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Cheap flights from Buffalo to Sydney from C$ 1,106

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 2,016

One-way from

C$ 1,106

Popular in

April

Cheapest in

November

Average price

C$ 1,993
United Airlines
  • United Airlines
  • 21/9-5/10
  • 5 total stops
  • 51h 53m total
  • Buffalo to Sydney
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Delta
  • Delta
  • 12/10
  • 2 total stops
  • 45h 05m total
  • Buffalo to Sydney
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Highest demand for flights based on searches. 7% potential increase in price (C$ 243 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 68 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 September 2025.

Sun 21/92:50 p.m.BUF - SYD
2 stops26h 10mUnited Airlines
Sun 5/1010:30 a.m.SYD - BUF
3 stops25h 43mUnited Airlines
Deal found 8/9C$ 2,016
Wed 8/1010:28 a.m.BUF - SYD
2 stops30h 32mUnited Airlines
Fri 7/1111:20 a.m.SYD - BUF
2 stops27h 32mUnited Airlines
Deal found 9/9C$ 2,181
Wed 8/1010:28 a.m.BUF - SYD
2 stops30h 32mUnited Airlines
Sat 1/1112:10 p.m.SYD - BUF
2 stops37h 53mUnited Airlines
Deal found 10/9C$ 2,198
Thu 9/1011:12 a.m.BUF - SYD
2 stops27h 53mAmerican Airlines
Sun 9/1111:20 a.m.SYD - BUF
2 stops27h 29mAmerican Airlines
Deal found 9/9C$ 2,205
Sat 13/910:55 a.m.BUF - SYD
2 stops30h 00mUnited Airlines
Mon 15/910:20 a.m.SYD - BUF
2 stops22h 41mUnited Airlines
Deal found 9/9C$ 2,292
Tue 7/107:30 p.m.BUF - SYD
2 stops45h 05mDelta
Sun 2/1110:40 a.m.SYD - BUF
2 stops28h 59mDelta
Deal found 10/9C$ 2,336
Tue 7/101:57 p.m.BUF - SYD
2 stops27h 03mUnited Airlines
Fri 10/1010:30 a.m.SYD - BUF
3 stops25h 43mUnited Airlines
Deal found 9/9C$ 2,415
Thu 9/106:00 a.m.BUF - SYD
2 stops35h 05mAmerican Airlines
Mon 10/1111:20 a.m.SYD - BUF
2 stops28h 06mAmerican Airlines
Deal found 9/9C$ 2,462
Fri 10/107:45 p.m.BUF - SYD
2 stops45h 15mUnited Airlines
Tue 11/1111:20 a.m.SYD - BUF
2 stops23h 26mUnited Airlines
Deal found 9/9C$ 2,532
Mon 6/107:30 p.m.BUF - SYD
2 stops45h 05mDelta
Fri 10/1010:25 a.m.SYD - BUF
2 stops44h 36mDelta
Deal found 9/9C$ 2,668
Wed 8/1010:28 a.m.BUF - SYD
2 stops30h 32mUnited Airlines
Fri 10/1010:30 a.m.SYD - BUF
3 stops25h 43mUnited Airlines
Deal found 9/9C$ 2,677
Thu 9/108:25 a.m.BUF - SYD
2 stops32h 35mUnited Airlines
Sun 9/1111:50 a.m.SYD - BUF
2 stops22h 54mUnited Airlines
Deal found 9/9C$ 2,680

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 11 September 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

2:50 p.m.-8:00 a.m.

2 stops26h 10m

Sydney Kingsford Smith

Sun 9/11

11:50 a.m.-9:00 p.m.

2 stops25h 10m

C$ 2,181

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/10

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

2 stops27h 03m

Sydney Kingsford Smith

Tue 11/11

12:10 p.m.-10:03 a.m.

2 stops37h 53m

C$ 2,181

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

10:28 a.m.-8:00 a.m.

2 stops30h 32m

Sydney Kingsford Smith

Tue 11/11

12:10 p.m.-10:52 p.m.

2 stops26h 42m

C$ 2,181

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

2:50 p.m.-8:00 a.m.

2 stops26h 10m

Sydney Kingsford Smith

Sat 8/11

12:10 p.m.-9:00 p.m.

2 stops24h 50m

C$ 2,181

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

10:28 a.m.-8:00 a.m.

2 stops30h 32m

Sydney Kingsford Smith

Fri 7/11

11:20 a.m.-10:52 p.m.

2 stops27h 32m

C$ 2,181

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

2:50 p.m.-8:00 a.m.

2 stops26h 10m

Sydney Kingsford Smith

Mon 10/11

12:10 p.m.-9:00 p.m.

2 stops24h 50m

C$ 2,181

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

10:28 a.m.-8:00 a.m.

2 stops30h 32m

Sydney Kingsford Smith

Fri 31/10

10:20 a.m.-6:46 p.m.

2 stops23h 26m

C$ 2,198

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 11/10

7:45 p.m.-7:55 a.m.

2 stops45h 10m

Sydney Kingsford Smith

Fri 7/11

12:10 p.m.-6:46 p.m.

2 stops22h 36m

C$ 2,198

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

10:28 a.m.-8:00 a.m.

2 stops30h 32m

Sydney Kingsford Smith

Sat 1/11

12:10 p.m.-11:03 a.m.

2 stops37h 53m

C$ 2,198

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/10

10:28 a.m.-8:00 a.m.

2 stops30h 32m

Sydney Kingsford Smith

Wed 29/10

12:10 p.m.-9:00 p.m.

2 stops23h 50m

C$ 2,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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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.

How much does it cost to fly round-trip from Buffalo to Sydney?

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 11 September 2025.
Read reviews from past customers who have flown United Airlines from Buffalo to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from Buffalo to Sydney?

    There are many flights that can get you from Buffalo to Sydney in 26h 10m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 15611 km.

  • What is the cheapest airline to fly from Buffalo to Sydney round-trip?

    Cheapflights users have booked flights from Buffalo to Sydney round-trip from C$ 1,470. United Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Buffalo to Sydney one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 1,106. Users have also found prices from C$ 1,236 and C$ 1,431 on United Airlines and American Airlines, respectively.

  • 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 Sydney?

Book flights to Sydney 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,470AverageC$ 2,034FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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