New South Wales

$721+ Cheap flights from Buffalo (BUF) to New South Wales

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Dec 17 — Dec 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to New South Wales with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Buffalo to New South Wales

Keep the following information in mind while searching for Buffalo to New South Wales flight deals. Data was last updated November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,278
(American Airlines)

One-way from

$721
(Thrive Travel)

Popular in

April

Cheapest in

March

Average price

$1,417
Provider with most accurate pricing for Buffalo-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Buffalo-Sydney Kingsford Smith flights.
From Buffalo to New South Wales
One-way flight from Buffalo to New South Wales
Highest demand for flights based on searches. 7% potential increase in price ($117 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Buffalo to New South Wales

Cheapest flights from Buffalo to New South Wales
Explore the most affordable flight options available from Buffalo to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:10 amBUF - SYD
2 stops34h 20mDelta
Mon 1/1210:40 amSYD - BUF
2 stops28h 17mDelta
Deal found 11/16$1,716
This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:10 amBUF - SYD
2 stops34h 20mDelta
Sun 1/1110:40 amSYD - BUF
2 stops28h 17mDelta
Deal found 11/16$1,961
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:29 amBUF - SYD
2 stops27h 51mUnited Airlines
Mon 5/259:30 amSYD - BUF
2 stops27h 07mUnited Airlines
Deal found 11/17$2,101
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:24 amBUF - SYD
1 stop32h 31mAmerican Airlines
Fri 1/92:05 pmSYD - BUF
2 stops25h 43mAmerican Airlines
Deal found 11/16$2,151
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:31 amBUF - SYD
2 stops29h 29mAmerican Airlines
Sun 12/2111:20 amSYD - BUF
2 stops28h 12mAmerican Airlines
Deal found 11/16$2,449
This Orbitz deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:45 amBUF - SYD
2 stops41h 05mQatar Airways
Sat 11/229:40 pmSYD - BUF
2 stops53h 54mQatar Airways
Deal found 11/16$2,529
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:59 pmBUF - SYD
2 stops27h 16mUnited Airlines
Thu 1/111:50 amSYD - BUF
2 stops41h 34mUnited Airlines
Deal found 11/16$2,986
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:24 amBUF - SYD
1 stop32h 31mAmerican Airlines
Mon 1/1211:20 amSYD - BUF
2 stops25h 46mAmerican Airlines
Deal found 11/17$3,175

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to New South Wales 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 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Buffalo to New South Wales that are best for you.

Fly from

Buffalo

Fly to

New South Wales

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 5/10

1:22 pm-7:05 am

2 stops27h 43m

Sydney Kingsford Smith

Sun 5/31

9:10 am-6:04 pm

2 stops22h 54m

$1,278

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 3/3

11:29 am-7:00 am

2 stops27h 31m

Sydney Kingsford Smith

Wed 3/18

11:50 am-11:35 pm

2 stops26h 45m

$1,282

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 3/1

11:20 am-7:00 am

2 stops27h 40m

Sydney Kingsford Smith

Wed 3/18

12:10 pm-11:35 pm

2 stops26h 25m

$1,282

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 5/10

7:00 am-7:00 am

3 stops34h 00m

Sydney Kingsford Smith

Sun 5/31

9:30 am-6:21 pm

2 stops22h 51m

$1,296

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 2/28

5:44 pm-6:50 am

2 stops45h 06m

Sydney Kingsford Smith

Wed 3/18

9:40 am-11:07 pm

2 stops28h 27m

$1,314

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 2/28

5:44 pm-6:50 am

2 stops45h 06m

Sydney Kingsford Smith

Sun 3/22

9:40 am-11:07 pm

2 stops28h 27m

$1,314

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

12:14 pm-6:50 am

2 stops26h 36m

Sydney Kingsford Smith

Tue 3/17

1:15 pm-11:57 pm

2 stops25h 42m

$1,332

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 2/27

12:14 pm-8:30 am

2 stops28h 16m

Sydney Kingsford Smith

Sun 3/22

9:40 am-11:57 pm

2 stops29h 17m

$1,332

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 2/27

12:14 pm-8:30 am

2 stops28h 16m

Sydney Kingsford Smith

Tue 3/17

9:40 am-11:57 pm

2 stops29h 17m

$1,332

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

12:14 pm-6:50 am

2 stops26h 36m

Sydney Kingsford Smith

Mon 3/16

1:15 pm-11:57 pm

2 stops25h 42m

$1,332

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 19 results
1
2

Best time to book a flight from Buffalo to New South Wales

Have a flexible travel schedule? Discover the best time to fly to New South Wales from Buffalo with our price prediction graph.
Estimated round-trip 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 New South Wales

What is the cheapest month to book a flight from Buffalo to New South Wales?

Currently, August is the cheapest month in which you can book a flight from Buffalo to New South Wales (average of $276). Flying from Buffalo to New South Wales in May is currently the most expensive (average of $1,594). 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.

What is the cheapest time of day to fly from BUF to NSW?

Find hourly flight availability from Buffalo to New South Wales. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to New South Wales in the evening. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing New South Wales

Get insights into the airlines that provide service to New South Wales. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New South Wales. Reviews last updated November 17, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Buffalo to New South Wales to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to New South Wales. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Buffalo to New South Wales?

    Located just 8.3 mi from the city center, Buffalo (BUF) is the airport most travelers will use when flying to New South Wales from Buffalo.

  • How long is the flight from Buffalo to New South Wales?

    Airlines like American Airlines, United Airlines, and Delta fly from Buffalo to New South Wales in about 27h 31m. The time it takes to get you to your destination can typically vary by up to 17h 35m. Airlines will cover a distance of 9700 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Buffalo to New South Wales one-way?

    One-way options have recently been found by users for as low as $832 on Delta. Other airlines that offer cheap prices include United Airlines from $832 and American Airlines from $909 one-way.

  • Can I find deals for flights from Buffalo to New South Wales that include hotel bookings?

    Yes. In addition to deals on Buffalo to New South Wales flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to New South Wales?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to New South Wales.

  • Can I find deals for business class flights from Buffalo to New South Wales?

    Yes. Cheapflights offers flight deals from Buffalo to New South Wales 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 New South Wales?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to New South Wales (average of $276). Flying from Buffalo to New South Wales in May is currently the most expensive (average of $1,594). 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

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.

Top 3 airlines flying from Buffalo to New South Wales

Discover the top 3 airlines that operate flights from Buffalo to New South Wales. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,166Average$1,595FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,193Average$1,560FlexibilityNo cancel feeOn-time69%

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.