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$898+ Cheap flights to Key Largo

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
20 Jul — 27 Jul1
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
Explore the most affordable flight options available to Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 20 June 2026.

Thu 6/806:15
SYD
-
MIA
3 stops37h 36m
Multiple Airlines
Wed 12/806:30
MIA
-
SYD
3 stops49h 40m
Multiple Airlines
Deal found 19/6$1,346
Thu 13/813:15
SYD
-
MIA
3 stops30h 36m
Multiple Airlines
Sun 30/806:50
MIA
-
SYD
3 stops39h 00m
Multiple Airlines
Deal found 18/6$1,423
Mon 27/710:20
SYD
-
MIA
1 stop21h 09m
United Airlines
Wed 12/817:01
MIA
-
SYD
2 stops23h 59m
United Airlines
Deal found 19/6$1,442
Thu 13/810:20
SYD
-
MIA
1 stop23h 06m
United Airlines
Sun 30/816:58
MIA
-
SYD
1 stop23h 57m
United Airlines
Deal found 18/6$1,446
Mon 22/609:30
SYD
-
MIA
2 stops36h 09m
United Airlines
Wed 1/712:30
MIA
-
SYD
2 stops28h 30m
United Airlines
Deal found 18/6$1,449
Tue 7/709:30
SYD
-
MIA
2 stops25h 03m
United Airlines
Tue 28/712:30
MIA
-
SYD
2 stops28h 25m
United Airlines
Deal found 15/6$1,452
Tue 14/709:30
SYD
-
MIA
2 stops26h 57m
United Airlines
Tue 28/716:53
MIA
-
SYD
2 stops24h 07m
United Airlines
Deal found 17/6$1,455
Fri 24/713:15
SYD
-
MIA
3 stops38h 38m
Multiple Airlines
Tue 28/706:30
MIA
-
SYD
3 stops49h 40m
Multiple Airlines
Deal found 19/6$1,482
Mon 3/810:20
SYD
-
MIA
1 stop35h 19m
Lufthansa
Mon 10/818:35
MIA
-
SYD
1 stop22h 20m
Lufthansa
Deal found 19/6$1,492

Find flight deals to Key Largo

Find the latest flights to Key Largo in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 20 June 2026.

Return from

$1,346

One-way from

$898

Popular in

January

Cheapest in

February

Average price

$2,074
6/8-12/8
  • 6/8-12/8
  • 6 total stops
  • 87h 16m total
  • Sydney to Miami
Search Deals
United Airlines
  • United Airlines
  • 12/8
  • 1 total stop
  • 21h 15m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($265 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($73 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Key Largo that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 20 June 2026.
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
Fastest return journey

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 27/7

10:20-17:29

1 stop21h 09m

Miami

Wed 12/8

17:01-07:00

2 stops23h 59m

$1,442

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 13/8

09:30-22:34

2 stops27h 04m

Miami

Sun 30/8

17:01-07:00

2 stops23h 59m

$1,446

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 13/8

10:20-22:34

3 stops50h 14m

Miami

Fri 4/9

15:57-07:00

3 stops73h 03m

$1,453

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 14/7

10:20-17:29

1 stop21h 09m

Miami

Tue 28/7

08:00-06:55

1 stop32h 55m

$1,455

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 14/7

10:20-17:29

1 stop21h 09m

Miami

Thu 6/8

08:00-06:55

1 stop32h 55m

$1,515
Cheapest one-way
Fastest single journey

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 18/8

10:20-17:35

1 stop21h 15m

$904

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 19/11

10:40-17:41

1 stop23h 01m

$990

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 9/11

10:40-22:45

2 stops28h 05m

$990

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 9/11

21:40-16:25

1 stop34h 45m

$1,104

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Sorted by cheapest first

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
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 to Key Largo

How long is the flight to Key Largo?

On average, a flight from Sydney to Key Largo takes 23 hours 1 minute. 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 $1,228
Air New Zealand
Air New Zealand
From $1,429
American Airlines
American Airlines
From $1,581
Air Canada
Air Canada
From $1,248

What are the cheapest airlines that fly to Key Largo?

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

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals 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

Plan your trip to Key Largo by taking into account the average temperature totals 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

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 20 June 2026.
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
645 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
645 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,047 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,865 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,715 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,227 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 $508, however they can be found for as little as $140.

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

    For those looking to save time traveling to Key Largo, Sydney Kingsford Smith offers the quickest one-way flight (23 hours 1 minute).

  • 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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Yes! Cheapflights helps users easily find flights to Key Largo with no change fees.

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Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Key Largo today and book when you’re ready!

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