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Cheap flights from Australia to Key Largo from $819

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
31 Mar — 7 Apr1
1 adult

Cheap flight deals from Australia to Key Largo

Keep the following information in mind while searching for Australia to Key Largo flight deals. Data was last updated 26 March 2025.

Round-trip from

$1,578

One-way from

$819

Popular in

December

Cheapest in

March

Average price

$1,854
Air Canada
  • Air Canada
  • 2/6-8/6
  • 3 total stops
  • 65h 35m total
  • Australia to Key Largo
Search Deals
9/5
  • 9/5
  • 2 total stops
  • 45h 53m total
  • Australia to Key Largo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($495 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($135 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Australia to Key Largo

Cheapest flights from Australia to Key Largo
Explore the most affordable flight options available from Australia to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Wed 5/1111:20SYD - MIA
2 stops40h 21mAir Canada
Thu 27/1118:25MIA - SYD
2 stops34h 15mAir Canada
Deal found 25/3$1,514
Tue 20/510:20BNE - MIA
2 stops40h 58mAir Canada
Mon 26/507:55MIA - BNE
2 stops33h 10mAir Canada
Deal found 25/3$1,581
Tue 6/511:55MEL - MIA
1 stop32h 05mAmerican Airlines
Tue 27/515:42MIA - MEL
1 stop23h 18mAmerican Airlines
Deal found 25/3$1,681
Sat 11/1019:45BNE - MIA
2 stops35h 35mMultiple Airlines
Mon 27/1007:50MIA - BNE
2 stops33h 50mMultiple Airlines
Deal found 24/3$1,684
Thu 24/409:10SYD - MIA
1 stop34h 29mAmerican Airlines
Wed 7/517:30MIA - SYD
1 stop23h 25mAmerican Airlines
Deal found 26/3$1,709
Mon 28/420:05BNE - MIA
1 stop24h 37mQantas Airways
Mon 12/517:10MIA - BNE
1 stop22h 15mQantas Airways
Deal found 26/3$1,709
Mon 17/1107:10MEL - MIA
2 stops26h 12mAir Canada
Mon 5/118:25MIA - MEL
2 stops29h 20mAir Canada
Deal found 24/3$1,717
Sat 11/1020:05BNE - MIA
2 stops37h 50mAmerican Airlines
Mon 27/1021:30MIA - BNE
1 stop43h 00mAmerican Airlines
Deal found 24/3$1,746
Mon 28/420:05BNE - MIA
2 stops23h 55mBritish Airways
Mon 12/509:05MIA - BNE
2 stops30h 20mBritish Airways
Deal found 26/3$1,751
Thu 24/409:10SYD - MIA
1 stop25h 08mQantas Airways
Tue 13/507:33MIA - SYD
1 stop32h 32mQantas Airways
Deal found 25/3$1,773
Thu 12/611:55MEL - MIA
1 stop22h 30mQantas Airways
Thu 26/614:08MIA - MEL
1 stop26h 37mQantas Airways
Deal found 25/3$1,776
Wed 7/510:30BNE - MIA
2 stops27h 16mUnited Airlines
Wed 21/513:05MIA - BNE
2 stops27h 25mUnited Airlines
Deal found 26/3$1,792

Cheapflights Fare Finder

Customise your flight search to find flights from Australia to Key Largo 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 26 March 2025.
Use the filters below to find and compare flights from Australia to Key Largo that are best for you.

Fly from

Australia

Fly to

Key Largo

Route

Depart

Return

Price

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 21/5

09:20-13:18

2 stops41h 58m

Miami

Wed 28/5

07:55-07:20

2 stops57h 25m

$1,575

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Tue 20/5

10:20-13:18

2 stops40h 58m

Miami

Mon 26/5

07:55-07:05

2 stops33h 10m

$1,581

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Tue 6/5

11:55-06:00

1 stop32h 05m

Miami

Tue 27/5

15:42-05:00

1 stop23h 18m

$1,681

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Mon 28/4

20:05-06:42

1 stop24h 37m

Miami

Mon 12/5

17:10-05:25

1 stop22h 15m

$1,709

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 24/4

09:10-05:39

1 stop34h 29m

Miami

Wed 7/5

17:30-06:55

1 stop23h 25m

$1,709

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Mon 28/4

20:05-06:00

2 stops23h 55m

Miami

Mon 12/5

09:05-05:25

2 stops30h 20m

$1,751

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Mon 12/5

20:05-07:40

1 stop25h 35m

Miami

Wed 28/5

17:10-05:25

1 stop22h 15m

$1,754

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 24/4

09:10-20:18

1 stop25h 08m

Miami

Tue 13/5

07:33-06:05

1 stop32h 32m

$1,773

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Thu 12/6

11:55-20:25

1 stop22h 30m

Miami

Thu 26/6

14:08-06:45

1 stop26h 37m

$1,776

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Tue 20/5

20:05-07:40

1 stop25h 35m

Miami

Mon 26/5

14:00-05:25

1 stop25h 25m

$1,787

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 60 results
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Best time to book a flight from Australia to Key Largo

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

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Australia to Key Largo (average of $1,295). Flying from Australia to Key Largo in December is currently the most expensive (average of $2,094). 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 AU to KE9?

Find hourly flight availability from Australia to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

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

Rainfall in Key Largo by month

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

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.

Temperature in Key Largo by month

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

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).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 26 March 2025.
See what other customers who have flown with Air Tahiti Nui, Japan Airlines and Fiji Airways from Australia to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Comfort

8.0

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
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Comfort

8.0

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.
Japan Airlines
8.3
Very Good
1,440 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Comfort

8.0

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
8.0
Very Good
182 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Comfort

8.0

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
8.0
Very Good
3,190 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Comfort

8.0

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
7,891 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Comfort

8.0

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

    For one-way options, check prices for Japan Airlines. According to our data, you can fly for as low as $1,275. Users have also found prices from $1,536 and $1,548 on Qantas Airways and Qatar Airways, respectively.

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

    Most travellers choose Sydney Kingsford Smith - Miami, Brisbane - Miami or Melbourne - Miami when deciding on the best route from Australia to Key Largo.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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.

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

    Currently, March is the cheapest month in which you can book a flight from Australia to Key Largo (average of $1,295). Flying from Australia to Key Largo in December is currently the most expensive (average of $2,094). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Australia to Key Largo

Discover the top 10 airlines that operate flights from Australia to Key Largo. 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 647,157 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,183Average$1,569FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,283Average$2,079FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,378Average$2,627FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,542Average$2,926FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,654Average$2,384FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,759Average$2,502FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,877Average$2,909FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Japan AirlinesCheapest$2,035Average$2,561FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Singapore AirlinesCheapest$2,081Average$2,358FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Hawaiian AirlinesCheapest$2,171Average$2,241FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Australia.

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

Certainly. Search results for flights to Key Largo from Australia 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 Australia to Key Largo become cheaper?

Not ready to book yet? You can track prices for flights from Australia to Key Largo on Cheapflights with our Price Alert feature and get notified when better prices are available.

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