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Cheap flights from Sydney to Key West from $2,273

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

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United Airlines Logo
11:20 - 15:53SYD-EYW
44h 33m2 stops
United Airlines Logo
15:56 - 06:20EYW-SYD
70h 24m2 stops
$2,273United Airlines
Find Deal
Fri, 13 Feb - Fri, 20 Feb
United Airlines Logo
11:20 - 15:53SYD-EYW
44h 33m2 stops
United Airlines Logo
15:56 - 07:00EYW-SYD
71h 04m2 stops
$2,285United Airlines
Find Deal
Fri, 13 Feb - Fri, 20 Feb
United Airlines Logo
11:20 - 22:14SYD-EYW
26h 54m2 stops
United Airlines Logo
15:56 - 07:00EYW-SYD
71h 04m2 stops
$2,288United Airlines
Find Deal
Fri, 13 Feb - Fri, 20 Feb
Delta Logo
10:40 - 11:03SYD-EYW
40h 23m2 stops
Delta Logo
11:45 - 07:30EYW-SYD
28h 45m2 stops
$2,329Delta
Find Deal
Fri, 6 Mar - Tue, 10 Mar
American Airlines Logo
11:20 - 10:59SYD-EYW
38h 39m2 stops
American Airlines Logo
15:48 - 06:55EYW-SYD
24h 07m1 stop
$2,364American Airlines
Find Deal
Mon, 9 Mar - Tue, 10 Mar
American Airlines Logo
14:05 - 16:17SYD-EYW
42h 12m1 stop
American Airlines Logo
15:48 - 09:00EYW-SYD
50h 12m2 stops
$2,532American Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
American Airlines Logo
11:20 - 22:59SYD-EYW
27h 39m2 stops
American Airlines Logo
14:25 - 06:55EYW-SYD
24h 30m1 stop
$2,540American Airlines
Find Deal
Fri, 13 Feb - Fri, 20 Feb
United Airlines Logo
10:20 - 21:09SYD-EYW
25h 49m2 stops
United Airlines Logo
16:53 - 09:05EYW-SYD
25h 12m2 stops
$2,666United Airlines
Find Deal
Mon, 9 Mar - Tue, 10 Mar
United Airlines Logo
10:20 - 21:09SYD-EYW
25h 49m2 stops
United Airlines Logo
15:48 - 09:05EYW-SYD
26h 17m2 stops
$2,674United Airlines
Find Deal
Mon, 9 Mar - Tue, 10 Mar
Multiple Airlines Logo
16:20 - 19:35SYD-EYW
43h 15m3 stops
Multiple Airlines Logo
16:03 - 06:50EYW-SYD
46h 47m2 stops
$17,334Multiple Airlines
Find Deal
Fri, 12 Dec - Fri, 19 Dec

American Airlines flights from Sydney to Key West

Our best American Airlines deals on Sydney to Key West flight tickets
American Airlines
9 Mar
SYD11:20Sydney Kingsford Smith
38h 39m
2 stops
EYW10:59Key West
10 Mar
EYW15:48Key West
24h 07m
1 stop
SYD06:55Sydney Kingsford Smith
$2,364
Find similar
American Airlines
6 Mar
SYD14:05Sydney Kingsford Smith
42h 12m
1 stop
EYW16:17Key West
10 Mar
EYW15:48Key West
50h 12m
2 stops
SYD09:00Sydney Kingsford Smith
$2,532
Find similar
American Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
27h 39m
2 stops
EYW22:59Key West
20 Feb
EYW14:25Key West
24h 30m
1 stop
SYD06:55Sydney Kingsford Smith
$2,540
Find similar

United Airlines flights from Sydney to Key West

Our best United Airlines deals on Sydney to Key West flight tickets
United Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
44h 33m
2 stops
EYW15:53Key West
20 Feb
EYW15:56Key West
70h 24m
2 stops
SYD06:20Sydney Kingsford Smith
$2,273
Find similar
United Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
44h 33m
2 stops
EYW15:53Key West
20 Feb
EYW15:56Key West
71h 04m
2 stops
SYD07:00Sydney Kingsford Smith
$2,285
Find similar
United Airlines
13 Feb
SYD11:20Sydney Kingsford Smith
26h 54m
2 stops
EYW22:14Key West
20 Feb
EYW15:56Key West
71h 04m
2 stops
SYD07:00Sydney Kingsford Smith
$2,288
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 29 October 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

11:20-15:53

2 stops44h 33m

Key West

Fri 20/2

15:56-06:20

2 stops70h 24m

$2,273

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-15:53

2 stops44h 33m

Key West

Fri 20/2

15:56-07:00

2 stops71h 04m

$2,285

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-22:14

2 stops26h 54m

Key West

Fri 20/2

15:56-07:00

2 stops71h 04m

$2,288

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 6/3

10:40-11:03

2 stops40h 23m

Key West

Tue 10/3

11:45-07:30

2 stops28h 45m

$2,329

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 9/3

11:20-10:59

2 stops38h 39m

Key West

Tue 10/3

15:48-06:55

1 stop24h 07m

$2,364

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 6/3

14:05-16:17

1 stop42h 12m

Key West

Tue 10/3

15:48-09:00

2 stops50h 12m

$2,532

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/2

11:20-22:59

2 stops27h 39m

Key West

Fri 20/2

14:25-06:55

1 stop24h 30m

$2,540

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 9/3

10:20-21:09

2 stops25h 49m

Key West

Tue 10/3

16:53-09:05

2 stops25h 12m

$2,666

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Mon 9/3

10:20-21:09

2 stops25h 49m

Key West

Tue 10/3

15:48-09:05

2 stops26h 17m

$2,674

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 12/12

16:20-19:35

3 stops43h 15m

Key West

Fri 19/12

16:03-06:50

2 stops46h 47m

$17,334

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 20h 18m.

  • 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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