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

Allegiant Air and Breeze Airways 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 January 2026, 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.

$87 Cheap Flights from Jacksonville to Key West in 2026

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Find the cheapest flights from Jacksonville to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 pm - 11:56 pm

JAX

EYW

4h 06m

1 stop

7:36 pm - 11:59 pm

EYW

JAX

4h 23m

1 stop

$251American Airlines

Sat, Feb 7 - Sat, Feb 14

9:42 pm - 4:51 pm

JAX

EYW

19h 09m

1 stop

4:06 pm - 8:52 pm

EYW

JAX

28h 46m

2 stops

$263Allegiant Air

Sun, Jan 25 - Wed, Jan 28

7:33 am - 1:15 pm

JAX

EYW

5h 42m

1 stop

7:45 pm - 11:59 pm

EYW

JAX

4h 14m

1 stop

$289American Airlines

Wed, Feb 18 - Sun, Feb 22

8:02 pm - 10:11 am

JAX

EYW

14h 09m

1 stop

9:49 am - 6:39 pm

EYW

JAX

8h 50m

2 stops

$303Multiple Airlines

Thu, Feb 19 - Mon, Feb 23

9:43 am - 1:15 pm

JAX

EYW

3h 32m

1 stop

7:45 pm - 11:59 pm

EYW

JAX

4h 14m

1 stop

$327American Airlines

Fri, Feb 20 - Sun, Feb 22

7:32 pm - 11:56 pm

JAX

EYW

4h 24m

1 stop

7:45 pm - 11:59 pm

EYW

JAX

4h 14m

1 stop

$337American Airlines

Thu, Feb 5 - Sun, Feb 8

5:51 pm - 10:24 am

JAX

EYW

16h 33m

1 stop

10:27 pm - 6:23 pm

EYW

JAX

19h 56m

2 stops

$345Multiple Airlines

Thu, Jan 29 - Sun, Feb 1

6:00 pm - 11:56 pm

JAX

EYW

5h 56m

1 stop

7:45 pm - 11:59 pm

EYW

JAX

4h 14m

1 stop

$347American Airlines

Fri, Feb 6 - Sun, Feb 8

9:43 am - 1:15 pm

JAX

EYW

3h 32m

1 stop

7:45 pm - 11:59 pm

EYW

JAX

4h 14m

1 stop

$363American Airlines

Fri, Feb 20 - Sun, Feb 22

7:32 pm - 11:56 pm

JAX

EYW

4h 24m

1 stop

6:06 am - 9:26 am

EYW

JAX

3h 20m

1 stop

$373American Airlines

Fri, Feb 6 - Mon, Feb 9

American Airlines flights from Jacksonville to Key West

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

American Airlines

Feb 7

JAX7:50 pmJacksonville

4h 06m

1 stop

EYW11:56 pmKey West

Feb 14

EYW7:36 pmKey West

4h 23m

1 stop

JAX11:59 pmJacksonville

$251

American Airlines

Feb 18

JAX7:33 amJacksonville

5h 42m

1 stop

EYW1:15 pmKey West

Feb 22

EYW7:45 pmKey West

4h 14m

1 stop

JAX11:59 pmJacksonville

$289

American Airlines

Feb 20

JAX9:43 amJacksonville

3h 32m

1 stop

EYW1:15 pmKey West

Feb 22

EYW7:45 pmKey West

4h 14m

1 stop

JAX11:59 pmJacksonville

$327

Allegiant Air flights from Jacksonville to Key West

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

Allegiant Air

Jan 25

JAX9:42 pmJacksonville

19h 09m

1 stop

EYW4:51 pmKey West

Jan 28

EYW4:06 pmKey West

28h 46m

2 stops

JAX8:52 pmJacksonville

$263

Allegiant Air

Feb 19

JAX8:02 pmJacksonville

14h 09m

1 stop

EYW10:11 amKey West

Feb 22

EYW4:09 pmKey West

16h 50m

2 stops

JAX8:59 amJacksonville

$377

Allegiant Air

Feb 19

JAX8:02 pmJacksonville

14h 09m

1 stop

EYW10:11 amKey West

Feb 22

EYW12:39 pmKey West

20h 20m

1 stop

JAX8:59 amJacksonville

$464

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 2/7

7:50 pm-11:56 pm

1 stop4h 06m

Key West

Sat 2/14

7:36 pm-11:59 pm

1 stop4h 23m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 1/25

9:42 pm-4:51 pm

1 stop19h 09m

Key West

Wed 1/28

4:06 pm-8:52 pm

2 stops28h 46m

$263

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 2/18

7:33 am-1:15 pm

1 stop5h 42m

Key West

Sun 2/22

7:45 pm-11:59 pm

1 stop4h 14m

$289

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 2/19

8:02 pm-10:11 am

1 stop14h 09m

Key West

Mon 2/23

9:49 am-6:39 pm

2 stops8h 50m

$303

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 2/20

9:43 am-1:15 pm

1 stop3h 32m

Key West

Sun 2/22

7:45 pm-11:59 pm

1 stop4h 14m

$327

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 2/5

7:32 pm-11:56 pm

1 stop4h 24m

Key West

Sun 2/8

7:45 pm-11:59 pm

1 stop4h 14m

$337

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 1/29

5:51 pm-10:24 am

1 stop16h 33m

Key West

Sun 2/1

10:27 pm-6:23 pm

2 stops19h 56m

$345

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 2/6

6:00 pm-11:56 pm

1 stop5h 56m

Key West

Sun 2/8

7:45 pm-11:59 pm

1 stop4h 14m

$347

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 2/20

9:43 am-1:15 pm

1 stop3h 32m

Key West

Sun 2/22

7:45 pm-11:59 pm

1 stop4h 14m

$363

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 2/6

7:32 pm-11:56 pm

1 stop4h 24m

Key West

Mon 2/9

6:06 am-9:26 am

1 stop3h 20m

$373

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.

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

As of January 2026, prices for Jacksonville to Key West flights are approximately 9% cheaper 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 43m
Direct flights	None

The fastest flight from Jacksonville to Key West takes 3h 43m

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 3h 43m.
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 January 2026, 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 (80% of total bookings). The next most popular airline is Delta (20%).

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 11,114 reviews		Search American Airlines flights
Delta	PriceFrom $326	Free Cancellation	Rating 7.9 8,039 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.