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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:02 pm - 10:11 am

JAX

EYW

14h 09m1 stop

1:01 pm - 6:58 pm

EYW

JAX

29h 57m2 stops

$232Multiple Airlines

Thu, Feb 12 - Tue, Feb 17

1:16 pm - 7:40 pm

JAX

EYW

6h 24m1 stop

7:10 am - 2:10 pm

EYW

JAX

7h 00m1 stop

$251Delta

Wed, Jan 14 - Wed, Jan 21

6:00 am - 10:57 am

JAX

EYW

4h 57m1 stop

6:06 am - 9:26 am

EYW

JAX

3h 20m1 stop

$253American Airlines

Tue, Jan 13 - Sun, Jan 18

6:00 pm - 11:56 pm

JAX

EYW

5h 56m1 stop

7:45 pm - 11:59 pm

EYW

JAX

4h 14m1 stop

$255American Airlines

Fri, Feb 6 - Sun, Feb 8

3:45 pm - 7:44 pm

JAX

EYW

3h 59m1 stop

6:00 pm - 12:02 am

EYW

JAX

6h 02m1 stop

$317Delta

Sat, May 2 - Wed, May 6

3:33 pm - 6:21 pm

JAX

EYW

2h 48m1 stop

7:34 pm - 11:52 pm

EYW

JAX

4h 18m1 stop

$327American Airlines

Sat, Apr 18 - Sat, Apr 25

3:34 pm - 7:40 pm

JAX

EYW

4h 06m1 stop

7:10 am - 12:08 pm

EYW

JAX

4h 58m1 stop

$329Delta

Sun, Jan 25 - Wed, Jan 28

7:00 am - 12:07 pm

JAX

EYW

5h 07m1 stop

6:06 pm - 11:58 pm

EYW

JAX

5h 52m1 stop

$347Delta

Tue, Dec 30 - Fri, Jan 9

4:26 pm - 7:39 pm

JAX

EYW

3h 13m1 stop

8:09 pm - 11:59 pm

EYW

JAX

3h 50m1 stop

$357American Airlines

Thu, Jan 1 - Sun, Jan 4

6:00 am - 10:58 am

JAX

EYW

4h 58m1 stop

7:54 pm - 11:59 pm

EYW

JAX

4h 05m1 stop

$363American Airlines

Fri, Feb 20 - Sun, Feb 22

Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets

Delta

Jan 14

JAX1:16 pmJacksonville

6h 24m

1 stop

EYW7:40 pmKey West

Jan 21

EYW7:10 amKey West

7h 00m

1 stop

JAX2:10 pmJacksonville

$251

Find similar

Delta

Jan 25

JAX3:34 pmJacksonville

4h 06m

1 stop

EYW7:40 pmKey West

Jan 28

EYW7:10 amKey West

4h 58m

1 stop

JAX12:08 pmJacksonville

$329

Find similar

Delta

Dec 30

JAX7:00 amJacksonville

5h 07m

1 stop

EYW12:07 pmKey West

Jan 9

EYW6:06 pmKey West

5h 52m

1 stop

JAX11:58 pmJacksonville

$347

Find similar

Allegiant Air flights from Jacksonville to Key West

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

Allegiant Air

Dec 21

JAX9:21 pmJacksonville

16h 22m

1 stop

EYW1:43 pmKey West

Dec 29

EYW10:19 amKey West

28h 12m

1 stop

JAX2:31 pmJacksonville

$409

Find similar

Allegiant Air

Dec 23

JAX7:50 pmJacksonville

24h 05m

1 stop

EYW7:55 pmKey West

Dec 26

EYW7:11 pmKey West

25h 32m

1 stop

JAX8:43 pmJacksonville

$439

Find similar

Allegiant Air

Dec 19

JAX8:29 pmJacksonville

14h 40m

1 stop

EYW11:09 amKey West

Dec 22

EYW2:33 pmKey West

22h 37m

1 stop

JAX1:10 pmJacksonville

$452

Find similar

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 2/12

8:02 pm-10:11 am

1 stop14h 09m

Key West

Tue 2/17

1:01 pm-6:58 pm

2 stops29h 57m

$232

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 1/14

1:16 pm-7:40 pm

1 stop6h 24m

Key West

Wed 1/21

7:10 am-2:10 pm

1 stop7h 00m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 1/13

6:00 am-10:57 am

1 stop4h 57m

Key West

Sun 1/18

6:06 am-9:26 am

1 stop3h 20m

$253

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

$255

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 5/2

3:45 pm-7:44 pm

1 stop3h 59m

Key West

Wed 5/6

6:00 pm-12:02 am

1 stop6h 02m

$317

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 4/18

3:33 pm-6:21 pm

1 stop2h 48m

Key West

Sat 4/25

7:34 pm-11:52 pm

1 stop4h 18m

$327

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 1/25

3:34 pm-7:40 pm

1 stop4h 06m

Key West

Wed 1/28

7:10 am-12:08 pm

1 stop4h 58m

$329

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 12/30

7:00 am-12:07 pm

1 stop5h 07m

Key West

Fri 1/9

6:06 pm-11:58 pm

1 stop5h 52m

$347

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 1/1

4:26 pm-7:39 pm

1 stop3h 13m

Key West

Sun 1/4

8:09 pm-11:59 pm

1 stop3h 50m

$357

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 2/20

6:00 am-10:58 am

1 stop4h 58m

Key West

Sun 2/22

7:54 pm-11:59 pm

1 stop4h 05m

$363

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 have Jacksonville to Key West flight prices changed over time?

As of December 2025, prices for Jacksonville to Key West flights are approximately 33% 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 59m
Direct flights	None

The fastest flight from Jacksonville to Key West takes 3h 59m

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 59m.
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 (83% of total bookings). The next most popular airline is Delta (17%).

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 11,054 reviews		Search American Airlines flights
Delta	PriceFrom $326	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta flights

Big Pine Key

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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.