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Cheap flights from Buffalo to Sydney from $1,122

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
1 Aug — 8 Aug1
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 2 July 2026.

Wed 12/816:50
BUF
-
SYD
2 stops27h 40m
American Airlines
Wed 19/812:00
SYD
-
BUF
1 stop25h 01m
American Airlines
Deal found 28/6$1,723
Wed 29/715:00
BUF
-
SYD
2 stops25h 55m
United Airlines
Wed 5/809:30
SYD
-
BUF
2 stops27h 28m
United Airlines
Deal found 30/6$1,726
Sat 15/816:50
BUF
-
SYD
1 stop24h 05m
American Airlines
Sat 22/812:00
SYD
-
BUF
1 stop25h 01m
American Airlines
Deal found 2/7$1,861
Sat 15/806:55
BUF
-
SYD
3 stops34h 05m
United Airlines
Sat 22/809:30
SYD
-
BUF
2 stops23h 30m
United Airlines
Deal found 1/7$1,871
Mon 14/914:23
BUF
-
SYD
2 stops27h 07m
American Airlines
Wed 23/909:10
SYD
-
BUF
2 stops27h 00m
American Airlines
Deal found 30/6$1,895
Sat 28/1113:48
BUF
-
SYD
2 stops49h 12m
United Airlines
Wed 9/1211:20
SYD
-
BUF
2 stops38h 29m
United Airlines
Deal found 2/7$1,921
Sun 5/707:06
BUF
-
SYD
2 stops36h 19m
ANA
Sun 12/720:55
SYD
-
BUF
2 stops41h 04m
ANA
Deal found 1/7$1,942
Sat 4/710:34
BUF
-
SYD
2 stops30h 26m
Air New Zealand
Thu 16/709:30
SYD
-
BUF
2 stops23h 33m
Air New Zealand
Deal found 2/7$1,943
Fri 30/1016:48
BUF
-
SYD
1 stop23h 07m
American Airlines
Tue 17/1114:05
SYD
-
BUF
1 stop24h 36m
American Airlines
Deal found 2/7$1,962
Fri 30/1006:08
BUF
-
SYD
3 stops33h 17m
Multiple Airlines
Tue 17/1114:05
SYD
-
BUF
2 stops24h 48m
Multiple Airlines
Deal found 29/6$1,968
Sat 28/1109:55
BUF
-
SYD
2 stops30h 35m
Delta
Wed 9/1210:40
SYD
-
BUF
2 stops37h 49m
Delta
Deal found 2/7$1,972

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 2 July 2026.

Round-trip from

$1,723

One-way from

$1,122

Popular in

May

Cheapest in

February

Average price

$2,168
American Airlines
  • American Airlines
  • 12/8-19/8
  • 4 total stops
  • 50h 52m total
  • Buffalo to Sydney
Search Deals
American Airlines
  • American Airlines
  • 20/7
  • 2 total stops
  • 24h 45m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($293 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 2 July 2026.
Use the filters below to find and compare flights from Buffalo to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 12/8

16:50-10:30

2 stops27h 40m

Sydney Kingsford Smith

Wed 19/8

12:00-23:01

1 stop25h 01m

$1,723

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 29/7

15:00-06:55

2 stops25h 55m

Sydney Kingsford Smith

Wed 5/8

09:30-22:58

2 stops27h 28m

$1,726

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 29/7

06:29-06:50

2 stops34h 21m

Sydney Kingsford Smith

Wed 5/8

09:15-23:59

2 stops28h 44m

$1,726

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 15/8

13:03-07:05

2 stops28h 02m

Sydney Kingsford Smith

Sat 22/8

12:00-00:02

2 stops26h 02m

$1,866

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 15/8

06:55-07:00

3 stops34h 05m

Sydney Kingsford Smith

Sat 22/8

09:30-19:00

2 stops23h 30m

$1,871

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 14/9

14:23-07:30

2 stops27h 07m

Sydney Kingsford Smith

Wed 23/9

09:10-22:10

2 stops27h 00m

$1,895

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 28/11

13:48-07:00

2 stops49h 12m

Sydney Kingsford Smith

Wed 9/12

11:20-09:49

2 stops38h 29m

$1,921

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 30/10

06:08-06:25

3 stops33h 17m

Sydney Kingsford Smith

Tue 17/11

14:05-22:53

2 stops24h 48m

$1,968
Fastest return journey

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 30/10

13:11-06:25

2 stops26h 14m

Sydney Kingsford Smith

Tue 17/11

14:05-22:41

1 stop24h 36m

$1,968
Cheapest one-way
Fastest single journey

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 20/7

16:45-07:30

2 stops24h 45m

$1,122

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 16 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $316). Flying from Buffalo to Sydney in May is currently the most expensive (average of $2,390). 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 $1,726, American Airlines can have you in Sydney from Buffalo in 25h 55m. 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 $316). Flying from Buffalo to Sydney in May is currently the most expensive (average of $2,390). 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

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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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