Find flights
When to book
FAQs

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
16 11月 — 23 11月1
1 adult
1 adult, Economy

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 17 10月 2025.

週日 28/1217:35BUF - SYD
2 stops44h 45mUnited Airlines
週一 12/112:10SYD - BUF
2 stops24h 19mUnited Airlines
Deal found 15/10$2,022
週一 20/1011:12BUF - SYD
2 stops33h 38mMultiple Airlines
週二 28/1015:15SYD - BUF
2 stops47h 20mMultiple Airlines
Deal found 16/10$2,413
週二 11/1107:40BUF - SYD
2 stops33h 55mMultiple Airlines
週二 18/1122:20SYD - BUF
2 stops41h 16mMultiple Airlines
Deal found 15/10$2,416
週一 20/1006:00BUF - SYD
2 stops34h 35mDelta
週二 28/1009:40SYD - BUF
2 stops24h 10mDelta
Deal found 16/10$2,443
週日 28/1219:48BUF - SYD
2 stops43h 12mUnited Airlines
週日 11/114:00SYD - BUF
2 stops40h 14mUnited Airlines
Deal found 17/10$2,468
週一 1/1216:26BUF - SYD
2 stops24h 34mAmerican Airlines
週一 8/1214:05SYD - BUF
1 stop24h 15mAmerican Airlines
Deal found 16/10$2,597
週六 29/1108:10BUF - SYD
2 stops32h 55mUnited Airlines
週六 6/1212:10SYD - BUF
2 stops25h 05mUnited Airlines
Deal found 15/10$2,796

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 17 10月 2025.

Round-trip from

$2,022

One-way from

$1,161

Popular in

April

Cheapest in

August

Average price

$2,249
United Airlines
  • United Airlines
  • 28/12-12/1
  • 4 total stops
  • 69h 04m total
  • Buffalo to Sydney
Search Deals
American Airlines
  • American Airlines
  • 15/4
  • 2 total stops
  • 27h 43m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($335 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($84 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 17 10月 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

週日 28/12

19:48-06:20

2 stops42h 32m

Sydney Kingsford Smith

週一 12/1

14:00-20:29

2 stops22h 29m

$2,226

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週一 16/2

13:52-09:15

2 stops27h 23m

Sydney Kingsford Smith

週三 25/2

11:20-19:07

2 stops23h 47m

$2,411

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週二 7/4

14:00-07:00

2 stops27h 00m

Sydney Kingsford Smith

週二 14/4

10:20-20:31

2 stops24h 11m

$2,411

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週二 11/11

07:40-09:35

2 stops33h 55m

Sydney Kingsford Smith

週二 18/11

22:20-23:36

2 stops41h 16m

$2,416

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週一 1/12

09:14-08:30

2 stops31h 16m

Sydney Kingsford Smith

週一 8/12

10:40-22:58

2 stops28h 18m

$2,443

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週日 30/11

12:05-08:30

2 stops28h 25m

Sydney Kingsford Smith

週日 7/12

10:40-23:59

2 stops29h 19m

$2,443

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週日 28/12

17:35-07:00

2 stops45h 25m

Sydney Kingsford Smith

週日 11/1

14:00-14:14

2 stops40h 14m

$2,468

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週一 1/12

16:26-09:00

2 stops24h 34m

Sydney Kingsford Smith

週一 8/12

14:05-22:20

1 stop24h 15m

$2,597

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週二 7/4

11:40-07:20

3 stops29h 40m

Sydney Kingsford Smith

週二 14/4

09:20-20:31

2 stops25h 11m

$2,756

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

週三 15/4

13:22-07:05

2 stops27h 43m

$1,161

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 11 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, 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 $2,177). 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 $2,443, United Airlines can have you in Sydney from Buffalo in 31h 16m. 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 $2,177). 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
Randwick
Coogee
Cronulla
Leura
Lithgow
Bondi Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Sydney flights
Newark to Sydney flights
John F Kennedy Intl to Coolangatta flights
Syracuse to Sydney flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.