal

Sun, Aug 31 - Sat, Sep 6

8:00 am - 9:45 amJAX-DEN

3h 45mnonstop

8:00 am - 4:25 pmDEN-JAX

6h 25m1 stop

$261Southwest

Find Deal

Tue, Oct 28 - Tue, Nov 4

8:00 am - 9:45 amJAX-DEN

3h 45mnonstop

10:20 am - 8:15 pmDEN-JAX

7h 55m2 stops

$266Southwest

Find Deal

Tue, Oct 28 - Tue, Nov 4

7:51 pm - 11:59 pmJAX-DEN

6h 08m1 stop

12:45 am - 10:57 amDEN-JAX

8h 12m1 stop

$269Delta

Find Deal

Thu, Sep 18 - Sun, Sep 21

4:20 pm - 6:08 pmJAX-DEN

3h 48mnonstop

5:51 pm - 11:15 pmDEN-JAX

3h 24mnonstop

$291United Airlines

Find Deal

Fri, Oct 3 - Tue, Oct 7

5:20 am - 8:31 amJAX-DEN

5h 11m1 stop

12:45 am - 10:57 amDEN-JAX

8h 12m1 stop

$297Delta

Find Deal

Wed, Sep 10 - Mon, Sep 15

American Airlines flights from Jacksonville to Denver

Our best American Airlines deals on Jacksonville to Denver flight tickets

American Airlines

Jan 17

JAX4:00 pmJacksonville

5h 48m

1 stop

DEN7:48 pmDenver Intl

Jan 24

DEN9:15 amDenver Intl

6h 28m

1 stop

JAX5:43 pmJacksonville

$177

Find similar

American Airlines

Sep 12

JAX3:25 pmJacksonville

9h 36m

1 stop

DEN11:01 pmDenver Intl

Sep 17

DEN2:17 pmDenver Intl

5h 42m

1 stop

JAX9:59 pmJacksonville

$194

Find similar

American Airlines

Sep 23

JAX3:06 pmJacksonville

9h 03m

2 stops

DEN10:09 pmDenver Intl

Sep 25

DEN11:57 pmDenver Intl

7h 35m

1 stop

JAX9:32 amJacksonville

$199

Find similar

United Airlines flights from Jacksonville to Denver

Our best United Airlines deals on Jacksonville to Denver flight tickets

United Airlines

Sep 16

JAX7:00 amJacksonville

6h 39m

1 stop

DEN11:39 amDenver Intl

Sep 20

DEN1:25 pmDenver Intl

6h 33m

1 stop

JAX9:58 pmJacksonville

$206

Find similar

United Airlines

Oct 3

JAX4:20 pmJacksonville

3h 48m

DEN6:08 pmDenver Intl

Oct 7

DEN5:51 pmDenver Intl

3h 24m

JAX11:15 pmJacksonville

$291

Find similar

United Airlines

Sep 29

JAX8:15 amJacksonville

3h 48m

DEN10:03 amDenver Intl

Oct 1

DEN5:51 pmDenver Intl

3h 24m

JAX11:15 pmJacksonville

$294

Find similar

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sat 1/17

4:00 pm-7:48 pm

1 stop5h 48m

Denver Intl

Sat 1/24

9:15 am-5:43 pm

1 stop6h 28m

$177

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 9/12

3:25 pm-11:01 pm

1 stop9h 36m

Denver Intl

Wed 9/17

2:17 pm-9:59 pm

1 stop5h 42m

$194

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 9/16

7:00 am-11:39 am

1 stop6h 39m

Denver Intl

Sat 9/20

1:25 pm-9:58 pm

1 stop6h 33m

$206

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 8/31

10:56 pm-8:38 am

1 stop11h 42m

Denver Intl

Wed 9/3

11:15 pm-2:38 pm

1 stop13h 23m

$248

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Sun 8/31

10:56 pm-8:38 am

1 stop11h 42m

Denver Intl

Sat 9/6

12:59 am-11:43 am

1 stop8h 44m

$258

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 10/28

8:00 am-9:45 am

Nonstop3h 45m

Denver Intl

Tue 11/4

8:00 am-4:25 pm

1 stop6h 25m

$261

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Tue 10/28

8:00 am-9:45 am

Nonstop3h 45m

Denver Intl

Tue 11/4

10:20 am-8:15 pm

2 stops7h 55m

$266

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Thu 9/18

7:51 pm-11:59 pm

1 stop6h 08m

Denver Intl

Sun 9/21

12:45 am-10:57 am

1 stop8h 12m

$269

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Fri 10/3

4:20 pm-6:08 pm

Nonstop3h 48m

Denver Intl

Tue 10/7

5:51 pm-11:15 pm

Nonstop3h 24m

$291

JacksonvilleDenver

JAX - DEN

JAXDEN

Jacksonville

Wed 9/10

5:20 am-8:31 am

1 stop5h 11m

Denver Intl

Mon 9/15

12:45 am-10:57 am

1 stop8h 12m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Jacksonville is in August. Flight prices, which tend to average around $414, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until September to fly from Jacksonville, when ticket prices are also cheap, with an average price of $415.

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 $475. 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 $606.

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 afternoon are often more expensive with an average ticket price of $549.

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 $462 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 $410 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 10% 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 August 2025, prices for Jacksonville to Denver flights are approximately 67% 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	$79
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Jacksonville in the past 72 hours is $79. The best round-trip flight deal from Jacksonville to Denver found on momondo in the last 72 hours is $177.

