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$467+ Cheap flights from Key Largo, FL to Sydney (SYD)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SYD
janv. 26 — févr. 21
dim. 1/26
dim. 2/2
1 adult, Economy
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The best prices from Key Largo to Sydney Kingsford Smith are usually found in February or March, booked 85 days in advance, depart on a Sunday or Tuesday and return on a Friday

Cheap flight deals from Key Largo to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Sydney (SYD). 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 janvier 21, 2025.

Round-trip from

$997
(Mytrip)

One-way from

$467
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,743
From Key Largo to Sydney Kingsford Smith
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One-way flight from Key Largo to Sydney Kingsford Smith
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Highest demand for flights based on searches. 18% potential increase in price ($354 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Key Largo to Sydney

Cheapest flights from Key Largo to Sydney
Explore the most affordable flight options available from Key Largo to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/511:03 amMIA - SYD
3 stops33h 27mMultiple Airlines
mer. 3/192:00 pmSYD - MIA
3 stops34h 02mMultiple Airlines
Deal found 1/20$997
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/278:41 amMIA - SYD
1 stop32h 14mUnited Airlines
mer. 6/119:30 amSYD - MIA
2 stops25h 12mUnited Airlines
Deal found 1/20$1,203
This oojo deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/127:00 pmMIA - SYD
2 stops26h 45mFiji Airways
mar. 4/226:15 amSYD - MIA
2 stops29h 24mFiji Airways
Deal found 1/20$1,204
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/19:30 amMIA - SYD
1 stop31h 30mAmerican Airlines
lun. 3/1711:15 amSYD - MIA
1 stop22h 21mAmerican Airlines
Deal found 1/20$1,320
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/57:15 pmMIA - SYD
2 stops32h 30mAlaska Airlines
dim. 2/99:40 pmSYD - MIA
2 stops35h 15mAlaska Airlines
Deal found 1/20$1,336
This Air Canada deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/101:55 pmMIA - SYD
2 stops51h 40mAir Canada
dim. 11/1611:20 amSYD - MIA
2 stops41h 42mAir Canada
Deal found 1/21$1,423
This Gurufare deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/105:51 pmMIA - SYD
1 stop24h 09mQantas Airways
mer. 4/305:35 pmSYD - MIA
1 stop26h 04mQantas Airways
Deal found 1/20$1,449
This CrystalTravel deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/234:48 pmMIA - SYD
1 stop24h 07mAir New Zealand
mar. 5/611:50 amSYD - MIA
2 stops24h 39mAir New Zealand
Deal found 1/20$1,528
This CrystalTravel deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/410:35 amMIA - SYD
2 stops42h 35mTurkish Airlines
ven. 4/189:05 pmSYD - MIA
2 stops37h 15mTurkish Airlines
Deal found 1/21$1,535

Find flights from Key Largo to Sydney within your budget

Customize your flight search to find flights from Key Largo to Sydney 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 2,558,603 searches. Data last updated janvier 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiSydney

