HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New South Wales

$754+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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

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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/18. 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 12/281:59 pmBUF - SYD
2 stops25h 01mUnited Airlines
Mon 1/1211:20 amSYD - BUF
2 stops24h 05mUnited Airlines
Deal found 12/18$1,867
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:01 pmBUF - SYD
2 stops28h 29mDelta
Mon 1/122:15 pmSYD - BUF
2 stops25h 41mDelta
Deal found 12/17$1,868
This American Airlines deal was found by Cheapflights users on 12/18. 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 1/122:05 pmSYD - BUF
1 stop23h 01mAmerican Airlines
Deal found 12/18$2,348
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/281:37 pmBUF - SYD
2 stops25h 18mAmerican Airlines
Sun 1/112:05 pmSYD - BUF
1 stop23h 01mAmerican Airlines
Deal found 12/17$2,352
This Cathay Pacific deal was found by Cheapflights users on 12/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amBUF - SYD
2 stops37h 00mMultiple Airlines
Mon 1/126:25 pmSYD - BUF
3 stops45h 23mMultiple Airlines
Deal found 12/18$3,136
This Cathay Pacific deal was found by Cheapflights users on 12/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amBUF - SYD
2 stops37h 00mMultiple Airlines
Sun 1/116:10 pmSYD - BUF
3 stops45h 38mMultiple Airlines
Deal found 12/18$3,577

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,108
(Trip.com)

One-way from

$754
(American Airlines)

Popular in

February

Cheapest in

December

Average price

$1,295
Provider with most accurate pricing for Buffalo-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Sydney Kingsford Smith flights.
Search Deals
From Buffalo to New South Wales
Search Deals
One-way flight from Buffalo to New South Wales
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 3/1

12:34 pm-6:55 am

2 stops26h 21m

Sydney Kingsford Smith

Tue 3/10

11:20 am-11:31 pm

2 stops27h 11m

$1,201

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 4/28

2:44 pm-6:55 am

2 stops26h 11m

Sydney Kingsford Smith

Tue 5/12

9:30 am-6:21 pm

2 stops22h 51m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 4/29

6:00 am-6:35 am

2 stops34h 35m

Sydney Kingsford Smith

Wed 5/13

9:15 am-11:02 am

2 stops39h 47m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 4/28

1:55 pm-7:00 am

2 stops27h 05m

Sydney Kingsford Smith

Mon 5/18

10:20 am-8:31 pm

2 stops24h 11m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 5/2

4:57 pm-6:35 am

2 stops47h 38m

Sydney Kingsford Smith

Sun 5/17

9:15 am-11:57 pm

2 stops28h 42m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 5/3

2:44 pm-7:00 am

2 stops26h 16m

Sydney Kingsford Smith

Mon 5/18

10:20 am-10:45 pm

2 stops26h 25m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 5/3

2:44 pm-7:00 am

2 stops26h 16m

Sydney Kingsford Smith

Sun 5/17

9:30 am-10:45 pm

2 stops27h 15m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 4/28

1:55 pm-7:00 am

2 stops27h 05m

Sydney Kingsford Smith

Wed 5/13

9:30 am-8:31 pm

2 stops25h 01m

$1,285

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 4/30

12:07 pm-6:35 am

2 stops28h 28m

Sydney Kingsford Smith

Mon 5/18

9:15 am-11:57 pm

2 stops28h 42m

$1,335

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 5/1

12:07 pm-6:35 am

2 stops28h 28m

Sydney Kingsford Smith

Sun 5/17

9:15 am-11:57 pm

2 stops28h 42m

$1,335

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 16 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 December 18, 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 December 18, 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.
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

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.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

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.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

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.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

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 26h 11m. The time it takes to get you to your destination can typically vary by up to 8h 24m. Airlines will cover a distance of 9700 mi. This flight may include one or multiple stops.

  • 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.

Alternative routes for Buffalo to New South Wales

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
LaGuardia to Sydney flights
John F Kennedy Intl to Melbourne flights
Newark to Melbourne flights
LaGuardia to Melbourne flights
John F Kennedy Intl to Avalon flights
John F Kennedy Intl to Brisbane flights
Newark to Brisbane flights
John F Kennedy Intl to Perth flights
LaGuardia to Brisbane flights
Newark to Perth flights
LaGuardia to Perth flights
Newark to Adelaide flights
LaGuardia to Cairns flights
Buffalo to Melbourne flights
John F Kennedy Intl to Adelaide flights
John F Kennedy Intl to Cairns flights
Buffalo to Sydney flights
LaGuardia to Adelaide flights
Newark to Avalon flights
Buffalo to Brisbane flights
Syracuse to Sydney flights
Newark to Coolangatta flights
Newark to Canberra flights
Rochester to Sydney flights
LaGuardia to Coolangatta flights
John F Kennedy Intl to Coolangatta flights
John F Kennedy Intl to Canberra flights
White Plains to Sydney flights
Newark to Cairns flights
John F Kennedy Intl to Hobart flights
John F Kennedy Intl to Darwin flights
Syracuse to Brisbane flights
Newark to Darwin flights
John F Kennedy Intl to Coffs Harbour flights
Rochester to Brisbane flights
Albany to Brisbane flights
LaGuardia to Darwin flights
Newark to Maroochydore flights
John F Kennedy Intl to Maroochydore flights
Newark to Townsville flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,919FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,166Average$1,595FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,295Average$1,658FlexibilityNo 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.