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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 - 10:56
SYD
-
EYW
39h 46m
2 stops
American Airlines Logo
14:30 - 07:05
EYW
-
SYD
26h 35m
2 stops
$3,057American Airlines
Mon, 10 Aug - Thu, 13 Aug
United Airlines Logo
10:55 - 13:30
MEL
-
EYW
40h 35m
2 stops
United Airlines Logo
16:00 - 08:15
EYW
-
MEL
50h 15m
2 stops
$3,167United Airlines
Tue, 30 Jun - Tue, 7 Jul
Multiple Airlines Logo
06:00 - 19:10
MEL
-
EYW
27h 10m
3 stops
Multiple Airlines Logo
13:47 - 10:00
EYW
-
MEL
30h 13m
3 stops
$3,199Multiple Airlines
Tue, 30 Jun - Tue, 7 Jul
United Airlines Logo
10:55 - 13:30
MEL
-
EYW
40h 35m
2 stops
United Airlines Logo
16:00 - 08:15
EYW
-
MEL
50h 15m
2 stops
$3,243United Airlines
Wed, 1 Jul - Fri, 31 Jul
Multiple Airlines Logo
06:00 - 19:10
MEL
-
EYW
27h 10m
3 stops
Multiple Airlines Logo
13:47 - 10:35
EYW
-
MEL
30h 48m
3 stops
$3,247Multiple Airlines
Wed, 1 Jul - Fri, 31 Jul
American Airlines Logo
17:50 - 13:45
SYD
-
EYW
33h 55m
2 stops
American Airlines Logo
11:30 - 08:20
EYW
-
SYD
30h 50m
3 stops
$3,257American Airlines
Mon, 10 Aug - Thu, 13 Aug
Multiple Airlines Logo
06:00 - 19:10
MEL
-
EYW
27h 10m
3 stops
Multiple Airlines Logo
14:21 - 10:20
EYW
-
MEL
29h 59m
2 stops
$3,277Multiple Airlines
Tue, 30 Jun - Tue, 7 Jul
Multiple Airlines Logo
06:00 - 19:10
MEL
-
EYW
27h 10m
3 stops
Multiple Airlines Logo
14:21 - 06:45
EYW
-
MEL
26h 24m
2 stops
$3,493Multiple Airlines
Wed, 1 Jul - Fri, 31 Jul
Qantas Airways Logo
13:35 - 16:54
MEL
-
EYW
41h 19m
1 stop
Qantas Airways Logo
19:33 - 05:00
EYW
-
MEL
43h 27m
2 stops
$3,798Qantas Airways
Wed, 1 Jul - Fri, 31 Jul
American Airlines Logo
13:35 - 10:55
MEL
-
EYW
35h 20m
2 stops
American Airlines Logo
14:21 - 13:20
EYW
-
MEL
32h 59m
2 stops
$6,807American Airlines
Wed, 1 Jul - Fri, 31 Jul

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 20 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

09:10-10:56

2 stops39h 46m

Key West

Thu 13/8

14:30-07:05

2 stops26h 35m

$3,057

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Tue 30/6

10:55-13:30

2 stops40h 35m

Key West

Tue 7/7

16:00-08:15

2 stops50h 15m

$3,167

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Tue 30/6

06:00-19:10

3 stops27h 10m

Key West

Tue 7/7

13:47-10:00

3 stops30h 13m

$3,199

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Wed 1/7

10:55-13:30

2 stops40h 35m

Key West

Fri 31/7

16:00-08:15

2 stops50h 15m

$3,243

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Wed 1/7

06:00-19:10

3 stops27h 10m

Key West

Fri 31/7

13:47-10:35

3 stops30h 48m

$3,247

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 10/8

17:50-13:45

2 stops33h 55m

Key West

Thu 13/8

11:30-08:20

3 stops30h 50m

$3,257

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Tue 30/6

06:00-19:10

3 stops27h 10m

Key West

Tue 7/7

14:21-10:20

2 stops29h 59m

$3,277
Fastest return journey

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Wed 1/7

06:00-19:10

3 stops27h 10m

Key West

Fri 31/7

14:21-06:45

2 stops26h 24m

$3,493

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Wed 1/7

13:35-16:54

1 stop41h 19m

Key West

Fri 31/7

19:33-05:00

2 stops43h 27m

$3,798

MelbourneKey West

MEL - EYW

MELEYW

Melbourne

Wed 1/7

13:35-10:55

2 stops35h 20m

Key West

Fri 31/7

14:21-13:20

2 stops32h 59m

$6,807

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 42h 24m 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

$3,057

Fastest flight time

24h 30m
The best one-way flight price to Key West from Australia in the last 72 hours 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 72 hours is $3,057 (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 $2,117
Sydney Kingsford Smith to Key West Flightsfrom $2,260