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Look for other cheap flights to Key West

$1,148 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.
Delta Logo
09:15 - 10:53
SYD
-
EYW
39h 38m
2 stops
Delta Logo
07:30 - 06:50
EYW
-
SYD
33h 20m
2 stops
$1,696Delta
Wed, 27 May - Wed, 3 Jun
United Airlines Logo
10:55 - 13:30
MEL
-
EYW
40h 35m
2 stops
United Airlines Logo
14:26 - 07:30
EYW
-
MEL
27h 04m
2 stops
$1,863United Airlines
Fri, 12 Jun - Fri, 19 Jun
Qantas Airways Logo
09:10 - 19:10
SYD
-
EYW
24h 00m
2 stops
Qantas Airways Logo
14:21 - 06:55
EYW
-
SYD
26h 34m
1 stop
$2,793Qantas Airways
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
18:30 - 10:56
SYD
-
EYW
54h 26m
3 stops
Multiple Airlines Logo
11:28 - 17:30
EYW
-
SYD
40h 02m
2 stops
$2,983Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
17:30 - 10:56
SYD
-
EYW
55h 26m
3 stops
Multiple Airlines Logo
13:39 - 20:40
EYW
-
SYD
41h 01m
3 stops
$3,029Multiple Airlines
Wed, 27 May - Wed, 3 Jun
American Airlines Logo
12:00 - 16:52
SYD
-
EYW
42h 52m
1 stop
American Airlines Logo
14:21 - 06:55
EYW
-
SYD
26h 34m
1 stop
$3,030American Airlines
Wed, 27 May - Wed, 3 Jun
United Airlines Logo
10:55 - 15:07
MEL
-
EYW
42h 12m
2 stops
United Airlines Logo
16:47 - 07:30
EYW
-
MEL
24h 43m
2 stops
$3,097United Airlines
Sat, 9 May - Wed, 13 May
United Airlines Logo
10:55 - 15:07
MEL
-
EYW
42h 12m
2 stops
United Airlines Logo
16:47 - 07:30
EYW
-
MEL
24h 43m
2 stops
$3,108United Airlines
Sat, 9 May - Wed, 13 May
United Airlines Logo
10:55 - 13:45
MEL
-
EYW
40h 50m
2 stops
United Airlines Logo
16:47 - 07:30
EYW
-
MEL
24h 43m
2 stops
$3,111United Airlines
Sat, 9 May - Wed, 13 May
American Airlines Logo
09:45 - 18:49
MEL
-
EYW
47h 04m
2 stops
American Airlines Logo
14:29 - 05:00
EYW
-
MEL
24h 31m
1 stop
$3,112American Airlines
Sat, 9 May - Wed, 13 May

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 29 April 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

Wed 27/5

09:15-10:53

2 stops39h 38m

Key West

Wed 3/6

07:30-06:50

2 stops33h 20m

$1,696

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 12/6

10:55-13:30

2 stops40h 35m

Key West

Fri 19/6

14:26-07:30

2 stops27h 04m

$1,863
Fastest return journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Wed 27/5

09:10-19:10

2 stops24h 00m

Key West

Wed 3/6

14:21-06:55

1 stop26h 34m

$2,793

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Wed 27/5

18:30-10:56

3 stops54h 26m

Key West

Wed 3/6

11:28-17:30

2 stops40h 02m

$2,983

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Wed 27/5

17:30-10:56

3 stops55h 26m

Key West

Wed 3/6

13:39-20:40

3 stops41h 01m

$3,029

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Wed 27/5

12:00-16:52

1 stop42h 52m

Key West

Wed 3/6

14:21-06:55

1 stop26h 34m

$3,030

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Sat 9/5

10:55-15:07

2 stops42h 12m

Key West

Wed 13/5

16:47-07:30

2 stops24h 43m

$3,097

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Sat 9/5

10:55-15:07

2 stops42h 12m

Key West

Wed 13/5

16:47-07:30

2 stops24h 43m

$3,108

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Sat 9/5

10:55-13:45

2 stops40h 50m

Key West

Wed 13/5

16:47-07:30

2 stops24h 43m

$3,111

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Sat 9/5

09:45-18:49

2 stops47h 04m

Key West

Wed 13/5

14:29-05:00

1 stop24h 31m

$3,112

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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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 39h 38m on average. On the other hand, flying from Melbourne to Key West takes 40h 50m 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

$1,148

Best Round-Trip Price

$1,696

Fastest flight time

39h 43m
The best one-way flight price to Key West from Australia in the last 72 hours is $1,148 (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 $1,696 (Sydney Kingsford Smith to Key West).
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The fastest flight to Key West from Australia takes 39h 43m (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

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Fri 29/5
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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 $2,233
Sydney Kingsford Smith to Key West Flightsfrom $1,217