What is the cheapest month to fly to Key Largo?

Currently, the cheapest month for flights to Key Largo is March . The most expensive month for flights is December . The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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, Delta 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 $502, however they can be found for as little as $403.

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 (19 hours 42 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).

$783+ Cheap Flights to Key Largo

Flights to Key Largo in 2025

Return from	$1,218
One-way from	$783
Popular in	December
Cheapest in	March
Average price	$1,912

Air Canada
12/11-24/11
4 total stops
95h 39m total
Sydney to Miami

Search Deals

15/10
3 total stops
56h 14m total
Sydney to Key Largo

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($580 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($124 potential savings vs. average return price).

Search Deals

Average for return flights in September 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 12 September 2025.

Wed 12/1111:20SYD - MIA

2 stops51h 09mAir Canada

Mon 24/1121:05MIA - SYD

2 stops44h 30mAir Canada

Deal found 10/9$1,218

Mon 27/1010:20SYD - MIA

1 stop22h 19mAir Canada

Tue 11/1108:00MIA - SYD

2 stops33h 35mAir Canada

Deal found 10/9$1,292

Mon 24/1111:20SYD - MIA

2 stops27h 09mAir Canada

Sun 30/1108:00MIA - SYD

2 stops33h 35mAir Canada

Deal found 11/9$1,304

Mon 29/909:20SYD - MIA

2 stops42h 00mAir Canada

Mon 6/1014:25MIA - SYD

3 stops50h 55mAir Canada

Deal found 11/9$1,307

Tue 14/1010:20SYD - MIA

2 stops42h 00mAir Canada

Mon 27/1018:40MIA - SYD

2 stops46h 30mAir Canada

Deal found 10/9$1,324

Wed 8/1014:15SYD - MIA

3 stops34h 41mMultiple Airlines

Wed 15/1009:49MIA - SYD

3 stops35h 56mMultiple Airlines

Deal found 10/9$1,350

Mon 29/909:20SYD - MIA

2 stops42h 00mAir Canada

Wed 8/1014:25MIA - SYD

2 stops50h 55mAir Canada

Deal found 11/9$1,372

Best flights to Key Largo
Discover carefully curated flight deals to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.

Fri 17/1010:20SYD - MIA

1 stop22h 00mAir Canada

Sat 25/1021:45MIA - SYD

2 stops43h 50mAir Canada

Deal found 12/9$1,531

Wed 4/311:15SYD - MIA

1 stop23h 28mQantas Airways

Sun 15/317:51MIA - SYD

1 stop24h 09mQantas Airways

Deal found 10/9$1,595

Tue 14/1011:20SYD - MIA

2 stops23h 36mUnited Airlines

Wed 29/1016:50MIA - SYD

2 stops25h 15mUnited Airlines

Deal found 10/9$1,603

Thu 16/1011:20SYD - MIA

1 stop21h 13mUnited Airlines

Mon 27/1011:55MIA - SYD

1 stop28h 05mUnited Airlines

Deal found 10/9$1,603

Thu 16/1010:30SYD - MIA

2 stops25h 43mUnited Airlines

Tue 28/1018:00MIA - SYD

1 stop24h 15mUnited Airlines

Deal found 10/9$1,603

Thu 16/1011:20SYD - MIA

1 stop21h 13mUnited Airlines

Wed 29/1012:51MIA - SYD

2 stops29h 14mUnited Airlines

Deal found 10/9$1,603

Tue 14/1011:20SYD - MIA

1 stop21h 13mUnited Airlines

Mon 27/1016:50MIA - SYD

1 stop23h 10mUnited Airlines

Deal found 10/9$1,603

Mon 13/1010:30SYD - MIA

2 stops27h 15mUnited Airlines

Sun 26/1016:50MIA - SYD

1 stop23h 10mUnited Airlines

Deal found 10/9$1,603

Mon 13/1010:30SYD - MIA

2 stops25h 43mUnited Airlines

Wed 29/1018:00MIA - SYD

1 stop24h 15mUnited Airlines

Deal found 10/9$1,603

Mon 13/1011:20SYD - MIA

1 stop21h 13mUnited Airlines

Sun 19/1008:45MIA - SYD

2 stops32h 10mUnited Airlines

Deal found 11/9$1,604

Mon 13/1011:20SYD - MIA

1 stop21h 13mUnited Airlines

Sat 18/1018:35MIA - SYD

2 stops46h 25mUnited Airlines

Deal found 11/9$1,604

Last-minute flights to Key Largo
Discover last-minute flight deals to Key Largo. Data last updated 12 September 2025 and is based on user searches.

