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

As of September 2026, there are 63 flights per week flying from Jacksonville to Florida Keys. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.

What is the cheapest airline that flies from Jacksonville to Florida Keys?

Frontier, Allegiant Air, and Southwest are the most popular carriers operating from Jacksonville to Florida Keys

When did momondo last update prices for flights from Jacksonville Airport to Florida Keys?

Prices for flights from Jacksonville Airport to Florida Keys are refreshed on a daily basis.

How many operators does momondo search for flights from Jacksonville Airport to Florida Keys?

The number of operators available for flights from Jacksonville Airport to Florida Keys is 5 as of September 2026.

How old do you have to be to fly from Jacksonville Airport to Florida Keys?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Jacksonville Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$58 Cheap Flights from Jacksonville to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Jacksonville to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:46 pm - 10:15 amJAX Jacksonville-MIA Miami

14h 29m1 stop Atlanta Hartsfield-Jackson

5:05 am - 6:28 pmMIA Miami-JAX Jacksonville

13h 23m1 stop Atlanta Hartsfield-Jackson

$114Frontier

Tue, Oct 20 - Sat, Nov 14

7:03 pm - 10:29 amJAX Jacksonville-MIA Miami

15h 26m1 stop Atlanta Hartsfield-Jackson

10:36 pm - 6:08 pmMIA Miami-JAX Jacksonville

19h 32m1 stop Atlanta Hartsfield-Jackson

$118Frontier

Tue, Oct 27 - Tue, Nov 3

6:20 pm - 9:50 pmJAX Jacksonville-MIA Miami

27h 30m1 stop Atlanta Hartsfield-Jackson

4:30 pm - 8:40 amMIA Miami-JAX Jacksonville

16h 10m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$200Multiple Airlines

Thu, Oct 22 - Thu, Oct 29

9:08 pm - 9:49 pmJAX Jacksonville-MIA Miami

24h 41m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson

10:36 pm - 6:08 pmMIA Miami-JAX Jacksonville

19h 32m1 stop Atlanta Hartsfield-Jackson

$201Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

7:25 am - 4:10 pmJAX Jacksonville-MIA Miami

8h 45m2 stops Nashville Intl Lambert-St Louis

7:30 am - 2:55 pmMIA Miami-JAX Jacksonville

7h 25m1 stop Baltimore/Washington

$262Southwest

Mon, Sep 28 - Tue, Sep 29

6:00 am - 7:26 amJAX Jacksonville-MIA Miami

1h 26mnonstop

10:55 pm - 12:22 amMIA Miami-JAX Jacksonville

1h 27mnonstop

$267American Airlines

Sat, Nov 7 - Sat, Nov 7

7:45 am - 9:08 amJAX Jacksonville-MIA Miami

1h 23mnonstop

12:00 pm - 1:21 pmMIA Miami-JAX Jacksonville

1h 21mnonstop

$267American Airlines

Wed, Sep 30 - Wed, Oct 7

4:40 pm - 11:10 pmJAX Jacksonville-MIA Miami

6h 30m2 stops Nashville Intl Orlando

7:10 am - 5:50 pmMIA Miami-JAX Jacksonville

10h 40m2 stops Orlando Baltimore/Washington

$267Southwest

Mon, Oct 26 - Thu, Oct 29

11:29 am - 5:11 pmJAX Jacksonville-EYW Key West

5h 42m1 stop Atlanta Hartsfield-Jackson

2:35 pm - 8:39 pmEYW Key West-JAX Jacksonville

6h 04m1 stop Atlanta Hartsfield-Jackson

$367Delta

Fri, Jan 8 - Wed, Jan 13

6:30 am - 10:58 amJAX Jacksonville-EYW Key West

4h 28m1 stop Atlanta Hartsfield-Jackson

7:00 am - 12:24 pmEYW Key West-JAX Jacksonville

5h 24m1 stop Atlanta Hartsfield-Jackson

$367Delta

Sat, Jan 9 - Wed, Jan 13

Cheap last minute flights

Enter your travel dates to find the best prices.

