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$1,072+ Cheap flights to Key Largo

— MIA
28 Sep — 5 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 5/1010:20 -
3 stops50h 57m
Mon 19/1018:10 -
1 stop23h 10m
Deal found 24/8$1,240
Thu 29/1010:20 -
2 stops40h 56m
Thu 12/1108:00 -
2 stops33h 35m
Deal found 24/8$1,242
Mon 28/909:20 -
1 stop21h 54m
Tue 27/1008:00 -
3 stops33h 35m
Deal found 24/8$1,251
Thu 1/1013:15 -
3 stops35h 15m
Wed 21/1005:50 -
3 stops40h 00m
Deal found 25/8$1,262
Mon 5/1014:15 -
3 stops35h 15m
Mon 19/1005:15 -
3 stops40h 35m
Deal found 28/8$1,310

Find flight deals to Key Largo

Return from

$1,240

One-way from

$1,072

Popular in

January

Cheapest in

February

Average price

$1,744
Air Canada
  • Air Canada
  • 5/10-19/10
  • 4 total stops
  • 74h 07m total
  • Sydney to Miami
Search Deals
26/10
  • 26/10
  • 2 total stops
  • 29h 27m 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 ($51 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

18:10-08:20

1 stop23h 10m

$1,244

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 19/10

10:20-22:17

2 stops26h 57m

Miami

Thu 29/10

08:00-08:35

3 stops33h 35m

$1,354

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Wed 7/10

10:20-22:17

3 stops50h 57m

Miami

Mon 12/10

18:10-11:40

2 stops26h 30m

$1,443

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 18/1

16:00-12:21

2 stops36h 21m

Miami

Sat 23/1

18:20-18:15

2 stops31h 55m

$1,521

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Wed 4/11

14:05-20:35

2 stops22h 30m

Miami

Sun 8/11

07:00-09:00

1 stop34h 00m

$1,847

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Sun 11/10

10:15-06:22

2 stops35h 07m

Miami

Sun 18/10

18:32-07:50

1 stop22h 18m

$1,993

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Thu 24/9

09:15-17:36

1 stop22h 21m

Miami

Thu 1/10

06:00-06:50

2 stops34h 50m

$1,993
Fastest return journey

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

$2,608

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Sat 26/12

13:20-06:03

2 stops32h 43m

Miami

Fri 8/1

09:00-09:05

2 stops32h 05m

$2,689
Cheapest one-way

SydneyMiami

SYD Sydney Kingsford Smith - MIA Miami

SYDMIA

Sydney Kingsford Smith

Mon 9/11

22:10-16:25

1 stop34h 15m

$1,120

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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 21 hours 54 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 $1,164
Air New Zealand
Air New Zealand
From $1,411
American Airlines
American Airlines
From $1,541
United Airlines
United Airlines
From $750

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
665 reviews
Check prices

Overall

8.0

Food

7.5

Crew

8.5

Entertainment

7.4

Boarding

8.2

Comfort

7.9

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

Overall

8.0

Food

7.5

Crew

8.5

Entertainment

7.4

Boarding

8.2

Comfort

7.9

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
665 reviews
Check prices

Overall

8.0

Food

7.5

Crew

8.5

Entertainment

7.4

Boarding

8.2

Comfort

7.9

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
10,135 reviews
Air New Zealand
8.0
Very Good
665 reviews
Check prices

Overall

8.0

Food

7.5

Crew

8.5

Entertainment

7.4

Boarding

8.2

Comfort

7.9

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
12,026 reviews
Air New Zealand
8.0
Very Good
665 reviews
Check prices

Overall

8.0

Food

7.5

Crew

8.5

Entertainment

7.4

Boarding

8.2

Comfort

7.9

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
11,550 reviews
Air New Zealand
8.0
Very Good
665 reviews
Check prices

Overall

8.0

Food

7.5

Crew

8.5

Entertainment

7.4

Boarding

8.2

Comfort

7.9

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 $224, however they can be found for as little as $208.

  • 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 (21 hours 29 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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