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

American Airlines, ANA, and Air New Zealand 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

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

Prices are currently high for flights on this route. Typical prices usually range from $1,295 to $1,433. The lowest price recently found on this route was $1,546.

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6:00 am - 6:55 amBUF-SYD

32h 55m1 stop

1:05 pm - 10:25 pmSYD-BUF

24h 20m1 stop

$1,546American Airlines

Find Deal

mar., feb. 24 - mar., mar. 10

11:24 am - 9:00 amBUF-SYD

29h 36m2 stops

11:20 am - 10:27 pmSYD-BUF

26h 07m2 stops

$1,549American Airlines

Find Deal

mar., feb. 24 - mar., mar. 10

6:00 am - 6:55 amBUF-SYD

32h 55m1 stop

11:20 am - 9:08 pmSYD-BUF

24h 48m2 stops

$1,550American Airlines

Find Deal

mar., feb. 24 - mar., mar. 10

1:52 pm - 6:20 amBUF-SYD

24h 28m2 stops

11:20 am - 10:37 pmSYD-BUF

26h 17m2 stops

$1,567United Airlines

Find Deal

mié., mar. 4 - mar., mar. 31

6:30 am - 7:00 amBUF-SYD

56h 30m2 stops

11:20 am - 7:25 pmSYD-BUF

24h 05m2 stops

$1,860United Airlines

Find Deal

dom., dic. 28 - lun., ene. 12

1:55 pm - 7:15 pmBUF-SYD

39h 20m2 stops

8:55 pm - 1:10 pmSYD-BUF

30h 15m2 stops

$1,870ANA

Find Deal

mié., abr. 29 - dom., may. 3

1:55 pm - 9:25 amBUF-SYD

29h 30m2 stops

8:55 pm - 1:10 pmSYD-BUF

30h 15m2 stops

$2,025ANA

Find Deal

mié., abr. 29 - dom., may. 3

7:45 am - 7:20 pmBUF-SYD

43h 35m3 stops

10:10 pm - 11:41 pmSYD-BUF

40h 31m3 stops

$2,068Turkish Airlines

Find Deal

mié., mar. 4 - mar., mar. 31

7:00 am - 7:20 pmBUF-SYD

44h 20m3 stops

9:15 pm - 11:49 pmSYD-BUF

66h 34m3 stops

$2,218Turkish Airlines

Find Deal

sáb., feb. 7 - sáb., feb. 21

6:00 am - 6:50 amBUF-SYD

32h 50m2 stops

2:15 pm - 11:37 pmSYD-BUF

25h 22m2 stops

$2,617Delta

Find Deal

jue., dic. 18 - jue., dic. 25

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets

American Airlines

Feb 24

BUF6:00 amBuffalo

32h 55m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 10

SYD1:05 pmSydney Kingsford Smith

24h 20m

1 stop

BUF10:25 pmBuffalo

$1,546

Find similar

American Airlines

Feb 24

BUF11:24 amBuffalo

29h 36m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 10

SYD11:20 amSydney Kingsford Smith

26h 07m

2 stops

BUF10:27 pmBuffalo

$1,549

Find similar

American Airlines

Feb 24

BUF6:00 amBuffalo

32h 55m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 10

SYD11:20 amSydney Kingsford Smith

24h 48m

2 stops

BUF9:08 pmBuffalo

$1,550

Find similar

United Airlines flights from Buffalo to Sydney

Our best United Airlines deals on Buffalo to Sydney flight tickets

United Airlines

Mar 4

BUF1:52 pmBuffalo

24h 28m

2 stops

SYD6:20 amSydney Kingsford Smith

Mar 31

SYD11:20 amSydney Kingsford Smith

26h 17m

2 stops

BUF10:37 pmBuffalo

$1,567

Find similar

United Airlines

Dec 28

BUF6:30 amBuffalo

56h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Jan 12

SYD11:20 amSydney Kingsford Smith

24h 05m

2 stops

BUF7:25 pmBuffalo

$1,860

Find similar

United Airlines

Dec 28

BUF6:30 amBuffalo

56h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Jan 12

SYD11:20 amSydney Kingsford Smith

25h 09m

2 stops

BUF8:29 pmBuffalo

$1,861

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mar. 2/24

6:00 am-6:55 am

1 stop32h 55m

Sydney Kingsford Smith

mar. 3/10

1:05 pm-10:25 pm

1 stop24h 20m

$1,546

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mar. 2/24

11:24 am-9:00 am

2 stops29h 36m

Sydney Kingsford Smith

mar. 3/10

11:20 am-10:27 pm

2 stops26h 07m

$1,549

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mar. 2/24

6:00 am-6:55 am

1 stop32h 55m

Sydney Kingsford Smith

mar. 3/10

11:20 am-9:08 pm

2 stops24h 48m

$1,550

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 3/4

1:52 pm-6:20 am

2 stops24h 28m

Sydney Kingsford Smith

mar. 3/31

11:20 am-10:37 pm

2 stops26h 17m

$1,567

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom. 12/28

6:30 am-7:00 am

2 stops56h 30m

Sydney Kingsford Smith

lun. 1/12

11:20 am-7:25 pm

2 stops24h 05m

$1,860

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 4/29

1:55 pm-7:15 pm

2 stops39h 20m

Sydney Kingsford Smith

dom. 5/3

8:55 pm-1:10 pm

2 stops30h 15m

$1,870

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 4/29

1:55 pm-9:25 am

2 stops29h 30m

Sydney Kingsford Smith

dom. 5/3

8:55 pm-1:10 pm

2 stops30h 15m

$2,025

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 3/4

7:45 am-7:20 pm

3 stops43h 35m

Sydney Kingsford Smith

mar. 3/31

10:10 pm-11:41 pm

3 stops40h 31m

$2,068

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

sáb. 2/7

7:00 am-7:20 pm

3 stops44h 20m

Sydney Kingsford Smith

sáb. 2/21

9:15 pm-11:49 pm

3 stops66h 34m

$2,218

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

jue. 12/18

6:00 am-6:50 am

2 stops32h 50m

Sydney Kingsford Smith

jue. 12/25

2:15 pm-11:37 pm

2 stops25h 22m

$2,617

Flights are sorted by cheapest round-trip flights first.

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

What is the cheapest month to fly to Sydney?

In general, November 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 $1,356. If you are unable to visit Sydney during the month of November, then departing from Buffalo during the month August is also very affordable. Most momondo users find prices during this month for around $1,421.

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.

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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 28m 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 8,004 reviews	Search Delta flights
American Airlines	PriceFrom $1,166	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,193	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights

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Cronulla

Manly

Penrith

Leura

Lithgow

Charlestown

Terrigal

Swansea

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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 $893

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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Our best United Airlines deals on Buffalo to Sydney flight tickets

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

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?

American Airlines, ANA, and Air New Zealand 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