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$1,032+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
18 Jun — 25 Jun1
1 adult

Flights to Key Largo in 2025

Find the latest flights to Key Largo in 2025, 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 13 June 2025.

Return from

$1,735

One-way from

$1,075

Popular in

December

Cheapest in

March

Average price

$2,267
27/7-11/8
  • 27/7-11/8
  • 4 total stops
  • 68h 08m total
  • Sydney to Miami
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11/7
  • 11/7
  • 2 total stops
  • 40h 19m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($445 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($119 potential savings vs. average return price).
Search Deals
Average for return flights in June 2025
Search Deals

Find flight deals to Key Largo

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 13 June 2025.

Sun 27/709:30SYD - MIA
2 stops34h 08mMultiple Airlines
Mon 11/807:00MIA - SYD
2 stops34h 00mMultiple Airlines
Deal found 12/6$1,735
Mon 14/709:25SYD - MIA
1 stop21h 59mDelta
Sun 27/707:48MIA - SYD
1 stop32h 47mDelta
Deal found 12/6$1,778
Fri 15/809:10SYD - MIA
1 stop34h 29mAmerican Airlines
Sat 30/821:35MIA - SYD
1 stop43h 20mAmerican Airlines
Deal found 12/6$1,822
Fri 25/721:40SYD - MIA
2 stops33h 40mAlaska Airlines
Fri 1/818:20MIA - SYD
2 stops35h 25mAlaska Airlines
Deal found 9/6$1,848
Wed 17/909:20SYD - MIA
2 stops42h 00mAir Canada
Sun 19/1014:20MIA - SYD
3 stops51h 00mAir Canada
Deal found 12/6$1,873
Mon 25/808:55SYD - MIA
2 stops67h 39mJapan Airlines
Sun 7/907:00MIA - SYD
2 stops33h 20mJapan Airlines
Deal found 11/6$1,971
Sat 11/1010:10SYD - MIA
1 stop20h 50mQantas Airways
Thu 23/1019:36MIA - SYD
1 stop21h 29mQantas Airways
Deal found 10/6$1,994
Sun 21/920:55SYD - MIA
2 stops37h 25mTurkish Airlines
Sun 28/922:15MIA - SYD
2 stops54h 45mTurkish Airlines
Deal found 10/6$2,254
Sat 11/1015:50SYD - MIA
1 stop40h 00mQatar Airways
Thu 23/1019:40MIA - SYD
1 stop31h 30mQatar Airways
Deal found 10/6$2,657
Thu 25/1211:20SYD - MIA
2 stops25h 01mUnited Airlines
Sun 11/113:25MIA - SYD
2 stops25h 35mUnited Airlines
Deal found 12/6$2,906
Sun 27/712:10SYD - MIA
2 stops32h 21mLATAM Airlines
Sun 10/801:45MIA - SYD
3 stops41h 50mLATAM Airlines
Deal found 12/6$3,090
Wed 17/1221:45SYD - MIA
2 stops36h 02mANA
Thu 8/107:00MIA - SYD
2 stops35h 30mANA
Deal found 11/6$3,101

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 13 June 2025.
Use the filters below to find and compare flights to Key Largo that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sun 27/7

09:30-05:38

2 stops34h 08m

Miami

Mon 11/8

07:00-07:00

2 stops34h 00m

$1,735

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 14/7

09:25-17:24

1 stop21h 59m

Miami

Sun 27/7

07:48-06:35

1 stop32h 47m

$1,778

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Fri 15/8

09:10-05:39

1 stop34h 29m

Miami

Sat 30/8

21:35-06:55

1 stop43h 20m

$1,822

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Fri 25/7

21:40-17:20

2 stops33h 40m

Miami

Fri 1/8

18:20-19:45

2 stops35h 25m

$1,848

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 17/9

09:20-13:20

2 stops42h 00m

Miami

Sun 19/10

14:20-08:20

3 stops51h 00m

$1,873

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 25/8

08:55-14:34

2 stops67h 39m

Miami

Sun 7/9

07:00-06:20

2 stops33h 20m

$1,971

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sat 11/10

10:10-16:00

1 stop20h 50m

Miami

Thu 23/10

19:36-08:05

1 stop21h 29m

$1,994

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sun 21/9

20:55-20:20

2 stops37h 25m

Miami

Sun 28/9

22:15-19:00

2 stops54h 45m

$2,254

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sat 11/10

15:50-16:50

1 stop40h 00m

Miami

Thu 23/10

19:40-18:10

1 stop31h 30m

$2,657

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 9/12

14:00-23:51

2 stops25h 51m

Miami

Mon 5/1

11:20-07:00

2 stops27h 40m

$2,909

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 28 results
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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

When is the best time to book a flight to Key Largo?

Use this chart to determine the optimal time to book a return flight from Sydney to Key Largo. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight to Key Largo, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Key Largo?

On average, a flight from Sydney to Key Largo takes 20 hours 33 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.

When is the cheapest time to fly to Key Largo?

Use this chart to determine the cheapest time to fly return from Sydney to Key Largo. Price data was last updated on 13 October 2024.

Users looking for the lowest fares to Key Largo should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday afternoons, when prices are usually at their highest.

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 Canada and United Airlines.

Qantas Airways
Qantas Airways
From $1,079
Air Canada
Air Canada
From $977
United Airlines
United Airlines
From $800
Delta
Delta
From $746

What are the cheapest airlines that fly to Key Largo?

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

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 13 June 2025.
Read through reviews of airlines servicing Key Largo, such as Air Tahiti Nui, Japan Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,490 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very Good
7,950 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air New Zealand
8.0
Very Good
483 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very Good
10,000 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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, American 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 $157, however they can be found for as little as $116.

  • 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 21 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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