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Cheap flights from Buffalo to Sydney from C$ 1,854

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Buffalo to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 June 2025.

Round-trip from

C$ 1,989

One-way from

C$ 1,854

Popular in

December

Cheapest in

November

Average price

C$ 2,002
United Airlines
  • United Airlines
  • 8/10-2/11
  • 4 total stops
  • 53h 38m total
  • Buffalo to Sydney
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1/10
  • 1/10
  • 1 total stop
  • 23h 18m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Buffalo to Sydney

Cheapest flights from Buffalo to Sydney
Explore the most affordable flight options available from Buffalo to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Wed 8/102:50 p.m.BUF - SYD
2 stops26h 05mUnited Airlines
Sat 1/1110:20 a.m.SYD - BUF
2 stops39h 28mUnited Airlines
Deal found 10/6C$ 1,989
Wed 24/95:37 p.m.BUF - SYD
1 stop23h 18mMultiple Airlines
Sun 19/101:10 p.m.SYD - BUF
1 stop24h 18mMultiple Airlines
Deal found 10/6C$ 2,208
Thu 10/712:50 p.m.BUF - SYD
2 stops27h 45mDelta
Thu 17/79:25 a.m.SYD - BUF
2 stops28h 34mDelta
Deal found 10/6C$ 2,260

Cheapflights Fare Finder

Customize your flight search to find flights from Buffalo to Sydney 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Buffalo to Sydney that are best for you.

Fly from

Buffalo

Fly to

Sydney

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

1:57 p.m.-8:00 a.m.

2 stops27h 03m

Sydney Kingsford Smith

Sun 2/11

12:10 p.m.-11:45 p.m.

2 stops26h 35m

C$ 1,989

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 24/9

5:37 p.m.-6:55 a.m.

1 stop23h 18m

Sydney Kingsford Smith

Sun 19/10

1:10 p.m.-10:28 p.m.

1 stop24h 18m

C$ 2,208

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 10/7

12:50 p.m.-6:35 a.m.

2 stops27h 45m

Sydney Kingsford Smith

Thu 17/7

9:25 a.m.-11:59 p.m.

2 stops28h 34m

C$ 2,260

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 1/10

5:37 p.m.-6:55 a.m.

1 stop23h 18m

C$ 1,854

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Best time to book a flight from Buffalo to Sydney

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

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

Currently, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of C$ 1,326). Flying from Buffalo to Sydney in December is currently the most expensive (average of C$ 1,881). 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 SYD?

Find hourly flight availability from Buffalo to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 12% on flights from Buffalo to Sydney by exploring options for tickets at noon.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 mm per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 12 June 2025.
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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 Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Buffalo to Sydney round-trip?

    Cheapflights users have booked flights from Buffalo to Sydney round-trip from C$ 1,989. Another airline that can offer you cheap pricing is Delta. United Airlines is 10% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of C$ 1,326). Flying from Buffalo to Sydney in December is currently the most expensive (average of C$ 1,881). 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

Travelling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Parramatta
Penrith

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Buffalo to Sydney

Discover the top airline that operate flights from Buffalo to Sydney. 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,630AverageC$ 2,094FlexibilityNo cancel feeOn-time69%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Sydney?

Cheapflights helps you search for flights from Buffalo to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Sydney.

Can Cheapflights find flights from Buffalo to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Buffalo to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Buffalo today and book when prices fit your budget.

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