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Cheap flights from Jacksonville to Key West from $157

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 10/5. 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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Find the cheapest flights from Jacksonville to Key West

Cheap round-trip flights

American Airlines Logo
3:25 pm - 7:22 pmJAX-EYW
3h 57m1 stop
American Airlines Logo
1:33 pm - 5:11 pmEYW-JAX
3h 38m1 stop
$251American Airlines
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Sat, Nov 1 - Tue, Nov 4
American Airlines Logo
3:25 pm - 7:22 pmJAX-EYW
3h 57m1 stop
American Airlines Logo
7:52 pm - 11:59 pmEYW-JAX
4h 07m1 stop
$285American Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
Delta Logo
2:39 pm - 8:06 pmJAX-EYW
5h 27m1 stop
Delta Logo
1:57 pm - 7:06 pmEYW-JAX
5h 09m1 stop
$287Delta
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Fri, Oct 31 - Mon, Nov 3
American Airlines Logo
3:25 pm - 7:22 pmJAX-EYW
3h 57m1 stop
American Airlines Logo
11:22 am - 2:50 pmEYW-JAX
3h 28m1 stop
$289American Airlines
Find Deal
Fri, Oct 17 - Wed, Oct 22
Delta Logo
5:20 am - 10:55 amJAX-EYW
5h 35m1 stop
Delta Logo
6:10 pm - 10:37 pmEYW-JAX
4h 27m1 stop
$387Delta
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Fri, Sep 26 - Tue, Sep 30
United Airlines Logo
11:50 am - 4:08 pmJAX-EYW
28h 18m1 stop
United Airlines Logo
12:15 pm - 9:08 pmEYW-JAX
32h 53m2 stops
$543United Airlines
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Thu, Feb 19 - Sun, Feb 22
JetBlue Logo
6:54 pm - 11:22 amJAX-EYW
16h 28m2 stops
JetBlue Logo
12:07 pm - 11:32 pmEYW-JAX
11h 25m2 stops
$569JetBlue
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Mon, Mar 2 - Thu, Mar 5
United Airlines Logo
11:22 am - 2:29 pmJAX-EYW
27h 07m2 stops
United Airlines Logo
3:12 pm - 10:54 amEYW-JAX
19h 42m2 stops
$609United Airlines
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Tue, Oct 7 - Fri, Oct 10
Breeze Airways Logo
5:51 pm - 10:24 amJAX-EYW
16h 33m1 stop
Breeze Airways Logo
11:04 am - 8:54 amEYW-JAX
21h 50m2 stops
$610Breeze Airways
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Sun, Mar 8 - Fri, Mar 13
Breeze Airways Logo
8:37 pm - 8:15 amJAX-EYW
35h 38m3 stops
Breeze Airways Logo
11:45 am - 8:58 amEYW-JAX
21h 13m2 stops
$660Breeze Airways
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Sat, Oct 11 - Tue, Oct 14

American Airlines flights from Jacksonville to Key West

Our best American Airlines deals on Jacksonville to Key West flight tickets
American Airlines
Nov 1
JAX3:25 pmJacksonville
3h 57m
1 stop
EYW7:22 pmKey West
Nov 4
EYW1:33 pmKey West
3h 38m
1 stop
JAX5:11 pmJacksonville
$251
Find similar
American Airlines
Oct 11
JAX3:25 pmJacksonville
3h 57m
1 stop
EYW7:22 pmKey West
Oct 14
EYW7:52 pmKey West
4h 07m
1 stop
JAX11:59 pmJacksonville
$285
Find similar
American Airlines
Oct 17
JAX3:25 pmJacksonville
3h 57m
1 stop
EYW7:22 pmKey West
Oct 22
EYW11:22 amKey West
3h 28m
1 stop
JAX2:50 pmJacksonville
$289
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Delta flights from Jacksonville to Key West

Our best Delta deals on Jacksonville to Key West flight tickets
Delta
Oct 31
JAX2:39 pmJacksonville
5h 27m
1 stop
EYW8:06 pmKey West
Nov 3
EYW1:57 pmKey West
5h 09m
1 stop
JAX7:06 pmJacksonville
$287
Find similar
Delta
Sep 26
JAX5:20 amJacksonville
5h 35m
1 stop
EYW10:55 amKey West
Sep 30
EYW6:10 pmKey West
4h 27m
1 stop
JAX10:37 pmJacksonville
$387
Find similar
Delta
Jan 1
JAX6:00 amJacksonville
4h 51m
1 stop
EYW10:51 amKey West
Jan 5
EYW7:00 amKey West
7h 13m
1 stop
JAX2:13 pmJacksonville
$393
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 September 11, 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

Sat 11/1

3:25 pm-7:22 pm

1 stop3h 57m

Key West

Tue 11/4

1:33 pm-5:11 pm

1 stop3h 38m

$251

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 10/11

3:25 pm-7:22 pm

1 stop3h 57m

Key West

Tue 10/14

7:52 pm-11:59 pm

1 stop4h 07m

$285

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 10/31

2:39 pm-8:06 pm

1 stop5h 27m

Key West

Mon 11/3

1:57 pm-7:06 pm

1 stop5h 09m

$287

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 10/17

3:25 pm-7:22 pm

1 stop3h 57m

Key West

Wed 10/22

11:22 am-2:50 pm

1 stop3h 28m

$289

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Fri 9/26

5:20 am-10:55 am

1 stop5h 35m

Key West

Tue 9/30

6:10 pm-10:37 pm

1 stop4h 27m

$387

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 2/19

11:50 am-4:08 pm

1 stop28h 18m

Key West

Sun 2/22

12:15 pm-9:08 pm

2 stops32h 53m

$543

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Mon 3/2

6:54 pm-11:22 am

2 stops16h 28m

Key West

Thu 3/5

12:07 pm-11:32 pm

2 stops11h 25m

$569

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Tue 10/7

11:22 am-2:29 pm

2 stops27h 07m

Key West

Fri 10/10

3:12 pm-10:54 am

2 stops19h 42m

$609

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/8

5:51 pm-10:24 am

1 stop16h 33m

Key West

Fri 3/13

11:04 am-8:54 am

2 stops21h 50m

$610

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 10/11

8:37 pm-8:15 am

3 stops35h 38m

Key West

Tue 10/14

11:45 am-8:58 am

2 stops21h 13m

$660

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 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 $388. If you are unable to visit Key West during the month of September, then departing from Jacksonville during the month June is also very affordable. Most momondo users find prices during this month for around $451.

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 September 2025, prices for Jacksonville to Key West flights are approximately 4% cheaper 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 00m.

  • 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 $296Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $336Free CancellationRating
7.9
7,960 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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