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Cheap flights from Jacksonville to Key West from $145

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Jacksonville to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:45 pm - 6:37 pm
JAX
-
EYW
21h 52m
1 stop
Multiple Airlines Logo
7:53 pm - 6:10 pm
EYW
-
JAX
22h 17m
2 stops
$238Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
1:11 pm - 6:10 pm
EYW
-
JAX
28h 59m
2 stops
$276Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
1:11 pm - 6:10 pm
EYW
-
JAX
28h 59m
2 stops
$277Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
11:04 am - 6:10 pm
EYW
-
JAX
31h 06m
2 stops
$287Multiple Airlines
Sun, Aug 16 - Thu, Aug 27
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
11:04 am - 6:10 pm
EYW
-
JAX
31h 06m
2 stops
$288Multiple Airlines
Sun, Aug 16 - Thu, Aug 27
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
6:21 pm - 6:10 pm
EYW
-
JAX
23h 49m
2 stops
$291Multiple Airlines
Thu, Aug 27 - Sun, Aug 30
Multiple Airlines Logo
9:03 pm - 10:27 am
JAX
-
EYW
13h 24m
1 stop
Multiple Airlines Logo
11:46 am - 5:34 pm
EYW
-
JAX
29h 48m
2 stops
$304Multiple Airlines
Sun, Aug 9 - Wed, Aug 12
Breeze Airways Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Breeze Airways Logo
11:07 am - 1:33 pm
EYW
-
JAX
26h 26m
1 stop
$325Breeze Airways
Thu, Aug 27 - Mon, Aug 31
Breeze Airways Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Breeze Airways Logo
11:07 am - 1:33 pm
EYW
-
JAX
26h 26m
1 stop
$326Breeze Airways
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
7:21 pm - 4:47 pm
JAX
-
EYW
21h 26m
1 stop
Multiple Airlines Logo
10:59 am - 5:51 pm
EYW
-
JAX
30h 52m
2 stops
$334Multiple Airlines
Sun, Oct 4 - Sun, Oct 11

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Allegiant Air flights from Jacksonville to Key West

Our best Allegiant Air deals on Jacksonville to Key West flight tickets
Allegiant Air
Oct 8
JAX5:20 pmJacksonville
15h 04m
1 stop
EYW8:24 amKey West
Oct 11
EYW8:41 pmKey West
21h 40m
2 stops
JAX6:21 pmJacksonville
$365
Allegiant Air
Jul 26
JAX9:40 pmJacksonville
20h 48m
1 stop
EYW6:28 pmKey West
Aug 8
EYW4:35 pmKey West
45h 35m
2 stops
JAX2:10 pmJacksonville
$398

Breeze Airways flights from Jacksonville to Key West

Our best Breeze Airways deals on Jacksonville to Key West flight tickets
Breeze Airways
Aug 27
JAX8:48 pmJacksonville
13h 39m
1 stop
EYW10:27 amKey West
Aug 31
EYW11:07 amKey West
26h 26m
1 stop
JAX1:33 pmJacksonville
$325
Breeze Airways
Aug 27
JAX8:48 pmJacksonville
13h 39m
1 stop
EYW10:27 amKey West
Aug 31
EYW11:07 amKey West
26h 26m
1 stop
JAX1:33 pmJacksonville
$326
Breeze Airways
Aug 4
JAX9:03 pmJacksonville
38h 22m
2 stops
EYW11:25 amKey West
Aug 10
EYW11:07 amKey West
21h 31m
1 stop
JAX8:38 amJacksonville
$349

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 July 19, 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

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/13

8:45 pm-6:37 pm

1 stop21h 52m

Key West

Thu 8/20

7:53 pm-6:10 pm

2 stops22h 17m

$238

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Mon 8/31

1:11 pm-6:10 pm

2 stops28h 59m

$276

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Mon 8/31

1:11 pm-6:10 pm

2 stops28h 59m

$277

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 8/16

8:48 pm-10:27 am

1 stop13h 39m

Key West

Thu 8/27

11:04 am-6:10 pm

2 stops31h 06m

$287

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 8/16

8:48 pm-10:27 am

1 stop13h 39m

Key West

Thu 8/27

11:04 am-6:10 pm

2 stops31h 06m

$288
Quickest round-trip

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Sun 8/30

6:21 pm-6:10 pm

2 stops23h 49m

$291

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 8/9

9:03 pm-10:27 am

1 stop13h 24m

Key West

Wed 8/12

11:46 am-5:34 pm

2 stops29h 48m

$304

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Mon 8/31

11:07 am-1:33 pm

1 stop26h 26m

$325

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Mon 8/31

11:07 am-1:33 pm

1 stop26h 26m

$326

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 10/4

7:21 pm-4:47 pm

1 stop21h 26m

Key West

Sun 10/11

10:59 am-5:51 pm

2 stops30h 52m

$334

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 $366. If you are unable to visit Key West during the month of October, then departing from Jacksonville during the month November is also very affordable. Most momondo users find prices during this month for around $406.

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

As of July 2026, prices for Jacksonville to Key West flights are approximately 57% 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 51m

Direct flights

None
The fastest flight from Jacksonville to Key West takes 3h 51m
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 3h 51m.

  • 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 $288Free CancellationRating
7.1
11,820 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.8
8,477 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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