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Cheap flights from Buffalo to Sydney from $1,122

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Sydney departing on 8/29. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:36 am - 11:50 am
BUF
-
SYD
34h 14m
3 stops
Multiple Airlines Logo
1:15 pm - 10:29 am
SYD
-
BUF
35h 14m
3 stops
$1,122Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
6:55 am - 7:00 am
BUF
-
SYD
34h 05m
3 stops
United Airlines Logo
10:20 am - 9:07 pm
SYD
-
BUF
24h 47m
2 stops
$1,291United Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
7:00 am - 7:55 am
BUF
-
SYD
33h 55m
2 stops
United Airlines Logo
11:50 am - 6:51 pm
SYD
-
BUF
23h 01m
2 stops
$1,312United Airlines
Sun, Oct 11 - Mon, Nov 2
Delta Logo
7:43 pm - 7:50 am
BUF
-
SYD
45h 07m
2 stops
Delta Logo
10:40 am - 11:50 pm
SYD
-
BUF
29h 10m
2 stops
$1,329Delta
Mon, Oct 12 - Mon, Nov 2
Delta Logo
7:40 pm - 7:50 am
BUF
-
SYD
69h 10m
2 stops
Delta Logo
10:40 am - 10:39 pm
SYD
-
BUF
27h 59m
2 stops
$1,330Delta
Fri, Oct 16 - Wed, Nov 4
American Airlines Logo
4:50 pm - 6:55 am
BUF
-
SYD
24h 05m
1 stop
American Airlines Logo
9:10 am - 12:02 am
SYD
-
BUF
28h 52m
2 stops
$1,347American Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
4:48 pm - 6:55 am
BUF
-
SYD
23h 07m
1 stop
Multiple Airlines Logo
2:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,353Multiple Airlines
Fri, Oct 30 - Tue, Nov 17
American Airlines Logo
4:48 pm - 6:55 am
BUF
-
SYD
23h 07m
1 stop
American Airlines Logo
2:05 pm - 10:41 pm
SYD
-
BUF
24h 36m
1 stop
$1,354American Airlines
Wed, Oct 14 - Thu, Nov 5
Multiple Airlines Logo
4:48 pm - 6:55 am
BUF
-
SYD
23h 07m
1 stop
Multiple Airlines Logo
2:05 pm - 10:53 pm
SYD
-
BUF
24h 48m
2 stops
$1,357Multiple Airlines
Fri, Oct 30 - Tue, Nov 17
Multiple Airlines Logo
6:08 am - 6:25 am
BUF
-
SYD
33h 17m
3 stops
Multiple Airlines Logo
2:05 pm - 10:53 pm
SYD
-
BUF
24h 48m
2 stops
$1,358Multiple Airlines
Fri, Oct 30 - Tue, Nov 17

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Etihad Airways flights from Buffalo to Sydney

Our best Etihad Airways deals on Buffalo to Sydney flight tickets
Etihad Airways
Aug 20
BUF9:15 amBuffalo
54h 55m
2 stops
SYD6:10 amSydney Kingsford Smith
Aug 24
SYD8:50 pmSydney Kingsford Smith
41h 23m
2 stops
BUF12:13 amBuffalo
$1,920
Etihad Airways
Aug 20
BUF6:55 amBuffalo
43h 55m
2 stops
SYD4:50 pmSydney Kingsford Smith
Aug 24
SYD8:50 pmSydney Kingsford Smith
60h 08m
2 stops
BUF6:58 pmBuffalo
$2,020

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets
American Airlines
Aug 29
BUF4:50 pmBuffalo
24h 05m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 5
SYD9:10 amSydney Kingsford Smith
28h 52m
2 stops
BUF12:02 amBuffalo
$1,347
American Airlines
Oct 30
BUF4:48 pmBuffalo
23h 07m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 17
SYD2:05 pmSydney Kingsford Smith
24h 36m
1 stop
BUF10:41 pmBuffalo
$1,354
American Airlines
Nov 5
BUF5:03 pmBuffalo
21h 52m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 21
SYD11:20 amSydney Kingsford Smith
27h 21m
2 stops
BUF10:41 pmBuffalo
$1,407

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 July 17, 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

Cheapest round-trip

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 8/29

11:36 am-11:50 am

3 stops34h 14m

Sydney Kingsford Smith

Sat 9/5

1:15 pm-10:29 am

3 stops35h 14m

$1,122

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 8/29

6:55 am-7:00 am

3 stops34h 05m

Sydney Kingsford Smith

Sat 9/5

10:20 am-9:07 pm

2 stops24h 47m

$1,291

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 10/11

7:00 am-7:55 am

2 stops33h 55m

Sydney Kingsford Smith

Mon 11/2

11:50 am-6:51 pm

2 stops23h 01m

$1,312

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 10/12

7:43 pm-7:50 am

2 stops45h 07m

Sydney Kingsford Smith

Mon 11/2

10:40 am-11:50 pm

2 stops29h 10m

$1,329

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 10/16

7:40 pm-7:50 am

2 stops69h 10m

Sydney Kingsford Smith

Wed 11/4

10:40 am-10:39 pm

2 stops27h 59m

$1,330

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 8/29

4:50 pm-6:55 am

1 stop24h 05m

Sydney Kingsford Smith

Sat 9/5

9:10 am-12:02 am

2 stops28h 52m

$1,347
Quickest round-trip

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 10/30

4:48 pm-6:55 am

1 stop23h 07m

Sydney Kingsford Smith

Tue 11/17

2:05 pm-10:41 pm

1 stop24h 36m

$1,353

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 10/14

4:48 pm-6:55 am

1 stop23h 07m

Sydney Kingsford Smith

Thu 11/5

2:05 pm-10:41 pm

1 stop24h 36m

$1,354

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 10/30

4:48 pm-6:55 am

1 stop23h 07m

Sydney Kingsford Smith

Tue 11/17

2:05 pm-10:53 pm

2 stops24h 48m

$1,357

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 10/30

6:08 am-6:25 am

3 stops33h 17m

Sydney Kingsford Smith

Tue 11/17

2:05 pm-10:53 pm

2 stops24h 48m

$1,358

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sydney from

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 $218. If you are unable to visit Sydney during the month of February, then departing from Buffalo during the month June is also very affordable. Most momondo users find prices during this month for around $1,171.

Can stopping save me money on Buffalo to Sydney flights?

You could potentially save up to 4% 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

23h 07m

Direct flights

None
The fastest flight from Buffalo to Sydney takes 23h 07m
There are no direct flights from Buffalo to Sydney. There are no popular flight routes from Buffalo to Sydney.
Search flight deals

Frequently asked questions about flying 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 23h 07m 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
United AirlinesPriceFrom $800Free CancellationRating
7.4
9,997 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,165Free CancellationRating
7.1
11,819 reviews
Search American Airlines flights

Traveling to a place near Sydney?

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