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$491+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SYD
apr. 5 — apr. 121
lø. 4/5
lø. 4/12
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 mars 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$945
(Air Canada)

One-way from

$491
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,310
Provider with most accurate pricing for Miami-Sydney Kingsford Smith flight deals.
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From Key Largo to Australia
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One-way flight from Key Largo to Australia
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Highest demand for flights based on searches. 19% potential increase in price ($360 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($81 potential savings vs. average RT price).
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Average for round-trip flights in March 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 mars 31, 2025.

This Air Canada deal was found by Cheapflights users on 3/29. 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.
ma. 11/31:55 pmMIA - SYD
2 stops51h 40mAir Canada
ma. 11/1011:20 amSYD - MIA
2 stops27h 17mAir Canada
Deal found 3/29$937
This Air Canada deal was found by Cheapflights users on 3/31. 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.
sø. 6/16:10 pmMIA - AVV
2 stops35h 55mMultiple Airlines
ti. 6/108:40 pmAVV - MIA
2 stops34h 30mMultiple Airlines
Deal found 3/31$1,089
This Air Canada deal was found by Cheapflights users on 3/31. 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.
sø. 6/16:10 pmMIA - MEL
2 stops28h 10mAir Canada
ti. 6/108:30 pmMEL - MIA
2 stops34h 40mAir Canada
Deal found 3/31$1,104
This Air Canada deal was found by Cheapflights users on 3/30. 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.
on. 6/1111:55 amMIA - MEL
3 stops33h 30mMultiple Airlines
on. 6/186:00 amMEL - MIA
2 stops25h 15mMultiple Airlines
Deal found 3/30$1,106
This Air Canada deal was found by Cheapflights users on 3/30. 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.
ma. 6/26:10 pmMIA - CBR
2 stops31h 40mMultiple Airlines
ti. 8/56:30 amCBR - MIA
3 stops42h 26mMultiple Airlines
Deal found 3/30$1,156
This Air Canada deal was found by Cheapflights users on 3/31. 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.
on. 11/196:25 pmMIA - BNE
1 stop23h 15mAir Canada
on. 3/189:45 amBNE - MIA
1 stop21h 37mAir Canada
Deal found 3/31$1,211
This oojo deal was found by Cheapflights users on 3/30. 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.
ti. 4/157:04 pmMIA - BNE
2 stops37h 31mFiji Airways
ti. 4/2211:40 amBNE - MIA
2 stops23h 59mFiji Airways
Deal found 3/30$1,242
This Fiji Airways deal was found by Cheapflights users on 3/29. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 5/205:30 pmMIA - BNE
2 stops26h 55mMultiple Airlines
to. 5/2911:40 amBNE - MIA
2 stops26h 58mMultiple Airlines
Deal found 3/29$1,265
This Mytrip deal was found by Cheapflights users on 3/30. 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.
ma. 5/198:59 amMIA - SYD
3 stops32h 21mMultiple Airlines
sø. 6/19:20 amSYD - MIA
3 stops34h 23mMultiple Airlines
Deal found 3/30$1,318
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 5/137:10 pmMIA - MEL
2 stops26h 20mFiji Airways
ti. 5/2012:55 pmMEL - MIA
2 stops23h 51mFiji Airways
Deal found 3/30$1,324
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 8/127:55 pmMIA - SYD
2 stops36h 15mFiji Airways
on. 8/271:15 pmSYD - MIA
2 stops30h 45mFiji Airways
Deal found 3/30$1,540
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 8/1310:35 amMIA - SYD
2 stops42h 25mTurkish Airlines
fr. 8/298:55 pmSYD - MIA
2 stops48h 15mTurkish Airlines
Deal found 3/30$1,545

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 mars 31, 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

ma. 5/12

7:55 am-7:20 am

2 stops33h 25m

Sydney Kingsford Smith

ma. 5/26

9:20 am-1:18 pm

2 stops41h 58m

$945

MiamiMelbourne

MIA - AVV

MIAAVV

Miami

sø. 6/1

6:10 pm-8:05 pm

2 stops35h 55m

Melbourne Avalon

ti. 6/10

8:40 pm-5:10 pm

2 stops34h 30m

$1,089

MiamiMelbourne

MIA - MEL

MIAMEL

Miami

sø. 6/1

6:10 pm-12:20 pm

2 stops28h 10m

Melbourne

ti. 6/10

8:30 pm-5:10 pm

2 stops34h 40m

$1,104

MiamiMelbourne

MIA - MEL

MIAMEL

Miami

on. 6/11

11:55 am-11:25 am

3 stops33h 30m

Melbourne

on. 6/18

6:00 am-5:15 pm

2 stops25h 15m

$1,106

MiamiCanberra

MIA - CBR

MIACBR

Miami

ma. 6/2

6:10 pm-3:50 pm

2 stops31h 40m

Canberra

ti. 8/5

6:30 am-10:56 am

3 stops42h 26m

$1,156

MiamiBrisbane

MIA - BNE

MIABNE

Miami

ti. 4/15

7:04 pm-10:35 pm

2 stops37h 31m

Brisbane

ti. 4/22

11:40 am-9:39 pm

2 stops23h 59m

$1,242

MiamiBrisbane

MIA - BNE

MIABNE

Miami

ti. 5/20

5:30 pm-10:25 am

2 stops26h 55m

Brisbane

to. 5/29

11:40 am-12:38 am

2 stops26h 58m

$1,265

MiamiSydney

MIA - SYD

MIASYD

Miami

ma. 5/19

8:59 am-7:20 am

3 stops32h 21m

Sydney Kingsford Smith

sø. 6/1

9:20 am-5:43 am

3 stops34h 23m

$1,318

MiamiMelbourne

MIA - MEL

MIAMEL

Miami

ti. 5/13

7:10 pm-11:30 am

2 stops26h 20m

Melbourne

ti. 5/20

12:55 pm-10:46 pm

2 stops23h 51m

$1,324

MiamiBrisbane

MIA - BNE

MIABNE

Miami

on. 5/14

6:10 pm-7:05 am

1 stop22h 55m

Brisbane

on. 5/21

10:00 am-1:18 pm

2 stops41h 18m

$1,435

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Key Largo to Australia (average of $1,046). Flying from Key Largo to Australia 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 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 mars 31, 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 mars 31, 2025.
To help decide which airline to fly from Key Largo to Australia, see what other customers have to say about Korean Air, 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.
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,051 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Fiji Airways
8.0
Very good
180 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,192 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
8.0
Very good
9,818 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air New Zealand
8.0
Very good
459 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 ($646), Alaska Airlines ($838), and Cathay Pacific ($881).

  • 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 - Melbourne Avalon.

  • 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, February is the cheapest month in which you can book a flight from Key Largo to Australia (average of $1,046). Flying from Key Largo to Australia 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

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See prices for flight routes from nearby airports that may be better suited for you.
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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 mars 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$1,703FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$306Average$306FlexibilityNo cancel feeOn-time62%
DeltaCheapest$851Average$1,222FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$864Average$1,413FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$946Average$1,305FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$997Average$2,181FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$1,191Average$1,401FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,260Average$1,644FlexibilityNo cancel feeOn-time78%
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