Cheap flights from Buffalo to Sydney from $796

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 10/15. 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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Cheap round-trip flights

American Airlines Logo
6:02 pm - 6:55 amBUF-SYD
21h 53m1 stop
American Airlines Logo
2:05 pm - 10:39 pmSYD-BUF
24h 34m1 stop
$1,437American Airlines
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Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
6:02 pm - 9:00 amBUF-SYD
23h 58m2 stops
American Airlines Logo
11:20 am - 10:39 pmSYD-BUF
27h 19m2 stops
$1,440American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
6:20 am - 7:35 amBUF-SYD
34h 15m2 stops
Delta Logo
10:25 am - 11:39 pmSYD-BUF
28h 14m2 stops
$1,457Delta
Find Deal
Mon, Oct 13 - Mon, Oct 20
United Airlines Logo
2:50 pm - 8:00 amBUF-SYD
26h 10m2 stops
United Airlines Logo
10:30 am - 9:13 pmSYD-BUF
25h 43m3 stops
$1,550United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
United Airlines Logo
2:49 pm - 6:20 amBUF-SYD
47h 31m2 stops
United Airlines Logo
2:00 pm - 10:30 pmSYD-BUF
24h 30m2 stops
$1,588United Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 25
Delta Logo
7:30 pm - 7:35 amBUF-SYD
45h 05m2 stops
Delta Logo
9:40 am - 11:39 pmSYD-BUF
28h 59m2 stops
$1,686Delta
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Tue, Oct 7 - Sat, Nov 1
Turkish Airlines Logo
7:45 am - 7:20 pmBUF-SYD
43h 35m3 stops
Turkish Airlines Logo
9:15 pm - 11:50 amSYD-BUF
54h 35m3 stops
$1,723Turkish Airlines
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Sun, Jan 11 - Sun, Jan 25
Turkish Airlines Logo
12:45 pm - 7:20 pmBUF-SYD
38h 35m3 stops
Turkish Airlines Logo
9:15 pm - 7:21 pmSYD-BUF
62h 06m3 stops
$1,736Turkish Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 25
Singapore Airlines Logo
9:15 am - 7:40 amBUF-SYD
54h 25m3 stops
Singapore Airlines Logo
12:15 pm - 8:21 pmSYD-BUF
48h 06m3 stops
$2,104Singapore Airlines
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Thu, Feb 19 - Thu, Feb 26
Singapore Airlines Logo
3:55 pm - 5:45 pmBUF-SYD
34h 50m2 stops
Singapore Airlines Logo
4:10 pm - 9:34 pmSYD-BUF
44h 24m3 stops
$3,835Singapore Airlines
Find Deal
Tue, Oct 7 - Sun, Nov 2

Turkish Airlines flights from Buffalo to Sydney

Our best Turkish Airlines deals on Buffalo to Sydney flight tickets
Turkish Airlines
Jan 11
BUF7:45 amBuffalo
43h 35m
3 stops
SYD7:20 pmSydney Kingsford Smith
Jan 25
SYD9:15 pmSydney Kingsford Smith
54h 35m
3 stops
BUF11:50 amBuffalo
Turkish Airlines
Jan 10
BUF12:45 pmBuffalo
38h 35m
3 stops
SYD7:20 pmSydney Kingsford Smith
Jan 25
SYD9:15 pmSydney Kingsford Smith
62h 06m
3 stops
BUF7:21 pmBuffalo
Turkish Airlines
Jan 10
BUF12:45 pmBuffalo
62h 35m
3 stops
SYD7:20 pmSydney Kingsford Smith
Jan 25
SYD9:15 pmSydney Kingsford Smith
54h 35m
3 stops
BUF11:50 amBuffalo

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets
American Airlines
Oct 29
BUF6:02 pmBuffalo
21h 53m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 5
SYD2:05 pmSydney Kingsford Smith
24h 34m
1 stop
BUF10:39 pmBuffalo
American Airlines
Oct 29
BUF6:02 pmBuffalo
23h 58m
2 stops
SYD9:00 amSydney Kingsford Smith
Nov 5
SYD11:20 amSydney Kingsford Smith
27h 19m
2 stops
BUF10:39 pmBuffalo
American Airlines
Oct 29
BUF6:02 pmBuffalo
21h 53m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 5
SYD11:20 amSydney Kingsford Smith
27h 19m
2 stops
BUF10:39 pmBuffalo

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 September 16, 2025.
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 10/29

6:02 pm-6:55 am

1 stop21h 53m

Sydney Kingsford Smith

Wed 11/5

2:05 pm-10:39 pm

1 stop24h 34m

$1,437

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 10/29

6:02 pm-9:00 am

2 stops23h 58m

Sydney Kingsford Smith

Wed 11/5

11:20 am-10:39 pm

2 stops27h 19m

$1,440

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 10/13

6:20 am-7:35 am

2 stops34h 15m

Sydney Kingsford Smith

Mon 10/20

10:25 am-11:39 pm

2 stops28h 14m

$1,457

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 10/13

2:50 pm-8:00 am

2 stops26h 10m

Sydney Kingsford Smith

Mon 10/20

10:30 am-9:13 pm

3 stops25h 43m

$1,550

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 1/10

2:49 pm-6:20 am

2 stops47h 31m

Sydney Kingsford Smith

Sun 1/25

2:00 pm-10:30 pm

2 stops24h 30m

$1,588

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

7:30 pm-7:35 am

2 stops45h 05m

Sydney Kingsford Smith

Sat 11/1

9:40 am-11:39 pm

2 stops28h 59m

$1,686

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 1/11

7:45 am-7:20 pm

3 stops43h 35m

Sydney Kingsford Smith

Sun 1/25

9:15 pm-11:50 am

3 stops54h 35m

$1,723

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 1/10

12:45 pm-7:20 pm

3 stops38h 35m

Sydney Kingsford Smith

Sun 1/25

9:15 pm-7:21 pm

3 stops62h 06m

$1,736

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 2/19

9:15 am-7:40 am

3 stops54h 25m

Sydney Kingsford Smith

Thu 2/26

12:15 pm-8:21 pm

3 stops48h 06m

$2,104

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

3:55 pm-5:45 pm

2 stops34h 50m

Sydney Kingsford Smith

Sun 11/2

4:10 pm-9:34 pm

3 stops44h 24m

$3,835

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 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 15% 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.
  • 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 21h 53m 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
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $1,165Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,193Free CancellationRating
7.4
8,924 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
Cronulla
Coogee
Lithgow
Penrith
Manly
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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1 adult
Thu 10/16
Thu 10/23

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