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Cheap flights from Buffalo to Sydney from $1,140

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
4 Jan — 11 Jan1
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
Explore the most affordable flight options available from Buffalo to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Wed 3/1211:48BUF - SYD
2 stops38h 07mMultiple Airlines
Thu 11/1221:30SYD - BUF
2 stops39h 00mMultiple Airlines
Deal found 3/12$2,645
Sun 28/1206:30BUF - SYD
2 stops34h 35mUnited Airlines
Sun 11/112:10SYD - BUF
2 stops42h 04mUnited Airlines
Deal found 4/12$3,088
Fri 12/1210:30BUF - SYD
2 stops28h 30mUnited Airlines
Sun 21/1211:20SYD - BUF
2 stops25h 34mUnited Airlines
Deal found 3/12$3,428
Fri 12/1210:30BUF - SYD
2 stops28h 30mUnited Airlines
Sat 20/1211:50SYD - BUF
2 stops23h 16mUnited Airlines
Deal found 4/12$3,504
Sat 6/1207:00BUF - SYD
2 stops35h 30mANA
Mon 8/1221:45SYD - BUF
2 stops31h 27mANA
Deal found 2/12$3,710
Sun 14/1206:20BUF - SYD
2 stops46h 30mMultiple Airlines
Thu 9/407:40SYD - BUF
2 stops39h 29mMultiple Airlines
Deal found 4/12$3,914
Fri 12/1211:35BUF - SYD
2 stops30h 00mMultiple Airlines
Sun 21/1211:20SYD - BUF
3 stops38h 26mMultiple Airlines
Deal found 3/12$4,688
Sun 28/1212:32BUF - SYD
2 stops28h 28mAmerican Airlines
Mon 12/114:05SYD - BUF
1 stop23h 01mAmerican Airlines
Deal found 4/12$4,764
Sun 28/1212:32BUF - SYD
2 stops28h 28mAmerican Airlines
Sun 11/114:05SYD - BUF
1 stop23h 01mAmerican Airlines
Deal found 3/12$4,991
Sat 6/1210:19BUF - SYD
3 stops39h 41mMultiple Airlines
Mon 8/1222:20SYD - BUF
2 stops40h 00mMultiple Airlines
Deal found 2/12$5,189

Find flight deals from Buffalo to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Sydney (SYD). 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 5 December 2025.

Round-trip from

$1,927

One-way from

$1,140

Popular in

April

Cheapest in

December

Average price

$2,023
Etihad Airways
  • Etihad Airways
  • 22/3-21/4
  • 4 total stops
  • 73h 43m total
  • Buffalo to Sydney
Search Deals
American Airlines
  • American Airlines
  • 15/4
  • 2 total stops
  • 24h 21m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($324 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buffalo to Sydney 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 5 December 2025.
Use the filters below to find and compare flights from Buffalo to Sydney that are best for you.

Fly from

Buffalo

Fly to

Sydney

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 22/3

13:57-17:55

2 stops36h 58m

Sydney Kingsford Smith

Tue 21/4

15:40-14:25

2 stops36h 45m

$1,927

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 15/4

06:46-06:55

1 stop34h 09m

Sydney Kingsford Smith

Wed 29/4

12:00-22:26

1 stop24h 26m

$1,930

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 22/1

06:53-06:55

1 stop32h 02m

Sydney Kingsford Smith

Mon 9/2

14:05-21:06

1 stop23h 01m

$1,930

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 15/4

07:00-07:00

3 stops34h 00m

Sydney Kingsford Smith

Wed 29/4

10:20-18:21

2 stops22h 01m

$1,960

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 15/1

08:30-09:05

2 stops32h 35m

Sydney Kingsford Smith

Fri 30/1

12:10-19:25

2 stops23h 15m

$2,338

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 23/3

12:06-07:25

2 stops28h 19m

Sydney Kingsford Smith

Fri 27/3

09:40-00:14

2 stops29h 34m

$2,507

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 28/2

08:00-06:50

2 stops54h 50m

Sydney Kingsford Smith

Wed 4/3

21:40-21:34

2 stops39h 54m

$2,636

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 11/1

11:27-20:50

2 stops41h 23m

Sydney Kingsford Smith

Sun 25/1

22:20-23:48

2 stops41h 28m

$2,792

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 22/1

07:00-16:30

3 stops41h 30m

Sydney Kingsford Smith

Mon 9/2

22:20-23:48

2 stops41h 28m

$3,008

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 15/4

15:20-19:15

3 stops37h 55m

Sydney Kingsford Smith

Wed 29/4

21:10-23:55

3 stops40h 45m

$3,046

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 16 results
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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
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 Buffalo to Sydney

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

Currently, August is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $417). Flying from Buffalo to Sydney in May is currently the most expensive (average of $2,411). 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?

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Sydney?

    For as low as $1,960, American Airlines can have you in Sydney from Buffalo in 34h. 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, August is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $417). Flying from Buffalo to Sydney in May is currently the most expensive (average of $2,411). 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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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