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Cheap flights from Buffalo to Sydney from $975

BUF — SYD
21 Sep — 28 Sep1
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

Mon 21/913:51 -
2 stops27h 04m
Mon 28/909:30 -
2 stops25h 17m
Deal found 17/8$1,824
Thu 5/1116:40 -
1 stop22h 15m
Sat 21/1111:20 -
2 stops27h 33m
Deal found 17/8$1,828
Wed 11/1105:40 -
3 stops32h 45m
Tue 9/214:05 -
3 stops41h 12m
Deal found 19/8$1,830
Wed 11/1106:30 -
3 stops34h 35m
Sun 13/1209:15 -
2 stops23h 32m
Deal found 19/8$1,835
Thu 12/1114:55 -
2 stops26h 25m
Wed 10/211:50 -
2 stops24h 41m
Deal found 19/8$1,887
Fri 30/1016:48 -
1 stop23h 07m
Tue 17/1114:05 -
1 stop24h 48m
Deal found 17/8$1,893
Fri 30/1016:48 -
1 stop23h 07m
Tue 17/1114:05 -
2 stops24h 28m
Deal found 19/8$1,900
Fri 13/1110:30 -
2 stops30h 50m
Sun 13/1209:15 -
2 stops27h 24m
Deal found 19/8$1,905
Thu 1/1007:00 -
2 stops46h 10m
Thu 8/1021:45 -
2 stops38h 02m
Deal found 17/8$1,964

Find flight deals from Buffalo to Sydney

Round-trip from

$1,824

One-way from

$975

Popular in

September

Cheapest in

February

Average price

$1,796
United Airlines
  • United Airlines
  • 21/9-28/9
  • 4 total stops
  • 52h 21m total
  • Buffalo to Sydney
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American Airlines
  • American Airlines
  • 4/10
  • 2 total stops
  • 26h 17m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($283 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($71 potential savings vs. average return price).
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Average for round-trip flights in August 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

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 21/9

13:51-06:55

2 stops27h 04m

Sydney Kingsford Smith

Mon 28/9

09:30-20:47

2 stops25h 17m

$1,824

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Wed 11/11

06:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Sun 13/12

09:15-16:47

2 stops23h 32m

$1,835

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Thu 12/11

14:55-09:20

2 stops26h 25m

Sydney Kingsford Smith

Wed 10/2

11:50-20:31

2 stops24h 41m

$1,887
Fastest return journey

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

$1,893

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

$1,893

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Thu 5/11

16:40-06:55

1 stop22h 15m

Sydney Kingsford Smith

Sat 21/11

11:20-22:53

2 stops27h 33m

$1,968

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Thu 1/10

16:31-07:05

2 stops24h 34m

Sydney Kingsford Smith

Thu 8/10

13:00-22:54

1 stop24h 54m

$1,968
Cheapest one-way

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Sun 4/10

13:08-06:25

2 stops26h 17m

$975

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Fri 30/10

14:52-09:00

2 stops27h 08m

$1,032

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Fri 30/10

13:48-12:35

3 stops31h 47m

$1,112

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 $1,190). Flying from Buffalo to Sydney in September is currently the most expensive (average of $2,485). 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 below average for this route at the moment.

Buffalo to Sydney flights typically cost between $1,854 and $2,980 in September.
The cheapest return price found within the last 5 days was $1,824 on United Airlines (21 Sept–28 Sept).

Related info for your journey

  • How long is the flight from Buffalo to Sydney?

    For as low as $1,893, United 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 $1,190). Flying from Buffalo to Sydney in September is currently the most expensive (average of $2,485). 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
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Buffalo to Sydney

John F Kennedy Intl to Sydney flights
Newark to Sydney flights
Syracuse to Sydney flights
John F Kennedy Intl to Coolangatta flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Buffalo today with Cheapflights!

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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