$725 Cheap Flights from Buffalo (BUF) to Sydney (SYD)

View $725 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Sydney Airport (SYD)

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Cheap Flights from Buffalo to Sydney (BUF-SYD)

Prices were available within the past 7 days and start at $725 for one-way flights and $1,233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Wed, May 6 - Wed, May 20
BUF
Buffalo
SYD
Sydney
$1,233 Roundtrip, found 11 hours ago
$1,233
Roundtrip
found 11 hours ago
Select All Nippon Airways flight, departing Wed, May 6 from Buffalo to Sydney, returning Wed, May 20, priced at $1,233 found 11 hours ago
All Nippon Airways
Wed, May 6 - Wed, May 20
BUF
Buffalo
SYD
Sydney
$1,393 Roundtrip, found 11 hours ago
$1,393
Roundtrip
found 11 hours ago
Select All Nippon Airways flight, departing Wed, May 6 from Buffalo to Sydney, returning Wed, May 20, priced at $1,393 found 11 hours ago
American Airlines
Mon, May 11 - Wed, May 27
BUF
Buffalo
SYD
Sydney
$1,452 Roundtrip, found 1 day ago
$1,452
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, May 11 from Buffalo to Sydney, returning Wed, May 27, priced at $1,452 found 1 day ago
United
Wed, May 6 - Wed, May 20
BUF
Buffalo
SYD
Sydney
$1,470 Roundtrip, found 11 hours ago
$1,470
Roundtrip
found 11 hours ago
Select United flight, departing Wed, May 6 from Buffalo to Sydney, returning Wed, May 20, priced at $1,470 found 11 hours ago
Delta
Wed, May 6 - Wed, May 20
BUF
Buffalo
SYD
Sydney
$1,470 Roundtrip, found 11 hours ago
$1,470
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, May 6 from Buffalo to Sydney, returning Wed, May 20, priced at $1,470 found 11 hours ago
United
Wed, Feb 11 - Sun, Mar 1
BUF
Buffalo
SYD
Sydney
$1,470 Roundtrip, found 4 days ago
$1,470
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 11 from Buffalo to Sydney, returning Sun, Mar 1, priced at $1,470 found 4 days ago
American Airlines
Tue, Jan 27 - Tue, Feb 3
BUF
Buffalo
SYD
Sydney
$1,475 Roundtrip, found 22 hours ago
$1,475
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Jan 27 from Buffalo to Sydney, returning Tue, Feb 3, priced at $1,475 found 22 hours ago
United
Wed, May 6 - Wed, May 20
BUF
Buffalo
SYD
Sydney
$1,477 Roundtrip, found 11 hours ago
$1,477
Roundtrip
found 11 hours ago
Select United flight, departing Wed, May 6 from Buffalo to Sydney, returning Wed, May 20, priced at $1,477 found 11 hours ago
Delta
Sat, Mar 14 - Sun, Mar 22
BUF
Buffalo
SYD
Sydney
$1,478 Roundtrip, found 5 days ago
$1,478
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Mar 14 from Buffalo to Sydney, returning Sun, Mar 22, priced at $1,478 found 5 days ago
Turkish Airlines
Fri, Feb 27 - Mon, Mar 2
BUF
Buffalo
SYD
Sydney
$1,652 Roundtrip, found 5 days ago
$1,652
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Fri, Feb 27 from Buffalo to Sydney, returning Mon, Mar 2, priced at $1,652 found 5 days ago

Find the cheapest month to fly from Buffalo (BUF) to Sydney (SYD)

September is typically the cheapest month to fly

From $1,168 - $2,471 per traveler.

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $1,469
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $1,469

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD) cost?
Snag a cheap one-way flight from $725 or cheap return flight from $1,233 from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD)?
The cheapest month to fly from BUF to SYD is May, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from BUF to SYD. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD)?
You'll have to hop on a flight with a layover when traveling from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BUF to SYD?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD)?
Select a flight from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until right before your break to book a flight from BUF to SYD generally means paying more. While you might find some last-minute offers, there's no guarantee. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a BUF to SYD flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to SYD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Kingsford Smith Intl. Airport (SYD)?
Generally, it's possible to cancel or reschedule your BUF to SYD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Delta, Etihad Airways, Japan Airlines, Korean Air, Qatar Airways, Turkish Airlines, United
Roundtrip price
$1,233
Distance
9706 mi

Book with confidence

Buffalo to Sydney Flights

The cheapest times to fly from Buffalo to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Sydney are during the month of May. You can find some of the cheapest flights from Buffalo to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Sydney

Sunday is one of the best days to book for cheap flights from Buffalo to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Sydney in 2026. You can also book with separate airlines for your outbound and return journeys, from $725 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Buffalo to Sydney Flights

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*Available to One Key members.