MIA - SYD

MIASYD

Miami

mer. 3/5

11:03 am-12:30 pm

3 stops33h 27m

Sydney Kingsford Smith

mer. 3/19

2:00 pm-9:02 am

3 stops34h 02m

$997

MiamiSydney

MIA - SYD

MIASYD

Miami

mar. 5/27

8:41 am-6:55 am

1 stop32h 14m

Sydney Kingsford Smith

mer. 6/11

9:30 am-8:42 pm

2 stops25h 12m

$1,203

MiamiSydney

MIA - SYD

MIASYD

Miami

sam. 4/12

7:00 pm-11:45 am

2 stops26h 45m

Sydney Kingsford Smith

mar. 4/22

6:15 am-9:39 pm

2 stops29h 24m

$1,204

MiamiSydney

MIA - SYD

MIASYD

Miami

sam. 3/1

9:30 am-9:00 am

1 stop31h 30m

Sydney Kingsford Smith

ven. 3/14

11:15 am-6:36 pm

1 stop22h 21m

$1,320

MiamiSydney

MIA - SYD

MIASYD

Miami

mer. 2/5

7:15 pm-7:45 pm

2 stops32h 30m

Sydney Kingsford Smith

dim. 2/9

9:40 pm-4:55 pm

1 stop35h 15m

$1,336

MiamiSydney

MIA - SYD

MIASYD

Miami

dim. 6/8

8:00 am-7:20 am

2 stops33h 20m

Sydney Kingsford Smith

dim. 6/22

9:20 am-12:41 pm

2 stops41h 21m

$1,423

MiamiSydney

MIA - SYD

MIASYD

Miami

lun. 3/10

5:51 pm-9:00 am

1 stop24h 09m

Sydney Kingsford Smith

mer. 4/30

5:35 pm-5:39 am

1 stop26h 04m

$1,449

MiamiSydney

MIA - SYD

MIASYD

Miami

mer. 4/23

4:48 pm-6:55 am

1 stop24h 07m

Sydney Kingsford Smith

mar. 5/6

11:50 am-10:29 pm

2 stops24h 39m

$1,528

MiamiSydney

MIA - SYD

MIASYD

Miami

ven. 4/4

10:35 am-8:10 pm

2 stops42h 35m

Sydney Kingsford Smith

ven. 4/18

9:05 pm-8:20 pm

2 stops37h 15m

$1,535

MiamiSydney

MIA - SYD

MIASYD

Miami

jeu. 5/1

7:40 pm-5:10 pm

1 stop31h 30m

Sydney Kingsford Smith

lun. 5/5

8:45 pm-4:50 pm

1 stop34h 05m

$1,747

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 23 results
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Best time to book a flight from Key Largo to Sydney

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

Travel insights for flights from Key Largo to Sydney

Get recent, data-driven insights about flights from Key Largo to Sydney including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Sydney. Price data was last updated on January 17, 2025.

The best time to book flights from Key Largo to Sydney is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Key Largo to Sydney?

Currently, February is the cheapest month in which you can book a flight from Key Largo to Sydney (average of $1,051). Flying from Key Largo to Sydney in December is currently the most expensive (average of $1,643). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Key Largo to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated janvier 21, 2025.

When flying from Key Largo to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Key Largo to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Sydney. Price data was last updated on March 31, 2024.

Travelers seeking maximum savings on their Key Largo to Sydney flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated janvier 21, 2025.
Read through reviews of airlines operating flights from Key Largo to Sydney, such as Fiji Airways, Qantas Airways and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,449 reviews

Food

7.7

Comfort

8.2

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very good
1,449 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Food

7.7

Comfort

8.2

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

China Airlines
8.2
Very good
737 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Food

7.7

Comfort

8.2

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Emirates
8.1
Very good
3,358 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Food

7.7

Comfort

8.2

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Fiji Airways
8.1
Very good
188 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Food

7.7

Comfort

8.2

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Delta
8.0
Very good
8,521 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Food

7.7

Comfort

8.2

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Sydney. 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 into for flights to Sydney from Key Largo?

    If you book a flight to Sydney from Key Largo, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Key Largo to Kingsford Smith per day from 6 different airlines.

  • What are the cheapest airlines to fly from Key Largo to Sydney one-way?

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $632. However, be on the lookout for offers from Alaska Airlines and Air New Zealand, as they are both options that can get you from Key Largo to Sydney for a low price.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Key Largo to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Key Largo to Sydney (average of $1,051). Flying from Key Largo to Sydney in December is currently the most expensive (average of $1,643). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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Top 6 airlines flying from Key Largo to Sydney

Discover the top 6 airlines that operate flights from Key Largo to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janvier 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$346Average$1,605FlexibilityNo cancel feeOn-time71%
DeltaCheapest$851Average$1,289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$852Average$1,467FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$1,160Average$1,521FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,308Average$1,461FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,312Average$2,500FlexibilityNo cancel feeOn-time74%
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