Mon 29/909:20SYD - MIA

2 stops42h 00mAir Canada

Mon 6/1014:25MIA - SYD

3 stops50h 55mAir Canada

Deal found 11/9$1,307

Mon 29/909:20SYD - MIA

2 stops42h 00mAir Canada

Wed 8/1014:25MIA - SYD

2 stops50h 55mAir Canada

Deal found 11/9$1,372

Mon 29/909:20SYD - MIA

3 stops42h 00mAir Canada

Thu 9/1011:55MIA - SYD

2 stops29h 25mAir Canada

Deal found 11/9$1,392

Fri 3/1009:20SYD - MIA

1 stop22h 00mAir Canada

Sun 19/1021:45MIA - SYD

2 stops43h 35mAir Canada

Deal found 11/9$1,410

Wed 8/1014:15SYD - MIA

3 stops34h 41mMultiple Airlines

Wed 15/1009:49MIA - SYD

3 stops35h 56mMultiple Airlines

Deal found 10/9$1,350

Thu 9/1010:20SYD - MIA

2 stops39h 38mAir Canada

Sun 19/1021:45MIA - SYD

2 stops43h 35mAir Canada

Deal found 11/9$1,389

Fri 10/1010:20SYD - MIA

2 stops42h 00mAir Canada

Mon 27/1018:40MIA - SYD

2 stops27h 00mAir Canada

Deal found 10/9$1,398

Tue 14/1010:20SYD - MIA

2 stops42h 00mAir Canada

Mon 27/1018:40MIA - SYD

2 stops46h 30mAir Canada

Deal found 10/9$1,324

Mon 27/1010:20SYD - MIA

1 stop22h 19mAir Canada

Tue 11/1108:00MIA - SYD

2 stops33h 35mAir Canada

Deal found 10/9$1,292

One-way flights to Key Largo
Search for one-way flight options to Key Largo. Find affordable one-way fares based on user searches. Data last updated 12 September 2025.

Wed 15/1017:20SYD - MIA

3 stops56h 14mMultiple Airlines

Deal found 9/9$783

Wed 1/1017:45SYD - MIA

2 stops29h 16mMultiple Airlines

Deal found 12/9$982

Sun 26/1017:45SYD - MIA

2 stops40h 58mMultiple Airlines

Deal found 11/9$983

Mon 15/1217:45SYD - MIA

2 stops44h 14mMultiple Airlines

Deal found 12/9$1,000

Sat 15/1117:45SYD - MIA

2 stops46h 05mMultiple Airlines

Deal found 11/9$1,027

Thu 25/917:45SYD - MIA

2 stops44h 59mMultiple Airlines

Deal found 10/9$1,047

Tue 3/317:45SYD - MIA

3 stops37h 57mMultiple Airlines

Deal found 11/9$1,099

Fly from

Route

Depart

Return

Price

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Fri 17/10

10:20-17:20

1 stop22h 00m

Miami

Sat 25/10

21:45-08:35

2 stops43h 50m

$1,531

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 4/3

11:15-18:43

1 stop23h 28m

Miami

Sun 15/3

17:51-09:00

1 stop24h 09m

$1,595

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 14/10

11:20-19:56

2 stops23h 36m

Miami

Wed 29/10

16:50-09:05

2 stops25h 15m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 16/10

11:20-17:33

1 stop21h 13m

Miami

Mon 27/10

11:55-07:00

1 stop28h 05m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 16/10

10:30-21:13

2 stops25h 43m

Miami

Tue 28/10

18:00-09:15

1 stop24h 15m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 16/10

11:20-17:33

1 stop21h 13m

Miami

Wed 29/10

12:51-09:05

2 stops29h 14m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 14/10

11:20-17:33

1 stop21h 13m

Miami

Mon 27/10

16:50-07:00

1 stop23h 10m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 13/10

10:30-22:45

2 stops27h 15m

Miami

Sun 26/10

16:50-07:00

1 stop23h 10m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 13/10

10:30-21:13

2 stops25h 43m

Miami

Wed 29/10

18:00-09:15

1 stop24h 15m

$1,603

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 13/10

11:20-17:33

1 stop21h 13m

Miami

Sun 19/10

08:45-07:55

2 stops32h 10m

$1,604

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 20 results

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?

To ensure you get the cheapest price possible for a flight to Key Largo, you should look to book at least 72 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 21 hours 42 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?

Users looking for the lowest fares to Key Largo should consider flying on Sunday at midday, 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.

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

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, Delta, andQantas Airways 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

505 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air New Zealand

8.0

Very Good

505 reviews

Air New Zealand

8.0

Very Good

505 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Delta

8.0

Very Good

7,960 reviews

Air New Zealand

8.0

Very Good

505 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Qantas Airways

7.5

Good

905 reviews

Air New Zealand

8.0

Very Good

505 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

United Airlines

7.4

Good

8,937 reviews

Air New Zealand

8.0

Very Good

505 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air Canada

7.1

Good

10,000 reviews

Air New Zealand

8.0

Very Good

505 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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, Delta 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 $502, however they can be found for as little as $403.
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 (19 hours 42 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights to Key Largo?

Cheapflights makes it easy to find Key Largo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets to Key Largo?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Key Largo.

Can Cheapflights find flights to Key Largo with no change fees?

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

Can Cheapflights notify me if prices for flights to Key Largo become cheaper?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$783+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 12 September 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Key Largo

Cheapest flights to Key LargoExplore the most affordable flight options available to Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 12 September 2025.

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 12 September 2025.

Cheapflights Fare Finder

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

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.

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 29 August 2025.

How long is the flight to Key Largo?

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.

What are the most popular airlines that fly to Key Largo?

What are the cheapest airlines that fly to Key Largo?

Rainfall in Key Largo by month

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

Temperature in Key Largo by month

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

Reviews of airlines servicing Key Largo

Read reviews from past customers who have flown Air New Zealand, Delta, andQantas Airways to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Key Largo

Can I find cheaper flights to Key Largo if I am willing to have stopovers?

What is the best airline to fly to Key Largo?

How much is a return flight to Key Largo?

Where does the fastest flight to Key Largo depart from?

Does Miami have car hire?

Are there hotels close to Miami?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Key Largo by cabin class

Find flights to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Key Largo?

Why should you use Cheapflights to find cheap flight tickets to Key Largo?

Can Cheapflights find flights to Key Largo with no change fees?

Can Cheapflights notify me if prices for flights to Key Largo become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 12 September 2025.