How long is the flight from Sydney to Key Largo?

Air Canada and United Airlines can get you from Sydney to Key Largo in just under 21h 09m. Your travel time can differ by up to 45m. There are 15012 km between Sydney and Key Largo. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops. Find deals

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm. Find deals

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C). Find deals

What are the most popular airlines that fly from Sydney to Key Largo?

The most popular airlines flying from Sydney to Key Largo are Qantas Airways, Air New Zealand and American Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from SYD to KE9?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Key Largo as you normally would.

What airport do you fly from for flights from Sydney to Key Largo?

Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Key Largo. You should not have trouble finding flights to Key Largo from Kingsford Smith; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Sydney airport to Key Largo. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

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

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

How can I find direct flights from Sydney to Key Largo?

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

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

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

$892+ Cheap Flights from Sydney to Key Largo

Q: How much does it cost for a return flight from Sydney to Key Largo?

Airfare is below average for this route at the moment. Sydney to Key Largo flights typically cost between $2,480 and $1,856 in October. The cheapest return flight price found within the last 3 days was $1,271 on Air Canada (12 Oct-18 Oct). Find deals

Cheap flight deals from Sydney to Key Largo

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sydney to Key Largo
Explore the most affordable flight options available from Sydney to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Mon 8/609:20

SYD

MIA

2 stops45h 47m

Air Canada

Tue 16/607:15

MIA

SYD

2 stops34h 05m

Air Canada

Deal found 7/6$1,248

Mon 12/1010:20

SYD

MIA

2 stops50h 57m

Air Canada

Sun 18/1021:45

MIA

SYD

2 stops43h 35m

Air Canada

Deal found 5/6$1,271

Mon 8/609:20

SYD

MIA

2 stops40h 53m

Air Canada

Sun 21/607:15

MIA

SYD

2 stops34h 05m

Air Canada

Deal found 5/6$1,286

Sun 1/1111:20

SYD

MIA

1 stop21h 59m

Air Canada

Sat 7/1108:00

MIA

SYD

2 stops33h 35m

Air Canada

Deal found 8/6$1,354

Mon 7/909:20

SYD

MIA

2 stops50h 57m

Air Canada

Sun 13/907:10

MIA

SYD

2 stops34h 10m

Air Canada

Deal found 5/6$1,401

Thu 10/909:20

SYD

MIA

2 stops50h 57m

Air Canada

Mon 14/918:10

MIA

SYD

1 stop23h 10m

Air Canada

Deal found 9/6$1,410

Find flight deals from Sydney to Key Largo

Round-trip from	$1,271
One-way from	$892
Popular in	January
Cheapest in	February
Average price	$2,064

Air Canada
12/10-18/10
4 total stops
94h 32m total
Sydney to Key Largo

Search Deals

United Airlines
7/7
3 total stops
43h 08m total
Sydney to Key Largo

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($378 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 12/10

10:20-17:14

1 stop21h 54m

Miami

Sun 18/10

21:45-08:20

2 stops43h 35m

$1,298

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 7/9

09:20-22:17

2 stops50h 57m

Miami

Sun 13/9

07:10-07:20

3 stops34h 10m

$1,413

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 22/6

10:20-17:29

1 stop21h 09m

Miami

Wed 1/7

08:00-06:55

1 stop32h 55m

$1,440

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 7/7

10:20-17:29

1 stop21h 09m

Miami

Tue 28/7

08:00-06:55

1 stop32h 55m

$1,444

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 13/7

10:20-07:39

1 stop35h 19m

Miami

Mon 27/7

18:35-06:55

1 stop22h 20m

$1,445

Fastest return journey

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 27/7

10:20-17:29

1 stop21h 09m

Miami

Wed 12/8

16:58-06:55

1 stop23h 57m

$1,447

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 22/7

10:20-17:29

1 stop21h 09m

Miami

Wed 29/7

08:00-06:55

1 stop32h 55m

$1,756

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 12/10

15:50-16:40

1 stop39h 50m

Miami

Sun 18/10

23:30-18:10

1 stop51h 40m

$1,803

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 12/11

11:50-15:25

1 stop19h 35m

Miami

Mon 16/11

06:20-07:00

1 stop32h 40m

$1,813

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 5/10

10:15-18:02

1 stop22h 47m

Miami

Mon 26/10

08:00-07:30

1 stop32h 30m

$1,815

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Sydney to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Sydney with our price prediction graph.

