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Cheap flights from Jacksonville to Key West from $126

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 12/10. 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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American Airlines Logo
7:41 pm - 11:07 pmJAX-EYW
3h 26m1 stop
American Airlines Logo
12:00 pm - 5:12 pmEYW-JAX
5h 12m1 stop
$251American Airlines
Find Deal
mer., déc. 3 - mer., déc. 10
Multiple Airlines Logo
9:21 pm - 1:39 pmJAX-EYW
16h 18m1 stop
Multiple Airlines Logo
8:55 am - 5:40 pmEYW-JAX
32h 45m2 stops
$260Multiple Airlines
Find Deal
jeu., déc. 4 - jeu., déc. 11
Multiple Airlines Logo
2:11 pm - 11:15 amJAX-EYW
21h 04m1 stop
Multiple Airlines Logo
10:27 pm - 6:30 pmEYW-JAX
20h 03m2 stops
$269Multiple Airlines
Find Deal
jeu., févr. 5 - dim., févr. 8
Multiple Airlines Logo
9:21 pm - 1:39 pmJAX-EYW
16h 18m1 stop
Multiple Airlines Logo
8:55 am - 8:34 pmEYW-JAX
35h 39m2 stops
$271Multiple Airlines
Find Deal
jeu., déc. 11 - jeu., déc. 18
American Airlines Logo
6:00 pm - 11:56 pmJAX-EYW
5h 56m1 stop
American Airlines Logo
7:45 pm - 11:59 pmEYW-JAX
4h 14m1 stop
$279American Airlines
Find Deal
mer., janv. 14 - mar., janv. 20
American Airlines Logo
6:05 pm - 11:07 pmJAX-EYW
5h 02m1 stop
American Airlines Logo
8:05 pm - 11:59 pmEYW-JAX
3h 54m1 stop
$290American Airlines
Find Deal
sam., déc. 13 - dim., déc. 14
Delta Logo
4:08 pm - 8:06 pmJAX-EYW
3h 58m1 stop
Delta Logo
7:40 am - 1:45 pmEYW-JAX
6h 05m1 stop
$327Delta
Find Deal
ven., déc. 12 - ven., déc. 19
American Airlines Logo
7:41 pm - 11:07 pmJAX-EYW
3h 26m1 stop
American Airlines Logo
12:00 pm - 5:12 pmEYW-JAX
5h 12m1 stop
$337American Airlines
Find Deal
jeu., déc. 4 - jeu., déc. 11
Multiple Airlines Logo
9:07 pm - 2:23 pmJAX-EYW
17h 16m1 stop
Multiple Airlines Logo
10:59 am - 2:11 pmEYW-JAX
27h 12m2 stops
$343Multiple Airlines
Find Deal
dim., nov. 23 - jeu., nov. 27
American Airlines Logo
4:26 pm - 7:39 pmJAX-EYW
3h 13m1 stop
American Airlines Logo
1:46 pm - 7:57 pmEYW-JAX
6h 11m1 stop
$353American Airlines
Find Deal
jeu., janv. 1 - lun., janv. 5

Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
Dec 12
JAX4:08 pmJacksonville
3h 58m
1 stop
EYW8:06 pmKey West
Dec 19
EYW7:40 amKey West
6h 05m
1 stop
JAX1:45 pmJacksonville
$327
Find similar
Delta
Nov 27
JAX2:00 pmJacksonville
5h 53m
1 stop
EYW7:53 pmKey West
Dec 1
EYW7:40 amKey West
7h 11m
1 stop
JAX2:51 pmJacksonville
$357
Find similar
Delta
Dec 22
JAX5:01 pmJacksonville
4h 33m
1 stop
EYW9:34 pmKey West
Dec 25
EYW7:25 amKey West
6h 58m
1 stop
JAX2:23 pmJacksonville
$363
Find similar

United Airlines flights from Jacksonville to Key West

Our best United Airlines deals on Jacksonville to Key West flight tickets
United Airlines
Mar 24
JAX6:50 pmJacksonville
18h 19m
2 stops
EYW1:09 pmKey West
Mar 27
EYW4:53 pmKey West
28h 59m
1 stop
JAX9:52 pmJacksonville
$651
Find similar
United Airlines
Apr 17
JAX5:26 pmJacksonville
22h 24m
1 stop
EYW3:50 pmKey West
Apr 20
EYW4:45 pmKey West
18h 04m
2 stops
JAX10:49 amJacksonville
$705
Find similar
United Airlines
Apr 17
JAX5:26 pmJacksonville
22h 24m
1 stop
EYW3:50 pmKey West
Apr 20
EYW4:45 pmKey West
27h 16m
3 stops
JAX8:01 pmJacksonville
$711
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 novembre 13, 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

mer. 12/3

7:41 pm-11:07 pm

1 stop3h 26m

Key West

mer. 12/10

12:00 pm-5:12 pm

1 stop5h 12m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

jeu. 12/4

9:21 pm-1:39 pm

1 stop16h 18m

Key West

jeu. 12/11

8:55 am-5:40 pm

2 stops32h 45m

$260

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

jeu. 2/5

2:11 pm-11:15 am

1 stop21h 04m

Key West

dim. 2/8

10:27 pm-6:30 pm

2 stops20h 03m

$269

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

jeu. 12/11

9:21 pm-1:39 pm

1 stop16h 18m

Key West

jeu. 12/18

8:55 am-8:34 pm

2 stops35h 39m

$271

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

mer. 1/14

6:00 pm-11:56 pm

1 stop5h 56m

Key West

mar. 1/20

7:45 pm-11:59 pm

1 stop4h 14m

$279

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

sam. 12/13

6:05 pm-11:07 pm

1 stop5h 02m

Key West

dim. 12/14

8:05 pm-11:59 pm

1 stop3h 54m

$290

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

ven. 12/12

4:08 pm-8:06 pm

1 stop3h 58m

Key West

ven. 12/19

7:40 am-1:45 pm

1 stop6h 05m

$327

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

jeu. 12/4

7:41 pm-11:07 pm

1 stop3h 26m

Key West

jeu. 12/11

12:00 pm-5:12 pm

1 stop5h 12m

$337

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

dim. 11/23

9:07 pm-2:23 pm

1 stop17h 16m

Key West

jeu. 11/27

10:59 am-2:11 pm

2 stops27h 12m

$343

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

jeu. 1/1

4:26 pm-7:39 pm

1 stop3h 13m

Key West

lun. 1/5

1:46 pm-7:57 pm

1 stop6h 11m

$353

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 $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 139% 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

Direct flights

None
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 $289Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
8,009 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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1 adult
sam. 12/13
sam. 12/20
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