What is the cheapest airline that flies from Buffalo to Sydney Kingsford Smith?

United Airlines and Air New Zealand are the most popular carriers operating from Buffalo to Sydney Kingsford Smith

When did momondo last update prices for flights from Buffalo Airport to Sydney Kingsford Smith Airport?

Prices for flights from Buffalo Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How old do you have to be to fly from Buffalo Airport to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,116 Cheap Flights from Buffalo to Sydney in 2026

Q: What is the typical price of a round-trip flight between Buffalo and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $2,078 to $1,641. The lowest price recently found on this route was $1,615.

1 adult

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Find the cheapest flights from Buffalo to Sydney

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:50 - 06:55

BUF

SYD

30h 05m

2 stops

09:30 - 21:03

SYD

BUF

25h 33m

2 stops

$1,615United Airlines

Wed, 3 Jun - Mon, 6 Jul

19:55 - 06:50

BUF

SYD

44h 55m

2 stops

09:15 - 23:59

SYD

BUF

28h 44m

2 stops

$1,616Delta

Sat, 6 Jun - Mon, 6 Jul

13:56 - 07:30

BUF

SYD

27h 34m

2 stops

09:10 - 19:07

SYD

BUF

23h 57m

2 stops

$1,626American Airlines

Tue, 28 Jul - Tue, 11 Aug

07:00 - 07:00

BUF

SYD

34h 00m

3 stops

09:30 - 23:59

SYD

BUF

28h 29m

2 stops

$1,632United Airlines

Mon, 8 Jun - Mon, 6 Jul

13:54 - 07:00

BUF

SYD

27h 06m

2 stops

10:20 - 19:02

SYD

BUF

22h 42m

2 stops

$1,633Air New Zealand

Wed, 5 Aug - Tue, 25 Aug

06:00 - 06:50

BUF

SYD

34h 50m

2 stops

09:15 - 11:19

SYD

BUF

40h 04m

2 stops

$1,634Delta

Mon, 3 Aug - Mon, 24 Aug

12:04 - 06:50

BUF

SYD

28h 46m

2 stops

09:15 - 09:40

SYD

BUF

38h 25m

2 stops

$1,655Delta

Tue, 2 Jun - Mon, 29 Jun

19:59 - 06:50

BUF

SYD

68h 51m

2 stops

09:15 - 18:23

SYD

BUF

23h 08m

2 stops

$1,657Delta

Fri, 7 Aug - Wed, 26 Aug

16:57 - 07:05

BUF

SYD

24h 08m

2 stops

09:10 - 19:12

SYD

BUF

24h 02m

2 stops

$1,681American Airlines

Mon, 8 Jun - Fri, 3 Jul

15:00 - 06:55

BUF

SYD

25h 55m

2 stops

09:30 - 10:00

SYD

BUF

38h 30m

2 stops

$1,686United Airlines

Tue, 2 Jun - Sat, 4 Jul

United Airlines flights from Buffalo to Sydney

Our best United Airlines deals on Buffalo to Sydney flight tickets

United Airlines

3 June

BUF10:50Buffalo

30h 05m

2 stops

SYD06:55Sydney Kingsford Smith

6 July

SYD09:30Sydney Kingsford Smith

25h 33m

2 stops

BUF21:03Buffalo

$1,615

United Airlines

8 June

BUF07:00Buffalo

34h 00m

3 stops

SYD07:00Sydney Kingsford Smith

6 July

SYD09:30Sydney Kingsford Smith

28h 29m

2 stops

BUF23:59Buffalo

$1,632

United Airlines

2 June

BUF15:00Buffalo

25h 55m

2 stops

SYD06:55Sydney Kingsford Smith

4 July

SYD09:30Sydney Kingsford Smith

38h 30m

2 stops

BUF10:00Buffalo

$1,686

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets

American Airlines

28 July

BUF13:56Buffalo

27h 34m

2 stops

SYD07:30Sydney Kingsford Smith

11 Aug

SYD09:10Sydney Kingsford Smith

23h 57m

2 stops

BUF19:07Buffalo

$1,626

American Airlines

8 June

BUF16:57Buffalo

24h 08m

2 stops

SYD07:05Sydney Kingsford Smith

3 July

SYD09:10Sydney Kingsford Smith

24h 02m

2 stops

BUF19:12Buffalo

$1,681

American Airlines

6 Aug

BUF16:50Buffalo

24h 05m

1 stop

SYD06:55Sydney Kingsford Smith

25 Aug

SYD12:00Sydney Kingsford Smith

25h 01m

1 stop

BUF23:01Buffalo

$1,693

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 3/6

10:50-06:55

2 stops30h 05m

Sydney Kingsford Smith

Mon 6/7

09:30-21:03

2 stops25h 33m

$1,615

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 6/6

19:55-06:50

2 stops44h 55m

Sydney Kingsford Smith

Mon 6/7

09:15-23:59

2 stops28h 44m

$1,616

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 28/7

13:56-07:30

2 stops27h 34m

Sydney Kingsford Smith

Tue 11/8

09:10-19:07

2 stops23h 57m

$1,626

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 8/6

07:00-07:00

3 stops34h 00m

Sydney Kingsford Smith

Mon 6/7

09:30-23:59

2 stops28h 29m

$1,632

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 5/8

13:54-07:00

2 stops27h 06m

Sydney Kingsford Smith

Tue 25/8

10:20-19:02

2 stops22h 42m

$1,633

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 3/8

06:00-06:50

2 stops34h 50m

Sydney Kingsford Smith

Mon 24/8

09:15-11:19

2 stops40h 04m

$1,634

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 2/6

12:04-06:50

2 stops28h 46m

Sydney Kingsford Smith

Mon 29/6

09:15-09:40

2 stops38h 25m

$1,655

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 7/8

19:59-06:50

2 stops68h 51m

Sydney Kingsford Smith

Wed 26/8

09:15-18:23

2 stops23h 08m

$1,657

Fastest return journey

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 8/6

16:57-07:05

2 stops24h 08m

Sydney Kingsford Smith

Fri 3/7

09:10-19:12

2 stops24h 02m

$1,681

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 2/6

15:00-06:55

2 stops25h 55m

Sydney Kingsford Smith

Sat 4/7

09:30-10:00

2 stops38h 30m

$1,686

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Buffalo and Sydney?

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Buffalo, with most prices found around $306. If you aren’t able to travel to Sydney during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,416.

When to book flights from Buffalo to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Buffalo to Sydney (BUF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Sydney

Fastest flight time	27h 04m
Direct flights	None

The fastest flight from Buffalo to Sydney takes 27h 04m

There are no direct flights from Buffalo to Sydney. There are no popular flight routes from Buffalo to Sydney.

Search flight deals

Frequently asked questions about flying from Buffalo to Sydney

How far is Buffalo to Sydney Kingsford Smith by plane?
There are 15592.4 km between Buffalo and Sydney Kingsford Smith. Flights usually cover this in 27h 04m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Buffalo Airport to Sydney Kingsford Smith Airport?
Prices for flights from Buffalo Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How old do you have to be to fly from Buffalo Airport to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Leura

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Charlestown

Newport

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Buffalo.

Can I find flights from Buffalo to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Buffalo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buffalo to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Buffalo.

I’m not ready to book a flight from Buffalo to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Buffalo and alert you when they change.