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 45% 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.

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

American Airlines, Delta, and United Airlines 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 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 October 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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9:03 am - 8:30 amBUF-SYD

31h 27m2 stops

10:40 am - 11:59 pmSYD-BUF

29h 19m2 stops

$1,295Delta

Find Deal

Wed, Nov 5 - Wed, Dec 10

6:12 am - 6:55 amBUF-SYD

32h 43m1 stop

2:05 pm - 10:20 pmSYD-BUF

24h 15m1 stop

$1,426American Airlines

Find Deal

Wed, Nov 5 - Tue, Dec 9

6:12 am - 6:55 amBUF-SYD

32h 43m1 stop

2:05 pm - 11:44 pmSYD-BUF

25h 39m2 stops

$1,430American Airlines

Find Deal

Wed, Nov 5 - Tue, Dec 9

6:12 am - 6:55 amBUF-SYD

32h 43m1 stop

11:45 am - 10:20 pmSYD-BUF

26h 35m2 stops

$1,439American Airlines

Find Deal

Wed, Nov 5 - Wed, Dec 10

5:35 pm - 7:00 amBUF-SYD

45h 25m2 stops

2:00 pm - 2:14 pmSYD-BUF

40h 14m2 stops

$1,580United Airlines

Find Deal

Sun, Dec 28 - Mon, Jan 12

5:35 pm - 9:15 amBUF-SYD

47h 40m2 stops

11:50 am - 1:24 pmSYD-BUF

41h 34m2 stops

$1,603United Airlines

Find Deal

Sun, Dec 28 - Mon, Jan 12

6:00 am - 8:30 amBUF-SYD

34h 30m2 stops

10:40 am - 10:58 pmSYD-BUF

28h 18m2 stops

$1,771Delta

Find Deal

Fri, Dec 5 - Fri, Dec 12

7:05 am - 7:20 pmBUF-SYD

44h 15m3 stops

9:15 pm - 8:30 pmSYD-BUF

63h 15m3 stops

$1,886Turkish Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

7:00 am - 9:35 amBUF-SYD

34h 35m3 stops

11:20 am - 9:01 pmSYD-BUF

49h 41m3 stops

$2,823Air Canada

Find Deal

Tue, Feb 24 - Tue, Mar 3

10:50 am - 9:35 amBUF-SYD

30h 45m3 stops

11:20 am - 4:53 pmSYD-BUF

45h 33m3 stops

$4,026Air Canada

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Wed, Nov 5 - Tue, Dec 9

United Airlines flights from Buffalo to Sydney

Our best United Airlines deals on Buffalo to Sydney flight tickets

United Airlines

Oct 27

BUF1:52 pmBuffalo

28h 23m

2 stops

SYD9:15 amSydney Kingsford Smith

Nov 10

SYD12:10 pmSydney Kingsford Smith

22h 34m

2 stops

BUF6:44 pmBuffalo

$1,279

Find similar

United Airlines

Dec 28

BUF5:35 pmBuffalo

45h 25m

2 stops

SYD7:00 amSydney Kingsford Smith

Jan 12

SYD2:00 pmSydney Kingsford Smith

40h 14m

2 stops

BUF2:14 pmBuffalo

$1,580

Find similar

United Airlines

Dec 28

BUF5:35 pmBuffalo

47h 40m

2 stops

SYD9:15 amSydney Kingsford Smith

Jan 12

SYD11:50 amSydney Kingsford Smith

41h 34m

2 stops

BUF1:24 pmBuffalo

$1,603

Find similar

Air Canada flights from Buffalo to Sydney

Our best Air Canada deals on Buffalo to Sydney flight tickets

Air Canada

Feb 24

BUF7:00 amBuffalo

34h 35m

3 stops

SYD9:35 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

49h 41m

3 stops

BUF9:01 pmBuffalo

$2,823

Find similar

Air Canada

Oct 27

BUF10:50 amBuffalo

30h 45m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 10

SYD11:20 amSydney Kingsford Smith

38h 43m

3 stops

BUF10:03 amBuffalo

$2,917

Find similar

Air Canada

Nov 5

BUF10:50 amBuffalo

30h 45m

3 stops

SYD9:35 amSydney Kingsford Smith

Dec 9

SYD11:20 amSydney Kingsford Smith

25h 55m

2 stops

BUF9:15 pmBuffalo

$3,710

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 11/5

9:03 am-8:30 am

2 stops31h 27m

Sydney Kingsford Smith

Wed 12/10

10:40 am-11:59 pm

2 stops29h 19m

$1,295

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 11/5

6:12 am-6:55 am

1 stop32h 43m

Sydney Kingsford Smith

Tue 12/9

2:05 pm-10:20 pm

1 stop24h 15m

$1,426

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 11/5

6:12 am-6:55 am

1 stop32h 43m

Sydney Kingsford Smith

Tue 12/9

2:05 pm-11:44 pm

2 stops25h 39m

$1,430

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 11/5

6:12 am-6:55 am

1 stop32h 43m

Sydney Kingsford Smith

Wed 12/10

11:45 am-10:20 pm

2 stops26h 35m

$1,439

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 12/28

5:35 pm-7:00 am

2 stops45h 25m

Sydney Kingsford Smith

Mon 1/12

2:00 pm-2:14 pm

2 stops40h 14m

$1,580

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 12/28

5:35 pm-9:15 am

2 stops47h 40m

Sydney Kingsford Smith

Mon 1/12

11:50 am-1:24 pm

2 stops41h 34m

$1,603

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 12/5

6:00 am-8:30 am

2 stops34h 30m

Sydney Kingsford Smith

Fri 12/12

10:40 am-10:58 pm

2 stops28h 18m

$1,771

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 12/4

7:05 am-7:20 pm

3 stops44h 15m

Sydney Kingsford Smith

Thu 12/11

9:15 pm-8:30 pm

3 stops63h 15m

$1,886

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 2/24

7:00 am-9:35 am

3 stops34h 35m

Sydney Kingsford Smith

Tue 3/3

11:20 am-9:01 pm

3 stops49h 41m

$2,823

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 11/5

10:50 am-9:35 am

3 stops30h 45m

Sydney Kingsford Smith

Tue 12/9

11:20 am-4:53 pm

3 stops45h 33m

$4,026

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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

Prices

Airlines

What is the cheapest month to fly to Sydney?

In general, August 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 $1,421. If you are unable to visit Sydney during the month of August, then departing from Buffalo during the month November is also very affordable. Most momondo users find prices during this month for around $1,428.

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 03m 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 October 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 44% of the total bookings. Other popular airlines include Delta with 28% and United Airlines 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 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $1,166	Free Cancellation	Rating 7.2 11,028 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,193	Free Cancellation	Rating 7.4 8,990 reviews	Search United Airlines flights

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Cronulla

Coogee

Manly

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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 $610

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 11/16. 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?

American Airlines, Delta, and United 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