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

Delta, United Airlines, and American Airlines are the most popular carriers operating from Buffalo to Sydney Kingsford Smith

What airlines fly to Sydney?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Sydney from Buffalo according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 were last updated today.

How many operators does momondo search for flights from Buffalo Airport to Sydney Kingsford Smith Airport?

There are 3 operators available for flights from Buffalo Airport to Sydney Kingsford Smith Airport as of November 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Sydney Kingsford Smith Airport.

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

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$588 Cheap Flights from Buffalo to Sydney in 2025/26

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1:22 pm - 7:05 amBUF-SYD

27h 43m2 stops

9:10 am - 6:04 pmSYD-BUF

22h 54m2 stops

$1,278American Airlines

Find Deal

dom, mai 10 - dom, mai 31

11:20 am - 7:00 amBUF-SYD

27h 40m2 stops

12:10 pm - 11:10 pmSYD-BUF

26h 00m2 stops

$1,282United Airlines

Find Deal

dom, mar 1 - seg, mar 16

10:28 am - 8:30 amBUF-SYD

30h 02m2 stops

9:40 am - 11:07 pmSYD-BUF

28h 27m2 stops

$1,296Delta

Find Deal

seg, mar 2 - dom, mar 22

5:44 pm - 6:50 amBUF-SYD

45h 06m2 stops

1:15 pm - 11:07 pmSYD-BUF

24h 52m2 stops

$1,314Delta

Find Deal

sáb, fev 28 - ter, mar 17

1:52 pm - 7:00 amBUF-SYD

25h 08m2 stops

11:50 am - 11:35 pmSYD-BUF

26h 45m2 stops

$1,331United Airlines

Find Deal

dom, mar 1 - qui, mar 19

12:14 pm - 6:50 amBUF-SYD

26h 36m2 stops

1:15 pm - 11:57 pmSYD-BUF

25h 42m2 stops

$1,332Delta

Find Deal

qui, fev 26 - ter, mar 17

10:28 am - 8:30 amBUF-SYD

30h 02m2 stops

1:15 pm - 11:07 pmSYD-BUF

24h 52m2 stops

$1,346Delta

Find Deal

seg, mar 2 - qui, mar 19

5:44 pm - 6:50 amBUF-SYD

45h 06m2 stops

1:15 pm - 11:07 pmSYD-BUF

24h 52m2 stops

$1,364Delta

Find Deal

sáb, fev 28 - sáb, mar 21

1:52 pm - 7:00 amBUF-SYD

25h 08m2 stops

11:50 am - 8:51 pmSYD-BUF

24h 01m2 stops

$1,396United Airlines

Find Deal

qui, fev 26 - qui, mar 19

12:09 pm - 6:35 amBUF-SYD

28h 26m2 stops

9:25 am - 11:58 pmSYD-BUF

28h 33m2 stops

$1,588Delta

Find Deal

qua, abr 29 - dom, mai 3

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets

American Airlines

Jan 11

BUF4:01 pmBuffalo

24h 59m

2 stops

SYD9:00 amSydney Kingsford Smith

Jan 25

SYD11:20 amSydney Kingsford Smith

25h 46m

2 stops

BUF9:06 pmBuffalo

$1,899

Find similar

American Airlines

Jan 11

BUF11:50 amBuffalo

29h 10m

2 stops

SYD9:00 amSydney Kingsford Smith

Jan 25

SYD2:05 pmSydney Kingsford Smith

23h 01m

1 stop

BUF9:06 pmBuffalo

$1,900

Find similar

American Airlines

Jan 10

BUF11:22 amBuffalo

29h 38m

2 stops

SYD9:00 amSydney Kingsford Smith

Jan 25

SYD2:05 pmSydney Kingsford Smith

23h 01m

1 stop

BUF9:06 pmBuffalo

$1,950

Find similar

British Airways flights from Buffalo to Sydney

Our best British Airways deals on Buffalo to Sydney flight tickets

British Airways

Jan 11

BUF5:16 pmBuffalo

45h 39m

3 stops

SYD6:55 amSydney Kingsford Smith

Jan 25

SYD4:20 pmSydney Kingsford Smith

47h 28m

3 stops

BUF11:48 pmBuffalo

$3,611

Find similar

British Airways

Dec 28

BUF6:29 pmBuffalo

44h 26m

3 stops

SYD6:55 amSydney Kingsford Smith

Jan 12

SYD4:20 pmSydney Kingsford Smith

47h 28m

3 stops

BUF11:48 pmBuffalo

$3,833

Find similar

British Airways

Dec 28

BUF6:29 pmBuffalo

44h 26m

3 stops

SYD6:55 amSydney Kingsford Smith

Jan 12

SYD4:20 pmSydney Kingsford Smith

47h 28m

3 stops

BUF11:48 pmBuffalo

$3,899

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom 5/10

1:22 pm-7:05 am

2 stops27h 43m

Sydney Kingsford Smith

dom 5/31

9:10 am-6:04 pm

2 stops22h 54m

$1,278

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom 3/1

11:20 am-7:00 am

2 stops27h 40m

Sydney Kingsford Smith

seg 3/16

12:10 pm-11:10 pm

2 stops26h 00m

$1,282

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

seg 3/2

10:28 am-8:30 am

2 stops30h 02m

Sydney Kingsford Smith

dom 3/22

9:40 am-11:07 pm

2 stops28h 27m

$1,296

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

sáb 2/28

5:44 pm-6:50 am

2 stops45h 06m

Sydney Kingsford Smith

ter 3/17

1:15 pm-11:07 pm

2 stops24h 52m

$1,314

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom 3/1

1:52 pm-7:00 am

2 stops25h 08m

Sydney Kingsford Smith

qui 3/19

11:50 am-11:35 pm

2 stops26h 45m

$1,331

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

qui 2/26

12:14 pm-6:50 am

2 stops26h 36m

Sydney Kingsford Smith

ter 3/17

1:15 pm-11:57 pm

2 stops25h 42m

$1,332

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

seg 3/2

10:28 am-8:30 am

2 stops30h 02m

Sydney Kingsford Smith

qui 3/19

1:15 pm-11:07 pm

2 stops24h 52m

$1,346

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

