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Look for other cheap flights to Key West

$1,150 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 - 10:56
SYD
-
EYW
39h 46m
2 stops
American Airlines Logo
10:15 - 07:05
EYW
-
SYD
30h 50m
2 stops
$1,878American Airlines
Thu, 27 Aug - Mon, 31 Aug
American Airlines Logo
09:10 - 09:44
SYD
-
EYW
38h 34m
2 stops
American Airlines Logo
13:35 - 07:05
EYW
-
SYD
27h 30m
2 stops
$1,885American Airlines
Thu, 27 Aug - Mon, 31 Aug
American Airlines Logo
09:10 - 19:39
SYD
-
EYW
24h 29m
2 stops
American Airlines Logo
10:15 - 08:20
EYW
-
SYD
32h 05m
3 stops
$1,937American Airlines
Thu, 27 Aug - Mon, 31 Aug
United Airlines Logo
10:55 - 15:19
MEL
-
EYW
42h 24m
2 stops
United Airlines Logo
14:26 - 08:15
EYW
-
MEL
51h 49m
2 stops
$2,036United Airlines
Mon, 13 Jul - Mon, 20 Jul
American Airlines Logo
13:35 - 11:36
MEL
-
EYW
36h 01m
2 stops
American Airlines Logo
20:09 - 06:45
EYW
-
MEL
44h 36m
2 stops
$2,187American Airlines
Mon, 10 Aug - Thu, 13 Aug
Qantas Airways Logo
09:45 - 10:55
MEL
-
EYW
39h 10m
2 stops
Qantas Airways Logo
19:33 - 09:30
EYW
-
MEL
47h 57m
3 stops
$2,353Qantas Airways
Mon, 13 Jul - Mon, 20 Jul
Qantas Airways Logo
16:35 - 16:11
MEL
-
EYW
37h 36m
3 stops
Qantas Airways Logo
19:33 - 09:30
EYW
-
MEL
47h 57m
3 stops
$2,387Qantas Airways
Mon, 13 Jul - Mon, 20 Jul
Qantas Airways Logo
09:45 - 15:43
MEL
-
EYW
43h 58m
2 stops
Qantas Airways Logo
14:21 - 05:00
EYW
-
MEL
24h 39m
1 stop
$2,940Qantas Airways
Mon, 13 Jul - Mon, 20 Jul
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
$3,033United Airlines
Thu, 6 Aug - Mon, 10 Aug
United Airlines Logo
10:55 - 15:19
MEL
-
EYW
42h 24m
2 stops
United Airlines Logo
14:26 - 07:30
EYW
-
MEL
27h 04m
2 stops
$3,034United Airlines
Thu, 6 Aug - Mon, 10 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 2 June 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

Thu 27/8

09:10-10:56

2 stops39h 46m

Key West

Mon 31/8

10:15-07:05

2 stops30h 50m

$1,878

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 27/8

09:10-09:44

2 stops38h 34m

Key West

Mon 31/8

13:35-07:05

2 stops27h 30m

$1,885
Fastest return journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 27/8

09:10-19:39

2 stops24h 29m

Key West

Mon 31/8

10:15-08:20

3 stops32h 05m

$1,937

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 13/7

10:55-15:19

2 stops42h 24m

Key West

Mon 20/7

14:26-08:15

2 stops51h 49m

$2,036

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 10/8

13:35-11:36

2 stops36h 01m

Key West

Thu 13/8

20:09-06:45

2 stops44h 36m

$2,187

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 13/7

09:45-10:55

2 stops39h 10m

Key West

Mon 20/7

19:33-09:30

3 stops47h 57m

$2,353

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 13/7

16:35-16:11

3 stops37h 36m

Key West

Mon 20/7

19:33-09:30

3 stops47h 57m

$2,387

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Mon 13/7

09:45-15:43

2 stops43h 58m

Key West

Mon 20/7

14:21-05:00

1 stop24h 39m

$2,940

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Thu 6/8

10:55-13:30

2 stops40h 35m

Key West

Mon 10/8

14:26-07:30

2 stops27h 04m

$3,033

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Thu 6/8

10:55-15:19

2 stops42h 24m

Key West

Mon 10/8

14:26-07:30

2 stops27h 04m

$3,034

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 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

$1,150

Best Round-Trip Price

$1,878

Fastest flight time

24h 35m
The best one-way flight price to Key West from Australia in the last 5 days is $1,150 (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 $1,878 (Sydney Kingsford Smith to Key West).
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The fastest flight to Key West from Australia takes 24h 35m (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 $1,805
Melbourne to Key West Flightsfrom $1,906