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Cheap flights from Buffalo to Sydney from C$ 1,163

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
28 nov. — 5 dic.1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Buffalo to Sydney

Enter your travel dates to find the best prices.

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 29 octubre 2025.

mié. 5/1111:48 a.m.BUF - SYD
2 stops29h 27mUnited Airlines
mar. 9/1211:20 a.m.SYD - BUF
2 stops25h 55mUnited Airlines
Deal found 27/10C$ 1,810
mié. 24/126:00 a.m.BUF - SYD
2 stops58h 30mDelta
dom. 11/110:40 a.m.SYD - BUF
2 stops28h 19mDelta
Deal found 28/10C$ 2,143
lun. 10/1110:07 a.m.BUF - SYD
2 stops31h 28mMultiple Airlines
mar. 18/1110:20 p.m.SYD - BUF
2 stops41h 16mMultiple Airlines
Deal found 29/10C$ 2,191
mié. 26/116:10 a.m.BUF - SYD
2 stops34h 20mDelta
mié. 3/1210:40 a.m.SYD - BUF
2 stops29h 19mDelta
Deal found 28/10C$ 2,219
dom. 28/125:35 p.m.BUF - SYD
2 stops47h 30mUnited Airlines
lun. 12/111:50 a.m.SYD - BUF
2 stops41h 34mUnited Airlines
Deal found 28/10C$ 2,240
mar. 23/126:30 a.m.BUF - SYD
2 stops58h 35mUnited Airlines
dom. 11/12:00 p.m.SYD - BUF
2 stops40h 14mUnited Airlines
Deal found 28/10C$ 2,258
dom. 2/119:03 a.m.BUF - SYD
2 stops31h 27mDelta
sáb. 8/1110:40 a.m.SYD - BUF
2 stops28h 59mDelta
Deal found 29/10C$ 2,317
mar. 23/126:30 a.m.BUF - SYD
2 stops58h 35mUnited Airlines
vie. 9/112:10 p.m.SYD - BUF
2 stops42h 04mUnited Airlines
Deal found 28/10C$ 2,328
mar. 23/126:30 a.m.BUF - SYD
2 stops58h 35mUnited Airlines
jue. 8/12:00 p.m.SYD - BUF
2 stops45h 25mUnited Airlines
Deal found 28/10C$ 2,336
mié. 24/126:00 a.m.BUF - SYD
2 stops58h 30mDelta
sáb. 10/110:40 a.m.SYD - BUF
2 stops28h 19mDelta
Deal found 28/10C$ 2,402
jue. 25/122:06 p.m.BUF - SYD
2 stops26h 24mDelta
dom. 11/110:40 a.m.SYD - BUF
2 stops28h 19mDelta
Deal found 28/10C$ 2,412

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 29 octubre 2025.

Round-trip from

C$ 2,143

One-way from

C$ 1,163

Popular in

April

Cheapest in

November

Average price

C$ 2,041
Delta
  • Delta
  • 24/12-11/1
  • 4 total stops
  • 86h 49m total
  • Buffalo to Sydney
Search Deals
Delta
  • Delta
  • 15/1
  • 2 total stops
  • 32h 47m total
  • Buffalo to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 29 octubre 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

lun. 10/11

10:07 a.m.-9:35 a.m.

2 stops31h 28m

Sydney Kingsford Smith

mar. 18/11

10:20 p.m.-11:36 p.m.

2 stops41h 16m

C$ 2,191

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 26/11

6:10 a.m.-8:30 a.m.

2 stops34h 20m

Sydney Kingsford Smith

mié. 3/12

10:40 a.m.-11:59 p.m.

2 stops29h 19m

C$ 2,219

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 3/12

6:00 a.m.-8:30 a.m.

2 stops34h 30m

Sydney Kingsford Smith

mié. 10/12

10:40 a.m.-11:59 p.m.

2 stops29h 19m

C$ 2,219

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mar. 23/12

6:30 a.m.-9:05 a.m.

2 stops58h 35m

Sydney Kingsford Smith

jue. 8/1

2:00 p.m.-7:25 p.m.

2 stops45h 25m

C$ 2,336

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom. 28/12

5:35 p.m.-7:00 a.m.

2 stops45h 25m

Sydney Kingsford Smith

lun. 12/1

11:20 a.m.-8:29 p.m.

2 stops25h 09m

C$ 2,384

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

jue. 25/12

2:06 p.m.-8:30 a.m.

2 stops26h 24m

Sydney Kingsford Smith

dom. 11/1

10:40 a.m.-10:59 p.m.

2 stops28h 19m

C$ 2,412

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 24/12

6:30 a.m.-9:05 a.m.

2 stops34h 35m

Sydney Kingsford Smith

vie. 9/1

12:10 p.m.-2:14 p.m.

2 stops42h 04m

C$ 2,489

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 24/12

6:30 a.m.-9:05 a.m.

2 stops34h 35m

Sydney Kingsford Smith

jue. 8/1

2:00 p.m.-8:29 p.m.

2 stops46h 29m

C$ 2,518

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mar. 23/12

6:30 a.m.-9:05 a.m.

2 stops58h 35m

Sydney Kingsford Smith

vie. 9/1

12:10 p.m.-8:29 p.m.

3 stops48h 19m

C$ 2,557

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mar. 24/2

6:00 a.m.-9:55 p.m.

3 stops47h 55m

Sydney Kingsford Smith

mar. 10/3

10:20 p.m.-9:08 p.m.

2 stops37h 48m

C$ 2,561

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 13 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, August is the cheapest month in which you can book a flight from Buffalo to Sydney (average of C$ 386). Flying from Buffalo to Sydney in January is currently the most expensive (average of C$ 1,976). 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 29 octubre 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
8,999 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 34h 20m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 15611 km. This flight may include one or multiple stops.

  • 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$ 1,483. United Airlines is 30% 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, August is the cheapest month in which you can book a flight from Buffalo to Sydney (average of C$ 386). Flying from Buffalo to Sydney in January is currently the most expensive (average of C$ 1,976). 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
Bondi Beach
Penrith
Parramatta

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 29 octubre 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,483AverageC$ 2,303FlexibilityNo 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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