9:15 am - 7:45 pmJAX Jacksonville-MIA Miami

10h 30m1 stop Philadelphia

11:30 pm - 11:17 amMIA Miami-JAX Jacksonville

11h 47m1 stop San Juan Luis Munoz Marin Intl

$260Frontier

Fri, Sep 11 - Wed, Sep 16

7:46 pm - 8:38 pmJAX Jacksonville-MIA Miami

24h 52m1 stop Atlanta Hartsfield-Jackson

9:43 pm - 7:01 pmMIA Miami-JAX Jacksonville

21h 18m1 stop Atlanta Hartsfield-Jackson

$286Frontier

Fri, Sep 11 - Tue, Sep 15

7:46 pm - 8:38 pmJAX Jacksonville-MIA Miami

24h 52m1 stop Atlanta Hartsfield-Jackson

5:32 am - 4:26 pmMIA Miami-JAX Jacksonville

10h 54m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$351Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

8:48 pm - 8:53 pmJAX Jacksonville-MIA Miami

24h 05m1 stop Raleigh-Durham

5:22 am - 7:01 pmMIA Miami-JAX Jacksonville

13h 39m1 stop Atlanta Hartsfield-Jackson

$380Multiple Airlines

Sun, Sep 6 - Sat, Sep 12

7:37 pm - 9:00 pmJAX Jacksonville-MIA Miami

1h 23mnonstop

1:52 pm - 3:14 pmMIA Miami-JAX Jacksonville

1h 22mnonstop

$451American Airlines

Fri, Sep 11 - Wed, Sep 16

7:45 am - 9:08 amJAX Jacksonville-MIA Miami

1h 23mnonstop

1:52 pm - 3:14 pmMIA Miami-JAX Jacksonville

1h 22mnonstop

$451American Airlines

Fri, Sep 11 - Fri, Sep 18

2:29 pm - 8:00 pmJAX Jacksonville-EYW Key West

5h 31m1 stop Atlanta Hartsfield-Jackson

6:19 pm - 11:58 pmEYW Key West-JAX Jacksonville

5h 39m1 stop Atlanta Hartsfield-Jackson

$476Delta

Thu, Sep 10 - Mon, Sep 14

2:29 pm - 8:00 pmJAX Jacksonville-EYW Key West

5h 31m1 stop Atlanta Hartsfield-Jackson

7:40 am - 1:38 pmEYW Key West-JAX Jacksonville

5h 58m1 stop Atlanta Hartsfield-Jackson

$483Delta

Thu, Sep 10 - Sun, Sep 13

1:00 pm - 10:10 pmJAX Jacksonville-MIA Miami

9h 10m2 stops Nashville Intl Orlando

7:00 am - 3:15 pmMIA Miami-JAX Jacksonville

8h 15m2 stops Orlando Baltimore/Washington

$623Southwest

Fri, Sep 11 - Fri, Sep 18

7:25 am - 4:10 pmJAX Jacksonville-MIA Miami

8h 45m2 stops Nashville Intl Lambert-St Louis

7:00 am - 3:55 pmMIA Miami-JAX Jacksonville

8h 55m2 stops Orlando Nashville Intl

$667Southwest

Fri, Sep 11 - Mon, Sep 14

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American Airlines flights from Jacksonville to Florida Keys

Our best American Airlines deals on Jacksonville to Florida Keys flight tickets

American Airlines

Sep 16

JAX7:45 amJacksonville

1h 23m

MIA9:08 amMiami

Sep 23

MIA9:55 pmMiami

1h 19m

JAX11:14 pmJacksonville

$307

American Airlines

Sep 16

JAX1:00 pmJacksonville

5h 44m

1 stop

MIA6:44 pmMiami

Sep 23

MIA9:55 pmMiami

1h 19m

JAX11:14 pmJacksonville

$317

American Airlines

Sep 19

JAX7:42 amJacksonville

1h 18m

MIA9:00 amMiami

Sep 21

MIA5:40 pmMiami

1h 26m

JAX7:06 pmJacksonville

$322

Frontier flights from Jacksonville to Florida Keys

Our best Frontier deals on Jacksonville to Florida Keys flight tickets

Frontier

Oct 20

JAX7:46 pmJacksonville

14h 29m

1 stop

MIA10:15 amMiami

Nov 14

MIA5:05 amMiami

13h 23m

1 stop

JAX6:28 pmJacksonville

$114

Frontier

Oct 27

JAX7:03 pmJacksonville

15h 26m

1 stop

MIA10:29 amMiami

Nov 3

MIA10:36 pmMiami

19h 32m

1 stop

JAX6:08 pmJacksonville

$118

Frontier

Oct 3

JAX7:46 pmJacksonville

14h 44m

1 stop

MIA10:30 amMiami

Oct 7

MIA5:32 amMiami

13h 29m

1 stop

JAX7:01 pmJacksonville

$120

momondo Fare Finder

Use the filters below to find and compare flights from Jacksonville to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Tue 10/20

