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

American Airlines and United 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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6:53 am - 6:55 amBUF-SYD

32h 02m1 stop

2:05 pm - 10:35 pmSYD-BUF

24h 30m1 stop

$1,277American Airlines

Find Deal

lun., feb. 9 - lun., mar. 2

1:33 pm - 9:00 amBUF-SYD

28h 27m2 stops

11:20 am - 11:22 pmSYD-BUF

27h 02m2 stops

$1,278American Airlines

Find Deal

lun., mar. 9 - lun., mar. 23

1:33 pm - 9:00 amBUF-SYD

28h 27m2 stops

1:05 pm - 10:25 pmSYD-BUF

24h 20m1 stop

$1,279American Airlines

Find Deal

lun., mar. 9 - lun., mar. 23

11:22 am - 9:00 amBUF-SYD

29h 38m2 stops

11:20 am - 10:35 pmSYD-BUF

27h 15m2 stops

$1,280American Airlines

Find Deal

lun., feb. 9 - lun., mar. 2

6:47 am - 6:55 amBUF-SYD

33h 08m1 stop

1:05 pm - 10:25 pmSYD-BUF

24h 20m1 stop

$1,284American Airlines

Find Deal

lun., mar. 9 - lun., mar. 23

7:00 am - 9:05 amBUF-SYD

35h 05m3 stops

12:10 pm - 8:28 pmSYD-BUF

23h 18m2 stops

$1,565United Airlines

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lun., mar. 9 - lun., mar. 23

12:09 pm - 6:35 amBUF-SYD

28h 26m2 stops

9:25 am - 11:56 pmSYD-BUF

28h 31m2 stops

$1,587Delta

Find Deal

mié., abr. 29 - dom., may. 3

6:00 am - 6:35 amBUF-SYD

34h 35m2 stops

9:25 am - 11:58 pmSYD-BUF

28h 33m2 stops

$1,588Delta

Find Deal

mié., abr. 29 - dom., may. 3

6:10 am - 8:30 amBUF-SYD

34h 20m2 stops

10:40 am - 10:59 pmSYD-BUF

28h 19m2 stops

$1,715Delta

Find Deal

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

12:01 pm - 8:30 amBUF-SYD

28h 29m2 stops

10:40 am - 5:41 pmSYD-BUF

23h 01m2 stops

$1,716Delta

Find Deal

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

Delta flights from Buffalo to Sydney

Our best Delta deals on Buffalo to Sydney flight tickets

Delta

Apr 29

BUF12:09 pmBuffalo

28h 26m

2 stops

SYD6:35 amSydney Kingsford Smith

May 3

SYD9:25 amSydney Kingsford Smith

28h 31m

2 stops

BUF11:56 pmBuffalo

$1,587

Find similar

Delta

Apr 29

BUF6:00 amBuffalo

34h 35m

2 stops

SYD6:35 amSydney Kingsford Smith

May 3

SYD9:25 amSydney Kingsford Smith

28h 33m

2 stops

BUF11:58 pmBuffalo

$1,588

Find similar

Delta

Dec 28

BUF6:10 amBuffalo

34h 20m

2 stops

SYD8:30 amSydney Kingsford Smith

Jan 12

SYD10:40 amSydney Kingsford Smith

28h 19m

2 stops

BUF10:59 pmBuffalo

$1,715

Find similar

Air Canada flights from Buffalo to Sydney

Our best Air Canada deals on Buffalo to Sydney flight tickets

Air Canada

Apr 29

BUF10:50 amBuffalo

30h 30m

3 stops

SYD7:20 amSydney Kingsford Smith

May 3

SYD9:20 amSydney Kingsford Smith

38h 29m

3 stops

BUF9:49 amBuffalo

$3,061

Find similar

Air Canada

Dec 27

BUF6:30 amBuffalo

35h 05m

3 stops

SYD9:35 amSydney Kingsford Smith

Jan 15

SYD11:20 amSydney Kingsford Smith

49h 09m

3 stops

BUF8:29 pmBuffalo

$3,524

Find similar

Air Canada

Jan 5

BUF6:30 amBuffalo

35h 05m

3 stops

SYD9:35 amSydney Kingsford Smith

Jan 22

SYD11:20 amSydney Kingsford Smith

42h 04m

3 stops

BUF1:24 pmBuffalo

$3,628

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

lun. 2/9

6:53 am-6:55 am

1 stop32h 02m

Sydney Kingsford Smith

lun. 3/2

2:05 pm-10:35 pm

1 stop24h 30m

$1,277

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

lun. 3/9

1:33 pm-9:00 am

2 stops28h 27m

Sydney Kingsford Smith

lun. 3/23

11:20 am-11:22 pm

2 stops27h 02m

$1,278

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

lun. 3/9

1:33 pm-9:00 am

2 stops28h 27m

Sydney Kingsford Smith

lun. 3/23

1:05 pm-10:25 pm

1 stop24h 20m

$1,279

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

lun. 2/9

11:22 am-9:00 am

2 stops29h 38m

Sydney Kingsford Smith

lun. 3/2

11:20 am-10:35 pm

2 stops27h 15m

$1,280

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

lun. 3/9

6:47 am-6:55 am

1 stop33h 08m

Sydney Kingsford Smith

lun. 3/23

1:05 pm-10:25 pm

1 stop24h 20m

$1,284

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

lun. 3/9

7:00 am-9:05 am

3 stops35h 05m

Sydney Kingsford Smith

lun. 3/23

12:10 pm-8:28 pm

2 stops23h 18m

$1,565

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 4/29

12:09 pm-6:35 am

2 stops28h 26m

Sydney Kingsford Smith

dom. 5/3

9:25 am-11:56 pm

2 stops28h 31m

$1,587

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

mié. 4/29

6:00 am-6:35 am

2 stops34h 35m

Sydney Kingsford Smith

dom. 5/3

9:25 am-11:58 pm

2 stops28h 33m

$1,588

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom. 12/28

6:10 am-8:30 am

2 stops34h 20m

Sydney Kingsford Smith

lun. 1/12

10:40 am-10:59 pm

2 stops28h 19m

$1,715

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

dom. 12/28

12:01 pm-8:30 am

2 stops28h 29m

Sydney Kingsford Smith

lun. 1/12

10:40 am-5:41 pm

2 stops23h 01m

$1,716

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Showing 1-10 of 16 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.

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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 59m 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 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $1,166	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,193	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights

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Cronulla

Manly

Penrith

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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?

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Cheap flights from Buffalo to Sydney from $754

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 4/15. 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 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