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Cheap flights from Jacksonville to Florida Keys from $77

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 Florida Keys departing on 10/9. 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 Florida Keys

Cheap round-trip flights

Frontier Logo
6:03 pm - 12:34 amJAX-MIA
6h 31m1 stop
Frontier Logo
1:00 pm - 8:47 pmMIA-JAX
7h 47m1 stop
$147Frontier
Find Deal
Thu, Oct 16 - Thu, Oct 23
Frontier Logo
5:13 pm - 12:34 amJAX-MIA
7h 21m1 stop
Frontier Logo
5:05 am - 4:13 pmMIA-JAX
11h 08m1 stop
$154Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Logo
4:16 pm - 9:05 pmJAX-MIA
28h 49m1 stop
Logo
5:30 am - 11:43 amMIA-JAX
6h 13m1 stop
$197
Find Deal
Fri, Sep 12 - Sun, Sep 21
Logo
4:16 pm - 9:05 pmJAX-MIA
28h 49m1 stop
Logo
5:30 am - 11:43 amMIA-JAX
6h 13m1 stop
$212
Find Deal
Fri, Sep 26 - Sun, Sep 28
Southwest Logo
6:25 am - 3:55 pmJAX-MIA
9h 30m2 stops
Southwest Logo
11:45 am - 5:35 pmMIA-JAX
5h 50m1 stop
$238Southwest
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Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
3:25 pm - 7:22 pmJAX-EYW
3h 57m1 stop
American Airlines Logo
1:25 pm - 6:58 pmEYW-JAX
5h 33m1 stop
$239American Airlines
Find Deal
Tue, Oct 28 - Fri, Oct 31
Southwest Logo
6:15 am - 2:05 pmJAX-MIA
7h 50m2 stops
Southwest Logo
1:00 pm - 8:00 pmMIA-JAX
7h 00m1 stop
$245Southwest
Find Deal
Tue, Sep 23 - Wed, Sep 24
American Airlines Logo
3:25 pm - 6:59 pmJAX-EYW
3h 34m1 stop
American Airlines Logo
11:25 am - 2:55 pmEYW-JAX
3h 30m1 stop
$251American Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Delta Logo
7:00 am - 8:53 pmJAX-MIA
13h 53m1 stop
Delta Logo
7:35 pm - 3:39 pmMIA-JAX
20h 04m1 stop
$253Delta
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Tue, Sep 30 - Fri, Oct 3
Delta Logo
5:20 am - 10:55 amJAX-EYW
5h 35m1 stop
Delta Logo
2:00 pm - 8:40 pmEYW-JAX
6h 40m1 stop
$285Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20

American Airlines flights from Jacksonville to Florida Keys

Our best American Airlines deals on Jacksonville to Florida Keys flight tickets
American Airlines
Oct 28
JAX3:25 pmJacksonville
3h 57m
1 stop
EYW7:22 pmKey West
Oct 31
EYW1:25 pmKey West
5h 33m
1 stop
JAX6:58 pmJacksonville
$239
Find similar
American Airlines
Sep 17
JAX3:25 pmJacksonville
3h 34m
1 stop
EYW6:59 pmKey West
Sep 20
EYW11:25 amKey West
3h 30m
1 stop
JAX2:55 pmJacksonville
$251
Find similar
American Airlines
Oct 11
JAX3:25 pmJacksonville
3h 57m
1 stop
EYW7:22 pmKey West
Oct 13
EYW7:52 pmKey West
4h 07m
1 stop
JAX11:59 pmJacksonville
$279
Find similar

Frontier flights from Jacksonville to Florida Keys

Our best Frontier deals on Jacksonville to Florida Keys flight tickets
Frontier
Oct 16
JAX6:03 pmJacksonville
6h 31m
1 stop
MIA12:34 amMiami
Oct 23
MIA1:00 pmMiami
7h 47m
1 stop
JAX8:47 pmJacksonville
$147
Find similar
Frontier
Oct 30
JAX5:13 pmJacksonville
7h 21m
1 stop
MIA12:34 amMiami
Nov 2
MIA5:05 amMiami
11h 08m
1 stop
JAX4:13 pmJacksonville
$154
Find similar
Frontier
Nov 2
JAX5:13 pmJacksonville
7h 21m
1 stop
MIA12:34 amMiami
Nov 6
MIA5:05 amMiami
11h 08m
1 stop
JAX4:13 pmJacksonville
$156
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Jacksonville to Florida Keys 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 August 28, 2025.
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

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Thu 10/16

6:03 pm-12:34 am

1 stop6h 31m

Miami

Thu 10/23

1:00 pm-8:47 pm

1 stop7h 47m

$147

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Thu 10/30

5:13 pm-12:34 am

1 stop7h 21m

Miami

Sun 11/2

5:05 am-4:13 pm

1 stop11h 08m

$154

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Fri 9/12

4:16 pm-9:05 pm

1 stop28h 49m

Miami

Sun 9/21

5:30 am-11:43 am

1 stop6h 13m

$197

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Fri 9/26

4:16 pm-9:05 pm

1 stop28h 49m

Miami

Sun 9/28

5:30 am-11:43 am

1 stop6h 13m

$212

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Tue 10/21

6:25 am-3:55 pm

2 stops9h 30m

Miami

Tue 10/28

11:45 am-5:35 pm

1 stop5h 50m

$238

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 10/28

3:25 pm-7:22 pm

1 stop3h 57m

Key West

Fri 10/31

1:25 pm-6:58 pm

1 stop5h 33m

$239

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Tue 9/23

6:15 am-2:05 pm

2 stops7h 50m

Miami

Wed 9/24

1:00 pm-8:00 pm

1 stop7h 00m

$245

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 9/17

3:25 pm-6:59 pm

1 stop3h 34m

Key West

Sat 9/20

11:25 am-2:55 pm

1 stop3h 30m

$251

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

Tue 9/30

7:00 am-8:53 pm

1 stop13h 53m

Miami

Fri 10/3

7:35 pm-3:39 pm

1 stop20h 04m

$253

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 9/17

5:20 am-10:55 am

1 stop5h 35m

Key West

Sat 9/20

2:00 pm-8:40 pm

1 stop6h 40m

$285

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 Florida Keys from

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

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 $360.

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 Sunday when prices can be found for as low as $629. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $690.

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 $582. 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 $1,072.

How far in advance should I book a flight 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 $434 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 $256 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 15m

Direct flights

Every day

Airports in Florida Keys

1 airport
The fastest flight from Jacksonville to Florida Keys takes 1h 15m
Direct flights go from Jacksonville to Florida Keys every day.
There is 1 airport near Florida Keys: Miami (MIA)
Search flight deals

  • 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?

  • 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?

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 AirlinesPriceFrom $309Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $336Free CancellationRating
7.9
7,977 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.

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Find better results for your trip to Florida Keys

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