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Cheap flights from Sydney to Key West from $989

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — EYW
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Key West

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Key West
Explore the most affordable flight options available from Sydney to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Fri 13/1111:50
SYD
-
EYW
2 stops42h 09m
United Airlines
Tue 17/1114:55
EYW
-
SYD
2 stops50h 10m
United Airlines
Deal found 29/6$1,726
Fri 13/1111:15
SYD
-
EYW
2 stops39h 53m
American Airlines
Tue 17/1114:39
EYW
-
SYD
1 stop24h 16m
American Airlines
Deal found 30/6$1,729

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 1 July 2026.
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

Cheapest return flight

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/11

11:50-13:59

2 stops42h 09m

Key West

Tue 17/11

14:55-09:05

2 stops50h 10m

$1,726
Fastest return journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 13/11

11:15-11:08

2 stops39h 53m

Key West

Tue 17/11

14:39-06:55

1 stop24h 16m

$1,729
Cheapest one-way
Fastest single journey

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Wed 30/9

09:15-10:47

2 stops39h 32m

$989

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Wed 30/9

18:30-10:57

3 stops54h 27m

$1,397

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Sorted by cheapest first

Best time to book a flight from Sydney to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Key West?

    For as low as $1,726, United Airlines can have you in Key West from Sydney in 42h 09m. The distance between Sydney and Key West is about 14820 km.

  • Can I find deals for flights from Sydney to Key West that include hotel bookings?

    Yes. In addition to deals on Sydney to Key West flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Key West.

  • Can I find deals for business class flights from Sydney to Key West?

    Yes. Cheapflights offers flight deals from Sydney to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from Sydney to Key West?

Deals for Sydney to Key West flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Key West?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Key West by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Sydney to Key West with no change fees?

Certainly. Search results for flights to Key West from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to Key West become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key West from Sydney today and book when prices fit your budget.

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