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$698+ Cheap flights from Buffalo (BUF) to Australia

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Buffalo to Australia

Cheapest flights from Buffalo to Australia
Explore the most affordable flight options available from Buffalo to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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 12/1110:10 amBUF - MEL
2 stops31h 20mUnited Airlines
Thu 12/181:00 pmMEL - BUF
2 stops25h 50mUnited Airlines
Deal found 12/8$1,290
This Delta deal was found by Cheapflights users on 12/7. 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 12/286:00 amBUF - SYD
2 stops32h 50mDelta
Mon 1/122:15 pmSYD - BUF
2 stops26h 01mDelta
Deal found 12/7$1,867
This United Airlines deal was found by Cheapflights users on 12/7. 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 stops27h 06mUnited Airlines
Sun 1/1111:20 amSYD - BUF
2 stops25h 09mUnited Airlines
Deal found 12/7$2,142
This Delta deal was found by Cheapflights users on 12/8. 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 12/286:00 amBUF - SYD
2 stops32h 50mDelta
Sun 1/1110:40 amSYD - BUF
2 stops29h 36mDelta
Deal found 12/8$2,192
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Fri 12/121:50 pmBUF - SYD
2 stops24h 30mUnited Airlines
Sun 12/2111:20 amSYD - BUF
2 stops23h 46mUnited Airlines
Deal found 12/7$2,268
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Fri 12/121:50 pmBUF - SYD
2 stops24h 30mUnited Airlines
Sat 12/2011:20 amSYD - BUF
2 stops23h 46mUnited Airlines
Deal found 12/7$2,318
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Fri 12/266:00 amBUF - SYD
2 stops33h 00mUnited Airlines
Mon 1/52:00 pmSYD - BUF
3 stops46h 29mUnited Airlines
Deal found 12/7$2,368
This Delta deal was found by Cheapflights users on 12/7. 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.
Fri 12/266:54 pmBUF - SYD
2 stops67h 56mDelta
Tue 1/62:15 pmSYD - BUF
2 stops38h 59mDelta
Deal found 12/7$2,677
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 12/122:50 pmBUF - SYD
2 stops26h 10mAmerican Airlines
Sun 12/212:05 pmSYD - BUF
1 stop24h 24mAmerican Airlines
Deal found 12/9$2,752
This Korean Air deal was found by Cheapflights users on 12/9. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:25 pmBUF - BNE
2 stops44h 55mMultiple Airlines
Tue 12/168:35 amBNE - BUF
2 stops30h 41mMultiple Airlines
Deal found 12/9$27,792

Find flight deals from Buffalo to Australia

Keep the following information in mind while searching for Buffalo to Australia flight deals. Data was last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,042
(Delta)

One-way from

$698
(United 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 Australia
Search Deals
One-way flight from Buffalo to Australia
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 Australia 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 9, 2025.
Use the filters below to find and compare flights from Buffalo to Australia that are best for you.

Fly from

Buffalo

Fly to

Australia

Route

Depart

Return

Price

BuffaloBrisbane

BUF - BNE

BUFBNE

Buffalo

Wed 1/21

6:00 am-8:20 am

2 stops35h 20m

Brisbane

Wed 1/28

11:05 am-9:53 am

2 stops37h 48m

$1,042

BuffaloBrisbane

BUF - BNE

BUFBNE

Buffalo

Sun 2/8

8:30 am-7:30 am

2 stops32h 00m

Brisbane

Thu 2/12

11:40 am-11:01 pm

2 stops26h 21m

$1,043

BuffaloBrisbane

BUF - BNE

BUFBNE

Buffalo

Wed 1/21

1:59 pm-7:30 am

2 stops26h 31m

Brisbane

Wed 1/28

11:40 am-7:25 pm

2 stops22h 45m

$1,043

BuffaloBrisbane

BUF - BNE

BUFBNE

Buffalo

Sat 3/14

8:17 am-6:30 am

2 stops32h 13m

Brisbane

Sat 3/28

10:40 am-11:10 pm

2 stops26h 30m

$1,043

BuffaloBrisbane

BUF - BNE

BUFBNE

Buffalo

Wed 1/21

6:53 am-6:30 am

1 stop32h 37m

Brisbane

Wed 1/28

7:40 pm-10:52 am

2 stops30h 12m

$1,166

BuffaloBrisbane

BUF - BNE

BUFBNE

Buffalo

Thu 1/22

12:58 pm-6:30 am

2 stops26h 32m

Brisbane

Thu 1/29

9:40 am-4:57 pm

2 stops22h 17m

$1,184

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 3/11

8:00 am-5:55 pm

2 stops42h 55m

Sydney Kingsford Smith

Fri 3/20

9:45 pm-6:57 pm

2 stops36h 12m

$1,275

BuffaloMelbourne

BUF - MEL

BUFMEL

Buffalo

Sun 3/1

8:25 am-10:00 am

2 stops33h 35m

Melbourne

Sun 3/22

10:30 am-8:51 pm

2 stops25h 21m

$1,289

BuffaloMelbourne

BUF - MEL

BUFMEL

Buffalo

Fri 3/13

1:52 pm-8:30 am

2 stops27h 38m

Melbourne

Sat 3/21

10:30 am-11:42 pm

2 stops28h 12m

$1,290

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 3/14

9:54 am-5:55 pm

2 stops41h 01m

Sydney Kingsford Smith

Mon 3/23

9:45 pm-8:53 pm

2 stops62h 08m

$1,295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 42 results
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Best time to book a flight from Buffalo to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

What is the cheapest month to book a flight from Buffalo to Australia?

Currently, August is the cheapest month in which you can book a flight from Buffalo to Australia (average of $276). Flying from Buffalo to Australia 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 AU?

Find hourly flight availability from Buffalo to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 33% on flights from Buffalo to Australia by exploring options for tickets in the evening.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated December 9, 2025.
Read through reviews of airlines operating flights from Buffalo to Australia, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

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
9,089 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

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
11,045 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

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 Australia. 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 Australia?

    Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Buffalo to Australia.

  • How long is the flight from Buffalo to Australia?

    Airlines like Delta, United Airlines, and Etihad Airways fly from Buffalo to Australia in about 32h. The time it takes to get you to your destination can typically vary by up to 10h 55m. The distance between Buffalo and Australia is about 9365 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Buffalo to Australia?

    The most popular route from Buffalo to Australia is Buffalo - Sydney Kingsford Smith. You may also consider Buffalo - Melbourne or Buffalo - Brisbane.

  • Can I find deals for flights from Buffalo to Australia that include hotel bookings?

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

  • How can I find direct flights from Buffalo to Australia?

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

  • Can I find deals for business class flights from Buffalo to Australia?

    Yes. Cheapflights offers flight deals from Buffalo to Australia 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 Australia?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to Australia (average of $276). Flying from Buffalo to Australia 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

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Alternative routes for Buffalo to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Buffalo to Australia

Discover the top 3 airlines that operate flights from Buffalo to Australia. 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 9, 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%

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