SYD-MIA

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.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Key Largo

SYD-KE9

SYD-MIA

How much does it cost for a return flight from Sydney to Key Largo?

Reviews of airlines servicing Key Largo

Read reviews from past customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Sydney to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very Good

645 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Air New Zealand

8.0

Very Good

645 reviews

Air New Zealand

8.0

Very Good

645 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Qantas Airways

7.5

Good

1,046 reviews

Air New Zealand

8.0

Very Good

645 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

United Airlines

7.4

Good

9,804 reviews

Air New Zealand

8.0

Very Good

645 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

American Airlines

7.1

Good

11,636 reviews

Air New Zealand

8.0

Very Good

645 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Air Canada

7.1

Good

11,154 reviews

Air New Zealand

8.0

Very Good

645 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Related info for your journey

What airport do you fly from for flights from Sydney to Key Largo?
Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Key Largo. You should not have trouble finding flights to Key Largo from Kingsford Smith; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Sydney airport to Key Largo. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.
How long is the flight from Sydney to Key Largo?
Air Canada and United Airlines can get you from Sydney to Key Largo in just under 21h 09m. Your travel time can differ by up to 45m. There are 15012 km between Sydney and Key Largo. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Sydney to Key Largo that include hotel bookings?
Yes. In addition to deals on Sydney to Key Largo flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Key Largo.
Can I find deals for business class flights from Sydney to Key Largo?
Yes. Cheapflights offers flight deals from Sydney to Key Largo 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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Top 6 airlines flying from Sydney to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,017	Average$1,564	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest$1,176	Average$1,768	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air New Zealand	Cheapest$1,444	Average$1,655	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Qantas Airways	Cheapest$1,510	Average$1,944	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
American Airlines	Cheapest$1,574	Average$1,940	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	Cheapest$1,778	Average$2,121	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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

Cheapflights helps you search for flights from Sydney to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Key Largo.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Key Largo flexibly with Cheapflights today.

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

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

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Cheap flights from Sydney to Key Largo from $892

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Key Largo

Cheapest flights from Sydney to Key LargoExplore the most affordable flight options available from Sydney to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Explore the most affordable flight options available from Sydney to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Best flights from Sydney to Key LargoDiscover carefully curated flight deals from Sydney to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 June 2026.

Discover carefully curated flight deals from Sydney to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 June 2026.

Last-minute flights from Sydney to Key LargoDiscover last-minute flight deals from Sydney to Key Largo. Data last updated 10 June 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Key Largo. Data last updated 10 June 2026 and is based on user searches.

One-way flights from Sydney to Key LargoSearch for one-way flight options from Sydney to Key Largo. Find affordable one-way fares based on user searches. Data last updated 10 June 2026.

Search for one-way flight options from Sydney to Key Largo. Find affordable one-way fares based on user searches. Data last updated 10 June 2026.

Find flight deals from Sydney to Key Largo

Keep the following information in mind while searching for Sydney to Key Largo flight deals. Data was last updated 10 June 2026.

Round-trip from

One-way from

Popular in

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Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to Key Largo that are best for you.

Best time to book a flight from Sydney to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Sydney with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Key Largo

How much does it cost for a return flight from Sydney to Key Largo?

Reviews of airlines servicing Key Largo

Read reviews from past customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Sydney to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from Sydney to Key Largo?

How long is the flight from Sydney to Key Largo?

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

How can I find direct flights from Sydney to Key Largo?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Key Largo

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Complete your trip

Complete your trip to Key Largo by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Sydney to Key Largo by cabin class

Find flights from Sydney to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sydney and Key Largo flights

Browse other Sydney and Key Largo flight options. Last updated on 10 June 2026.

Other flights from Sydney

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Popular flight searches

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Sydney to Key Largo flights

Consider these flights travelling from Sydney to Key Largo.

Top 6 airlines flying from Sydney to Key Largo

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

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

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

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Cheapest flights from Sydney to Key Largo
Explore the most affordable flight options available from Sydney to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Best flights from Sydney to Key Largo
Discover carefully curated flight deals from Sydney to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 June 2026.

Last-minute flights from Sydney to Key Largo
Discover last-minute flight deals from Sydney to Key Largo. Data last updated 10 June 2026 and is based on user searches.

One-way flights from Sydney to Key Largo
Search for one-way flight options from Sydney to Key Largo. Find affordable one-way fares based on user searches. Data last updated 10 June 2026.