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Cheap flights from Buffalo to Sydney from $752

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.
1 adult
0 bags

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Find the cheapest flights from Buffalo to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:44 pm - 9:00 am
BUF
-
SYD
29h 16m
2 stops
American Airlines Logo
11:20 am - 11:50 pm
SYD
-
BUF
27h 30m
2 stops
$1,452American Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
4:25 pm - 9:00 am
BUF
-
SYD
25h 35m
2 stops
American Airlines Logo
1:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,453American Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
1:32 pm - 9:00 am
BUF
-
SYD
28h 28m
2 stops
American Airlines Logo
9:10 am - 11:19 pm
SYD
-
BUF
28h 09m
2 stops
$1,456American Airlines
Tue, Mar 24 - Tue, Apr 7
Qantas Airways Logo
6:53 am - 6:55 am
BUF
-
SYD
32h 02m
1 stop
Qantas Airways Logo
2:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,457Qantas Airways
Tue, Feb 10 - Tue, Feb 17
American Airlines Logo
6:34 am - 6:55 am
BUF
-
SYD
33h 21m
1 stop
American Airlines Logo
1:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,459American Airlines
Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
1:59 pm - 6:20 am
BUF
-
SYD
24h 21m
2 stops
United Airlines Logo
12:10 pm - 7:06 pm
SYD
-
BUF
22h 56m
2 stops
$1,469United Airlines
Tue, Feb 10 - Tue, Feb 17
American Airlines Logo
6:30 am - 6:55 am
BUF
-
SYD
32h 25m
1 stop
American Airlines Logo
2:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,550American Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
12:44 pm - 9:00 am
BUF
-
SYD
28h 16m
2 stops
American Airlines Logo
11:20 am - 10:41 pm
SYD
-
BUF
27h 21m
2 stops
$1,552American Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
6:30 am - 6:55 am
BUF
-
SYD
32h 25m
1 stop
American Airlines Logo
11:20 am - 11:40 pm
SYD
-
BUF
28h 20m
2 stops
$1,553American Airlines
Thu, Feb 26 - Thu, Mar 5
United Airlines Logo
2:49 pm - 9:15 am
BUF
-
SYD
26h 26m
2 stops
United Airlines Logo
11:20 am - 8:29 pm
SYD
-
BUF
25h 09m
2 stops
$1,565United Airlines
Sat, Jan 17 - Sat, Feb 7

Air Canada flights from Buffalo to Sydney

Our best Air Canada deals on Buffalo to Sydney flight tickets
Air Canada
Feb 26
BUF7:00 amBuffalo
34h 35m
2 stops
SYD9:35 amSydney Kingsford Smith
Mar 5
SYD11:20 amSydney Kingsford Smith
49h 26m
3 stops
BUF8:46 pmBuffalo
$1,943
Air Canada
Feb 21
BUF7:00 amBuffalo
34h 35m
3 stops
SYD9:35 amSydney Kingsford Smith
Feb 25
SYD11:20 amSydney Kingsford Smith
25h 31m
2 stops
BUF8:51 pmBuffalo
$2,062
Air Canada
Feb 21
BUF7:00 amBuffalo
34h 35m
3 stops
SYD9:35 amSydney Kingsford Smith
Feb 25
SYD11:20 amSydney Kingsford Smith
41h 52m
3 stops
BUF1:12 pmBuffalo
$2,237

British Airways flights from Buffalo to Sydney

Our best British Airways deals on Buffalo to Sydney flight tickets
British Airways
Feb 21
BUF11:23 amBuffalo
51h 32m
3 stops
SYD6:55 amSydney Kingsford Smith
Feb 25
SYD4:20 pmSydney Kingsford Smith
46h 29m
3 stops
BUF10:49 pmBuffalo
$3,439
British Airways
Mar 24
BUF4:25 pmBuffalo
47h 30m
3 stops
SYD6:55 amSydney Kingsford Smith
Apr 7
SYD2:35 pmSydney Kingsford Smith
38h 54m
3 stops
BUF3:29 pmBuffalo
$3,676
British Airways
Apr 21
BUF5:45 pmBuffalo
46h 20m
3 stops
SYD6:05 amSydney Kingsford Smith
May 5
SYD2:35 pmSydney Kingsford Smith
44h 55m
3 stops
BUF9:30 pmBuffalo
$4,238

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Buffalo to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 3/11

12:44 pm-9:00 am

2 stops29h 16m

Sydney Kingsford Smith

Wed 3/18

11:20 am-11:50 pm

2 stops27h 30m

$1,452

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 3/11

4:25 pm-9:00 am

2 stops25h 35m

Sydney Kingsford Smith

Wed 3/18

1:05 pm-10:41 pm

1 stop24h 36m

$1,453

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 3/24

1:32 pm-9:00 am

2 stops28h 28m

Sydney Kingsford Smith

Tue 4/7

9:10 am-11:19 pm

2 stops28h 09m

$1,456

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 2/10

6:53 am-6:55 am

1 stop32h 02m

Sydney Kingsford Smith

Tue 2/17

2:05 pm-10:41 pm

1 stop24h 36m

$1,457

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 3/11

6:34 am-6:55 am

1 stop33h 21m

Sydney Kingsford Smith

Wed 3/18

1:05 pm-10:41 pm

1 stop24h 36m

$1,459

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 2/10

1:59 pm-6:20 am

2 stops24h 21m

Sydney Kingsford Smith

Tue 2/17

12:10 pm-7:06 pm

2 stops22h 56m

$1,469

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Thu 3/5

2:05 pm-10:41 pm

1 stop24h 36m

$1,550

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

12:44 pm-9:00 am

2 stops28h 16m

Sydney Kingsford Smith

Thu 3/5

11:20 am-10:41 pm

2 stops27h 21m

$1,552

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Thu 3/5

11:20 am-11:40 pm

2 stops28h 20m

$1,553

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 1/17

2:49 pm-9:15 am

2 stops26h 26m

Sydney Kingsford Smith

Sat 2/7

11:20 am-8:29 pm

2 stops25h 09m

$1,565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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?

In general, February 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 $535. If you are unable to visit Sydney during the month of February, then departing from Buffalo during the month December is also very affordable. Most momondo users find prices during this month for around $1,295.

Can stopping save me money on Buffalo to Sydney flights?

You could potentially save up to 3% 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

Fastest flight time

30h 05m

Direct flights

None
The fastest flight from Buffalo to Sydney takes 30h 05m
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 30h 05m 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?

  • 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?

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
DeltaPriceFrom $266Free CancellationRating
7.9
8,048 reviews
Search Delta flights
American AirlinesPriceFrom $1,166Free CancellationRating
7.2
11,129 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,280Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Manly
Lithgow
Cronulla
Leura
Penrith
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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