A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.

CA $876 Cheap Flights from Buffalo (BUF) to Sydney (SYD)

View CA $876 flight on Mon, Aug 10, 2026Opens in a new window

Flight 1

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

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Cheap flights from Buffalo (BUF) to Sydney (SYD)

Prices were available within the past 7 days and start at CA $876 for one-way flights and CA $1,661 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Jul 19 - Mon, Jul 27
BUF
Buffalo
SYD
Sydney
CA $1,661 Roundtrip, found 19 hours ago
CA $1,661
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sun, Jul 19 from Buffalo to Sydney, returning Mon, Jul 27, priced at CA $1,661 found 19 hours ago
United
Sun, Aug 30 - Sun, Sep 6
BUF
Buffalo
SYD
Sydney
CA $1,666 Roundtrip, found 16 hours ago
CA $1,666
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Aug 30 from Buffalo to Sydney, returning Sun, Sep 6, priced at CA $1,666 found 16 hours ago
Delta
Sun, Jul 19 - Mon, Jul 27
BUF
Buffalo
SYD
Sydney
CA $1,666 Roundtrip, found 19 hours ago
CA $1,666
Roundtrip
found 19 hours ago
Select Delta flight, departing Sun, Jul 19 from Buffalo to Sydney, returning Mon, Jul 27, priced at CA $1,666 found 19 hours ago
American Airlines
Mon, Jul 20 - Wed, Jul 29
BUF
Buffalo
SYD
Sydney
CA $1,668 Roundtrip, found 6 days ago
CA $1,668
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jul 20 from Buffalo to Sydney, returning Wed, Jul 29, priced at CA $1,668 found 6 days ago
United
Wed, Jul 29 - Sun, Aug 30
BUF
Buffalo
SYD
Sydney
CA $1,668 Roundtrip, found 4 days ago
CA $1,668
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 29 from Buffalo to Sydney, returning Sun, Aug 30, priced at CA $1,668 found 4 days ago
American Airlines
Sun, Jul 19 - Mon, Jul 27
BUF
Buffalo
SYD
Sydney
CA $1,726 Roundtrip, found 19 hours ago
CA $1,726
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sun, Jul 19 from Buffalo to Sydney, returning Mon, Jul 27, priced at CA $1,726 found 19 hours ago
Delta
Sun, Jul 19 - Mon, Jul 27
BUF
Buffalo
SYD
Sydney
CA $1,729 Roundtrip, found 19 hours ago
CA $1,729
Roundtrip
found 19 hours ago
Select Delta flight, departing Sun, Jul 19 from Buffalo to Sydney, returning Mon, Jul 27, priced at CA $1,729 found 19 hours ago
American Airlines
Sat, Jul 25 - Fri, Jul 31
BUF
Buffalo
SYD
Sydney
CA $1,730 Roundtrip, found 3 days ago
CA $1,730
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jul 25 from Buffalo to Sydney, returning Fri, Jul 31, priced at CA $1,730 found 3 days ago
All Nippon Airways
Sun, Nov 8 - Wed, Nov 18
BUF
Buffalo
SYD
Sydney
CA $1,950 Roundtrip, found 4 days ago
CA $1,950
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sun, Nov 8 from Buffalo to Sydney, returning Wed, Nov 18, priced at CA $1,950 found 4 days ago
Air Canada
Wed, Oct 7 - Mon, Oct 19
BUF
Buffalo
SYD
Sydney
CA $2,105 Roundtrip, found 2 days ago
CA $2,105
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 7 from Buffalo to Sydney, returning Mon, Oct 19, priced at CA $2,105 found 2 days ago

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 centre is 16 minutes. Flights from CA $1,994
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from CA $1,994

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

May is typically the cheapest month to fly

From CA $1,687 - CA $2,287 per traveller.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
You can find one-way and return flights from BUF to SYD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BUF to SYD ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The cheapest months to fly from BUF to SYD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF) to Sydney, NSW (SYD)?
Enter BUF to SYD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting return flights from Buffalo Niagara Intl. (BUF) to Kingsford Smith Intl. (SYD), with prices starting from around CA$2507 for flights that can be booked for departure within the next year. These flights typically include a layover in Logan Intl. (BOS). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are approximately 35 connecting flights per day from Buffalo Niagara Intl. (BUF) to Kingsford Smith Intl. (SYD). Some common connection points include O'Hare Intl. (ORD), John F. Kennedy Intl. (JFK), and Logan Intl. (BOS).
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Kingsford Smith International Airport (SYD) typically departs around 5:10 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You'll find the most flights from Buffalo Niagara Intl. (BUF) to Kingsford Smith Intl. (SYD) on Mondays, with around 35 flights available. This gives you a good selection of options to choose from. Major airlines on this route include American Airlines, Delta, and United.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Kingsford Smith Intl. (SYD) are in the morning, from 9am to 12pm. Many major carriers, including United, Delta and American Airlines, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.). The distance between these two cities is approximately 15,624 kilometres. If you're looking for flights with one stop, you can expect the journey to take around 24 hours and 18 minutes. Flights with two or more stops typically take a bit longer, averaging about 25 hours. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific route and layover times.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Yes, you can fly business class or first class between Buffalo, NY (BUF-Buffalo Niagara Intl.) and Sydney, NSW (SYD-Kingsford Smith Intl.).Airlines that offer business class service on this route include:
  • Delta
  • United
First class cabins are available on United.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney, NSW (SYD) from Buffalo, NY (BUF)?
If you're planning to travel to Sydney from Buffalo Niagara Intl. (BUF), you can fly directly into Kingsford Smith Intl. (SYD). Some flights may connect through major hubs like O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT), or Detroit Metropolitan Wayne County (DTW) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Delta, Qatar Airways, Turkish Airlines, United
Roundtrip price
CA $1,661
Distance
15530 km

Book with confidence

Buffalo to Sydney Flights

The easy way to book your flights from Buffalo to Sydney 

With Expedia, it’s simple to find and book flights to Sydney from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kingsford Smith Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buffalo to Sydney today, tomorrow, or this week.  

 

Save dollars with cheap flights from Buffalo Niagara Intl., BUF to Kingsford Smith Intl., SYD 

Sort your search results by price to find great deals on your flight from Buffalo to Sydney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sydney from Buffalo currently is just CA $1,661 rising to CA $2,105.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Sydney  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Sydney from Buffalo 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sydney with Expedia today.

Buffalo to Sydney Flights

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*Available to Expedia members.