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

As of May 2026, there are 70 flights per week flying from Jacksonville to Florida Keys. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.

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

Allegiant Air, Southwest, and Delta 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 4 as of May 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.

$114 Cheap Flights from Jacksonville to Florida Keys in 2026

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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.

6:28 pm - 11:03 pm

JAX

MIA

4h 35m

1 stop

8:30 am - 5:33 pm

MIA

JAX

9h 03m

1 stop

$230Frontier

Tue, Jun 16 - Wed, Jun 17

10:44 am - 10:15 am

JAX

MIA

23h 31m

1 stop

11:19 am - 5:34 pm

MIA

JAX

6h 15m

1 stop

$237Frontier

Tue, Jul 7 - Tue, Jul 14

10:49 am - 10:15 am

JAX

MIA

23h 26m

1 stop

11:19 am - 5:34 pm

MIA

JAX

6h 15m

1 stop

$241Frontier

Wed, Jul 8 - Wed, Jul 15

10:49 am - 10:15 am

JAX

MIA

23h 26m

1 stop

9:33 pm - 10:04 am

MIA

JAX

12h 31m

1 stop

$243Frontier

Wed, Jul 8 - Wed, Jul 15

2:11 pm - 8:26 pm

JAX

MIA

6h 15m

1 stop

11:19 am - 5:34 pm

MIA

JAX

6h 15m

1 stop

$244Frontier

Sat, Jul 18 - Tue, Jul 21

9:40 pm - 6:28 pm

JAX

EYW

20h 48m

1 stop

4:17 pm - 2:00 pm

EYW

JAX

21h 43m

2 stops

$265Allegiant Air

Sun, Jul 5 - Thu, Jul 9

10:49 am - 9:37 pm

JAX

EYW

10h 48m

1 stop

1:11 pm - 8:04 pm

EYW

JAX

30h 53m

2 stops

$266Multiple Airlines

Thu, Jul 30 - Mon, Aug 3

8:48 pm - 10:27 am

JAX

EYW

13h 39m

1 stop

7:53 pm - 8:57 am

EYW

JAX

13h 04m

2 stops

$280Breeze Airways

Sun, Aug 23 - Thu, Aug 27

8:47 am - 6:28 pm

JAX

EYW

9h 41m

1 stop

11:46 am - 7:57 am

EYW

JAX

44h 11m

2 stops

$289Multiple Airlines

Fri, Jul 17 - Wed, Jul 22

12:01 pm - 1:58 pm

JAX

EYW

25h 57m

2 stops

9:01 am - 2:00 pm

EYW

JAX

4h 59m

1 stop

$300Allegiant Air

Fri, Jun 5 - Mon, Jun 8

Frontier flights from Jacksonville to Florida Keys

Our best Frontier deals on Jacksonville to Florida Keys flight tickets

Frontier

Jun 16

JAX6:28 pmJacksonville

4h 35m

1 stop

MIA11:03 pmMiami

Jun 17

MIA8:30 amMiami

9h 03m

1 stop

JAX5:33 pmJacksonville

$230

Frontier

Jul 7

JAX10:44 amJacksonville

23h 31m

1 stop

MIA10:15 amMiami

Jul 14

MIA11:19 amMiami

6h 15m

1 stop

JAX5:34 pmJacksonville

$237

Frontier

Jul 8

JAX10:49 amJacksonville

23h 26m

1 stop

MIA10:15 amMiami

Jul 15

MIA11:19 amMiami

6h 15m

1 stop

JAX5:34 pmJacksonville

$241

Southwest flights from Jacksonville to Florida Keys

Our best Southwest deals on Jacksonville to Florida Keys flight tickets

Southwest

Aug 26

JAX6:15 amJacksonville

9h 15m

2 stops

MIA3:30 pmMiami

Aug 30

MIA5:50 amMiami

7h 15m

1 stop

JAX1:05 pmJacksonville

$314

Southwest

Jul 15

JAX7:55 amJacksonville

6h 30m

1 stop

MIA2:25 pmMiami

Jul 15

MIA4:20 pmMiami

4h 50m

1 stop

JAX9:10 pmJacksonville

$327

Southwest

Jun 10

JAX7:55 amJacksonville

6h 30m

1 stop

MIA2:25 pmMiami

Jun 17

MIA6:00 amMiami

6h 35m

2 stops

JAX12:35 pmJacksonville

$403

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Tue 6/16

6:28 pm-11:03 pm

1 stop4h 35m

Miami

Wed 6/17

8:30 am-5:33 pm

1 stop9h 03m

$230

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Tue 7/7

10:44 am-10:15 am

1 stop23h 31m

Miami

Tue 7/14

11:19 am-5:34 pm

1 stop6h 15m

$237

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Wed 7/8

10:49 am-10:15 am

1 stop23h 26m

Miami

Wed 7/15

11:19 am-5:34 pm

1 stop6h 15m

$241

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Wed 7/8

10:49 am-10:15 am

1 stop23h 26m

Miami

Wed 7/15

9:33 pm-10:04 am

1 stop12h 31m

$243

Quickest round-trip

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Sat 7/18

2:11 pm-8:26 pm

1 stop6h 15m

Miami

Tue 7/21

11:19 am-5:34 pm

1 stop6h 15m

$244

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 7/5

9:40 pm-6:28 pm

1 stop20h 48m

Key West

Thu 7/9

4:17 pm-2:00 pm

2 stops21h 43m

$265

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 7/30

10:49 am-9:37 pm

1 stop10h 48m

Key West

Mon 8/3

1:11 pm-8:04 pm

2 stops30h 53m

$266

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 8/23

8:48 pm-10:27 am

1 stop13h 39m

Key West

Thu 8/27

7:53 pm-8:57 am

2 stops13h 04m

$280

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 7/17

8:47 am-6:28 pm

1 stop9h 41m

Key West

Wed 7/22

11:46 am-7:57 am

2 stops44h 11m

$289

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 6/5

12:01 pm-1:58 pm

2 stops25h 57m

Key West

Mon 6/8

9:01 am-2:00 pm

1 stop4h 59m

$300

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 April is another great option to travel to Florida Keys, with average flight prices from Jacksonville averaging around $140.

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 Friday when prices can be found for as low as $625. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $677.

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 $605. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $967.

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 $494 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 $346 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

Fastest flight time	1h 19m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Jacksonville to Florida Keys takes 1h 19m

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 4 as of May 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 14.29% of the total bookings. Other popular models include Embraer 175 with 11.96%, Airbus A220-300 with 10.56%, and Airbus A319 with 8.66%.

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 $278	Free Cancellation	Rating 7.1 11,640 reviews		Search American Airlines flights
Delta	PriceFrom $326	Free Cancellation	Rating 7.9 8,416 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.