$1,275 Cheap Flights to Key West in 2025

Look for other cheap flights to Key West

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Australia to Key West

Round-trip

One-way

Cheap return flights

14:00 - 11:21SYD-EYW

37h 21m2 stops

16:05 - 07:00EYW-SYD

46h 55m2 stops

$1,275United Airlines

Find Deal

Fri, 13 Feb - Fri, 20 Feb

14:15 - 11:03SYD-EYW

36h 48m2 stops

11:45 - 08:30EYW-SYD

28h 45m2 stops

$1,279Delta

Find Deal

Thu, 12 Feb - Fri, 20 Feb

10:40 - 11:03SYD-EYW

40h 23m2 stops

07:00 - 08:30EYW-SYD

33h 30m2 stops

$1,281Delta

Find Deal

Fri, 13 Feb - Fri, 20 Feb

11:50 - 16:08SYD-EYW

20h 18m1 stop

16:05 - 09:05EYW-SYD

25h 00m2 stops

$1,282United Airlines

Find Deal

Fri, 13 Feb - Fri, 20 Feb

11:50 - 16:08SYD-EYW

20h 18m1 stop

12:15 - 09:05EYW-SYD

28h 50m2 stops

$1,439United Airlines

Find Deal

Fri, 13 Feb - Tue, 17 Feb

10:40 - 11:03SYD-EYW

40h 23m2 stops

07:00 - 06:50EYW-SYD

31h 50m2 stops

$1,441Delta

Find Deal

Fri, 13 Feb - Tue, 17 Feb

11:20 - 11:21SYD-EYW

40h 01m2 stops

16:05 - 07:00EYW-SYD

70h 55m3 stops

$1,745United Airlines

Find Deal

Fri, 13 Feb - Fri, 20 Feb

09:45 - 23:59SYD-EYW

30h 14m3 stops

08:08 - 09:00EYW-SYD

32h 52m2 stops

$3,181American Airlines

Find Deal

Fri, 13 Feb - Tue, 17 Feb

09:45 - 23:59SYD-EYW

30h 14m3 stops

12:10 - 09:00EYW-SYD

28h 50m2 stops

$3,184American Airlines

Find Deal

Fri, 13 Feb - Tue, 17 Feb

16:20 - 23:59SYD-EYW

47h 39m3 stops

13:59 - 06:50EYW-SYD

48h 51m2 stops

$7,048

Find Deal

Fri, 13 Feb - Fri, 20 Feb

Fly from

Route

Depart

Return

Price

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

14:00-11:21

2 stops37h 21m

Key West

Fri 20/2

16:05-07:00

2 stops46h 55m

$1,275

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 12/2

14:15-11:03

2 stops36h 48m

Key West

Fri 20/2

11:45-08:30

2 stops28h 45m

$1,279

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

10:40-11:03

2 stops40h 23m

Key West

Fri 20/2

07:00-08:30

2 stops33h 30m

$1,281

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:50-16:08

1 stop20h 18m

Key West

Fri 20/2

16:05-09:05

2 stops25h 00m

$1,282

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:50-16:08

1 stop20h 18m

Key West

Tue 17/2

12:15-09:05

2 stops28h 50m

$1,439

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

10:40-11:03

2 stops40h 23m

Key West

Tue 17/2

07:00-06:50

2 stops31h 50m

$1,441

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-11:21

2 stops40h 01m

Key West

Fri 20/2

16:05-07:00

3 stops70h 55m

$1,745

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

09:45-23:59

3 stops30h 14m

Key West

Tue 17/2

08:08-09:00

2 stops32h 52m

$3,181

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

09:45-23:59

3 stops30h 14m

Key West

Tue 17/2

12:10-09:00

2 stops28h 50m

$3,184

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

16:20-23:59

3 stops47h 39m

Key West

Fri 20/2

13:59-06:50

2 stops48h 51m

$7,048

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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 20h 18m on average. On the other hand, flying from Melbourne to Key West takes 40h 53m 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	$1,282
Best Round-Trip Price	$1,275
Fastest flight time	39h 28m

The best one-way flight price to Key West from Australia in the last 72 hours is $1,282 (Melbourne to Key West).

Search Deals

The best round-trip flight price to Key West from Australia in the last 72 hours is $1,275 (Sydney Kingsford Smith to Key West).

Search Deals

The fastest flight to Key West from Australia takes 39h 28m (Melbourne to Key West).

Search Deals

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.