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Cheap flights from Jacksonville to Key West from $131

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 Key West departing on 12/12. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
9:21 pm - 1:43 pmJAX-EYW
16h 22m1 stop
Allegiant Air Logo
2:33 pm - 1:10 pmEYW-JAX
22h 37m1 stop
$223Allegiant Air
Find Deal
Thu, Dec 18 - Mon, Dec 22
Multiple Airlines Logo
8:01 pm - 7:55 pmJAX-EYW
23h 54m1 stop
Multiple Airlines Logo
12:15 pm - 4:57 pmEYW-JAX
28h 42m2 stops
$248Multiple Airlines
Find Deal
Tue, Dec 30 - Sun, Jan 11
Delta Logo
5:30 am - 11:29 amJAX-EYW
5h 59m1 stop
Delta Logo
6:06 pm - 11:58 pmEYW-JAX
5h 52m1 stop
$251Delta
Find Deal
Sat, Jan 10 - Tue, Jan 13
Multiple Airlines Logo
9:21 pm - 1:43 pmJAX-EYW
16h 22m1 stop
Multiple Airlines Logo
12:20 pm - 4:34 pmEYW-JAX
28h 14m2 stops
$254Multiple Airlines
Find Deal
Thu, Dec 18 - Tue, Dec 23
Multiple Airlines Logo
8:01 pm - 7:55 pmJAX-EYW
23h 54m1 stop
Multiple Airlines Logo
2:30 pm - 5:08 pmEYW-JAX
26h 38m2 stops
$258Multiple Airlines
Find Deal
Tue, Dec 30 - Wed, Jan 7
Multiple Airlines Logo
8:01 pm - 7:55 pmJAX-EYW
23h 54m1 stop
Multiple Airlines Logo
1:06 pm - 11:15 amEYW-JAX
46h 09m2 stops
$267Multiple Airlines
Find Deal
Tue, Dec 30 - Fri, Jan 9
Allegiant Air Logo
9:21 pm - 1:43 pmJAX-EYW
16h 22m1 stop
Allegiant Air Logo
3:24 pm - 8:02 amEYW-JAX
16h 38m2 stops
$279Allegiant Air
Find Deal
Thu, Dec 18 - Sun, Dec 21
Multiple Airlines Logo
9:21 pm - 1:30 pmJAX-EYW
16h 09m2 stops
Multiple Airlines Logo
2:33 pm - 1:10 pmEYW-JAX
22h 37m1 stop
$286Multiple Airlines
Find Deal
Thu, Dec 18 - Mon, Dec 22
Delta Logo
1:16 pm - 7:40 pmJAX-EYW
6h 24m1 stop
Delta Logo
6:06 pm - 11:58 pmEYW-JAX
5h 52m1 stop
$289Delta
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Thu, Jan 29 - Tue, Feb 3
Multiple Airlines Logo
5:23 pm - 7:07 amJAX-EYW
13h 44m2 stops
Multiple Airlines Logo
2:33 pm - 1:10 pmEYW-JAX
22h 37m1 stop
$301Multiple Airlines
Find Deal
Fri, Dec 19 - Mon, Dec 22

Allegiant Air flights from Jacksonville to Key West

Our best Allegiant Air deals on Jacksonville to Key West flight tickets
Allegiant Air
Dec 18
JAX9:21 pmJacksonville
16h 22m
1 stop
EYW1:43 pmKey West
Dec 22
EYW2:33 pmKey West
22h 37m
1 stop
JAX1:10 pmJacksonville
$223
Find similar
Allegiant Air
Dec 18
JAX9:21 pmJacksonville
16h 22m
1 stop
EYW1:43 pmKey West
Dec 21
EYW3:24 pmKey West
16h 38m
2 stops
JAX8:02 amJacksonville
$279
Find similar
Allegiant Air
Dec 30
JAX8:01 pmJacksonville
23h 54m
1 stop
EYW7:55 pmKey West
Jan 9
EYW10:41 amKey West
6h 23m
1 stop
JAX5:04 pmJacksonville
$396
Find similar

Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
Dec 9
JAX5:05 amJacksonville
6h 38m
1 stop
EYW11:43 amKey West
Dec 10
EYW7:40 amKey West
4h 29m
1 stop
JAX12:09 pmJacksonville
$251
Find similar
Delta
Jan 29
JAX1:16 pmJacksonville
6h 24m
1 stop
EYW7:40 pmKey West
Feb 3
EYW6:06 pmKey West
5h 52m
1 stop
JAX11:58 pmJacksonville
$289
Find similar
Delta
Dec 31
JAX5:01 pmJacksonville
3h 57m
1 stop
EYW8:58 pmKey West
Jan 6
EYW7:10 amKey West
7h 10m
1 stop
JAX2:20 pmJacksonville
$307
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Jacksonville to Key West 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 November 25, 2025.
Use the filters below to find and compare flights from Jacksonville to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 12/18

9:21 pm-1:43 pm

1 stop16h 22m

Key West

Mon 12/22

2:33 pm-1:10 pm

1 stop22h 37m

$223

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 12/30

8:01 pm-7:55 pm

1 stop23h 54m

Key West

Sun 1/11

12:15 pm-4:57 pm

2 stops28h 42m

$248

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 1/10

5:30 am-11:29 am

1 stop5h 59m

Key West

Tue 1/13

6:06 pm-11:58 pm

1 stop5h 52m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 12/18

9:21 pm-1:43 pm

1 stop16h 22m

Key West

Tue 12/23

12:20 pm-4:34 pm

2 stops28h 14m

$254

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 12/30

8:01 pm-7:55 pm

1 stop23h 54m

Key West

Wed 1/7

2:30 pm-5:08 pm

2 stops26h 38m

$258

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 12/30

8:01 pm-7:55 pm

1 stop23h 54m

Key West

Fri 1/9

1:06 pm-11:15 am

2 stops46h 09m

$267

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 12/18

9:21 pm-1:43 pm

1 stop16h 22m

Key West

Sun 12/21

3:24 pm-8:02 am

2 stops16h 38m

$279

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 12/18

9:21 pm-1:30 pm

2 stops16h 09m

Key West

Mon 12/22

2:33 pm-1:10 pm

1 stop22h 37m

$286

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 1/29

1:16 pm-7:40 pm

1 stop6h 24m

Key West

Tue 2/3

6:06 pm-11:58 pm

1 stop5h 52m

$289

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 12/19

5:23 pm-7:07 am

2 stops13h 44m

Key West

Mon 12/22

2:33 pm-1:10 pm

1 stop22h 37m

$301

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Key West from

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

What is the typical price of a round-trip flight between Jacksonville and Key West?

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 November 2025, prices for Jacksonville to Key West flights are approximately 143% 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?

  • 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?

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 AirlinesPriceFrom $286Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
7,998 reviews
Search Delta flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

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.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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