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Cheap flights from Sydney to Key Largo from $759

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
8 Nis — 15 Nis1
1 adult

Cheapflights Tip: 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

Keep the following information in mind while searching for Sydney to Key Largo flight deals. Data was last updated 3 Nisan 2025.

Round-trip from

$1,651

One-way from

$759

Popular in

December

Cheapest in

March

Average price

$2,326
Air Canada
  • Air Canada
  • 26/5-9/6
  • 4 total stops
  • 85h 28m total
  • Sydney to Key Largo
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5/5
  • 5/5
  • 2 total stops
  • 45h 53m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($513 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($137 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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 3 Nisan 2025.

Pzt 26/509:20SYD - MIA
2 stops52h 03mAir Canada
Pzt 9/607:55MIA - SYD
2 stops33h 25mAir Canada
Deal found 2/4$1,651
Sal 22/413:15SYD - MIA
2 stops38h 18mMultiple Airlines
Çar 30/421:40MIA - SYD
2 stops48h 35mMultiple Airlines
Deal found 3/4$1,657
Per 24/408:55SYD - MIA
2 stops50h 33mJapan Airlines
Per 8/507:00MIA - SYD
2 stops33h 20mJapan Airlines
Deal found 2/4$2,512
Pzt 26/509:25SYD - MIA
2 stops25h 43mDelta
Pzt 9/612:32MIA - SYD
2 stops28h 03mDelta
Deal found 2/4$2,521
Cum 2/509:55SYD - MIA
2 stops26h 34mAir New Zealand
Çar 21/516:40MIA - SYD
2 stops26h 05mAir New Zealand
Deal found 2/4$2,587
Cum 16/520:55SYD - MIA
1 stop48h 15mTurkish Airlines
Sal 27/522:15MIA - SYD
1 stop54h 45mTurkish Airlines
Deal found 2/4$2,606
Per 22/509:10SYD - MIA
1 stop23h 35mQantas Airways
Çar 4/619:05MIA - SYD
1 stop22h 00mQantas Airways
Deal found 2/4$2,725
Sal 29/421:30SYD - MIA
1 stop32h 37mAmerican Airlines
Sal 20/514:00MIA - SYD
1 stop27h 05mAmerican Airlines
Deal found 2/4$2,745
Cmt 17/513:45SYD - MIA
2 stops30h 15mFiji Airways
Sal 27/519:10MIA - SYD
2 stops26h 35mFiji Airways
Deal found 2/4$2,784
Cmt 5/709:30SYD - MIA
2 stops39h 48mUnited Airlines
Cmt 19/708:45MIA - SYD
2 stops56h 15mUnited Airlines
Deal found 2/4$2,974
Pzt 14/417:45SYD - MIA
2 stops37h 05mQatar Airways
Sal 29/423:30MIA - SYD
1 stop51h 40mQatar Airways
Deal found 2/4$3,174
Pzt 22/1211:45SYD - MIA
3 stops42h 30mLATAM Airlines
Paz 11/100:45MIA - SYD
2 stops37h 45mLATAM Airlines
Deal found 2/4$3,209

Cheapflights Fare Finder

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 3 Nisan 2025.
Use the filters below to find and compare flights from Sydney to Key Largo that are best for you.

Fly from

Sydney

Fly to

Key Largo

Route

Depart

Return

Price

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Pzt 26/5

09:20-23:23

2 stops52h 03m

Miami

Pzt 9/6

07:55-07:20

2 stops33h 25m

$1,651

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sal 22/4

13:15-13:33

2 stops38h 18m

Miami

Çar 30/4

21:40-12:15

2 stops48h 35m

$1,657

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Per 24/4

08:55-21:28

2 stops50h 33m

Miami

Per 8/5

07:00-06:20

2 stops33h 20m

$2,512

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Pzt 26/5

09:25-17:55

1 stop22h 30m

Miami

Pzt 9/6

12:32-06:35

2 stops28h 03m

$2,521

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Cum 2/5

09:55-22:29

2 stops26h 34m

Miami

Çar 21/5

16:40-08:45

2 stops26h 05m

$2,587

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Cum 16/5

20:55-07:10

1 stop48h 15m

Miami

Sal 27/5

22:15-19:00

1 stop54h 45m

$2,606

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Per 22/5

09:10-18:45

1 stop23h 35m

Miami

Çar 4/6

19:05-07:05

1 stop22h 00m

$2,725

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Sal 29/4

21:30-16:07

1 stop32h 37m

Miami

Sal 20/5

14:00-07:05

1 stop27h 05m

$2,745

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Cmt 17/5

13:45-06:00

2 stops30h 15m

Miami

Sal 27/5

19:10-11:45

2 stops26h 35m

$2,784

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

Cmt 5/7

09:30-11:18

2 stops39h 48m

Miami

Cmt 19/7

08:45-07:00

2 stops56h 15m

$2,974

Flights are sorted by cheapest return flights first.

Deals found on 2/4

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.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Key Largo

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 28 March 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 $2,070). 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 3 Nisan 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 3 Nisan 2025.
Read through reviews of airlines operating flights from Sydney to Key Largo, such as Air Tahiti Nui, Japan Airlines and Fiji Airways. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.7

Entertainment

7.2

Crew

9.1

Overall

8.7

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
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.7

Entertainment

7.2

Crew

9.1

Overall

8.7

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
1,441 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.7

Entertainment

7.2

Crew

9.1

Overall

8.7

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.
Fiji Airways
8.0
Very Good
180 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.7

Entertainment

7.2

Crew

9.1

Overall

8.7

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
7,897 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.7

Entertainment

7.2

Crew

9.1

Overall

8.7

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
461 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.7

Entertainment

7.2

Crew

9.1

Overall

8.7

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 Japan Airlines, with whom users have recently found tickets for as low as $1,560. However, be on the lookout for offers from Qatar Airways and Qantas Airways, 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 $2,070). 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 3 Nisan 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,185Average$1,571FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,284Average$1,888FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,543Average$2,639FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,655Average$2,078FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,761Average$2,189FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,804Average$2,603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,878Average$2,844FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Hawaiian AirlinesCheapest$2,173Average$2,243FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
ANACheapest$2,433Average$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?

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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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