sáb 2/28

5:44 pm-6:50 am

2 stops45h 06m

Sydney Kingsford Smith

sáb 3/21

1:15 pm-11:07 pm

2 stops24h 52m

$1,364

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

qui 2/26

1:52 pm-7:00 am

2 stops25h 08m

Sydney Kingsford Smith

qui 3/19

11:50 am-8:51 pm

2 stops24h 01m

$1,396

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

qua 4/29

12:09 pm-6:35 am

2 stops28h 26m

Sydney Kingsford Smith

dom 5/3

9:25 am-11:58 pm

2 stops28h 33m

$1,588

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Showing 1-10 of 20 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 cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Buffalo to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,411. If you are unable to visit Sydney during the month of March, then departing from Buffalo during the month November is also very affordable. Most momondo users find prices during this month for around $1,417.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Buffalo to Sydney is on a Sunday when prices can be found for as low as $1,442. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,762.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Buffalo to Sydney in the evening for as low as $751. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,682. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Buffalo to Sydney flights?

You could potentially save up to 2% on your flight if you consider stops on a Buffalo to Sydney flight.

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 round-trip 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

Direct flights	None

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

Search flight deals

How far is Buffalo to Sydney Kingsford Smith by plane?
The distance between Buffalo and Sydney Kingsford Smith is about 9688.7 mi. Typically, this will take 24h 21m by plane in normal conditions.
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 were last updated today.
How many operators does momondo search for flights from Buffalo Airport to Sydney Kingsford Smith Airport?
There are 3 operators available for flights from Buffalo Airport to Sydney Kingsford Smith Airport as of November 2025.
How old do you have to be to fly from Buffalo Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Buffalo to Sydney?
Based on momondo bookings for flights between Buffalo and Sydney, the leading airline is American Airlines, making up 41% of the total bookings. Other popular airlines include United Airlines with 30% and Delta with 28%.

Best airlines flying from Buffalo to Sydney

Compare and see reviews for airlines that fly from Buffalo to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
American Airlines	PriceFrom $1,166	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,193	Free Cancellation	Rating 7.4 9,019 reviews	Search United Airlines flights

Parramatta

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Katoomba

Wollongong

Randwick

Coogee

Cronulla

Manly

Penrith

Leura

Lithgow

Charlestown

Terrigal

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Buffalo to Sydney flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Buffalo to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Buffalo to Sydney from $721

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Sydney departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Buffalo to Sydney is on a Sunday when prices can be found for as low as $1,442. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,762.

What is the cheapest time of day to depart on your flight to Sydney?

Can stopping save me money on Buffalo to Sydney flights?

You could potentially save up to 2% on your flight if you consider stops on a Buffalo to Sydney flight.

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

Delta, United Airlines, and American Airlines are the most popular carriers operating from Buffalo to Sydney Kingsford Smith

What airlines fly to Sydney?

When to book flights from Buffalo to Sydney

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

Direct flights

How far is Buffalo to Sydney Kingsford Smith by plane?

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

How many operators does momondo search for flights from Buffalo Airport to Sydney Kingsford Smith Airport?

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

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

What is the most popular airline from Buffalo to Sydney?

Best airlines flying from Buffalo to Sydney

Compare and see reviews for airlines that fly from Buffalo to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

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

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

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

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

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales