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Look for other cheap flights to Key West

$1,541 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
10:00 - 19:49
MEL
-
EYW
23h 49m
2 stops
Delta Logo
14:00 - 07:50
EYW
-
MEL
27h 50m
2 stops
$1,714Delta
Fri, 29 May - Fri, 5 Jun
United Airlines Logo
10:55 - 13:45
MEL
-
EYW
40h 50m
2 stops
United Airlines Logo
16:47 - 08:15
EYW
-
MEL
49h 28m
2 stops
$2,075United Airlines
Sun, 10 May - Sun, 17 May
Delta Logo
09:15 - 10:53
SYD
-
EYW
39h 38m
2 stops
Delta Logo
07:30 - 06:50
EYW
-
SYD
33h 20m
2 stops
$2,270Delta
Thu, 28 May - Thu, 4 Jun
Delta Logo
09:15 - 19:45
SYD
-
EYW
24h 30m
2 stops
Delta Logo
07:00 - 06:50
EYW
-
SYD
33h 50m
2 stops
$2,571Delta
Thu, 10 Sep - Sat, 12 Sep
Qatar Airways Logo
22:45 - 22:58
MEL
-
EYW
38h 13m
2 stops
Qatar Airways Logo
11:24 - 17:15
EYW
-
MEL
39h 51m
2 stops
$2,748Qatar Airways
Fri, 8 May - Tue, 12 May
Qatar Airways Logo
22:45 - 22:58
MEL
-
EYW
38h 13m
2 stops
Qatar Airways Logo
11:24 - 17:15
EYW
-
MEL
39h 51m
2 stops
$2,750Qatar Airways
Fri, 8 May - Tue, 12 May
Multiple Airlines Logo
09:10 - 19:10
SYD
-
EYW
24h 00m
2 stops
Multiple Airlines Logo
14:21 - 06:55
EYW
-
SYD
26h 34m
1 stop
$2,848Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
17:30 - 10:56
SYD
-
EYW
31h 26m
3 stops
Multiple Airlines Logo
14:21 - 07:30
EYW
-
SYD
27h 09m
2 stops
$2,879Multiple Airlines
Thu, 28 May - Thu, 4 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
$3,101American Airlines
Thu, 28 May - Thu, 4 Jun
American Airlines Logo
13:35 - 17:02
MEL
-
EYW
41h 27m
1 stop
American Airlines Logo
14:29 - 06:45
EYW
-
MEL
50h 16m
2 stops
$3,115American Airlines
Fri, 8 May - Tue, 12 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 15 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

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 29/5

10:00-19:49

2 stops23h 49m

Key West

Fri 5/6

14:00-07:50

2 stops27h 50m

$1,714

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Sun 10/5

10:55-13:45

2 stops40h 50m

Key West

Sun 17/5

16:47-08:15

2 stops49h 28m

$2,075

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 28/5

09:15-10:53

2 stops39h 38m

Key West

Thu 4/6

07:30-06:50

2 stops33h 20m

$2,270

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 10/9

09:15-19:45

2 stops24h 30m

Key West

Sat 12/9

07:00-06:50

2 stops33h 50m

$2,571

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 8/5

22:45-22:58

2 stops38h 13m

Key West

Tue 12/5

11:24-17:15

2 stops39h 51m

$2,748

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 8/5

22:45-22:58

2 stops38h 13m

Key West

Tue 12/5

11:24-17:15

2 stops39h 51m

$2,750
Fastest return journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 28/5

09:10-19:10

2 stops24h 00m

Key West

Thu 4/6

14:21-06:55

1 stop26h 34m

$2,848

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 28/5

17:30-10:56

3 stops31h 26m

Key West

Thu 4/6

14:21-07:30

2 stops27h 09m

$2,879

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 28/5

12:00-16:52

1 stop42h 52m

Key West

Thu 4/6

14:21-06:55

1 stop26h 34m

$3,101

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Fri 8/5

13:35-17:02

1 stop41h 27m

Key West

Tue 12/5

14:29-06:45

2 stops50h 16m

$3,115

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 24h 30m on average. On the other hand, flying from Melbourne to Key West takes 38h 13m 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

$1,541

Best Round-Trip Price

$1,714

Fastest flight time

23h 17m
The best one-way flight price to Key West from Australia in the last 72 hours is $1,541 (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 $1,714 (Melbourne to Key West).
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The fastest flight to Key West from Australia takes 23h 17m (Sydney Kingsford Smith to Key West).
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Frequently asked questions about flying to Key West

What is there to do in Key West when it’s raining?

If you are planning a flight to Key West and are looking to avoid the rain, you should avoid traveling during the months of August and September. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Key West, there are still things to do and ways to enjoy your trip. For those looking to get out of the rain and do a little shopping, check out Duval Street.

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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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 $1,955
Sydney Kingsford Smith to Key West Flightsfrom $1,829