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Cheap flights from Jacksonville to Key West from $122

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Jacksonville to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:30 pm - 6:27 pm
JAX
-
EYW
21h 57m
1 stop
Allegiant Air Logo
9:01 am - 2:00 pm
EYW
-
JAX
4h 59m
1 stop
$234Allegiant Air
Thu, Jun 4 - Mon, Jun 8
American Airlines Logo
7:44 pm - 10:58 pm
JAX
-
EYW
3h 14m
1 stop
American Airlines Logo
6:45 am - 10:10 am
EYW
-
JAX
3h 25m
1 stop
$271American Airlines
Sat, Apr 18 - Tue, Apr 21
Multiple Airlines Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Multiple Airlines Logo
11:46 am - 7:57 am
EYW
-
JAX
44h 11m
2 stops
$273Multiple Airlines
Sun, May 17 - Wed, May 27
Multiple Airlines Logo
7:16 pm - 10:11 am
JAX
-
EYW
14h 55m
1 stop
Multiple Airlines Logo
4:22 pm - 7:33 pm
EYW
-
JAX
27h 11m
2 stops
$274Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Allegiant Air Logo
8:30 pm - 6:27 pm
JAX
-
EYW
21h 57m
1 stop
Allegiant Air Logo
9:01 am - 8:56 pm
EYW
-
JAX
11h 55m
2 stops
$289Allegiant Air
Thu, Jun 4 - Mon, Jun 8
Multiple Airlines Logo
7:16 pm - 10:11 am
JAX
-
EYW
14h 55m
1 stop
Multiple Airlines Logo
1:01 pm - 7:33 pm
EYW
-
JAX
30h 32m
2 stops
$291Multiple Airlines
Sun, Mar 22 - Tue, Mar 31
Multiple Airlines Logo
7:16 pm - 10:11 am
JAX
-
EYW
14h 55m
1 stop
Multiple Airlines Logo
4:22 pm - 7:33 pm
EYW
-
JAX
27h 11m
2 stops
$299Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Allegiant Air Logo
8:57 pm - 10:11 am
JAX
-
EYW
13h 14m
1 stop
Allegiant Air Logo
2:51 pm - 10:44 am
EYW
-
JAX
43h 53m
2 stops
$301Allegiant Air
Sun, May 17 - Fri, May 22
American Airlines Logo
7:44 pm - 10:58 pm
JAX
-
EYW
3h 14m
1 stop
American Airlines Logo
3:58 pm - 9:15 pm
EYW
-
JAX
5h 17m
1 stop
$305American Airlines
Wed, Apr 22 - Sat, Apr 25
Multiple Airlines Logo
7:16 pm - 10:11 am
JAX
-
EYW
14h 55m
1 stop
Multiple Airlines Logo
1:01 pm - 7:33 pm
EYW
-
JAX
30h 32m
2 stops
$306Multiple Airlines
Sun, Mar 22 - Tue, Mar 31

Allegiant Air flights from Jacksonville to Key West

Our best Allegiant Air deals on Jacksonville to Key West flight tickets
Allegiant Air
Jun 4
JAX8:30 pmJacksonville
21h 57m
1 stop
EYW6:27 pmKey West
Jun 8
EYW9:01 amKey West
4h 59m
1 stop
JAX2:00 pmJacksonville
$234
Allegiant Air
Jun 4
JAX8:30 pmJacksonville
21h 57m
1 stop
EYW6:27 pmKey West
Jun 8
EYW9:01 amKey West
11h 55m
2 stops
JAX8:56 pmJacksonville
$289
Allegiant Air
May 17
JAX8:57 pmJacksonville
13h 14m
1 stop
EYW10:11 amKey West
May 22
EYW2:51 pmKey West
43h 53m
2 stops
JAX10:44 amJacksonville
$301

American Airlines flights from Jacksonville to Key West

Our best American Airlines deals on Jacksonville to Key West flight tickets
American Airlines
Apr 18
JAX7:44 pmJacksonville
3h 14m
1 stop
EYW10:58 pmKey West
Apr 21
EYW6:45 amKey West
3h 25m
1 stop
JAX10:10 amJacksonville
$271
American Airlines
Apr 18
JAX7:44 pmJacksonville
3h 14m
1 stop
EYW10:58 pmKey West
Apr 21
EYW6:45 amKey West
3h 25m
1 stop
JAX10:10 amJacksonville
$291
American Airlines
Apr 22
JAX7:44 pmJacksonville
3h 14m
1 stop
EYW10:58 pmKey West
Apr 25
EYW3:58 pmKey West
5h 17m
1 stop
JAX9:15 pmJacksonville
$305

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 March 11, 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 6/4

8:30 pm-6:27 pm

1 stop21h 57m

Key West

Mon 6/8

9:01 am-2:00 pm

1 stop4h 59m

$234
Quickest round-trip

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sat 4/18

7:44 pm-10:58 pm

1 stop3h 14m

Key West

Tue 4/21

6:45 am-10:10 am

1 stop3h 25m

$271

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 5/17

8:57 pm-10:11 am

1 stop13h 14m

Key West

Wed 5/27

11:46 am-7:57 am

2 stops44h 11m

$273

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/22

7:16 pm-10:11 am

1 stop14h 55m

Key West

Sun 3/29

4:22 pm-7:33 pm

2 stops27h 11m

$274

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Thu 6/4

8:30 pm-6:27 pm

1 stop21h 57m

Key West

Mon 6/8

9:01 am-8:56 pm

2 stops11h 55m

$289

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/22

7:16 pm-10:11 am

1 stop14h 55m

Key West

Tue 3/31

1:01 pm-7:33 pm

2 stops30h 32m

$291

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/22

7:16 pm-10:11 am

1 stop14h 55m

Key West

Sun 3/29

4:22 pm-7:33 pm

2 stops27h 11m

$299

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 5/17

8:57 pm-10:11 am

1 stop13h 14m

Key West

Fri 5/22

2:51 pm-10:44 am

2 stops43h 53m

$301

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Wed 4/22

7:44 pm-10:58 pm

1 stop3h 14m

Key West

Sat 4/25

3:58 pm-9:15 pm

1 stop5h 17m

$305

JacksonvilleKey West

JAX - EYW

JAXEYW

Jacksonville

Sun 3/22

7:16 pm-10:11 am

1 stop14h 55m

Key West

Tue 3/31

1:01 pm-7:33 pm

2 stops30h 32m

$306

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, 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 $346.

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

As of March 2026, prices for Jacksonville to Key West flights are approximately 29% 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

4h 16m

Direct flights

None
The fastest flight from Jacksonville to Key West takes 4h 16m
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 4h 16m.

  • 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 $286Free CancellationRating
7.1
11,419 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
8,278 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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