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Cheap flights from Australia to Key Largo from $732

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

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 14 January 2026.

Round-trip from

$1,517

One-way from

$732

Popular in

January

Cheapest in

February

Average price

$2,608
Air New Zealand
  • Air New Zealand
  • 2/2-9/2
  • 4 total stops
  • 61h 39m total
  • Australia to Key Largo
Search Deals
1/3
  • 1/3
  • 3 total stops
  • 36h 33m total
  • Australia to Key Largo
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($305 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($78 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Australia to Key Largo

Enter your travel dates to find the best prices.

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 14 January 2026.

Mon 2/208:35
MEL
-
MIA
2 stops29h 19m
Air New Zealand
Mon 9/209:05
MIA
-
MEL
2 stops32h 20m
Air New Zealand
Deal found 12/1$1,517
Mon 9/211:45
SYD
-
MIA
2 stops36h 06m
Air New Zealand
Mon 23/206:15
MIA
-
SYD
2 stops34h 30m
Air New Zealand
Deal found 13/1$1,530
Thu 19/209:55
SYD
-
MIA
2 stops28h 04m
Air New Zealand
Mon 23/310:22
MIA
-
SYD
2 stops31h 23m
Air New Zealand
Deal found 11/1$1,536
Thu 26/210:55
OOL
-
MIA
2 stops26h 04m
Air New Zealand
Thu 5/318:02
MIA
-
OOL
2 stops48h 43m
Air New Zealand
Deal found 12/1$1,566
Thu 19/212:10
MEL
-
MIA
2 stops25h 49m
Air New Zealand
Thu 5/316:40
MIA
-
MEL
2 stops26h 15m
Air New Zealand
Deal found 12/1$1,585
Wed 4/211:45
SYD
-
MIA
2 stops36h 06m
Air New Zealand
Thu 19/213:00
MIA
-
SYD
2 stops27h 45m
Air New Zealand
Deal found 12/1$1,587
Sat 25/411:55
SYD
-
MIA
2 stops24h 33m
Air New Zealand
Mon 11/510:50
MIA
-
SYD
2 stops31h 55m
Air New Zealand
Deal found 13/1$1,593
Fri 27/210:45
BNE
-
MIA
3 stops28h 14m
Multiple Airlines
Fri 6/306:02
MIA
-
BNE
3 stops35h 43m
Multiple Airlines
Deal found 13/1$1,594
Wed 28/1010:35
MEL
-
MIA
2 stops26h 15m
Air New Zealand
Mon 2/1108:45
MIA
-
MEL
2 stops32h 40m
Air New Zealand
Deal found 13/1$1,638
Mon 2/210:35
MEL
-
MIA
2 stops27h 19m
Air New Zealand
Thu 5/216:51
MIA
-
MEL
2 stops26h 04m
Air New Zealand
Deal found 13/1$1,656
Fri 6/209:55
SYD
-
MIA
2 stops27h 59m
Air New Zealand
Thu 19/213:00
MIA
-
SYD
2 stops27h 45m
Air New Zealand
Deal found 12/1$1,665
Mon 4/508:35
MEL
-
MIA
2 stops27h 52m
Air New Zealand
Sat 30/509:00
MIA
-
MEL
2 stops35h 55m
Air New Zealand
Deal found 11/1$1,666

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 14 January 2026.
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

Thu 19/2

09:55-21:59

2 stops28h 04m

Miami

Mon 23/3

10:22-08:45

2 stops31h 23m

$1,536

CoolangattaMiami

OOL - MIA

OOLMIA

Coolangatta Gold Coast

Thu 26/2

10:55-21:59

2 stops26h 04m

Miami

Thu 5/3

18:02-09:45

2 stops48h 43m

$1,566

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 4/2

11:45-07:51

2 stops36h 06m

Miami

Thu 19/2

13:00-08:45

2 stops27h 45m

$1,587

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sun 8/2

13:55-07:51

2 stops33h 56m

Miami

Thu 19/2

06:15-08:45

2 stops34h 30m

$1,633

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Mon 2/2

10:35-21:54

2 stops27h 19m

Miami

Mon 9/2

06:20-09:25

2 stops35h 05m

$1,636

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Mon 4/5

08:35-22:27

2 stops27h 52m

Miami

Sat 30/5

09:00-10:55

2 stops35h 55m

$1,666

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Thu 5/2

09:40-07:13

2 stops36h 33m

Miami

Mon 9/2

09:15-06:30

1 stop30h 15m

$1,708

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Wed 28/1

09:40-07:15

2 stops36h 35m

Miami

Wed 25/2

11:40-05:00

2 stops26h 20m

$1,708

BrisbaneMiami

BNE - MIA

BNEMIA

Brisbane

Sun 1/2

09:40-07:15

2 stops36h 35m

Miami

Wed 4/2

13:40-05:00

2 stops24h 20m

$1,709

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 9/3

11:20-11:25

2 stops39h 05m

Miami

Mon 16/3

08:00-08:35

2 stops33h 35m

$1,751

Flights are sorted by cheapest return flights first.

Deals found on 13/1

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, September is the cheapest month in which you can book a flight from Australia to Key Largo (average of $746). Flying from Australia to Key Largo in July is currently the most expensive (average of $1,332). 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.

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 14 January 2026.
Check out reviews from past customers who have flown with Air New Zealand, Qantas Airways, andQatar Airways from Australia to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
570 reviews
Check prices

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Air New Zealand
8.0
Very Good
570 reviews
Air New Zealand
8.0
Very Good
570 reviews
Check prices

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Qantas Airways
7.5
Good
971 reviews
Air New Zealand
8.0
Very Good
570 reviews
Check prices

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Qatar Airways
7.4
Good
3,715 reviews
Air New Zealand
8.0
Very Good
570 reviews
Check prices

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
United Airlines
7.4
Good
9,157 reviews
Air New Zealand
8.0
Very Good
570 reviews
Check prices

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Air Canada
7.1
Good
10,620 reviews
Air New Zealand
8.0
Very Good
570 reviews
Check prices

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

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.

  • How long is the flight from Australia to Key Largo?

    Departing from Australia to Key Largo will take you 28h 04m. There are 15012 km between Australia and Key Largo. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $469. Users have also found prices from $850 and $1,045 on Air New Zealand and Air Canada, respectively.

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

    Most travellers choose Melbourne - Miami, Sydney Kingsford Smith - Miami or Brisbane - 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, September is the cheapest month in which you can book a flight from Australia to Key Largo (average of $746). Flying from Australia to Key Largo in July is currently the most expensive (average of $1,332). 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 8 airlines flying from Australia to Key Largo

Discover the top 8 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 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,116Average$1,175FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air New ZealandCheapest$1,136Average$1,806FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,195Average$1,938FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,213Average$1,832FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,251Average$2,360FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Virgin AustraliaCheapest$1,520Average$2,841FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
American AirlinesCheapest$1,655Average$2,493FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qatar AirwaysCheapest$2,001Average$2,443FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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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