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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 12/3. 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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Cheap round-trip flights

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American Airlines Logo
7:40 pm - 11:50 pmJAX-EYW
4h 10m1 stop
American Airlines Logo
7:53 pm - 12:14 amEYW-JAX
4h 21m1 stop
$317American Airlines
Find Deal
Fri, Nov 21 - Tue, Nov 25
American Airlines Logo
6:00 pm - 11:50 pmJAX-EYW
5h 50m1 stop
American Airlines Logo
7:53 pm - 12:14 amEYW-JAX
4h 21m1 stop
$327American Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
American Airlines Logo
7:32 pm - 11:56 pmJAX-EYW
4h 24m1 stop
American Airlines Logo
6:31 am - 11:24 amEYW-JAX
4h 53m1 stop
$339American Airlines
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Wed, Feb 11 - Sun, Feb 22
Delta Logo
7:30 am - 1:12 pmJAX-EYW
5h 42m1 stop
Delta Logo
7:00 am - 2:13 pmEYW-JAX
7h 13m1 stop
$404Delta
Find Deal
Mon, Feb 2 - Tue, Feb 3
Multiple Airlines Logo
7:37 pm - 9:11 amJAX-EYW
13h 34m1 stop
Multiple Airlines Logo
7:47 am - 10:04 amEYW-JAX
26h 17m2 stops
$412Multiple Airlines
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Tue, Nov 25 - Sat, Nov 29
Multiple Airlines Logo
9:38 pm - 1:29 pmJAX-EYW
15h 51m2 stops
Multiple Airlines Logo
12:28 pm - 2:29 pmEYW-JAX
26h 01m1 stop
$423Multiple Airlines
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Fri, Nov 21 - Tue, Nov 25
Delta Logo
4:07 pm - 8:06 pmJAX-EYW
3h 59m1 stop
Delta Logo
7:40 am - 1:34 pmEYW-JAX
5h 54m1 stop
$467Delta
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Fri, Oct 24 - Sat, Oct 25
Breeze Airways Logo
5:48 pm - 10:31 amJAX-EYW
16h 43m1 stop
Breeze Airways Logo
10:47 am - 9:58 amEYW-JAX
23h 11m2 stops
$473Breeze Airways
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Sun, Oct 26 - Sat, Nov 1
United Airlines Logo
1:55 pm - 1:52 pmJAX-EYW
23h 57m3 stops
United Airlines Logo
3:00 pm - 8:10 pmEYW-JAX
29h 10m2 stops
$569United Airlines
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Wed, Oct 29 - Mon, Nov 3
United Airlines Logo
4:32 pm - 1:52 pmJAX-EYW
21h 20m3 stops
United Airlines Logo
2:48 pm - 3:01 pmEYW-JAX
24h 13m2 stops
$584United Airlines
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Mon, Oct 27 - Fri, Oct 31

American Airlines flights from Jacksonville to Key West

Our best American Airlines deals on Jacksonville to Key West flight tickets
American Airlines
Nov 21
JAX7:40 pmJacksonville
4h 10m
1 stop
EYW11:50 pmKey West
Nov 25
EYW7:53 pmKey West
4h 21m
1 stop
JAX12:14 amJacksonville
$317
Find similar
American Airlines
Nov 21
JAX6:00 pmJacksonville
5h 50m
1 stop
EYW11:50 pmKey West
Nov 23
EYW7:53 pmKey West
4h 21m
1 stop
JAX12:14 amJacksonville
$327
Find similar
American Airlines
Feb 11
JAX7:32 pmJacksonville
4h 24m
1 stop
EYW11:56 pmKey West
Feb 22
EYW6:31 amKey West
4h 53m
1 stop
JAX11:24 amJacksonville
$339
Find similar

Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
Feb 2
JAX7:30 amJacksonville
5h 42m
1 stop
EYW1:12 pmKey West
Feb 3
EYW7:00 amKey West
7h 13m
1 stop
JAX2:13 pmJacksonville
$404
Find similar
Delta
Oct 24
JAX4:07 pmJacksonville
3h 59m
1 stop
EYW8:06 pmKey West
Oct 25
EYW7:40 amKey West
5h 54m
1 stop
JAX1:34 pmJacksonville
$467
Find similar
Delta
Oct 27
JAX6:00 amJacksonville
7h 02m
1 stop
EYW1:02 pmKey West
Oct 31
EYW4:00 pmKey West
4h 38m
1 stop
JAX8:38 pmJacksonville
$472
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 October 14, 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

Fri 11/21

7:40 pm-11:50 pm

1 stop4h 10m

Key West

Tue 11/25

7:53 pm-12:14 am

1 stop4h 21m

$317

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 11/21

6:00 pm-11:50 pm

1 stop5h 50m

Key West

Sun 11/23

7:53 pm-12:14 am

1 stop4h 21m

$327

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 2/11

7:32 pm-11:56 pm

1 stop4h 24m

Key West

Sun 2/22

6:31 am-11:24 am

1 stop4h 53m

$339

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Mon 2/2

7:30 am-1:12 pm

1 stop5h 42m

Key West

Tue 2/3

7:00 am-2:13 pm

1 stop7h 13m

$404

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 11/25

7:37 pm-9:11 am

1 stop13h 34m

Key West

Sat 11/29

7:47 am-10:04 am

2 stops26h 17m

$412

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 11/21

9:38 pm-1:29 pm

2 stops15h 51m

Key West

Tue 11/25

12:28 pm-2:29 pm

1 stop26h 01m

$423

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 10/24

4:07 pm-8:06 pm

1 stop3h 59m

Key West

Sat 10/25

7:40 am-1:34 pm

1 stop5h 54m

$467

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 10/26

5:48 pm-10:31 am

1 stop16h 43m

Key West

Sat 11/1

10:47 am-9:58 am

2 stops23h 11m

$473

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 10/29

1:55 pm-1:52 pm

3 stops23h 57m

Key West

Mon 11/3

3:00 pm-8:10 pm

2 stops29h 10m

$569

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Mon 10/27

4:32 pm-1:52 pm

3 stops21h 20m

Key West

Fri 10/31

2:48 pm-3:01 pm

2 stops24h 13m

$584

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, September 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 $341. If you are unable to visit Key West during the month of September, then departing from Jacksonville during the month August is also very affordable. Most momondo users find prices during this month for around $460.

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 $498 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 October 2025, prices for Jacksonville to Key West flights are approximately 1% 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.
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  • 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 05m.

  • 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 $290Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
7,975 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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