7:46 pm-10:15 am

1 stop14h 29m

Miami

Sat 11/14

5:05 am-6:28 pm

1 stop13h 23m

$114

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Tue 10/27

7:03 pm-10:29 am

1 stop15h 26m

Miami

Tue 11/3

10:36 pm-6:08 pm

1 stop19h 32m

$118

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Thu 10/22

6:20 pm-9:50 pm

1 stop27h 30m

Miami

Thu 10/29

4:30 pm-8:40 am

2 stops16h 10m

$200

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Thu 10/29

9:08 pm-9:49 pm

2 stops24h 41m

Miami

Tue 11/3

10:36 pm-6:08 pm

1 stop19h 32m

$201

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Mon 9/28

7:25 am-4:10 pm

2 stops8h 45m

Miami

Tue 9/29

7:30 am-2:55 pm

1 stop7h 25m

$262

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Sat 11/7

6:00 am-7:26 am

Nonstop1h 26m

Miami

Sat 11/7

10:55 pm-12:22 am

Nonstop1h 27m

$267

Quickest round-trip

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Wed 9/30

7:45 am-9:08 am

Nonstop1h 23m

Miami

Wed 10/7

12:00 pm-1:21 pm

Nonstop1h 21m

$267

JacksonvilleMiami

JAX Jacksonville - MIA Miami

JAXMIA

Jacksonville

Mon 10/26

4:40 pm-11:10 pm

2 stops6h 30m

Miami

Thu 10/29

7:10 am-5:50 pm

2 stops10h 40m

$267

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Fri 1/8

11:29 am-5:11 pm

1 stop5h 42m

Key West

Wed 1/13

2:35 pm-8:39 pm

1 stop6h 04m

$367

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Sat 1/9

6:30 am-10:58 am

1 stop4h 28m

Key West

Wed 1/13

7:00 am-12:24 pm

1 stop5h 24m

$367

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 Florida Keys

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

Other information

What is the cheapest month to fly to Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Jacksonville averaging around $453.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Jacksonville to Florida Keys is on a Saturday when prices can be found for as low as $655. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $743.

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

According to our data, the cheapest time of day to fly to Florida Keys is in the morning. momondo users have found flights departing from Jacksonville to Florida Keys in the morning for as low as $632. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,153.

How far in advance should I book a flight from Jacksonville to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $503 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Jacksonville for as low as $327 on momondo.

Can stopping save me money on Jacksonville to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Jacksonville to Florida Keys.

Cheap Jacksonville to Florida Keys flight deals and tips

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

Best Price Found	$58
Fastest flight time	1h 20m
Direct flights	Every day
Airports in Florida Keys	3 airports

The best one-way flight to Florida Keys from Jacksonville in the past 72 hours is $58. The best round-trip flight deal from Jacksonville to Florida Keys found on momondo in the last 72 hours is $114.

The fastest flight from Jacksonville to Florida Keys takes 1h 20m

Direct flights go from Jacksonville to Florida Keys every day.

There are 3 airports in Florida Keys. From Jacksonville there are direct flights to Miami (MIA).

Search flight deals

Frequently asked questions about flying from Jacksonville to Florida Keys

When did momondo last update prices for flights from Jacksonville Airport to Florida Keys?
Prices for flights from Jacksonville Airport to Florida Keys are refreshed on a daily basis.
How many operators does momondo search for flights from Jacksonville Airport to Florida Keys?
The number of operators available for flights from Jacksonville Airport to Florida Keys is 5 as of September 2026.
How old do you have to be to fly from Jacksonville Airport to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Jacksonville Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Jacksonville to Florida Keys?
Based on momondo bookings for flights between Jacksonville and Florida Keys, the leading plane model is Airbus A320-100/200, making up 13.48% of the total bookings. Other popular models include Airbus A220-300 with 12.76%, Embraer 175 with 10.30%, and Airbus A319 with 8.08%.

Best airlines flying from Jacksonville to Florida Keys

Compare and see reviews for airlines that fly from Jacksonville to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $298	Free Cancellation	Rating 7.1 12,044 reviews		Search American Airlines flights
Delta	PriceFrom $366	Free Cancellation	Rating 7.8 8,573 reviews		Search Delta flights

Why use momondo?

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

It is quick and easy to find Jacksonville to Florida Keys flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Florida Keys that suits you.

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

momondo does allow users to show only those flights to Florida Keys from Jacksonville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Jacksonville to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from Jacksonville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Jacksonville to Florida Keys now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Florida Keys and let you know when they change.