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Cheap flights from Buffalo to Sydney from C$ 1,052

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
11 Jan — 18 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 12 December 2025.

Sun 28/1212:01 p.m.BUF - SYD
2 stops26h 49mDelta
Mon 12/12:15 p.m.SYD - BUF
2 stops24h 42mDelta
Deal found 10/12C$ 2,576
Sun 28/121:59 p.m.BUF - SYD
2 stops25h 01mUnited Airlines
Sun 11/112:10 p.m.SYD - BUF
2 stops42h 04mUnited Airlines
Deal found 10/12C$ 2,817
Fri 12/121:50 p.m.BUF - SYD
2 stops25h 10mUnited Airlines
Sun 21/122:00 p.m.SYD - BUF
2 stops24h 55mUnited Airlines
Deal found 10/12C$ 3,128
Fri 12/121:50 p.m.BUF - SYD
2 stops27h 25mUnited Airlines
Sat 20/1212:10 p.m.SYD - BUF
2 stops24h 44mUnited Airlines
Deal found 10/12C$ 3,197
Fri 12/1210:14 a.m.BUF - SYD
2 stops33h 46mMultiple Airlines
Sun 21/123:00 p.m.SYD - BUF
3 stops42h 48mMultiple Airlines
Deal found 10/12C$ 4,039
Fri 12/1210:14 a.m.BUF - SYD
2 stops33h 46mMultiple Airlines
Sat 20/1210:05 a.m.SYD - BUF
3 stops47h 43mMultiple Airlines
Deal found 10/12C$ 4,107
Sun 14/1210:08 a.m.BUF - SYD
3 stops38h 22mMultiple Airlines
Tue 16/1210:20 p.m.SYD - BUF
2 stops40h 00mMultiple Airlines
Deal found 10/12C$ 5,089

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 12 December 2025.

Round-trip from

C$ 1,927

One-way from

C$ 1,052

Popular in

February

Cheapest in

December

Average price

C$ 1,786
United Airlines
  • United Airlines
  • 15/1-30/1
  • 4 total stops
  • 72h 49m total
  • Buffalo to Sydney
Search Deals
Delta
  • Delta
  • 25/1
  • 2 total stops
  • 34h 27m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 316 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 12 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

Thu 15/1

8:30 a.m.-9:05 a.m.

2 stops32h 35m

Sydney Kingsford Smith

Fri 30/1

2:00 p.m.-2:14 p.m.

2 stops40h 14m

C$ 1,927

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 25/1

10:33 a.m.-8:30 a.m.

2 stops29h 57m

Sydney Kingsford Smith

Sun 1/2

10:40 a.m.-10:57 p.m.

2 stops28h 17m

C$ 2,193

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 25/1

1:59 p.m.-7:00 a.m.

2 stops25h 01m

Sydney Kingsford Smith

Sun 1/2

11:20 a.m.-8:29 p.m.

2 stops25h 09m

C$ 2,362

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 11/1

7:30 a.m.-12:00 p.m.

2 stops36h 30m

Sydney Kingsford Smith

Sun 25/1

10:20 p.m.-11:48 p.m.

2 stops41h 28m

C$ 2,549

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 28/12

12:01 p.m.-6:50 a.m.

2 stops26h 49m

Sydney Kingsford Smith

Mon 12/1

2:15 p.m.-10:57 p.m.

2 stops24h 42m

C$ 2,576

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 25/1

11:27 a.m.-8:50 p.m.

3 stops41h 23m

Sydney Kingsford Smith

Sun 1/2

10:20 p.m.-11:48 p.m.

2 stops41h 28m

C$ 2,605

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 28/12

1:59 p.m.-7:00 a.m.

2 stops25h 01m

Sydney Kingsford Smith

Sun 11/1

12:10 p.m.-2:14 p.m.

2 stops42h 04m

C$ 2,817

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 10/1

8:30 a.m.-7:00 a.m.

2 stops54h 30m

Sydney Kingsford Smith

Sun 25/1

2:00 p.m.-8:29 p.m.

2 stops22h 29m

C$ 2,877

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 25/1

6:03 a.m.-8:30 a.m.

2 stops34h 27m

C$ 1,052

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 15/4

7:00 a.m.-7:00 a.m.

3 stops34h 00m

C$ 1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 12 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 round-trip 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 C$ 381). Flying from Buffalo to Sydney in May is currently the most expensive (average of C$ 2,198). 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?

    There are many flights that can get you from Buffalo to Sydney in 29h 57m. Fly via United Airlines or Delta to get the fastest option. Airlines will cover a distance of 15611 km. This flight may include one or multiple 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 vacation 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 C$ 381). Flying from Buffalo to Sydney in May is currently the most expensive (average of C$ 2,198). 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
Bondi Beach
Penrith
Parramatta

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

Cheapflights helps you search for flights from Buffalo to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Sydney.

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

Certainly. Search results for flights to Sydney from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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