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$1,042+ Cheap flights to Key Largo

— MIA
24 Sep — 1 Oct1
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

Mon 19/1010:20 -
1 stop21h 54m
Thu 29/1008:00 -
2 stops33h 35m
Deal found 21/8$1,226
Mon 5/1010:20 -
3 stops50h 57m
Mon 19/1018:10 -
1 stop23h 10m
Deal found 24/8$1,244
Mon 28/909:20 -
1 stop21h 54m
Tue 27/1008:00 -
3 stops33h 35m
Deal found 24/8$1,256

Find flight deals to Key Largo

Return from

$1,226

One-way from

$1,042

Popular in

January

Cheapest in

February

Average price

$1,750
Air Canada
  • Air Canada
  • 19/10-29/10
  • 3 total stops
  • 55h 29m total
  • Sydney to Miami
Search Deals
5/11
  • 5/11
  • 3 total stops
  • 36h 26m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($188 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

3 stops50h 57m

Miami

Mon 19/10

21:45-08:20

2 stops43h 35m

$1,265

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 15/10

10:20-22:17

3 stops50h 57m

Miami

Mon 26/10

08:00-08:35

2 stops33h 35m

$1,330

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Wed 4/11

11:20-07:33

1 stop36h 13m

Miami

Sun 8/11

16:45-06:55

1 stop22h 10m

$1,658

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 15/10

10:10-21:55

1 stop26h 45m

Miami

Mon 26/10

17:49-09:00

2 stops24h 11m

$1,905
Fastest return journey

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Sun 20/9

09:10-16:04

1 stop20h 54m

Miami

Sun 27/9

15:30-07:05

2 stops25h 35m

$1,973

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 24/12

13:20-23:44

2 stops26h 24m

Miami

Wed 13/1

11:25-06:20

2 stops26h 55m

$2,547

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Fri 4/12

11:50-21:52

3 stops26h 02m

Miami

Sun 3/1

11:58-09:20

2 stops29h 22m

$2,617

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Sun 20/12

21:50-18:33

2 stops36h 43m

Miami

Mon 1/2

17:55-09:00

1 stop23h 05m

$2,670

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 5/10

17:30-04:54

2 stops26h 24m

Miami

Mon 19/10

15:30-08:00

2 stops25h 30m

$2,962

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Sat 26/12

13:20-15:26

1 stop42h 06m

Miami

Mon 4/1

08:57-06:20

1 stop29h 23m

$2,982

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 20 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 24 hours 29 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 $1,168
Air New Zealand
Air New Zealand
From $1,416
American Airlines
American Airlines
From $1,546
United Airlines
United Airlines
From $752

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
664 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

7.9

Entertainment

7.4

Crew

8.5

Boarding

8.2

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
664 reviews
Air New Zealand
8.0
Very Good
664 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

7.9

Entertainment

7.4

Crew

8.5

Boarding

8.2

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
1,085 reviews
Air New Zealand
8.0
Very Good
664 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

7.9

Entertainment

7.4

Crew

8.5

Boarding

8.2

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
10,125 reviews
Air New Zealand
8.0
Very Good
664 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

7.9

Entertainment

7.4

Crew

8.5

Boarding

8.2

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
11,995 reviews
Air New Zealand
8.0
Very Good
664 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

7.9

Entertainment

7.4

Crew

8.5

Boarding

8.2

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
11,539 reviews
Air New Zealand
8.0
Very Good
664 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

7.9

Entertainment

7.4

Crew

8.5

Boarding

8.2

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, United Airlines 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 $225, however they can be found for as little as $209.

  • 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 40 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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