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Cheap flights from Sydney to Key West from $1,276

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.
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Cheap return flights

Delta Logo
10:40 - 19:44SYD-EYW
25h 04m2 stops
Delta Logo
07:00 - 08:30EYW-SYD
33h 30m2 stops
$1,276Delta
Find Deal
Fri, 13 Feb - Fri, 20 Feb
Delta Logo
10:40 - 11:03SYD-EYW
40h 23m2 stops
Delta Logo
07:00 - 08:30EYW-SYD
33h 30m2 stops
$1,279Delta
Find Deal
Fri, 13 Feb - Fri, 20 Feb
United Airlines Logo
11:50 - 16:08SYD-EYW
20h 18m1 stop
United Airlines Logo
16:53 - 09:15EYW-SYD
25h 22m2 stops
$1,435United Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
United Airlines Logo
11:20 - 12:05SYD-EYW
40h 45m2 stops
United Airlines Logo
16:53 - 07:00EYW-SYD
23h 07m1 stop
$1,439United Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Delta Logo
10:40 - 11:03SYD-EYW
40h 23m2 stops
Delta Logo
14:35 - 08:30EYW-SYD
25h 55m2 stops
$1,440Delta
Find Deal
Fri, 13 Feb - Tue, 17 Feb
American Airlines Logo
11:15 - 18:23SYD-EYW
23h 08m2 stops
American Airlines Logo
15:51 - 06:55EYW-SYD
23h 04m1 stop
$1,754American Airlines
Find Deal
Fri, 13 Feb - Fri, 20 Feb
American Airlines Logo
11:15 - 18:23SYD-EYW
23h 08m2 stops
American Airlines Logo
15:51 - 06:55EYW-SYD
23h 04m1 stop
$1,760American Airlines
Find Deal
Fri, 13 Feb - Fri, 20 Feb
American Airlines Logo
17:45 - 11:44SYD-EYW
33h 59m2 stops
American Airlines Logo
15:51 - 06:55EYW-SYD
23h 04m1 stop
$3,054American Airlines
Find Deal
Fri, 13 Feb - Tue, 17 Feb
American Airlines Logo
11:15 - 18:23SYD-EYW
23h 08m2 stops
American Airlines Logo
15:51 - 06:55EYW-SYD
23h 04m1 stop
$3,074American Airlines
Find Deal
Fri, 13 Feb - Tue, 17 Feb
American Airlines Logo
09:45 - 23:59SYD-EYW
30h 14m3 stops
American Airlines Logo
06:31 - 09:00EYW-SYD
34h 29m2 stops
$3,172American Airlines
Find Deal
Fri, 13 Feb - Tue, 17 Feb

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
25h 04m
2 stops
EYW19:44Key West
20 Feb
EYW07:00Key West
33h 30m
2 stops
SYD08:30Sydney Kingsford Smith
$1,276
Find similar
Delta
13 Feb
SYD10:40Sydney Kingsford Smith
40h 23m
2 stops
EYW11:03Key West
20 Feb
EYW07:00Key West
33h 30m
2 stops
SYD08:30Sydney Kingsford Smith
$1,279
Find similar
Delta
13 Feb
SYD10:40Sydney Kingsford Smith
40h 23m
2 stops
EYW11:03Key West
17 Feb
EYW14:35Key West
25h 55m
2 stops
SYD08:30Sydney Kingsford Smith
$1,440
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
SYD11:15Sydney Kingsford Smith
23h 08m
2 stops
EYW18:23Key West
20 Feb
EYW15:51Key West
23h 04m
1 stop
SYD06:55Sydney Kingsford Smith
$1,754
Find similar
American Airlines
13 Feb
SYD11:15Sydney Kingsford Smith
23h 08m
2 stops
EYW18:23Key West
20 Feb
EYW15:51Key West
23h 04m
1 stop
SYD06:55Sydney Kingsford Smith
$1,760
Find similar
American Airlines
13 Feb
SYD17:45Sydney Kingsford Smith
33h 59m
2 stops
EYW11:44Key West
17 Feb
EYW15:51Key West
23h 04m
1 stop
SYD06:55Sydney Kingsford Smith
$3,054
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 14 September 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

10:40-19:44

2 stops25h 04m

Key West

Fri 20/2

07:00-08:30

2 stops33h 30m

$1,276

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

$1,279

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 6/3

11:50-16:08

1 stop20h 18m

Key West

Tue 10/3

16:53-09:15

2 stops25h 22m

$1,435

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 6/3

11:20-12:05

2 stops40h 45m

Key West

Tue 10/3

16:53-07:00

1 stop23h 07m

$1,438

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

10:40-11:03

2 stops40h 23m

Key West

Tue 17/2

14:35-08:30

2 stops25h 55m

$1,440

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:15-18:23

2 stops23h 08m

Key West

Fri 20/2

15:51-06:55

1 stop23h 04m

$1,754

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:15-18:23

2 stops23h 08m

Key West

Fri 20/2

15:51-06:55

1 stop23h 04m

$1,760

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

17:45-11:44

2 stops33h 59m

Key West

Tue 17/2

15:51-06:55

1 stop23h 04m

$3,054

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:15-18:23

2 stops23h 08m

Key West

Tue 17/2

15:51-06:55

1 stop23h 04m

$3,074

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

09:45-23:59

3 stops30h 14m

Key West

Tue 17/2

06:31-09:00

2 stops34h 29m

$3,172

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

Direct flights

None
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 23h 08m.

  • 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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