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Cheap flights from Sydney to Key Largo from $749

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
4 Feb — 11 Feb1
1 adult

The best prices from Sydney Kingsford Smith to Key Largo are usually found in March or February, booked 70 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Sydney to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 January 2025.

Round-trip from

$1,253

One-way from

$749

Popular in

December

Cheapest in

March

Average price

$2,513
Delta
  • Delta
  • 9/2-25/2
  • 2 total stops
  • 53h 25m total
  • Sydney to Key Largo
18/2
  • 18/2
  • 3 total stops
  • 48h 43m total
  • Sydney to Key Largo
Highest demand for flights based on searches. 9% potential increase in price ($393 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($126 potential savings vs. average return price).
Average for round-trip flights in January 2025

Find flight deals from Sydney to Key Largo

Cheapest flights from Sydney to Key Largo
Explore the most affordable flight options available from Sydney to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2025.

Sun 9/211:05SYD - MIA
1 stop22h 25mDelta
Sat 22/207:50MIA - SYD
1 stop32h 45mDelta
Deal found 29/1$1,253
Wed 26/214:00SYD - MIA
3 stops31h 00mMultiple Airlines
Wed 5/311:03MIA - SYD
3 stops33h 27mMultiple Airlines
Deal found 28/1$1,595
Sun 2/1111:20SYD - MIA
1 stop22h 02mAir Canada
Thu 20/1108:00MIA - SYD
2 stops33h 35mAir Canada
Deal found 29/1$1,770
Thu 14/809:10SYD - MIA
1 stop25h 13mAmerican Airlines
Wed 27/816:00MIA - SYD
1 stop25h 05mAmerican Airlines
Deal found 28/1$2,530
Mon 28/710:25SYD - MIA
1 stop20h 03mQantas Airways
Sat 9/821:30MIA - SYD
1 stop43h 05mQantas Airways
Deal found 27/1$2,715
Sat 8/311:15SYD - MIA
1 stop34h 33mBritish Airways
Wed 12/317:44MIA - SYD
1 stop21h 51mBritish Airways
Deal found 29/1$2,776
Wed 12/319:15SYD - MIA
3 stops41h 16mAir Tahiti Nui
Tue 25/318:55MIA - SYD
3 stops31h 45mAir Tahiti Nui
Deal found 28/1$2,949
Fri 4/709:30SYD - MIA
3 stops34h 15mUnited Airlines
Sun 13/716:41MIA - SYD
2 stops24h 19mUnited Airlines
Deal found 28/1$3,017
Thu 30/106:00SYD - MIA
1 stop43h 50mEmirates
Wed 5/200:35MIA - SYD
1 stop38h 25mEmirates
Deal found 28/1$3,060

Find flights from Sydney to Key Largo within your budget

Customise your flight search to find flights from Sydney to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sun 9/2

11:05-17:30

1 stop22h 25m

Miami

Tue 25/2

07:50-06:50

1 stop31h 00m

$1,253

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 26/2

14:00-05:00

3 stops31h 00m

Miami

Wed 5/3

11:03-12:30

3 stops33h 27m

$1,595

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 5/3

11:20-22:37

2 stops27h 17m

Miami

Wed 19/3

18:05-08:35

3 stops47h 30m

$1,789

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sat 29/3

11:15-18:34

1 stop22h 19m

Miami

Sun 13/4

07:00-07:05

1 stop34h 05m

$2,591

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Mon 28/7

10:25-16:28

1 stop20h 03m

Miami

Sat 9/8

21:30-06:35

1 stop43h 05m

$2,715

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sat 8/3

11:15-05:48

1 stop34h 33m

Miami

Wed 12/3

17:44-06:35

1 stop21h 51m

$2,776

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Wed 12/3

19:15-21:31

3 stops41h 16m

Miami

Tue 25/3

18:55-17:40

3 stops31h 45m

$2,949

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Fri 4/7

09:30-05:45

3 stops34h 15m

Miami

Sun 13/7

16:41-07:00

2 stops24h 19m

$3,017

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Tue 11/3

06:00-10:05

1 stop43h 05m

Miami

Wed 19/3

00:45-22:30

1 stop30h 45m

$3,220

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Thu 13/2

11:40-05:15

2 stops33h 35m

Miami

Thu 27/3

01:40-06:30

2 stops37h 50m

$3,336

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 22 results
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Best time to book a flight from Sydney to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Sydney 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.

Travel insights for flights from Sydney to Key Largo

Get recent, data-driven insights about flights from Sydney to Key Largo including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Sydney 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 24 January 2025.

The price you pay for your flight from Sydney to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to Key Largo?

Currently, March is the cheapest month in which you can book a flight from Sydney to Key Largo (average of $1,295). Flying from Sydney to Key Largo in December is currently the most expensive (average of $2,121). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to KE9?

Find hourly flight availability from Sydney to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Key Largo as you normally would.

What is the cheapest day to fly from Sydney 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.

Travellers seeking maximum savings on their Sydney to Key Largo flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 inches 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 30 January 2025.
Read through reviews of airlines operating flights from Sydney to Key Largo, such as Air Tahiti Nui, Japan Airlines and Emirates. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Crew

9.1

Entertainment

7.2

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.

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Crew

9.1

Entertainment

7.2

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.

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Crew

9.1

Entertainment

7.2

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.

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Crew

9.1

Entertainment

7.2

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.

8.0
Very Good

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Crew

9.1

Entertainment

7.2

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.

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Crew

9.1

Entertainment

7.2

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.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Sydney to Key Largo?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Key Largo. You should not have trouble finding flights to Key Largo from Kingsford Smith; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Sydney airport to Key Largo. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • What are the cheapest airlines to fly from Sydney to Key Largo one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $781. However, be on the lookout for offers from Japan Airlines and American Airlines, as they are both options that can get you from Sydney to Key Largo for a low price.

  • Can I find deals for flights from Sydney to Key Largo that include hotel bookings?

    Yes. In addition to deals on Sydney to Key Largo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Key Largo.

  • Can I find deals for business class flights from Sydney to Key Largo?

    Yes. Cheapflights offers flight deals from Sydney to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Key Largo?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Key Largo (average of $1,295). Flying from Sydney to Key Largo in December is currently the most expensive (average of $2,121). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Sydney to Key Largo

Discover the top 9 airlines that operate flights from Sydney to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 January 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,196Average$1,573FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,297Average$1,892FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,416Average$2,727FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,658Average$2,007FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,778Average$2,096FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,786Average$2,868FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$1,797Average$2,646FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$2,195Average$2,265FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
ANACheapest$2,434Average$2,517FlexibilityNo cancel feeOn-time80%
Search ANA flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Key Largo?

Cheapflights helps you search for flights from Sydney to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney 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 from Sydney to Key Largo.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Key Largo flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key Largo from Sydney today and book when prices fit your budget.

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