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Cheap flights from Jacksonville to Key West from $108

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 5/7. 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 Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Allegiant Air Logo
12:34 pm - 10:01 am
EYW
-
JAX
21h 27m
1 stop
$231Allegiant Air
Sun, May 10 - Thu, May 14
Multiple Airlines Logo
8:43 pm - 6:32 pm
JAX
-
EYW
21h 49m
1 stop
Multiple Airlines Logo
2:51 pm - 5:35 pm
EYW
-
JAX
26h 44m
2 stops
$242Multiple Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Multiple Airlines Logo
1:14 pm - 5:35 pm
EYW
-
JAX
28h 21m
2 stops
$243Multiple Airlines
Thu, May 7 - Tue, May 12
Allegiant Air Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Allegiant Air Logo
12:34 pm - 10:01 am
EYW
-
JAX
21h 27m
1 stop
$248Allegiant Air
Sun, May 10 - Sun, May 17
Allegiant Air Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Allegiant Air Logo
12:34 pm - 10:01 am
EYW
-
JAX
21h 27m
1 stop
$251Allegiant Air
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Multiple Airlines Logo
12:07 pm - 8:38 am
EYW
-
JAX
44h 31m
2 stops
$258Multiple Airlines
Sun, May 10 - Fri, May 15
Multiple Airlines Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Multiple Airlines Logo
11:46 am - 6:35 pm
EYW
-
JAX
30h 49m
2 stops
$262Multiple Airlines
Thu, May 7 - Wed, May 13
Allegiant Air Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Allegiant Air Logo
12:34 pm - 10:01 am
EYW
-
JAX
21h 27m
1 stop
$265Allegiant Air
Thu, May 7 - Sun, May 10
Allegiant Air Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Allegiant Air Logo
12:34 pm - 10:01 am
EYW
-
JAX
21h 27m
1 stop
$267Allegiant Air
Thu, May 7 - Sun, May 10
Multiple Airlines Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Multiple Airlines Logo
12:07 pm - 8:38 am
EYW
-
JAX
44h 31m
2 stops
$270Multiple Airlines
Thu, May 7 - Fri, May 15

Allegiant Air flights from Jacksonville to Key West

Our best Allegiant Air deals on Jacksonville to Key West flight tickets
Allegiant Air
May 10
JAX8:57 pmJacksonville
13h 14m
1 stop
EYW10:11 amKey West
May 14
EYW12:34 pmKey West
21h 27m
1 stop
JAX10:01 amJacksonville
$231
Allegiant Air
May 10
JAX8:57 pmJacksonville
13h 14m
1 stop
EYW10:11 amKey West
May 17
EYW12:34 pmKey West
21h 27m
1 stop
JAX10:01 amJacksonville
$248
Allegiant Air
May 7
JAX8:57 pmJacksonville
13h 14m
1 stop
EYW10:11 amKey West
May 14
EYW12:34 pmKey West
21h 27m
1 stop
JAX10:01 amJacksonville
$251

Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
May 9
JAX2:40 pmJacksonville
5h 09m
1 stop
EYW7:49 pmKey West
May 12
EYW6:19 pmKey West
6h 03m
1 stop
JAX12:22 amJacksonville
$291
Delta
May 9
JAX3:48 pmJacksonville
4h 01m
1 stop
EYW7:49 pmKey West
May 14
EYW6:19 pmKey West
4h 36m
1 stop
JAX10:55 pmJacksonville
$329
Delta
May 4
JAX5:30 amJacksonville
5h 16m
1 stop
EYW10:46 amKey West
May 12
EYW6:19 pmKey West
6h 03m
1 stop
JAX12:22 amJacksonville
$339

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 April 18, 2026.
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

Cheapest round-trip
Quickest round-trip

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 5/10

8:57 pm-10:11 am

1 stop13h 14m

Key West

Thu 5/14

12:34 pm-10:01 am

1 stop21h 27m

$231

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/28

8:43 pm-6:32 pm

1 stop21h 49m

Key West

Mon 6/1

2:51 pm-5:35 pm

2 stops26h 44m

$242

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/7

8:57 pm-10:11 am

1 stop13h 14m

Key West

Tue 5/12

1:14 pm-5:35 pm

2 stops28h 21m

$243

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 5/10

8:57 pm-10:11 am

1 stop13h 14m

Key West

Sun 5/17

12:34 pm-10:01 am

1 stop21h 27m

$248

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/7

8:57 pm-10:11 am

1 stop13h 14m

Key West

Thu 5/14

12:34 pm-10:01 am

1 stop21h 27m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 5/10

8:57 pm-10:11 am

1 stop13h 14m

Key West

Fri 5/15

12:07 pm-8:38 am

2 stops44h 31m

$258

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/7

8:57 pm-10:11 am

1 stop13h 14m

Key West

Wed 5/13

11:46 am-6:35 pm

2 stops30h 49m

$262

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/7

8:57 pm-10:11 am

1 stop13h 14m

Key West

Sun 5/10

12:34 pm-10:01 am

1 stop21h 27m

$265

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/7

8:57 pm-10:11 am

1 stop13h 14m

Key West

Sun 5/10

12:34 pm-10:01 am

1 stop21h 27m

$267

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 5/7

8:57 pm-10:11 am

1 stop13h 14m

Key West

Fri 5/15

12:07 pm-8:38 am

2 stops44h 31m

$270

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 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 $401.

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

As of April 2026, prices for Jacksonville to Key West flights are approximately 7% 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

5h 15m

Direct flights

None
The fastest flight from Jacksonville to Key West takes 5h 15m
There are no direct flights from Jacksonville to Key West. There are no popular flight routes from Jacksonville to Key West.
Search flight deals

Frequently asked questions about flying from Jacksonville to Key West

  • 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 5h 15m.

  • 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
7.1
11,604 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
8,424 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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