Cheap flights from Melbourne to Key Largo from $871

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — MIA
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from Melbourne to Key Largo are usually found in March or August, booked 74 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Melbourne to Key Largo

Keep the following information in mind while searching for Melbourne to Key Largo flight deals. Data was last updated 2 September 2025.

Round-trip from

$1,544

One-way from

$871

Popular in

January

Cheapest in

March

Average price

$2,321
United Airlines
  • United Airlines
  • 29/9-15/10
  • 4 total stops
  • 53h 52m total
  • Melbourne to Key Largo
17/10
  • 17/10
  • 3 total stops
  • 34h 26m total
  • Melbourne to Key Largo
Highest demand for flights based on searches. 12% potential increase in price ($579 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($123 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Melbourne to Key Largo

Cheapest flights from Melbourne to Key Largo
Explore the most affordable flight options available from Melbourne to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Tue 9/906:00MEL - MIA
3 stops29h 34mMultiple Airlines
Tue 16/911:50MIA - MEL
3 stops33h 15mMultiple Airlines
Deal found 2/9$1,429
Mon 29/910:55MEL - MIA
2 stops25h 50mUnited Airlines
Wed 15/1016:56MIA - MEL
2 stops24h 34mUnited Airlines
Deal found 2/9$1,544
Mon 8/920:50MEL - MIA
3 stops38h 44mMultiple Airlines
Mon 3/1118:40MIA - MEL
2 stops30h 00mMultiple Airlines
Deal found 2/9$1,579
Wed 15/1008:35MEL - MIA
2 stops27h 38mAir New Zealand
Wed 22/1012:06MIA - MEL
2 stops31h 44mAir New Zealand
Deal found 31/8$1,610
Fri 17/1006:10MEL - MIA
2 stops26h 10mMultiple Airlines
Fri 24/1021:45MIA - MEL
3 stops47h 50mMultiple Airlines
Deal found 2/9$1,625
Wed 15/1010:30MEL - MIA
2 stops25h 43mUnited Airlines
Wed 22/1016:56MIA - MEL
2 stops25h 19mUnited Airlines
Deal found 31/8$1,642
Mon 8/910:55MEL - MIA
2 stops25h 20mUnited Airlines
Mon 3/1107:00MIA - MEL
2 stops34h 30mUnited Airlines
Deal found 31/8$1,651

Cheapflights Fare Finder

 
Customise your flight search to find flights from Melbourne 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 2 September 2025.
Use the filters below to find and compare flights from Melbourne to Key Largo that are best for you.

Fly from

Melbourne

Fly to

Key Largo

Route

Depart

Return

Price

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Mon 29/9

10:55-22:45

2 stops25h 50m

Miami

Wed 15/10

13:28-08:30

2 stops28h 02m

$1,544

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Fri 17/10

06:10-17:20

2 stops26h 10m

Miami

Fri 24/10

18:20-15:40

2 stops30h 20m

$1,550

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Wed 15/10

08:35-21:13

2 stops27h 38m

Miami

Wed 22/10

12:06-10:50

2 stops31h 44m

$1,610

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Wed 15/10

10:30-21:13

2 stops25h 43m

Miami

Wed 22/10

16:56-09:15

2 stops25h 19m

$1,642

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Fri 17/10

14:30-09:56

3 stops34h 26m

$871

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Wed 15/10

07:30-17:29

3 stops48h 59m

$993

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Sat 1/11

07:00-17:39

2 stops25h 39m

$1,058

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Thu 11/9

09:45-00:12

2 stops28h 27m

$1,081

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Thu 30/10

21:40-18:26

3 stops59h 46m

$1,105

MelbourneMiami

MEL - MIA

MELMIA

Melbourne

Fri 5/12

23:55-10:23

3 stops50h 28m

$1,121

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 11 results
1
2

Best time to book a flight from Melbourne to Key Largo

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

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

Use this chart to determine the optimal time to book a return flight from Melbourne to Key Largo. Price data was last updated on 29 August 2025.

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Melbourne to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Melbourne to Key Largo (average of $1,268). Flying from Melbourne to Key Largo in December is currently the most expensive (average of $2,137). 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 MEL to KE9?

Find hourly flight availability from Melbourne 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 2 September 2025.

When flying from Melbourne to Key Largo, 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 Melbourne to Key Largo?

Use this chart to determine the cheapest time to fly return from Melbourne to Key Largo. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Melbourne to Key Largo flight should consider departing on Thursday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 2 September 2025.
Read through reviews of airlines operating flights from Melbourne to Key Largo, such as Air New Zealand, Qantas Airways, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.3

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Food

7.3

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Food

7.3

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Food

7.3

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Food

7.3

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Food

7.3

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

Find useful and relevant information for your journey from Melbourne 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 Melbourne to Key Largo?

    For as low as $1,544, United Airlines can have you in Key Largo from Melbourne in 25h 50m. Melbourne and Key Largo are separated by a distance of 15583 km.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Melbourne to Key Largo (average of $1,268). Flying from Melbourne to Key Largo in December is currently the most expensive (average of $2,137). 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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Top 8 airlines flying from Melbourne to Key Largo

Discover the top 8 airlines that operate flights from Melbourne 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 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,268Average$2,327FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,432Average$1,998FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,536Average$1,989FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,571Average$2,883FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,851Average$2,533FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Japan AirlinesCheapest$1,966Average$2,606FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$2,174Average$2,472FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qatar AirwaysCheapest$2,203Average$2,613FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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

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

Yes, Cheapflights offers price alerts on Melbourne to Key Largo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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