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Cheap flights from Buffalo to Sydney from $852

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.
United Airlines Logo
2:49 pm - 9:05 am
BUF
-
SYD
26h 16m2 stops
United Airlines Logo
11:50 am - 7:06 pm
SYD
-
BUF
23h 16m2 stops
$1,454United Airlines
Mon, Feb 9 - Mon, Mar 2
United Airlines Logo
11:20 am - 7:00 am
BUF
-
SYD
27h 40m2 stops
United Airlines Logo
10:20 am - 5:42 pm
SYD
-
BUF
23h 22m2 stops
$1,470United Airlines
Sun, Mar 1 - Sun, Mar 8
Qatar Airways Logo
8:00 am - 6:50 am
BUF
-
SYD
54h 50m2 stops
Qatar Airways Logo
3:50 pm - 7:01 pm
SYD
-
BUF
42h 11m2 stops
$1,496Qatar Airways
Thu, Feb 26 - Wed, Mar 11
Qatar Airways Logo
8:00 am - 6:50 am
BUF
-
SYD
54h 50m2 stops
Qatar Airways Logo
3:50 pm - 7:01 pm
SYD
-
BUF
42h 11m2 stops
$1,498Qatar Airways
Thu, Feb 26 - Wed, Mar 11
Qantas Airways Logo
6:30 am - 6:55 am
BUF
-
SYD
32h 25m1 stop
Qantas Airways Logo
1:05 pm - 10:41 pm
SYD
-
BUF
24h 36m1 stop
$1,502Qantas Airways
Thu, Feb 26 - Wed, Mar 11
Qatar Airways Logo
8:00 am - 6:50 am
BUF
-
SYD
54h 50m2 stops
Qatar Airways Logo
9:40 pm - 9:25 pm
SYD
-
BUF
39h 45m2 stops
$1,518Qatar Airways
Mon, Feb 23 - Sun, Mar 1
Qantas Airways Logo
6:53 am - 6:55 am
BUF
-
SYD
32h 02m1 stop
Qantas Airways Logo
2:05 pm - 10:41 pm
SYD
-
BUF
24h 36m1 stop
$1,527Qantas Airways
Mon, Feb 9 - Mon, Mar 2
Delta Logo
7:27 pm - 6:35 am
BUF
-
SYD
69h 08m2 stops
Delta Logo
9:15 am - 6:43 pm
SYD
-
BUF
23h 28m2 stops
$1,538Delta
Fri, Apr 24 - Fri, May 8
American Airlines Logo
12:28 pm - 7:05 am
BUF
-
SYD
28h 37m2 stops
American Airlines Logo
12:00 pm - 9:30 pm
SYD
-
BUF
23h 30m2 stops
$1,551American Airlines
Fri, Apr 24 - Fri, May 15
American Airlines Logo
11:36 am - 7:05 am
BUF
-
SYD
29h 29m2 stops
American Airlines Logo
9:10 am - 11:19 pm
SYD
-
BUF
28h 09m2 stops
$1,552American Airlines
Fri, Apr 24 - Fri, May 8

Qatar Airways flights from Buffalo to Sydney

Our best Qatar Airways deals on Buffalo to Sydney flight tickets
Qatar Airways
Feb 26
BUF8:00 amBuffalo
54h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 11
SYD3:50 pmSydney Kingsford Smith
42h 11m
2 stops
BUF7:01 pmBuffalo
$1,496
Find similar
Qatar Airways
Feb 26
BUF8:00 amBuffalo
54h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 11
SYD3:50 pmSydney Kingsford Smith
42h 11m
2 stops
BUF7:01 pmBuffalo
$1,498
Find similar
Qatar Airways
Feb 23
BUF8:00 amBuffalo
54h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 1
SYD9:40 pmSydney Kingsford Smith
39h 45m
2 stops
BUF9:25 pmBuffalo
$1,518
Find similar

Qantas Airways flights from Buffalo to Sydney

Our best Qantas Airways deals on Buffalo to Sydney flight tickets
Qantas Airways
Feb 26
BUF6:30 amBuffalo
32h 25m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 11
SYD1:05 pmSydney Kingsford Smith
24h 36m
1 stop
BUF10:41 pmBuffalo
$1,502
Find similar
Qantas Airways
Feb 9
BUF6:53 amBuffalo
32h 02m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 2
SYD2:05 pmSydney Kingsford Smith
24h 36m
1 stop
BUF10:41 pmBuffalo
$1,527
Find similar
Qantas Airways
Apr 24
BUF7:00 amBuffalo
33h 55m
1 stop
SYD6:55 amSydney Kingsford Smith
May 15
SYD12:00 pmSydney Kingsford Smith
25h 19m
1 stop
BUF11:19 pmBuffalo
$1,694
Find similar

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 2, 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

Mon 2/9

2:49 pm-9:05 am

2 stops26h 16m

Sydney Kingsford Smith

Mon 3/2

11:50 am-7:06 pm

2 stops23h 16m

$1,454

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 3/1

11:20 am-7:00 am

2 stops27h 40m

Sydney Kingsford Smith

Sun 3/8

10:20 am-5:42 pm

2 stops23h 22m

$1,470

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

8:00 am-6:50 am

2 stops54h 50m

Sydney Kingsford Smith

Wed 3/11

3:50 pm-7:01 pm

2 stops42h 11m

$1,496

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

8:00 am-6:50 am

2 stops54h 50m

Sydney Kingsford Smith

Wed 3/11

3:50 pm-7:01 pm

2 stops42h 11m

$1,498

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/26

6:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Wed 3/11

1:05 pm-10:41 pm

1 stop24h 36m

$1,502

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 2/23

8:00 am-6:50 am

2 stops54h 50m

Sydney Kingsford Smith

Sun 3/1

9:40 pm-9:25 pm

2 stops39h 45m

$1,518

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 2/9

6:53 am-6:55 am

1 stop32h 02m

Sydney Kingsford Smith

Mon 3/2

2:05 pm-10:41 pm

1 stop24h 36m

$1,527

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 4/24

7:27 pm-6:35 am

2 stops69h 08m

Sydney Kingsford Smith

Fri 5/8

9:15 am-6:43 pm

2 stops23h 28m

$1,538

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 4/24

12:28 pm-7:05 am

2 stops28h 37m

Sydney Kingsford Smith

Fri 5/15

12:00 pm-9:30 pm

2 stops23h 30m

$1,551

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 4/24

11:36 am-7:05 am

2 stops29h 29m

Sydney Kingsford Smith

Fri 5/8

9:10 am-11:19 pm

2 stops28h 09m

$1,552

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, December 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 $1,295. If you are unable to visit Sydney during the month of December, then departing from Buffalo during the month June is also very affordable. Most momondo users find prices during this month for around $1,396.

Can stopping save me money on Buffalo to Sydney flights?

You could potentially save up to 19% 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

26h 16m

Direct flights

None
The fastest flight from Buffalo to Sydney takes 26h 16m
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 26h 16m 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 $276Free CancellationRating
7.9
8,021 reviews
Search Delta flights
American AirlinesPriceFrom $1,166Free CancellationRating
7.2
11,075 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,280Free CancellationRating
7.4
9,132 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
Penrith
Cronulla
Lithgow
Leura
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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