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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 9/12. 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
7:21 pm - 4:47 pmJAX  Jacksonville-EYW Key West
21h 26m1 stop Pittsburgh
Multiple Airlines Logo
10:20 pm - 6:46 pmEYW  Key West-JAX Jacksonville
20h 26m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson
$270Multiple Airlines
Sun, Oct 4 - Fri, Oct 9
Multiple Airlines Logo
8:48 pm - 10:27 amJAX  Jacksonville-EYW Key West
13h 39m1 stop Raleigh-Durham
Multiple Airlines Logo
12:07 pm - 6:10 pmEYW  Key West-JAX Jacksonville
30h 03m2 stops Orlando Atlanta Hartsfield-Jackson
$288Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
8:48 pm - 10:27 amJAX  Jacksonville-EYW Key West
13h 39m1 stop Raleigh-Durham
Multiple Airlines Logo
12:05 pm - 6:10 pmEYW  Key West-JAX Jacksonville
30h 05m2 stops Orlando Atlanta Hartsfield-Jackson
$288Multiple Airlines
Sun, Aug 30 - Thu, Sep 3
Multiple Airlines Logo
7:46 pm - 9:24 amJAX  Jacksonville-EYW Key West
37h 38m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
11:59 am - 4:26 pmEYW  Key West-JAX Jacksonville
28h 27m1 stop Raleigh-Durham
$294Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
American Airlines Logo
6:50 am - 1:11 pmJAX  Jacksonville-EYW Key West
6h 21m1 stop Charlotte Douglas
American Airlines Logo
6:27 pm - 11:30 pmEYW  Key West-JAX Jacksonville
5h 03m1 stop Charlotte Douglas
$355American Airlines
Tue, Sep 15 - Tue, Sep 22
Delta Logo
2:29 pm - 8:00 pmJAX  Jacksonville-EYW Key West
5h 31m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 pm - 11:56 pmEYW  Key West-JAX Jacksonville
5h 46m1 stop Atlanta Hartsfield-Jackson
$357Delta
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
11:32 am - 4:58 pmJAX  Jacksonville-EYW Key West
5h 26m1 stop Miami
American Airlines Logo
8:03 pm - 11:59 pmEYW  Key West-JAX Jacksonville
3h 56m1 stop Miami
$367American Airlines
Fri, Oct 9 - Tue, Oct 13
Delta Logo
2:32 pm - 8:00 pmJAX  Jacksonville-EYW Key West
5h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 1:23 pmEYW  Key West-JAX Jacksonville
5h 43m1 stop Atlanta Hartsfield-Jackson
$367Delta
Sat, Sep 12 - Wed, Sep 16
American Airlines Logo
1:55 pm - 7:33 pmJAX  Jacksonville-EYW Key West
5h 38m1 stop Miami
American Airlines Logo
8:03 pm - 11:59 pmEYW  Key West-JAX Jacksonville
3h 56m1 stop Miami
$367American Airlines
Tue, Oct 13 - Sat, Oct 17
Delta Logo
2:32 pm - 8:00 pmJAX  Jacksonville-EYW Key West
5h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:42 am - 4:29 pmEYW  Key West-JAX Jacksonville
4h 47m1 stop Atlanta Hartsfield-Jackson
$373Delta
Sat, Sep 12 - Wed, Sep 16

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Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
Sep 29
JAX2:29 pmJacksonville
5h 31m
1 stop
EYW8:00 pmKey West
Oct 6
EYW6:10 pmKey West
5h 46m
1 stop
JAX11:56 pmJacksonville
$357
Delta
Sep 12
JAX2:32 pmJacksonville
5h 28m
1 stop
EYW8:00 pmKey West
Sep 16
EYW7:40 amKey West
5h 43m
1 stop
JAX1:23 pmJacksonville
$373
Delta
Sep 1
JAX6:00 amJacksonville
7h 00m
1 stop
EYW1:00 pmKey West
Sep 30
EYW7:40 amKey West
5h 43m
1 stop
JAX1:23 pmJacksonville
$402

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
$298
Breeze Airways
Sep 18
JAX3:41 pmJacksonville
17h 43m
2 stops
EYW9:24 amKey West
Sep 21
EYW11:59 amKey West
28h 27m
1 stop
JAX4:26 pmJacksonville
$352
Breeze Airways
Sep 11
JAX3:41 pmJacksonville
17h 43m
2 stops
EYW9:24 amKey West
Sep 14
EYW11:59 amKey West
28h 27m
1 stop
JAX4:26 pmJacksonville
$362

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 August 17, 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 Jacksonville - EYW Key West

JAXEYW

Jacksonville

Sun 10/4

7:21 pm-4:47 pm

1 stop21h 26m

Key West

Fri 10/9

10:20 pm-6:46 pm

2 stops20h 26m

$270

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Thu 8/27

8:48 pm-10:27 am

1 stop13h 39m

Key West

Mon 8/31

12:07 pm-6:10 pm

2 stops30h 03m

$288

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Sun 8/30

8:48 pm-10:27 am

1 stop13h 39m

Key West

Thu 9/3

12:05 pm-6:10 pm

2 stops30h 05m

$288

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Mon 9/14

7:46 pm-9:24 am

2 stops37h 38m

Key West

Mon 9/21

11:59 am-4:26 pm

1 stop28h 27m

$294

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Tue 9/15

6:50 am-1:11 pm

1 stop6h 21m

Key West

Tue 9/22

6:27 pm-11:30 pm

1 stop5h 03m

$355

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Tue 9/29

2:29 pm-8:00 pm

1 stop5h 31m

Key West

Tue 10/6

6:10 pm-11:56 pm

1 stop5h 46m

$357
Quickest round-trip

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Fri 10/9

11:32 am-4:58 pm

1 stop5h 26m

Key West

Tue 10/13

8:03 pm-11:59 pm

1 stop3h 56m

$367

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Sat 9/12

2:32 pm-8:00 pm

1 stop5h 28m

Key West

Wed 9/16

7:40 am-1:23 pm

1 stop5h 43m

$367

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Tue 10/13

1:55 pm-7:33 pm

1 stop5h 38m

Key West

Sat 10/17

8:03 pm-11:59 pm

1 stop3h 56m

$367

JacksonvilleKey West

JAX Jacksonville - EYW Key West

JAXEYW

Jacksonville

Sat 9/12

2:32 pm-8:00 pm

1 stop5h 28m

Key West

Wed 9/16

11:42 am-4:29 pm

1 stop4h 47m

$373

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 $440 to $534.
The lowest price recently found on this route was $270.

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 $416.

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

As of August 2026, prices for Jacksonville to Key West flights are approximately 79% 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

Best Price Found

$126

Fastest flight time

3h 32m

Direct flights

None
The best one-way flight to Key West from Jacksonville in the past 72 hours is $126. The best round-trip flight deal from Jacksonville to Key West found on momondo in the last 72 hours is $270.
The fastest flight from Jacksonville to Key West takes 3h 32m
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 32m.

  • 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
11,944 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.8
8,503 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

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