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$518+ Cheap flights from Key Largo, FL to Australia

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Key Largo to Australia

Keep the following information in mind while searching for Key Largo to Australia flight deals. Data was last updated June 12, 2025.

Round-trip from

$1,210
(oojo)

One-way from

$518
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,333
From Key Largo to Australia
Search Deals
One-way flight from Key Largo to Australia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($338 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Key Largo to Australia

Cheapest flights from Key Largo to Australia
Explore the most affordable flight options available from Key Largo to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This oojo deal was found by Cheapflights users on 6/11. 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.
Sat 11/17:00 pmMIA - SYD
2 stops26h 30mFiji Airways
Sat 11/82:30 pmSYD - MIA
2 stops22h 51mFiji Airways
Deal found 6/11$1,202
This oojo deal was found by Cheapflights users on 6/10. 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.
Tue 10/217:00 pmMIA - BNE
2 stops25h 25mFiji Airways
Tue 1/2011:25 amBNE - MIA
2 stops25h 06mFiji Airways
Deal found 6/10$1,210
This oojo deal was found by Cheapflights users on 6/11. 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.
Wed 9/34:35 pmMIA - SYD
2 stops36h 45mMultiple Airlines
Tue 9/169:00 amSYD - MIA
2 stops26h 53mMultiple Airlines
Deal found 6/11$1,228
This oojo deal was found by Cheapflights users on 6/11. 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.
Wed 11/269:00 amMIA - SYD
2 stops31h 45mAir New Zealand
Sun 12/1411:45 amSYD - MIA
2 stops26h 05mAir New Zealand
Deal found 6/11$1,302
This Gurufare deal was found by Cheapflights users on 6/10. 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.
Fri 8/812:06 pmMIA - MEL
2 stops32h 44mAir New Zealand
Tue 8/198:35 amMEL - MIA
2 stops27h 40mAir New Zealand
Deal found 6/10$1,321
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:00 amMIA - BNE
2 stops33h 55mAir New Zealand
Wed 2/258:20 amBNE - MIA
2 stops26h 35mAir New Zealand
Deal found 6/11$1,325
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Wed 11/126:25 pmMIA - BNE
1 stop23h 15mAir Canada
Wed 2/2510:45 amBNE - MIA
1 stop21h 37mAir Canada
Deal found 6/11$1,342
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Wed 11/1211:55 amMIA - BNE
2 stops29h 45mMultiple Airlines
Wed 2/256:35 amBNE - MIA
3 stops32h 42mMultiple Airlines
Deal found 6/11$1,371
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/312:32 pmMIA - MEL
3 stops33h 43mMultiple Airlines
Sat 7/191:40 pmMEL - MIA
3 stops35h 09mMultiple Airlines
Deal found 6/10$1,397
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/306:31 pmMIA - SYD
2 stops59h 14mAlaska Airlines
Fri 10/179:40 pmSYD - MIA
2 stops34h 46mAlaska Airlines
Deal found 6/11$1,474
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/29:40 pmMIA - SYD
2 stops43h 40mAir Canada
Fri 8/159:20 amSYD - MIA
1 stop22h 00mAir Canada
Deal found 6/11$1,478
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 7/2711:11 amMIA - OOL
3 stops33h 34mMultiple Airlines
Sun 8/311:55 amOOL - MIA
3 stops31h 43mMultiple Airlines
Deal found 6/11$1,515

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Australia 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 June 12, 2025.
Use the filters below to find and compare flights from Key Largo to Australia that are best for you.

