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Cheap flights from Sydney to Key Largo from $779

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
5 maalis — 12 maalis1
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

Keep the following information in mind while searching for Sydney to Key Largo flight deals. Data was last updated 28 helmikuu 2025.

Round-trip from

$1,249

One-way from

$779

Popular in

December

Cheapest in

March

Average price

$2,030
Delta
  • Delta
  • 14/5-17/6
  • 4 total stops
  • 60h 34m total
  • Sydney to Key Largo
Search Deals
Delta
  • Delta
  • 3/3
  • 2 total stops
  • 35h 18m total
  • Sydney to Key Largo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($508 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($136 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 28 helmikuu 2025.

ke 14/509:25SYD - MIA
1 stop22h 30mDelta
ti 10/608:05MIA - SYD
2 stops32h 30mDelta
Deal found 27/2$1,249
ti 18/310:25SYD - MIA
3 stops45h 47mAir Canada
ti 25/313:55MIA - SYD
2 stops51h 40mAir Canada
Deal found 27/2$1,738
ke 12/311:15SYD - MIA
1 stop22h 21mQantas Airways
ti 18/318:55MIA - SYD
1 stop23h 05mQantas Airways
Deal found 28/2$1,763
to 6/311:20SYD - MIA
2 stops27h 17mMultiple Airlines
ma 31/318:25MIA - SYD
2 stops26h 15mMultiple Airlines
Deal found 26/2$1,824
ke 26/1111:45SYD - MIA
2 stops35h 35mAir New Zealand
ti 9/1208:35MIA - SYD
2 stops32h 10mAir New Zealand
Deal found 28/2$1,859
ke 12/311:15SYD - MIA
1 stop22h 21mAmerican Airlines
ti 18/317:44MIA - SYD
2 stops24h 16mAmerican Airlines
Deal found 28/2$1,904
ke 26/311:20SYD - MIA
2 stops22h 04mUnited Airlines
la 5/416:07MIA - SYD
3 stops48h 48mUnited Airlines
Deal found 27/2$1,940
su 9/321:00SYD - MIA
2 stops39h 40mTurkish Airlines
pe 28/310:30MIA - SYD
2 stops41h 35mTurkish Airlines
Deal found 26/2$2,643
to 5/607:20SYD - MIA
3 stops30h 10mAir Tahiti Nui
pe 20/618:55MIA - SYD
3 stops32h 55mAir Tahiti Nui
Deal found 27/2$2,885
pe 26/1212:30SYD - MIA
2 stops33h 40mLATAM Airlines
su 18/100:45MIA - SYD
2 stops37h 45mLATAM Airlines
Deal found 27/2$3,192

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 28 helmikuu 2025.

Fly from

Sydney

Fly to

Key Largo

Route

Depart

Return

Price

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

ke 14/5

09:25-23:16

2 stops27h 51m

Miami

ma 16/6

08:05-06:35

2 stops32h 30m

$1,249

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

ti 18/3

10:25-17:12

3 stops45h 47m

Miami

ti 25/3

13:55-08:35

2 stops51h 40m

$1,738

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

ke 12/3

11:15-18:36

1 stop22h 21m

Miami

ti 18/3

18:55-09:00

1 stop23h 05m

$1,763

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

ke 12/3

11:15-18:36

1 stop22h 21m

Miami

ti 18/3

17:44-09:00

2 stops24h 16m

$1,904

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

su 18/5

13:15-10:39

3 stops35h 24m

Miami

ke 18/6

13:07-07:20

2 stops28h 13m

$1,928

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

ke 26/3

11:20-18:24

2 stops22h 04m

Miami

la 5/4

16:07-06:55

3 stops48h 48m

$1,940

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

to 26/6

09:55-22:31

2 stops26h 36m

Miami

ti 22/7

16:51-08:45

2 stops25h 54m

$2,515

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

to 5/6

07:20-23:30

3 stops30h 10m

Miami

pe 20/6

18:55-17:50

3 stops32h 55m

$2,885

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

su 18/5

12:10-07:10

2 stops33h 00m

Miami

ti 17/6

01:45-06:45

2 stops39h 00m

$3,310

SydneyMiami

SYD - MIA

SYDMIA

Sydney Kingsford Smith

ti 19/8

09:25-17:39

1 stop22h 14m

$779

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 17 results
1
2

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 25 February 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 $2,107). 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 28 helmikuu 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 28 helmikuu 2025.
Read through reviews of airlines operating flights from Sydney to Key Largo, such as Air Tahiti Nui, Japan Airlines and Delta. 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

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

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

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

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
1,437 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

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
8,138 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

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.

LATAM Airlines
7.5
Good
1,770 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

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.

Qatar Airways
7.4
Good
3,579 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

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 $779. However, be on the lookout for offers from Japan Airlines and Qatar 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 $2,107). 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 28 helmikuu 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,188Average$1,573FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,288Average$1,903FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,547Average$2,616FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,660Average$2,060FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,766Average$2,179FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,773Average$2,848FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$1,809Average$2,628FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$2,179Average$2,249FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
ANACheapest$2,235Average$2,523FlexibilityNo 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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