What is the cheapest airline that flies from Jacksonville to Key West?

Delta, Breeze Airways, and Allegiant Air are the most popular carriers operating from Jacksonville to Key West

When did momondo last update prices for flights from Jacksonville Airport to Key West Airport?

Prices for flights from Jacksonville Airport to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Jacksonville Airport to Key West Airport?

As of December 2025, there are 2 operators available to choose from for flights from Jacksonville Airport to Key West Airport.

How old do you have to be to fly from Jacksonville Airport to Key West Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$123 Cheap Flights from Jacksonville to Key West in 2025/26

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Find the cheapest flights from Jacksonville to Key West

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Cheap round-trip flights

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7:59 pm - 10:11 am

JAX

EYW

14h 12m1 stop

9:46 am - 7:12 am

EYW

JAX

21h 26m2 stops

$250Multiple Airlines

Sun, Mar 1 - Thu, Mar 5

8:30 am - 1:48 pm

JAX

EYW

5h 18m1 stop

7:10 am - 2:18 pm

EYW

JAX

7h 08m1 stop

$251Delta

Tue, Jan 6 - Tue, Jan 13

7:59 pm - 10:11 am

JAX

EYW

14h 12m1 stop

9:46 am - 7:12 am

EYW

JAX

21h 26m2 stops

$255Multiple Airlines

Sun, Mar 1 - Thu, Mar 5

6:00 pm - 11:56 pm

JAX

EYW

5h 56m1 stop

6:06 am - 9:26 am

EYW

JAX

3h 20m1 stop

$265American Airlines

Tue, Jan 6 - Sun, Jan 11

7:59 pm - 10:11 am

JAX

EYW

14h 12m1 stop

9:46 am - 7:12 am

EYW

JAX

21h 26m2 stops

$266Multiple Airlines

Sun, Mar 1 - Thu, Mar 5

8:26 pm - 8:39 am

JAX

EYW

12h 13m1 stop

6:33 pm - 12:14 pm

EYW

JAX

17h 41m1 stop

$269Multiple Airlines

Fri, Jan 2 - Sat, Jan 17

9:32 pm - 6:21 pm

JAX

EYW

20h 49m1 stop

12:51 pm - 4:57 pm

EYW

JAX

28h 06m2 stops

$277Multiple Airlines

Thu, Jan 1 - Thu, Jan 8

6:00 pm - 11:56 pm

JAX

EYW

5h 56m1 stop

6:06 am - 9:26 am

EYW

JAX

3h 20m1 stop

$279American Airlines

Thu, Jan 22 - Sun, Jan 25

9:29 pm - 9:39 am

JAX

EYW

12h 10m1 stop

12:20 pm - 5:08 pm

EYW

JAX

52h 48m2 stops

$280Multiple Airlines

Tue, Dec 30 - Tue, Jan 6

8:26 pm - 8:39 am

JAX

EYW

12h 13m1 stop

1:01 pm - 7:59 am

EYW

JAX

18h 58m2 stops

$281Multiple Airlines

Fri, Jan 2 - Sat, Jan 17

Allegiant Air flights from Jacksonville to Key West

Our best Allegiant Air deals on Jacksonville to Key West flight tickets

Allegiant Air

Mar 22

JAX7:16 pmJacksonville

14h 55m

1 stop

EYW10:11 amKey West

Mar 28

EYW3:33 pmKey West

20h 54m

2 stops

JAX12:27 pmJacksonville

$364

Find similar

Allegiant Air

Mar 1

JAX7:59 pmJacksonville

14h 12m

1 stop

EYW10:11 amKey West

Mar 5

EYW12:37 pmKey West

20h 18m

1 stop

JAX8:55 amJacksonville

$379

Find similar

Allegiant Air

Mar 1

JAX7:59 pmJacksonville

14h 12m

1 stop

EYW10:11 amKey West

Mar 5

EYW12:37 pmKey West

20h 18m

1 stop

JAX8:55 amJacksonville

$389

Find similar

American Airlines flights from Jacksonville to Key West

Our best American Airlines deals on Jacksonville to Key West flight tickets

American Airlines

Jan 6

JAX6:00 pmJacksonville

5h 56m

1 stop

EYW11:56 pmKey West

Jan 11

EYW6:06 amKey West

3h 20m

1 stop

JAX9:26 amJacksonville

$265

Find similar

American Airlines

Jan 22

JAX6:00 pmJacksonville

5h 56m

1 stop

EYW11:56 pmKey West

Jan 25

EYW6:06 amKey West

3h 20m

1 stop

JAX9:26 amJacksonville

$279

Find similar

American Airlines

Dec 16

JAX6:00 amJacksonville

5h 02m

1 stop

EYW11:02 amKey West

Dec 23

EYW8:30 pmKey West

3h 28m

1 stop

JAX11:58 pmJacksonville

$299

Find similar

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/1

7:59 pm-10:11 am

1 stop14h 12m

Key West

Thu 3/5

9:46 am-7:12 am

2 stops21h 26m

$250

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 1/6

8:30 am-1:48 pm

1 stop5h 18m

Key West

Tue 1/13

7:10 am-2:18 pm

1 stop7h 08m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/1

7:59 pm-10:11 am

1 stop14h 12m

Key West

Thu 3/5

9:46 am-7:12 am

2 stops21h 26m

$255

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 1/6

