HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$848+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Australia 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 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 June 9, 2026.

This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/2910:57 am
BUF
-
SYD
2 stops29h 58m
United Airlines
Sun 8/3010:20 am
SYD
-
BUF
2 stops24h 51m
United Airlines
Deal found 6/7$1,147
This Delta deal was found by Cheapflights users on 6/7. 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 8/27:36 pm
BUF
-
SYD
2 stops45h 14m
Delta
Sun 8/309:15 am
SYD
-
BUF
2 stops29h 25m
Delta
Deal found 6/7$1,148
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:29 am
BUF
-
SYD
2 stops34h 21m
Delta
Mon 7/69:15 am
SYD
-
BUF
2 stops36h 59m
Delta
Deal found 6/9$1,164
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/293:00 pm
BUF
-
SYD
2 stops26h 00m
United Airlines
Fri 9/410:20 am
SYD
-
BUF
2 stops24h 47m
United Airlines
Deal found 6/7$1,198
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:55 pm
BUF
-
SYD
2 stops24h 00m
American Airlines
Thu 7/29:10 am
SYD
-
BUF
2 stops26h 45m
American Airlines
Deal found 6/7$1,210
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 7/236:29 am
BUF
-
SYD
2 stops34h 21m
Delta
Wed 8/59:15 am
SYD
-
BUF
2 stops29h 25m
Delta
Deal found 6/8$1,214
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 6/83:00 pm
BUF
-
SYD
2 stops26h 00m
United Airlines
Thu 7/29:30 am
SYD
-
BUF
2 stops51h 28m
United Airlines
Deal found 6/4$1,231
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 7/301:54 pm
BUF
-
SYD
2 stops27h 06m
United Airlines
Thu 9/39:30 am
SYD
-
BUF
2 stops25h 37m
United Airlines
Deal found 6/7$1,247
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:47 pm
BUF
-
SYD
2 stops27h 43m
American Airlines
Fri 8/149:10 am
SYD
-
BUF
2 stops27h 51m
American Airlines
Deal found 6/7$1,260
This Delta deal was found by Cheapflights users on 6/7. 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.
Wed 7/296:00 am
BUF
-
SYD
2 stops34h 50m
Delta
Wed 9/29:15 am
SYD
-
BUF
2 stops29h 25m
Delta
Deal found 6/7$1,298
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/291:54 pm
BUF
-
SYD
2 stops27h 06m
United Airlines
Tue 9/19:30 am
SYD
-
BUF
2 stops27h 07m
United Airlines
Deal found 6/7$1,347
This BusinessClass deal was found by Cheapflights users on 6/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:50 pm
BUF
-
BNE
2 stops31h 45m
Multiple Airlines
Sat 10/37:00 am
BNE
-
BUF
2 stops29h 59m
Multiple Airlines
Deal found 6/8$1,608

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 June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,147
(United Airlines)

Popular in

September

Cheapest in

February

Average price

$1,165
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
Highest demand for flights based on searches. 4% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 9, 2026.
Use the filters below to find and compare flights from Buffalo to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 6/29

6:29 am-6:50 am

2 stops34h 21m

Sydney Kingsford Smith

Mon 7/6

9:15 am-8:14 am

2 stops36h 59m

$1,164

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/23

6:29 am-6:50 am

2 stops34h 21m

Sydney Kingsford Smith

Wed 8/5

9:15 am-12:40 am

2 stops29h 25m

$1,214

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/30

1:54 pm-7:00 am

2 stops27h 06m

Sydney Kingsford Smith

Fri 9/4

9:30 am-9:07 pm

2 stops25h 37m

$1,247

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/23

1:47 pm-7:05 am

2 stops27h 18m

Sydney Kingsford Smith

Wed 8/5

12:00 pm-11:01 pm

1 stop25h 01m

$1,360

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 8/1

7:36 pm-6:50 am

2 stops45h 14m

Sydney Kingsford Smith

Sun 8/30

9:15 am-12:40 am

2 stops29h 25m

$1,392

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/30

9:00 am-7:00 am

2 stops32h 00m

Sydney Kingsford Smith

Tue 9/1

9:30 am-10:37 pm

2 stops27h 07m

$1,414

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 7/5

7:06 am-6:55 am

2 stops33h 49m

Sydney Kingsford Smith

Sun 7/12

10:20 am-10:00 am

2 stops37h 40m

$1,463

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 7/19

6:15 am-6:55 am

2 stops34h 40m

Sydney Kingsford Smith

Sun 7/26

9:30 am-11:59 pm

2 stops28h 29m

$1,525

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 7/18

10:57 am-7:00 am

2 stops30h 03m

Sydney Kingsford Smith

Sat 7/25

9:30 am-11:59 pm

2 stops28h 29m

$1,563

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/30

9:00 am-7:00 am

2 stops32h 00m

Sydney Kingsford Smith

Mon 8/31

9:30 am-10:37 pm

2 stops27h 07m

$1,574

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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, February is the cheapest month in which you can book a flight from Buffalo to Australia (average of $192). Flying from Buffalo to Australia in January is currently the most expensive (average of $1,413). 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.

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 June 9, 2026.
Read through reviews of airlines operating flights from Buffalo to Australia, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,640 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.1

Crew

7.9

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,640 reviews
American Airlines
7.1
Good
11,640 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.1

Crew

7.9

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 United Airlines, Delta, and American Airlines fly from Buffalo to Australia in about 29h 58m. The time it takes to get you to your destination can typically vary by up to 15h 16m. The distance between Buffalo and Australia is about 9700 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, February is the cheapest month in which you can book a flight from Buffalo to Australia (average of $192). Flying from Buffalo to Australia in January is currently the most expensive (average of $1,413). 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 airline flying from Buffalo to Australia

Discover the top airline 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,166Average$1,439FlexibilityNo cancel feeOn-time71%

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.