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$968+ Cheap flights to Key Largo

— MIA
18 Sep — 25 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Key Largo in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Key Largo

Wed 9/913:15 -
3 stops40h 09m
Wed 23/905:50 -
3 stops40h 00m
Deal found 16/8$1,276
Mon 5/1014:15 -
3 stops35h 15m
Mon 19/1005:15 -
3 stops40h 35m
Deal found 16/8$1,314
Wed 30/909:20 -
1 stop21h 54m
Thu 12/1108:00 -
2 stops33h 35m
Deal found 15/8$1,361
Mon 5/1010:20 -
2 stops50h 57m
Mon 19/1018:10 -
1 stop23h 10m
Deal found 14/8$1,362
Mon 30/1111:20 -
2 stops41h 01m
Mon 7/1221:15 -
2 stops44h 20m
Deal found 15/8$1,372

Find flight deals to Key Largo

Return from

$1,276

One-way from

$968

Popular in

January

Cheapest in

February

Average price

$1,738
9/9-23/9
  • 9/9-23/9
  • 6 total stops
  • 80h 09m total
  • Sydney to Miami
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30/9
  • 30/9
  • 2 total stops
  • 29h 16m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($192 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($52 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Key Largo that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 5/10

10:20-22:17

2 stops50h 57m

Miami

Mon 19/10

18:10-08:20

1 stop23h 10m

$1,362

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Sun 8/11

11:20-12:16

2 stops40h 56m

Miami

Thu 26/11

13:25-09:35

2 stops28h 10m

$1,392

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 8/10

10:20-12:14

2 stops40h 54m

Miami

Fri 16/10

08:15-08:20

2 stops33h 05m

$1,397

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 28/9

09:20-22:17

2 stops50h 57m

Miami

Wed 14/10

13:10-08:20

2 stops28h 10m

$1,559

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 18/1

11:20-20:50

1 stop25h 30m

Miami

Sun 24/1

19:55-09:00

1 stop45h 05m

$2,206

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Tue 17/11

22:10-16:25

1 stop34h 15m

Miami

Mon 25/1

19:15-22:25

2 stops35h 10m

$2,364

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 1/10

20:45-10:30

3 stops27h 45m

Miami

Thu 8/10

05:15-18:50

3 stops46h 35m

$2,435
Fastest return journey

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Tue 29/9

09:10-16:04

1 stop20h 54m

Miami

Tue 6/10

13:45-08:05

1 stop27h 20m

$2,485
Cheapest one-way

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 27/8

20:45-04:52

3 stops46h 07m

$1,068

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 27/8

09:10-18:56

1 stop23h 46m

$1,086

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Key Largo

How long is the flight to Key Largo?

On average, a flight from Sydney to Key Largo takes 21 hours 56 minutes. Flights to Key Largo from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Key Largo?

The most popular airlines flying from Sydney to Key Largo are Qantas Airways, Air New Zealand and American Airlines.

Qantas Airways
Qantas Airways
From $1,177
Air New Zealand
Air New Zealand
From $1,412
American Airlines
American Airlines
From $1,559
United Airlines
United Airlines
From $758

What are the cheapest airlines that fly to Key Largo?

The cheapest airlines flying from Sydney to Key Largo are Air Canada, United Airlines and Air New Zealand.

Rainfall in Key Largo by month

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 mm 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

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

Read reviews from past customers who have flown Air New Zealand,Qantas Airways, andUnited Airlines to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
662 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
662 reviews
Air New Zealand
8.0
Very Good
662 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,083 reviews
Air New Zealand
8.0
Very Good
662 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
10,104 reviews
Air New Zealand
8.0
Very Good
662 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,965 reviews
Air New Zealand
8.0
Very Good
662 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,505 reviews
Air New Zealand
8.0
Very Good
662 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

FAQs about flying to Key Largo

  • Can I find cheaper flights to Key Largo if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Key Largo on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Key Largo?

    Based on reviews from Cheapflights users, Qantas Airways is rated the highest out of the airlines that fly to Key Largo.

  • How much is a return flight to Key Largo?

    A return flight to Key Largo will typically cost around $227, however they can be found for as little as $211.

  • Where does the fastest flight to Key Largo depart from?

    For those looking to save time traveling to Key Largo, Brisbane offers the quickest one-way flight (20 hours 20 minutes).

  • Does Miami have car hire?

    Yes. Those touching down at Miami can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Miami?

    Yes. Miami has hotels nearby for those requiring accommodations. Miami International Airport Hotel is the closest property to Miami (0.0 km away from Miami).

See more FAQs

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