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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
6:30 am - 6:55 am
BUF
-
SYD
32h 25m
1 stop
American Airlines Logo
1:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,449American Airlines
Tue, Mar 3 - Mon, Mar 16
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
$1,452American Airlines
Mon, Feb 23 - Wed, Mar 4
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
27h 20m
2 stops
$1,453American Airlines
Tue, Mar 3 - Mon, Mar 16
United Airlines Logo
1:52 pm - 7:00 am
BUF
-
SYD
49h 08m
2 stops
United Airlines Logo
11:20 am - 5:10 pm
SYD
-
BUF
44h 50m
2 stops
$1,460United Airlines
Sat, Feb 28 - Sun, Mar 29
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
$1,499American Airlines
Mon, Feb 16 - Sat, Feb 28
American Airlines Logo
1:31 pm - 9:00 am
BUF
-
SYD
27h 29m
2 stops
American Airlines Logo
11:20 am - 10:41 pm
SYD
-
BUF
27h 21m
2 stops
$1,502American Airlines
Mon, Feb 16 - Sat, Feb 28
American Airlines Logo
1:31 pm - 9:00 am
BUF
-
SYD
27h 29m
2 stops
American Airlines Logo
2:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,503American Airlines
Mon, Feb 16 - Sat, Feb 28
United Airlines Logo
7:00 am - 7:00 am
BUF
-
SYD
32h 00m
2 stops
United Airlines Logo
11:20 am - 11:10 pm
SYD
-
BUF
50h 50m
2 stops
$1,511United Airlines
Wed, Mar 4 - Sat, Apr 4
American Airlines Logo
6:30 am - 6:55 am
BUF
-
SYD
32h 25m
1 stop
American Airlines Logo
1:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,542American Airlines
Sat, Mar 7 - Sat, Mar 14
American Airlines Logo
11:23 am - 9:00 am
BUF
-
SYD
29h 37m
2 stops
American Airlines Logo
11:20 am - 10:45 pm
SYD
-
BUF
26h 25m
2 stops
$1,552American Airlines
Fri, Mar 6 - Fri, Mar 13

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets
American Airlines
Mar 3
BUF6:30 amBuffalo
32h 25m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 16
SYD1:05 pmSydney Kingsford Smith
24h 36m
1 stop
BUF10:41 pmBuffalo
$1,449
American Airlines
Feb 23
BUF12:44 pmBuffalo
28h 16m
2 stops
SYD9:00 amSydney Kingsford Smith
Mar 4
SYD11:20 amSydney Kingsford Smith
27h 21m
2 stops
BUF10:41 pmBuffalo
$1,452
American Airlines
Mar 3
BUF6:30 amBuffalo
32h 25m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 16
SYD11:20 amSydney Kingsford Smith
27h 20m
2 stops
BUF11:40 pmBuffalo
$1,453

United Airlines flights from Buffalo to Sydney

Our best United Airlines deals on Buffalo to Sydney flight tickets
United Airlines
Feb 28
BUF1:52 pmBuffalo
49h 08m
2 stops
SYD7:00 amSydney Kingsford Smith
Mar 29
SYD11:20 amSydney Kingsford Smith
44h 50m
2 stops
BUF5:10 pmBuffalo
$1,460
United Airlines
Mar 4
BUF7:00 amBuffalo
32h 00m
2 stops
SYD7:00 amSydney Kingsford Smith
Apr 4
SYD11:20 amSydney Kingsford Smith
50h 50m
2 stops
BUF11:10 pmBuffalo
$1,511
United Airlines
Mar 6
BUF7:00 amBuffalo
34h 05m
3 stops
SYD9:05 amSydney Kingsford Smith
Mar 13
SYD10:25 amSydney Kingsford Smith
23h 17m
2 stops
BUF6:42 pmBuffalo
$1,569

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 21, 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

Tue 3/3

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Mon 3/16

1:05 pm-10:41 pm

1 stop24h 36m

$1,449

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 2/23

12:44 pm-9:00 am

2 stops28h 16m

Sydney Kingsford Smith

Wed 3/4

11:20 am-10:41 pm

2 stops27h 21m

$1,452

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 3/3

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Mon 3/16

11:20 am-11:40 pm

2 stops27h 20m

$1,453

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 2/28

1:52 pm-7:00 am

2 stops49h 08m

Sydney Kingsford Smith

Sun 3/29

11:20 am-5:10 pm

2 stops44h 50m

$1,460

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 2/16

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Sat 2/28

2:05 pm-10:41 pm

1 stop24h 36m

$1,499

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 2/16

1:31 pm-9:00 am

2 stops27h 29m

Sydney Kingsford Smith

Sat 2/28

11:20 am-10:41 pm

2 stops27h 21m

$1,502

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 2/16

1:31 pm-9:00 am

2 stops27h 29m

Sydney Kingsford Smith

Sat 2/28

2:05 pm-10:41 pm

1 stop24h 36m

$1,503

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 3/4

7:00 am-7:00 am

2 stops32h 00m

Sydney Kingsford Smith

Sat 4/4

11:20 am-11:10 pm

2 stops50h 50m

$1,511

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 3/7

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Sat 3/14

1:05 pm-10:41 pm

1 stop24h 36m

$1,542

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 3/6

11:23 am-9:00 am

2 stops29h 37m

Sydney Kingsford Smith

Fri 3/13

11:20 am-10:45 pm

2 stops26h 25m

$1,552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

28h 34m

Direct flights

None
The fastest flight from Buffalo to Sydney takes 28h 34m
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 28h 34m 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
8,088 reviews
Search Delta flights
American AirlinesPriceFrom $1,166Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,280Free CancellationRating
7.4
9,191 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
Leura
Penrith
Cronulla
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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