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Cheap flights from Buffalo to Sydney from $1,824

BUF — SYD
1 Oct — 8 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Sydney

Wed 14/1016:48 -
1 stop23h 07m
Wed 21/1013:00 -
1 stop24h 54m
Deal found 29/8$1,824
Sun 1/1106:30 -
3 stops34h 35m
Wed 25/1109:15 -
2 stops23h 47m
Deal found 31/8$1,835
Fri 30/1016:48 -
1 stop23h 07m
Tue 17/1114:05 -
1 stop24h 48m
Deal found 27/8$1,893
Fri 30/1014:55 -
2 stops27h 05m
Tue 17/1114:05 -
2 stops25h 54m
Deal found 27/8$1,898
Sun 27/907:00 -
3 stops34h 00m
Sun 4/1011:20 -
2 stops24h 27m
Deal found 28/8$1,905
Thu 5/1111:08 -
2 stops27h 47m
Sat 21/1111:10 -
2 stops27h 02m
Deal found 27/8$1,968
Sun 1/1106:30 -
3 stops35h 05m
Wed 25/1111:20 -
3 stops45h 42m
Deal found 31/8$2,011
Thu 5/1110:51 -
3 stops30h 44m
Sat 21/1111:20 -
2 stops25h 31m
Deal found 27/8$2,032

Find flight deals from Buffalo to Sydney

Round-trip from

$1,824

Popular in

December

Cheapest in

February

Average price

$2,483
American Airlines
  • American Airlines
  • 14/10-21/10
  • 2 total stops
  • 48h 01m total
  • Buffalo to Sydney
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Highest demand for flights based on searches. 7% potential increase in price ($234 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($83 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to Sydney that are best for you.

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Route

Depart

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Price

Cheapest return flight
Fastest return journey

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 26/10

16:48-06:55

1 stop23h 07m

Sydney Kingsford Smith

Mon 9/11

14:05-22:53

1 stop24h 48m

$1,824

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Fri 30/10

16:48-06:55

1 stop23h 07m

Sydney Kingsford Smith

Tue 17/11

14:05-22:53

1 stop24h 48m

$1,894

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Fri 30/10

16:48-06:55

1 stop23h 07m

Sydney Kingsford Smith

Tue 17/11

14:05-22:53

1 stop24h 48m

$1,894

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Sun 27/9

07:00-07:00

3 stops34h 00m

Sydney Kingsford Smith

Sun 4/10

11:20-20:47

2 stops24h 27m

$1,905

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Thu 5/11

10:51-09:35

3 stops30h 44m

Sydney Kingsford Smith

Sat 21/11

11:20-20:51

2 stops25h 31m

$2,034

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Wed 14/10

11:24-06:55

2 stops28h 31m

Sydney Kingsford Smith

Wed 21/10

18:45-10:53

3 stops31h 08m

$2,281

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Sun 8/11

14:09-06:50

2 stops48h 41m

Sydney Kingsford Smith

Thu 12/11

15:50-21:35

2 stops45h 45m

$2,440

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Sun 8/11

06:30-09:35

3 stops59h 05m

Sydney Kingsford Smith

Thu 12/11

11:20-20:36

2 stops25h 16m

$2,538

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Sorted by cheapest first

Best time to book a flight from Buffalo to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Buffalo with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Sydney

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

Currently, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $1,189). Flying from Buffalo to Sydney in December is currently the most expensive (average of $2,628). 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.

How much does it cost for a return flight from Buffalo to Sydney?

Airfare is typical for this route at the moment.

Buffalo to Sydney flights typically cost between $1,819 and $2,560 in October.
The cheapest return price found within the last 5 days was $1,824 on American Airlines (14 Oct–21 Oct).

Related info for your journey

  • How long is the flight from Buffalo to Sydney?

    For as low as $1,824, American Airlines can have you in Sydney from Buffalo in 23h 07m. Airlines will cover a distance of 15611 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

  • How can I find direct flights from Buffalo to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Sydney 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 Buffalo to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $1,189). Flying from Buffalo to Sydney in December is currently the most expensive (average of $2,628). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Katoomba
Lithgow
Cronulla
Terrigal
Leura
Randwick
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Buffalo to Sydney

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Fly with Cheapflights

How does Cheapflights help users find flights from Buffalo to Sydney?

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Why should you use Cheapflights to find cheap flight tickets from Buffalo to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Buffalo to Sydney for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Buffalo to Sydney, users can toggle the no change fees filter when performing a flight search.

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

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

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