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Look for other cheap flights to Key West

$1,139 Cheap flights to Key West

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Key West departing on 30/9. 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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Find the cheapest flights from Australia to Key West

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
21:25 - 13:45
SYD
-
EYW
30h 20m
2 stops
American Airlines Logo
11:30 - 07:05
EYW
-
SYD
29h 35m
2 stops
$3,024American Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
17:50 - 13:05
SYD
-
EYW
33h 15m
2 stops
American Airlines Logo
13:40 - 07:05
EYW
-
SYD
27h 25m
2 stops
$3,049American Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
17:50 - 11:13
SYD
-
EYW
31h 23m
2 stops
American Airlines Logo
13:50 - 07:05
EYW
-
SYD
27h 15m
2 stops
$3,052American Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
09:10 - 19:39
SYD
-
EYW
24h 29m
2 stops
American Airlines Logo
11:30 - 07:05
EYW
-
SYD
29h 35m
2 stops
$3,056American Airlines
Fri, 7 Aug - Tue, 11 Aug
United Airlines Logo
10:55 - 13:30
MEL
-
EYW
40h 35m
2 stops
United Airlines Logo
14:20 - 07:30
EYW
-
MEL
51h 10m
2 stops
$3,075United Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
21:25 - 19:39
SYD
-
EYW
36h 14m
2 stops
American Airlines Logo
11:30 - 08:20
EYW
-
SYD
30h 50m
3 stops
$3,101American Airlines
Fri, 7 Aug - Tue, 11 Aug
United Airlines Logo
10:55 - 13:30
MEL
-
EYW
40h 35m
2 stops
United Airlines Logo
14:20 - 07:30
EYW
-
MEL
51h 10m
2 stops
$3,103United Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
09:10 - 19:39
SYD
-
EYW
24h 29m
2 stops
American Airlines Logo
11:30 - 08:20
EYW
-
SYD
30h 50m
3 stops
$3,105American Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
09:45 - 09:44
MEL
-
EYW
37h 59m
2 stops
American Airlines Logo
19:03 - 06:45
EYW
-
MEL
45h 42m
2 stops
$3,129American Airlines
Fri, 7 Aug - Tue, 11 Aug
American Airlines Logo
09:45 - 11:13
MEL
-
EYW
39h 28m
2 stops
American Airlines Logo
19:03 - 06:45
EYW
-
MEL
45h 42m
2 stops
$3,132American Airlines
Fri, 7 Aug - Tue, 11 Aug

momondo Fare Finder

 
Locate flights to Key West that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 10 May 2026.
Use the filters below to find and compare flights to Key West that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 7/8

21:25-13:45

2 stops30h 20m

Key West

Tue 11/8

11:30-07:05

2 stops29h 35m

$3,024

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 7/8

17:50-13:05

2 stops33h 15m

Key West

Tue 11/8

13:40-07:05

2 stops27h 25m

$3,049

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 7/8

17:50-11:13

2 stops31h 23m

Key West

Tue 11/8

13:50-07:05

2 stops27h 15m

$3,052
Fastest return journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 7/8

09:10-19:39

2 stops24h 29m

Key West

Tue 11/8

11:30-07:05

2 stops29h 35m

$3,056

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 7/8

10:55-13:30

2 stops40h 35m

Key West

Tue 11/8

14:20-07:30

2 stops51h 10m

$3,075

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 7/8

21:25-19:39

2 stops36h 14m

Key West

Tue 11/8

11:30-08:20

3 stops30h 50m

$3,101

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 7/8

10:55-13:30

2 stops40h 35m

Key West

Tue 11/8

14:20-07:30

2 stops51h 10m

$3,103

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 7/8

09:10-19:39

2 stops24h 29m

Key West

Tue 11/8

11:30-08:20

3 stops30h 50m

$3,105

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 7/8

09:45-09:44

2 stops37h 59m

Key West

Tue 11/8

19:03-06:45

2 stops45h 42m

$3,129

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 7/8

09:45-11:13

2 stops39h 28m

Key West

Tue 11/8

19:03-06:45

2 stops45h 42m

$3,132

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Key West from

Key West flights insights and trends

Explore insights for your Key West flight to craft the best travel plan

How long does it take to fly to Key West?

Flight times vary depending on what airport in Australia you fly out of and what airport in Key West you fly into. For example, flying from Sydney Kingsford Smith to Key West takes 41h 10m on average. On the other hand, flying from Melbourne to Key West takes 40h 35m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Cheap Key West flight deals and tips

Summary info about Key West flight prices, duration and airlines

Best One-Way Price

$1,139

Best Round-Trip Price

$3,024

Fastest flight time

24h 30m
The best one-way flight price to Key West from Australia in the last 72 hours is $1,139 (Sydney Kingsford Smith to Key West).
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The best round-trip flight price to Key West from Australia in the last 72 hours is $3,024 (Sydney Kingsford Smith to Key West).
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The fastest flight to Key West from Australia takes 24h 30m (Sydney Kingsford Smith to Key West).
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Frequently asked questions about flying to Key West

When did momondo last update prices for flights to Key West Airport?

Prices for flights to Key West Airport are refreshed on a daily basis.

How old do you have to be to fly to Key West Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Key West?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Key West. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West with this policy.

How can momondo help me find flights to Key West?

Once all potential Key West flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Key West trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Key West

Popular Flights to Key West

Popular routes according to searches in the past day on momondo
Melbourne to Key West Flightsfrom $2,807
Sydney Kingsford Smith to Key West Flightsfrom $2,256