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Cheap flights from Sydney to Key West from $2,129

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Key West departing on 13/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
10:40 - 17:01
SYD
-
EYW
22h 21m2 stops
Delta Logo
07:10 - 08:30
EYW
-
SYD
33h 20m2 stops
$2,129Delta
Fri, 13 Feb - Fri, 20 Feb
Delta Logo
10:40 - 19:42
SYD
-
EYW
25h 02m2 stops
Delta Logo
11:59 - 08:30
EYW
-
SYD
28h 31m2 stops
$2,349Delta
Fri, 13 Feb - Fri, 20 Feb
United Airlines Logo
12:10 - 15:53
SYD
-
EYW
43h 43m2 stops
United Airlines Logo
07:00 - 06:20
EYW
-
SYD
31h 20m2 stops
$2,360United Airlines
Fri, 13 Feb - Fri, 20 Feb
Delta Logo
10:40 - 19:40
SYD
-
EYW
25h 00m2 stops
Delta Logo
07:10 - 08:30
EYW
-
SYD
33h 20m2 stops
$2,426Delta
Fri, 6 Feb - Fri, 13 Feb
American Airlines Logo
11:20 - 22:43
SYD
-
EYW
27h 23m2 stops
American Airlines Logo
14:37 - 06:55
EYW
-
SYD
24h 18m1 stop
$2,524American Airlines
Fri, 13 Feb - Fri, 20 Feb
American Airlines Logo
11:20 - 22:43
SYD
-
EYW
27h 23m2 stops
American Airlines Logo
14:37 - 06:55
EYW
-
SYD
24h 18m1 stop
$2,536American Airlines
Fri, 13 Feb - Fri, 20 Feb
American Airlines Logo
11:20 - 22:54
SYD
-
EYW
27h 34m2 stops
American Airlines Logo
14:37 - 06:55
EYW
-
SYD
24h 18m1 stop
$2,543American Airlines
Fri, 13 Feb - Fri, 20 Feb
United Airlines Logo
11:50 - 15:42
SYD
-
EYW
19h 52m1 stop
United Airlines Logo
16:55 - 07:00
EYW
-
SYD
23h 05m1 stop
$2,646United Airlines
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
11:50 - 15:42
SYD
-
EYW
19h 52m1 stop
United Airlines Logo
16:55 - 07:00
EYW
-
SYD
23h 05m1 stop
$2,663United Airlines
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
11:50 - 22:19
SYD
-
EYW
26h 29m2 stops
United Airlines Logo
16:55 - 07:00
EYW
-
SYD
23h 05m1 stop
$2,671United Airlines
Thu, 5 Mar - Mon, 9 Mar

Delta flights from Sydney to Key West

Our best Delta deals on Sydney to Key West flight tickets
Delta
13 Feb
SYD10:40Sydney Kingsford Smith
22h 21m
2 stops
EYW17:01Key West
20 Feb
EYW07:10Key West
33h 20m
2 stops
SYD08:30Sydney Kingsford Smith
$2,129
Find similar
Delta
13 Feb
SYD10:40Sydney Kingsford Smith
25h 02m
2 stops
EYW19:42Key West
20 Feb
EYW11:59Key West
28h 31m
2 stops
SYD08:30Sydney Kingsford Smith
$2,349
Find similar
Delta
6 Feb
SYD10:40Sydney Kingsford Smith
25h 00m
2 stops
EYW19:40Key West
13 Feb
EYW07:10Key West
33h 20m
2 stops
SYD08:30Sydney Kingsford Smith
$2,426
Find similar

American Airlines flights from Sydney to Key West

Our best American Airlines deals on Sydney to Key West flight tickets
American Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
27h 23m
2 stops
EYW22:43Key West
20 Feb
EYW14:37Key West
24h 18m
1 stop
SYD06:55Sydney Kingsford Smith
$2,524
Find similar
American Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
27h 23m
2 stops
EYW22:43Key West
20 Feb
EYW14:37Key West
24h 18m
1 stop
SYD06:55Sydney Kingsford Smith
$2,536
Find similar
American Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
27h 34m
2 stops
EYW22:54Key West
20 Feb
EYW14:37Key West
24h 18m
1 stop
SYD06:55Sydney Kingsford Smith
$2,543
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 26 December 2025.
Use the filters below to find and compare flights from Sydney to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

10:40-17:01

2 stops22h 21m

Key West

Fri 20/2

07:10-08:30

2 stops33h 20m

$2,129

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

10:40-19:42

2 stops25h 02m

Key West

Fri 20/2

11:59-08:30

2 stops28h 31m

$2,349

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

12:10-15:53

2 stops43h 43m

Key West

Fri 20/2

07:00-06:20

2 stops31h 20m

$2,360

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 6/2

10:40-19:40

2 stops25h 00m

Key West

Fri 13/2

07:10-08:30

2 stops33h 20m

$2,426

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-22:43

2 stops27h 23m

Key West

Fri 20/2

14:37-06:55

1 stop24h 18m

$2,524

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-22:43

2 stops27h 23m

Key West

Fri 20/2

14:37-06:55

1 stop24h 18m

$2,536

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-22:54

2 stops27h 34m

Key West

Fri 20/2

14:37-06:55

1 stop24h 18m

$2,543

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 5/3

11:50-15:42

1 stop19h 52m

Key West

Mon 9/3

16:55-07:00

1 stop23h 05m

$2,646

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 5/3

11:50-15:42

1 stop19h 52m

Key West

Mon 9/3

16:55-07:00

1 stop23h 05m

$2,663

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Thu 5/3

11:50-22:19

2 stops26h 29m

Key West

Mon 9/3

16:55-07:00

1 stop23h 05m

$2,671

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Sydney to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Key West (SYD to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Key West

Fastest flight time

22h 21m

Direct flights

None
The fastest flight from Sydney to Key West takes 22h 21m
There are no direct flights from Sydney to Key West. There are no popular flight routes from Sydney to Key West.
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  • How far is Sydney Kingsford Smith to Key West by plane?

    The straight-line distance from Sydney Kingsford Smith to Key West is 14813.6 km. In terms of flight time, this usually takes a little over 22h 21m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Key West Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Key West Airport were last updated today.

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Sydney to Key West?

    Confirm your travel details to search for the latest offers for flights from Sydney to Key West. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Sydney to Key West with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Sydney.

Can I find flights from Sydney to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West from Sydney which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sydney to Key West?

momondo helps you find the best flight between Sydney and Key West by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sydney to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sydney to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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