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Cheap flights from Jacksonville to Key West from $143

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
8:48 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
$266Multiple Airlines
Thu, Aug 27 - Sun, Aug 30
Multiple Airlines Logo
7:05 pm - 7:13 pm
JAX
-
EYW
24h 08m
2 stops
Multiple Airlines Logo
11:07 am - 1:33 pm
EYW
-
JAX
26h 26m
1 stop
$272Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
6:46 pm - 9:02 am
JAX
-
EYW
14h 16m
2 stops
Multiple Airlines Logo
1:28 pm - 6:28 pm
EYW
-
JAX
29h 00m
1 stop
$286Multiple Airlines
Fri, Oct 16 - Thu, Oct 22
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
12:05 pm - 6:10 pm
EYW
-
JAX
30h 05m
2 stops
$298Multiple Airlines
Thu, Aug 27 - Sun, Aug 30
Multiple Airlines Logo
8:48 pm - 10:27 am
JAX
-
EYW
13h 39m
1 stop
Multiple Airlines Logo
3:52 pm - 2:17 pm
EYW
-
JAX
22h 25m
2 stops
$304Multiple Airlines
Sun, Aug 23 - Sat, Aug 29
Multiple Airlines Logo
7:05 pm - 9:24 am
JAX
-
EYW
38h 19m
2 stops
Multiple Airlines Logo
11:59 am - 11:38 am
EYW
-
JAX
23h 39m
1 stop
$308Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
8:47 am - 6:28 pm
JAX
-
EYW
9h 41m
1 stop
Multiple Airlines Logo
7:53 pm - 5:34 pm
EYW
-
JAX
21h 41m
2 stops
$340Multiple Airlines
Mon, Aug 3 - Thu, Aug 6
American Airlines Logo
7:47 am - 1:03 pm
JAX
-
EYW
5h 16m
1 stop
American Airlines Logo
1:43 pm - 6:24 pm
EYW
-
JAX
4h 41m
1 stop
$347American Airlines
Wed, Oct 14 - Wed, Oct 21
Delta Logo
1:02 pm - 8:00 pm
JAX
-
EYW
6h 58m
1 stop
Delta Logo
2:00 pm - 7:23 pm
EYW
-
JAX
5h 23m
1 stop
$357Delta
Sat, Sep 12 - Wed, Sep 16
Delta Logo
12:59 pm - 7:57 pm
JAX
-
EYW
6h 58m
1 stop
Delta Logo
6:15 pm - 11:55 pm
EYW
-
JAX
5h 40m
1 stop
$367Delta
Fri, Aug 28 - Mon, Aug 31

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Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
Sep 12
JAX1:02 pmJacksonville
6h 58m
1 stop
EYW8:00 pmKey West
Sep 16
EYW2:00 pmKey West
5h 23m
1 stop
JAX7:23 pmJacksonville
$357
Delta
Aug 28
JAX12:59 pmJacksonville
6h 58m
1 stop
EYW7:57 pmKey West
Aug 31
EYW6:15 pmKey West
5h 40m
1 stop
JAX11:55 pmJacksonville
$367
Delta
Aug 28
JAX12:59 pmJacksonville
6h 58m
1 stop
EYW7:57 pmKey West
Aug 31
EYW6:15 pmKey West
5h 40m
1 stop
JAX11:55 pmJacksonville
$387

American Airlines flights from Jacksonville to Key West

Our best American Airlines deals on Jacksonville to Key West flight tickets
American Airlines
Oct 14
JAX7:47 amJacksonville
5h 16m
1 stop
EYW1:03 pmKey West
Oct 21
EYW1:43 pmKey West
4h 41m
1 stop
JAX6:24 pmJacksonville
$347
American Airlines
Aug 21
JAX6:00 amJacksonville
3h 44m
1 stop
EYW9:44 amKey West
Aug 28
EYW4:50 pmKey West
6h 16m
1 stop
JAX11:06 pmJacksonville
$377
American Airlines
Aug 8
JAX6:00 amJacksonville
3h 44m
1 stop
EYW9:44 amKey West
Aug 12
EYW8:09 pmKey West
3h 30m
1 stop
JAX11:39 pmJacksonville
$412

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 25, 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 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Sun 8/30

6:21 pm-6:10 pm

2 stops23h 49m

$266

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 8/19

7:05 pm-7:13 pm

2 stops24h 08m

Key West

Mon 8/24

11:07 am-1:33 pm

1 stop26h 26m

$272

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 10/16

6:46 pm-9:02 am

2 stops14h 16m

Key West

Thu 10/22

1:28 pm-6:28 pm

1 stop29h 00m

$286

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Sun 8/30

12:05 pm-6:10 pm

2 stops30h 05m

$298

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 8/23

8:48 pm-10:27 am

1 stop13h 39m

Key West

Sat 8/29

3:52 pm-2:17 pm

2 stops22h 25m

$304

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Mon 9/7

7:05 pm-9:24 am

2 stops38h 19m

Key West

Mon 9/14

11:59 am-11:38 am

1 stop23h 39m

$308

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Mon 8/3

8:47 am-6:28 pm

1 stop9h 41m

Key West

Thu 8/6

7:53 pm-5:34 pm

2 stops21h 41m

$340
Quickest round-trip

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 10/14

7:47 am-1:03 pm

1 stop5h 16m

Key West

Wed 10/21

1:43 pm-6:24 pm

1 stop4h 41m

$347

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 9/12

1:02 pm-8:00 pm

1 stop6h 58m

Key West

Wed 9/16

2:00 pm-7:23 pm

1 stop5h 23m

$357

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 8/28

12:59 pm-7:57 pm

1 stop6h 58m

Key West

Mon 8/31

6:15 pm-11:55 pm

1 stop5h 40m

$367

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?

Prices are currently low for flights on this route.

Typical prices usually range from $433 to $587.
The lowest price recently found on this route was $266.

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 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

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 44m.

  • 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
11,847 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.8
8,486 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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