Fly from

Key Largo

Fly to

Australia

Route

Depart

Return

Price

MiamiSydney

MIA - SYD

MIASYD

Miami

Sat 11/1

7:00 pm-12:30 pm

2 stops26h 30m

Sydney Kingsford Smith

Sat 11/8

2:30 pm-9:21 pm

2 stops22h 51m

$1,202

MiamiBrisbane

MIA - BNE

MIABNE

Miami

Tue 10/21

7:00 pm-10:25 am

2 stops25h 25m

Brisbane

Tue 1/20

11:25 am-9:31 pm

2 stops25h 06m

$1,210

MiamiSydney

MIA - SYD

MIASYD

Miami

Wed 9/3

4:35 pm-7:20 pm

2 stops36h 45m

Sydney Kingsford Smith

Tue 9/16

9:00 am-9:53 pm

2 stops26h 53m

$1,228

MiamiSydney

MIA - SYD

MIASYD

Miami

Wed 11/26

9:00 am-8:45 am

2 stops31h 45m

Sydney Kingsford Smith

Sun 12/14

11:45 am-9:50 pm

2 stops26h 05m

$1,302

MiamiMelbourne

MIA - MEL

MIAMEL

Miami

Fri 8/8

12:06 pm-10:50 am

2 stops32h 44m

Melbourne

Tue 8/19

8:35 am-10:15 pm

2 stops27h 40m

$1,321

MiamiBrisbane

MIA - BNE

MIABNE

Miami

Wed 11/12

9:00 am-9:55 am

2 stops33h 55m

Brisbane

Wed 2/25

8:20 am-7:55 pm

2 stops26h 35m

$1,325

MiamiBrisbane

MIA - BNE

MIABNE

Miami

Wed 11/12

6:25 pm-8:40 am

1 stop23h 15m

Brisbane

Wed 2/25

10:45 am-5:22 pm

1 stop21h 37m

$1,342

MiamiBrisbane

MIA - BNE

MIABNE

Miami

Wed 11/12

11:55 am-8:40 am

2 stops29h 45m

Brisbane

Wed 2/25

6:35 am-12:17 am

3 stops32h 42m

$1,371

MiamiMelbourne

MIA - MEL

MIAMEL

Miami

Thu 7/3

12:32 pm-12:15 pm

3 stops33h 43m

Melbourne

Sat 7/19

1:40 pm-10:49 am

3 stops35h 09m

$1,397

MiamiSydney

MIA - SYD

MIASYD

Miami

Tue 9/30

6:31 pm-7:45 pm

2 stops59h 14m

Sydney Kingsford Smith

Fri 10/17

9:40 pm-5:26 pm

2 stops34h 46m

$1,474

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 50 results
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Best time to book a flight from Key Largo to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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.

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Key Largo to Australia (average of $1,041). Flying from Key Largo to Australia in December is currently the most expensive (average of $1,635). 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 AU?

Find hourly flight availability from Key Largo to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Australia by month

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

In terms of precipitation, rainfall in Australia 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 Australia when rainfall is around 2.0 in.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, 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 Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated June 12, 2025.
To help decide which airline to fly from Key Largo to Australia, see what other customers have to say about Air Tahiti Nui, Fiji Airways and Emirates. 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 Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Boarding

8.7

Crew

9.0

Entertainment

7.3

Comfort

8.1

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Boarding

8.7

Crew

9.0

Entertainment

7.3

Comfort

8.1

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Boarding

8.7

Crew

9.0

Entertainment

7.3

Comfort

8.1

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Emirates
8.1
Very good
3,264 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Boarding

8.7

Crew

9.0

Entertainment

7.3

Comfort

8.1

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very good
7,950 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Boarding

8.7

Crew

9.0

Entertainment

7.3

Comfort

8.1

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air New Zealand
8.0
Very good
483 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Boarding

8.7

Crew

9.0

Entertainment

7.3

Comfort

8.1

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Key Largo to Australia are Fiji Airways ($652), Air Canada ($717), and Qantas Airways ($964).

  • What are the most popular routes from Key Largo to Australia?

    The most popular flight routes from Key Largo to Australia are Miami - Sydney Kingsford Smith, Miami - Melbourne and Miami - Brisbane.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Australia 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 Australia?

    Currently, March is the cheapest month in which you can book a flight from Key Largo to Australia (average of $1,041). Flying from Key Largo to Australia in December is currently the most expensive (average of $1,635). 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

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Top 8 airlines flying from Key Largo to Australia

Discover the top 8 airlines that operate flights from Key Largo to Australia. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$306Average$306FlexibilityNo cancel feeOn-time62%
DeltaCheapest$413Average$1,203FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$850Average$1,432FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$864Average$1,429FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$899Average$1,836FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$946Average$1,274FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,047Average$2,137FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,081Average$1,698FlexibilityNo cancel feeOn-time78%

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