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

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — EYW
1 Sep — 8 Sep1
1 adult

Cheap flight deals from Sydney to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 August 2025.

Round-trip from

$2,129
Delta
  • Delta
  • 10/10-17/10
  • 4 total stops
  • 72h 57m total
  • Sydney to Key West
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Find flight deals from Sydney to Key West

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 27 August 2025.

Fri 10/1010:25SYD - EYW
2 stops40h 02mDelta
Fri 17/1007:40EYW - SYD
2 stops32h 55mDelta
Deal found 26/8$2,129
Fri 10/1010:10SYD - EYW
2 stops24h 12mAmerican Airlines
Fri 17/1014:32EYW - SYD
1 stop25h 23mAmerican Airlines
Deal found 26/8$3,078
Tue 2/920:45SYD - EYW
2 stops60h 14mQatar Airways
Tue 9/913:59EYW - SYD
2 stops37h 11mQatar Airways
Deal found 26/8$3,117

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 27 August 2025.
Use the filters below to find and compare flights from Sydney to Key West that are best for you.

Fly from

Sydney

Fly to

Key West

Route

Depart

Return

Price

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 10/10

10:25-11:27

2 stops40h 02m

Key West

Fri 17/10

07:40-07:35

2 stops32h 55m

$2,129

SydneyKey West

SYD - EYW

SYDEYW

Sydney Kingsford Smith

Fri 10/10

10:10-19:22

2 stops24h 12m

Key West

Fri 17/10

14:32-06:55

1 stop25h 23m

$3,078

Flights are sorted by cheapest return flights first.

Deals found on 26/8

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 $3,078, Delta can have you in Key West from Sydney in 24h 12m. The distance between Sydney and Key West is about 14820 km. This flight may include one or multiple stops.

  • 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.

See more FAQs

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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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