6:00 pm-11:56 pm

1 stop5h 56m

Key West

Sun 1/11

6:06 am-9:26 am

1 stop3h 20m

$265

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/1

7:59 pm-10:11 am

1 stop14h 12m

Key West

Thu 3/5

9:46 am-7:12 am

2 stops21h 26m

$266

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 1/2

8:26 pm-8:39 am

1 stop12h 13m

Key West

Sat 1/17

6:33 pm-12:14 pm

1 stop17h 41m

$269

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 1/1

9:32 pm-6:21 pm

1 stop20h 49m

Key West

Thu 1/8

12:51 pm-4:57 pm

2 stops28h 06m

$277

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 1/22

6:00 pm-11:56 pm

1 stop5h 56m

Key West

Sun 1/25

6:06 am-9:26 am

1 stop3h 20m

$279

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 12/30

9:29 pm-9:39 am

1 stop12h 10m

Key West

Tue 1/6

12:20 pm-5:08 pm

2 stops52h 48m

$280

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 1/2

8:26 pm-8:39 am

1 stop12h 13m

Key West

Sat 1/17

1:01 pm-7:59 am

2 stops18h 58m

$281

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 Key West

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

What is the cheapest month to fly to Key West?

In general, October is the cheapest month to fly from Jacksonville to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. If you are unable to visit Key West during the month of October, then departing from Jacksonville during the month September is also very affordable. Most momondo users find prices during this month for around $341.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Jacksonville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $462. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Key West for around $543.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Jacksonville to Key West in the morning for as low as $499. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the afternoon, with an average ticket price of $513. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Jacksonville for as low as $316 on momondo.

How have Jacksonville to Key West flight prices changed over time?

As of December 2025, prices for Jacksonville to Key West flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Jacksonville to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Jacksonville to Key West (JAX to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to Key West

Fastest flight time	3h 44m
Direct flights	None

The fastest flight from Jacksonville to Key West takes 3h 44m

There are no direct flights from Jacksonville to Key West. There are no popular flight routes from Jacksonville to Key West.

Search flight deals

How far is Jacksonville to Key West by plane?
The straight-line distance from Jacksonville to Key West is 399.0 mi. By plane, this route typically takes 2h 48m.
When did momondo last update prices for flights from Jacksonville Airport to Key West Airport?
Prices for flights from Jacksonville Airport to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Jacksonville Airport to Key West Airport?
As of December 2025, there are 2 operators available to choose from for flights from Jacksonville Airport to Key West Airport.
How old do you have to be to fly from Jacksonville Airport to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Jacksonville to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Jacksonville to Key West is American Airlines (84% of total bookings). The next most popular airline is Delta (16%).

Best airlines flying from Jacksonville to Key West

Compare and see reviews for airlines that fly from Jacksonville to Key West with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,045 reviews		Search American Airlines flights
Delta	PriceFrom $326	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Jacksonville to Key West for you.

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

Yes. All flights to Key West from Jacksonville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Jacksonville to Key West?

Once you have performed a search for Jacksonville to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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