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$1,007+ 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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
27 mai — 3 jun1
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 27 abril 2026.

qui 30/406:00
SYD
-
MIA
3 stops39h 32m
Multiple Airlines
qua 13/508:10
MIA
-
SYD
3 stops37h 40m
Multiple Airlines
Deal found 23/4$1,771
qua 20/509:10
SYD
-
MIA
2 stops34h 28m
Multiple Airlines
qua 27/506:30
MIA
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 22/4$1,774
dom 7/606:00
SYD
-
MIA
3 stops61h 33m
Multiple Airlines
dom 14/611:19
MIA
-
SYD
3 stops44h 51m
Multiple Airlines
Deal found 23/4$1,778
seg 8/617:50
SYD
-
MIA
2 stops27h 10m
Multiple Airlines
seg 15/608:30
MIA
-
SYD
2 stops33h 00m
Multiple Airlines
Deal found 25/4$1,796
seg 26/1021:40
SYD
-
MIA
1 stop34h 45m
Multiple Airlines
qua 18/1123:20
MIA
-
SYD
1 stop39h 30m
Multiple Airlines
Deal found 27/4$1,858
qui 30/409:30
SYD
-
MIA
2 stops26h 39m
United Airlines
qua 13/510:50
MIA
-
SYD
2 stops30h 10m
United Airlines
Deal found 24/4$1,877
seg 8/610:20
SYD
-
MIA
1 stop21h 09m
United Airlines
ter 16/612:29
MIA
-
SYD
2 stops28h 26m
United Airlines
Deal found 25/4$1,881
qui 30/409:15
SYD
-
MIA
1 stop21h 59m
Delta
qua 13/507:39
MIA
-
SYD
1 stop33h 11m
Delta
Deal found 23/4$1,883
ter 5/509:15
SYD
-
MIA
1 stop21h 59m
Delta
ter 19/508:10
MIA
-
SYD
1 stop32h 40m
Delta
Deal found 27/4$1,884
seg 11/509:15
SYD
-
MIA
1 stop21h 51m
Delta
ter 26/511:58
MIA
-
SYD
2 stops28h 52m
Delta
Deal found 26/4$1,887
sex 1/509:10
SYD
-
MIA
2 stops29h 39m
Multiple Airlines
sex 8/506:00
MIA
-
SYD
2 stops35h 30m
Multiple Airlines
Deal found 23/4$1,930
sáb 6/610:20
SYD
-
MIA
2 stops26h 20m
United Airlines
dom 14/618:35
MIA
-
SYD
1 stop22h 20m
United Airlines
Deal found 25/4$1,951

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 27 abril 2026.

Return from

$1,774

One-way from

$1,007

Popular in

January

Cheapest in

February

Average price

$2,504
20/5-27/5
  • 20/5-27/5
  • 4 total stops
  • 69h 03m total
  • Sydney to Miami
Search Deals
30/8
  • 30/8
  • 3 total stops
  • 52h 01m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($263 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($77 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 27 abril 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

seg 8/6

10:20-17:29

1 stop21h 09m

Miami

seg 15/6

18:35-06:55

1 stop22h 20m

$1,881

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

seg 25/5

09:15-17:06

1 stop21h 51m

Miami

seg 1/6

08:10-06:50

1 stop32h 40m

$1,884

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

qua 10/6

10:20-22:40

3 stops26h 20m

Miami

qua 17/6

16:53-07:00

2 stops24h 07m

$1,884

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

qua 12/8

10:20-18:58

1 stop22h 38m

Miami

qua 2/9

16:57-06:55

1 stop23h 58m

$1,884

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

qua 20/5

09:15-17:06

1 stop21h 51m

Miami

qua 27/5

07:39-06:50

1 stop33h 11m

$1,887

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

dom 7/6

10:20-17:29

1 stop21h 09m

Miami

dom 14/6

18:35-06:55

1 stop22h 20m

$1,951

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

dom 10/5

09:15-17:06

1 stop21h 51m

Miami

dom 17/5

06:00-06:50

2 stops34h 50m

$1,954

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

dom 10/5

09:30-22:33

2 stops27h 03m

Miami

dom 17/5

10:50-06:55

3 stops30h 05m

$2,158

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

qua 10/6

10:20-22:27

2 stops26h 07m

Miami

ter 16/6

16:06-06:55

2 stops48h 49m

$2,169
Cheapest one-way

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

sex 8/5

20:45-18:10

1 stop35h 25m

$1,097

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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
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 22 hours 48 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 United Airlines.

Qantas Airways
Qantas Airways
From $1,221
Air New Zealand
Air New Zealand
From $1,340
American Airlines
American Airlines
From $1,544
Air Canada
Air Canada
From $1,218

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 27 abril 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
638 reviews
Check prices

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.5

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
1,028 reviews
Air New Zealand
8.0
Very Good
638 reviews
Check prices

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.5

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
9,672 reviews
Air New Zealand
8.0
Very Good
638 reviews
Check prices

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.5

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
11,673 reviews
Air New Zealand
8.0
Very Good
638 reviews
Check prices

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.5

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
10,974 reviews
Air New Zealand
8.0
Very Good
638 reviews
Check prices

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.5

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, 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 $89, however they can be found for as little as $84.

  • 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 59 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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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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