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Cheap flights from Buffalo to Sydney from $1,375

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 6 November 2025.

Tue 18/1110:08BUF - SYD
2 stops52h 27mEtihad Airways
Wed 26/1116:35SYD - BUF
2 stops45h 16mEtihad Airways
Deal found 5/11$2,849
Sun 28/1206:30BUF - SYD
2 stops56h 30mUnited Airlines
Mon 12/111:20SYD - BUF
2 stops24h 05mUnited Airlines
Deal found 5/11$2,865
Sat 8/1107:00BUF - SYD
2 stops42h 55mEtihad Airways
Mon 10/1121:30SYD - BUF
2 stops54h 15mEtihad Airways
Deal found 4/11$2,985
Sun 28/1206:30BUF - SYD
2 stops56h 30mUnited Airlines
Sun 11/111:50SYD - BUF
2 stops47h 35mUnited Airlines
Deal found 5/11$3,006
Tue 18/1106:12BUF - SYD
1 stop32h 43mAmerican Airlines
Wed 26/1114:05SYD - BUF
1 stop24h 36mAmerican Airlines
Deal found 5/11$3,384
Tue 16/1211:35BUF - SYD
2 stops27h 25mUnited Airlines
Thu 8/111:30SYD - BUF
3 stops48h 59mUnited Airlines
Deal found 4/11$3,800
Tue 16/1211:39BUF - SYD
2 stops29h 21mAmerican Airlines
Thu 8/114:05SYD - BUF
2 stops25h 36mAmerican Airlines
Deal found 4/11$3,851
Tue 18/1117:40BUF - SYD
3 stops47h 55mAir Canada
Wed 26/1111:20SYD - BUF
2 stops25h 40mAir Canada
Deal found 5/11$4,115
Sat 20/1219:48BUF - SYD
2 stops43h 12mUnited Airlines
Sat 27/1211:20SYD - BUF
2 stops23h 46mUnited Airlines
Deal found 5/11$4,647
Sun 28/1206:24BUF - SYD
1 stop32h 31mAmerican Airlines
Mon 12/111:20SYD - BUF
2 stops25h 46mAmerican Airlines
Deal found 4/11$4,659

Cheap 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 6 November 2025.

Round-trip from

$2,381

One-way from

$1,375

Popular in

April

Cheapest in

November

Average price

$2,089
American Airlines
  • American Airlines
  • 24/2-10/3
  • 2 total stops
  • 57h 15m total
  • Buffalo to Sydney
Search Deals
28/11
  • 28/11
  • 3 total stops
  • 55h 41m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($350 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($86 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 6 November 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

Tue 24/2

06:00-06:55

1 stop32h 55m

Sydney Kingsford Smith

Tue 10/3

13:05-22:25

1 stop24h 20m

$2,381

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 4/3

13:52-06:20

2 stops24h 28m

Sydney Kingsford Smith

Tue 31/3

11:20-22:37

2 stops26h 17m

$2,414

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 28/12

10:29-07:00

2 stops52h 31m

Sydney Kingsford Smith

Mon 12/1

11:50-13:24

2 stops41h 34m

$2,865

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 29/4

13:55-19:15

2 stops39h 20m

Sydney Kingsford Smith

Sun 3/5

20:55-13:10

2 stops30h 15m

$2,880

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 10/1

08:30-07:00

2 stops54h 30m

Sydney Kingsford Smith

Sun 25/1

12:10-19:25

2 stops23h 15m

$2,979

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 28/12

06:30-07:00

2 stops56h 30m

Sydney Kingsford Smith

Sun 11/1

11:50-13:24

2 stops41h 34m

$2,982

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 10/1

11:22-09:00

2 stops29h 38m

Sydney Kingsford Smith

Sun 25/1

14:05-21:06

1 stop23h 01m

$3,003

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 28/11

10:24-10:05

3 stops55h 41m

$1,375

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 27/11

10:07-10:45

3 stops56h 38m

$1,494

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 10/12

13:50-20:15

2 stops38h 25m

$1,528

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 18 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 $425). Flying from Buffalo to Sydney in January is currently the most expensive (average of $2,178). 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 $2,414, American Airlines can have you in Sydney from Buffalo in 24h 28m. 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 $425). Flying from Buffalo to Sydney in January is currently the most expensive (average of $2,178). 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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