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Cheap flights from Buffalo to Sydney from $1,058

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

$2,160

One-way from

$1,058

Popular in

April

Cheapest in

August

Average price

$2,159
American Airlines
  • American Airlines
  • 29/10-5/11
  • 2 total stops
  • 46h 27m total
  • Buffalo to Sydney
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ANA
  • ANA
  • 2/12
  • 2 total stops
  • 38h 25m total
  • Buffalo to Sydney
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Highest demand for flights based on searches. 8% potential increase in price ($315 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Buffalo to Sydney

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 15 September 2025.

Wed 29/1018:02BUF - SYD
1 stop21h 53mAmerican Airlines
Wed 5/1114:05SYD - BUF
1 stop24h 34mAmerican Airlines
Deal found 14/9$2,160
Tue 28/1014:30BUF - SYD
2 stops27h 30mAmerican Airlines
Tue 4/1111:20SYD - BUF
2 stops27h 19mAmerican Airlines
Deal found 13/9$2,165
Tue 7/1013:14BUF - SYD
2 stops25h 51mAmerican Airlines
Fri 31/1011:20SYD - BUF
2 stops24h 27mAmerican Airlines
Deal found 13/9$2,166
Mon 13/1011:12BUF - SYD
2 stops29h 18mAmerican Airlines
Mon 20/1013:10SYD - BUF
1 stop24h 18mAmerican Airlines
Deal found 13/9$2,168
Wed 29/1014:55BUF - SYD
2 stops27h 10mUnited Airlines
Wed 5/1111:20SYD - BUF
2 stops23h 26mUnited Airlines
Deal found 14/9$2,190
Wed 8/1007:07BUF - SYD
2 stops33h 53mUnited Airlines
Thu 30/1012:10SYD - BUF
2 stops25h 42mUnited Airlines
Deal found 13/9$2,423
Tue 7/1019:30BUF - SYD
2 stops45h 05mDelta
Sat 1/1109:40SYD - BUF
2 stops28h 59mDelta
Deal found 13/9$2,534
Wed 29/1012:15BUF - SYD
3 stops64h 05mTurkish Airlines
Wed 5/1121:15SYD - BUF
3 stops58h 24mTurkish Airlines
Deal found 14/9$2,616
Mon 13/1014:50BUF - SYD
2 stops26h 10mUnited Airlines
Mon 20/1010:30SYD - BUF
3 stops25h 43mUnited Airlines
Deal found 13/9$2,709
Sun 28/1220:19BUF - SYD
3 stops55h 31mTurkish Airlines
Mon 12/121:15SYD - BUF
3 stops54h 35mTurkish Airlines
Deal found 13/9$2,799

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 15 September 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

Wed 29/10

18:02-09:00

2 stops23h 58m

Sydney Kingsford Smith

Wed 5/11

11:20-22:39

2 stops27h 19m

$2,165

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/10

13:14-06:05

2 stops25h 51m

Sydney Kingsford Smith

Fri 31/10

11:20-20:47

2 stops24h 27m

$2,166

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 13/10

11:12-07:30

2 stops29h 18m

Sydney Kingsford Smith

Mon 20/10

13:10-22:28

1 stop24h 18m

$2,168

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 21/11

11:54-07:25

2 stops27h 31m

Sydney Kingsford Smith

Fri 28/11

14:05-22:41

1 stop24h 36m

$2,168

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 29/10

14:55-09:05

2 stops27h 10m

Sydney Kingsford Smith

Wed 5/11

11:20-18:46

2 stops23h 26m

$2,190

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 19/2

13:52-07:00

2 stops25h 08m

Sydney Kingsford Smith

Thu 26/2

11:50-22:13

2 stops26h 23m

$2,190

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 11/1

14:49-06:20

2 stops47h 31m

Sydney Kingsford Smith

Sun 25/1

12:10-20:41

2 stops24h 31m

$2,304

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 7/1

08:30-09:15

2 stops32h 45m

Sydney Kingsford Smith

Wed 14/1

11:50-20:41

2 stops24h 51m

$2,356

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 28/10

15:21-09:00

2 stops26h 39m

Sydney Kingsford Smith

Tue 4/11

14:05-22:39

1 stop24h 34m

$2,392

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

07:07-08:00

2 stops33h 53m

Sydney Kingsford Smith

Fri 31/10

11:50-21:00

2 stops24h 10m

$2,423

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 19 results
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
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, May is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $129). Flying from Buffalo to Sydney in October is currently the most expensive (average of $171). 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.

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 $2,165, American Airlines can have you in Sydney from Buffalo in 23h 58m. Airlines will cover a distance of 15611 km.

  • 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, May is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $129). Flying from Buffalo to Sydney in October is currently the most expensive (average of $171). 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
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Coogee
Cronulla
Leura

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?

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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