Cheap Flights from Buffalo Niagara (BUF) to Sydney (SYD)

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Compare Buffalo Niagara to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Buffalo Niagara to Sydney

Looking for a cheap last-minute deal or the best round-trip flight from Buffalo Niagara to Sydney? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Buffalo Niagara to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Sydney flights are currently cheapest in June.

Buffalo Niagara to Sydney: Alternative routes

Compare routes from Buffalo Niagara to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Buffalo to Sydney: Flight information

The things to know before you go.
Cheapest flight found$672
Cheapest month to flyJune

Finding cheap flights from Buffalo Niagara to Sydney: Frequently asked questions

The best price we found for a round-trip flight from Buffalo Niagara to Sydney is $1,358. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to Sydney. But we found flights with one or more stops from $1,358.
There are no flights flying from Buffalo Niagara to Sydney, as of May 2025.
The cheapest month to fly from Buffalo Niagara to Sydney is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Sydney Airport on Sunday, June 29, 2025.
No airlines currently offer direct flights between Buffalo Niagara Airport and Sydney Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, American Airlines offers the cheapest flight tickets to Sydney.

Flying from Buffalo Niagara International Airport (BUF) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • The timezone in Sydney is UTC+11, which is 15 hours ahead of Buffalo.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Get to the airport on time to catch your BUF to SYD flight.

  • You can expect longer lines in popular months such as August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • Pick a stopover if you want to break up your flight. Simply uncheck 'Direct flights only' to look at your options for tickets from Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport. Dallas/Fort Worth International Airport is a popular stopover on the BUF to SYD route.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Sydney (Kingsford Smith) Airport (SYD)

  • Right now, $672 is the lowest price we've found for a one-way Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport flight. The best price for a return plane ticket is $1,358. Keep in mind that fares could change due to availability when booking.

  • To pick up cheap tickets from BUF to SYD, book ahead. Airlines usually offer lower prices when flights are first released.

  • The 'Whole month' search function shows you the cheapest flights from Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport across the entire month. It's an easy way to snap up a bargain if your plans are flexible.

  • Stay on top of deals for cheap flights from BUF to SYD by setting up a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Secure the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Buffalo Niagara International Airport (BUF)

  • You'll find BUF at Genesee Street.

  • Of all flights departing from Buffalo Niagara International Airport, 75.46% arrive as scheduled at their destination.

  • Central Buffalo to Buffalo Niagara International Airport is approximately 11 miles. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Catching public transport? You can expect a journey time of around 1 hour 15 minutes.

  • Looking for a handy hotel near BUF? If you've booked an early flight from Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport, these accommodation options will have you sleeping moments from check-in:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport is approximately 11 miles from the center of Sydney. The drive time takes around 20 minutes.

  • Traveling to the center by public transport takes around 25 minutes.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • It's time to plan your trip dates for your flight from Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport. April is the busiest month to visit Sydney. If you prefer a more low-key vibe, go in April.

  • The warmest month in Sydney is January, with the temperature ranging between 63ºF and 90ºF. Lock in your flights from Buffalo Niagara International Airport to Sydney (Kingsford Smith) Airport in this month if this is the type of weather you like.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from BUF to SYD in July. Average temperatures are between 41ºF and 66ºF then.

Explore more of Australia

  • Sydney has loads to offer, but there are so many other parts of Australia waiting to be discovered. Around 150 miles south-west of Sydney, a trip to Canberra will keep you on the go. Start with popular sights like Australian War Memorial, National Gallery of Australia and Parliament House.

  • If you're eager to discover another major destination in Australia, head for Newcastle, about 75 miles north-east of Sydney. Newcastle Beach, Nobbys Beach and Merewether Beach are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.