The fastest flight from Jacksonville to Denver takes 3h 35m

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 35m 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?
As of August 2025, there are 6 operators available to choose from 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?
Based on momondo bookings for flights between Jacksonville and Denver, the leading plane model is Boeing 737 MAX 8, making up 41.75% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 25.08%, Boeing 737-800 with 10.16%, and Airbus A320-100/200 with 9.68%.
What is the most popular airline from Jacksonville to Denver?
Based on momondo bookings for flights between Jacksonville and Denver, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include Southwest with 28%, Frontier with 6%, and American Airlines with 5%.

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
Frontier	PriceFrom $128	Free Cancellation	Rating 5.8 3,232 reviews	Search Frontier flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
JetBlue	PriceFrom $231	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.4 8,912 reviews	Search United Airlines flights
Southwest	PriceFrom $352	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Southwest Flights From Jacksonville to Denver
Southwest flight deals from Jacksonville to Denver start from $352 round-trip. Over the 2 Southwest flights for this route in a normal week, average airfare is usually $465 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Jacksonville to Denver
Across 8,912 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Jacksonville to Denver about 6 times each week, with ticket deals ranging from $318 to $475. Price data is based on momondo searches in the last 72 hours.

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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.

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Cheap flights from Jacksonville to Denver from $79

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 9/6. 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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Find the cheapest flights from Jacksonville to Denver (JAX-DEN)

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American Airlines flights from Jacksonville to Denver

Our best American Airlines deals on Jacksonville to Denver flight tickets

United Airlines flights from Jacksonville to Denver

Our best United Airlines deals on Jacksonville to Denver flight tickets

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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?

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 $475. 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 $606.

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 afternoon are often more expensive with an average ticket price of $549.

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?

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 10% 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 August 2025, prices for Jacksonville to Denver flights are approximately 67% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Jacksonville to Denver Intl?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Jacksonville to Denver Intl

What airlines fly to Denver?

Which airport is the most popular layover for flights between Jacksonville and Denver?

Philadelphia (PHL) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Jacksonville to Denver?

Flights via Dallas (DFW) offer the lowest average round-trip price of $128.

Which layover airport has the shortest travel time from Jacksonville to Denver?

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 5h 40m.

Which layover airport has the shortest connection time from Jacksonville to Denver?

St. Louis (STL) has the shortest average layover time for this route: 1h 03m.

How many flights depart from Jacksonville to Denver on average per week?

As of August 2025, 6 flights take off from Jacksonville and land in Denver each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

When to book flights from Jacksonville to Denver

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

Fastest flight time

Direct flights

Airports in Denver

How far is Jacksonville to Denver Intl by plane?

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

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?

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

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

Southwest Flights From Jacksonville to Denver

United Airlines Flights From Jacksonville to Denver

Traveling to a place near Denver?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States