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Look for other cheap flights to Key West

$1,152 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
09:10 - 16:23
SYD
-
EYW
69h 13m
2 stops
American Airlines Logo
10:16 - 07:05
EYW
-
SYD
30h 49m
2 stops
$2,965American Airlines
Mon, 10 Aug - Thu, 13 Aug
American Airlines Logo
09:10 - 16:23
SYD
-
EYW
69h 13m
2 stops
American Airlines Logo
13:07 - 07:05
EYW
-
SYD
51h 58m
2 stops
$2,967American Airlines
Mon, 10 Aug - Thu, 13 Aug
American Airlines Logo
09:10 - 16:23
SYD
-
EYW
69h 13m
2 stops
American Airlines Logo
12:06 - 07:05
EYW
-
SYD
28h 59m
2 stops
$2,970American Airlines
Mon, 10 Aug - Thu, 13 Aug
American Airlines Logo
17:50 - 12:55
SYD
-
EYW
33h 05m
2 stops
American Airlines Logo
13:35 - 07:05
EYW
-
SYD
27h 30m
2 stops
$2,978American Airlines
Thu, 27 Aug - Mon, 31 Aug
American Airlines Logo
09:10 - 11:36
SYD
-
EYW
40h 26m
2 stops
American Airlines Logo
16:45 - 07:05
EYW
-
SYD
24h 20m
2 stops
$3,056American Airlines
Mon, 10 Aug - Thu, 13 Aug
United Airlines Logo
10:55 - 13:29
MEL
-
EYW
40h 34m
2 stops
United Airlines Logo
14:20 - 07:30
EYW
-
MEL
51h 10m
2 stops
$3,110United Airlines
Mon, 10 Aug - Thu, 13 Aug
Qatar Airways Logo
22:45 - 10:55
MEL
-
EYW
50h 10m
2 stops
Qatar Airways Logo
11:28 - 22:05
EYW
-
MEL
44h 37m
2 stops
$3,138Qatar Airways
Mon, 6 Jul - Mon, 13 Jul
Multiple Airlines Logo
16:05 - 10:56
MEL
-
EYW
32h 51m
3 stops
Multiple Airlines Logo
13:39 - 10:15
EYW
-
MEL
30h 36m
3 stops
$3,421Multiple Airlines
Tue, 9 Jun - Sat, 13 Jun
Multiple Airlines Logo
16:05 - 10:55
MEL
-
EYW
32h 50m
3 stops
Multiple Airlines Logo
14:21 - 10:15
EYW
-
MEL
29h 54m
3 stops
$3,422Multiple Airlines
Mon, 6 Jul - Mon, 13 Jul
Qatar Airways Logo
17:45 - 16:52
MEL
-
EYW
61h 07m
3 stops
Qatar Airways Logo
13:39 - 22:05
EYW
-
MEL
42h 26m
2 stops
$4,710Qatar Airways
Tue, 9 Jun - Sat, 13 Jun

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 25 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

Mon 10/8

09:10-16:23

2 stops69h 13m

Key West

Thu 13/8

10:16-07:05

2 stops30h 49m

$2,965

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 10/8

09:10-16:23

2 stops69h 13m

Key West

Thu 13/8

13:07-07:05

2 stops51h 58m

$2,967

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 10/8

09:10-16:23

2 stops69h 13m

Key West

Thu 13/8

12:06-07:05

2 stops28h 59m

$2,970
Fastest return journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 27/8

17:50-12:55

2 stops33h 05m

Key West

Mon 31/8

13:35-07:05

2 stops27h 30m

$2,978

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 10/8

09:10-11:36

2 stops40h 26m

Key West

Thu 13/8

16:45-07:05

2 stops24h 20m

$3,056

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 10/8

10:55-13:29

2 stops40h 34m

Key West

Thu 13/8

14:20-07:30

2 stops51h 10m

$3,110

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 6/7

22:45-10:55

2 stops50h 10m

Key West

Mon 13/7

11:28-22:05

2 stops44h 37m

$3,138

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Tue 9/6

16:05-10:56

3 stops32h 51m

Key West

Sat 13/6

13:39-10:15

3 stops30h 36m

$3,421

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 6/7

16:05-10:55

3 stops32h 50m

Key West

Mon 13/7

14:21-10:15

3 stops29h 54m

$3,422

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Tue 9/6

17:45-16:52

3 stops61h 07m

Key West

Sat 13/6

13:39-22:05

2 stops42h 26m

$4,710

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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 09m on average. On the other hand, flying from Melbourne to Key West takes 40h 34m 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

$1,152

Best Round-Trip Price

$2,965

Fastest flight time

39h 32m
The best one-way flight price to Key West from Australia in the last 5 days is $1,152 (Sydney Kingsford Smith to Key West).
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The best round-trip flight price to Key West from Australia in the last 5 days is $2,965 (Sydney Kingsford Smith to Key West).
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The fastest flight to Key West from Australia takes 39h 32m (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
Sydney Kingsford Smith to Key West Flightsfrom $2,225
Melbourne to Key West Flightsfrom $2,484