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Cheap flights from Buffalo to Sydney from $1,161

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
5 Jun — 12 Jun1
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 6 May 2026.

Sun 1/1107:00
BUF
-
SYD
2 stops45h 15m
ANA
Tue 17/1112:25
SYD
-
BUF
2 stops48h 06m
ANA
Deal found 5/5$1,971
Sun 18/1006:25
BUF
-
SYD
2 stops34h 25m
Delta
Mon 26/1009:40
SYD
-
BUF
2 stops24h 18m
Delta
Deal found 1/5$2,041
Wed 30/916:50
BUF
-
SYD
1 stop24h 05m
Multiple Airlines
Sat 17/1013:00
SYD
-
BUF
1 stop25h 10m
Multiple Airlines
Deal found 2/5$2,116
Sun 18/1016:50
BUF
-
SYD
1 stop23h 05m
American Airlines
Mon 26/1013:05
SYD
-
BUF
1 stop25h 05m
American Airlines
Deal found 1/5$2,309
Sun 18/1007:00
BUF
-
SYD
3 stops34h 00m
United Airlines
Mon 26/1010:20
SYD
-
BUF
2 stops23h 06m
United Airlines
Deal found 1/5$2,320
Sat 16/513:45
BUF
-
SYD
2 stops27h 20m
American Airlines
Thu 20/812:00
SYD
-
BUF
1 stop25h 01m
American Airlines
Deal found 3/5$2,328
Wed 30/907:00
BUF
-
SYD
3 stops34h 00m
United Airlines
Sat 17/1011:20
SYD
-
BUF
2 stops22h 06m
United Airlines
Deal found 2/5$2,348
Sat 16/511:02
BUF
-
SYD
3 stops29h 53m
United Airlines
Thu 20/809:30
SYD
-
BUF
2 stops25h 38m
United Airlines
Deal found 3/5$2,376
Thu 18/606:00
BUF
-
SYD
2 stops34h 50m
Delta
Thu 25/609:15
SYD
-
BUF
2 stops37h 08m
Delta
Deal found 4/5$2,600
Thu 18/607:00
BUF
-
SYD
3 stops34h 00m
United Airlines
Thu 25/610:20
SYD
-
BUF
2 stops26h 38m
United Airlines
Deal found 4/5$2,864

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 6 May 2026.

Round-trip from

$1,971

One-way from

$1,161

Popular in

April

Cheapest in

February

Average price

$2,042
ANA
  • ANA
  • 1/11-17/11
  • 4 total stops
  • 93h 21m total
  • Buffalo to Sydney
Search Deals
Delta
  • Delta
  • 29/9
  • 2 total stops
  • 34h 50m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($485 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($101 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 6 May 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 30/9

16:50-06:55

1 stop24h 05m

Sydney Kingsford Smith

Sat 17/10

13:00-23:10

1 stop25h 10m

$2,116

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 30/9

07:00-07:00

3 stops34h 00m

Sydney Kingsford Smith

Sat 17/10

11:20-18:26

2 stops22h 06m

$2,348

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 16/5

11:02-06:55

3 stops29h 53m

Sydney Kingsford Smith

Thu 20/8

09:30-21:08

2 stops25h 38m

$2,376

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 18/6

06:00-06:50

2 stops34h 50m

Sydney Kingsford Smith

Thu 25/6

09:15-08:23

2 stops37h 08m

$2,600

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 18/6

07:00-07:00

3 stops34h 00m

Sydney Kingsford Smith

Thu 25/6

10:20-22:58

2 stops26h 38m

$2,864

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 19/6

16:01-06:50

2 stops24h 49m

Sydney Kingsford Smith

Fri 26/6

09:15-00:38

2 stops29h 23m

$2,871

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 19/6

07:00-07:00

3 stops34h 00m

Sydney Kingsford Smith

Fri 26/6

09:30-22:58

2 stops27h 28m

$3,299

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 16/5

11:02-07:20

3 stops30h 18m

Sydney Kingsford Smith

Thu 20/8

09:20-00:26

3 stops29h 06m

$3,851
Fastest return journey

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 19/6

16:46-06:55

1 stop24h 09m

Sydney Kingsford Smith

Fri 26/6

12:00-22:35

1 stop24h 35m

$5,029

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 19/6

10:01-09:45

3 stops33h 44m

Sydney Kingsford Smith

Fri 26/6

12:00-00:38

3 stops26h 38m

$5,462

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 $304). Flying from Buffalo to Sydney in April is currently the most expensive (average of $2,675). 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 $2,348, United 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, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $304). Flying from Buffalo to Sydney in April is currently the most expensive (average of $2,675). 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
Katoomba
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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