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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 8/21. 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.
United Airlines Logo
10:57 am - 6:55 am
BUF
-
SYD
29h 58m
2 stops
United Airlines Logo
9:30 am - 10:37 pm
SYD
-
BUF
27h 07m
2 stops
$1,163United Airlines
Wed, Jul 29 - Wed, Aug 19
Multiple Airlines Logo
11:46 am - 6:25 am
BUF
-
SYD
27h 39m
2 stops
Multiple Airlines Logo
7:40 pm - 9:37 am
SYD
-
BUF
29h 57m
3 stops
$1,170Multiple Airlines
Fri, Oct 30 - Tue, Nov 17
United Airlines Logo
6:04 pm - 7:00 am
BUF
-
SYD
46h 56m
2 stops
United Airlines Logo
9:30 am - 9:07 pm
SYD
-
BUF
25h 37m
2 stops
$1,179United Airlines
Tue, Aug 4 - Mon, Aug 17
United Airlines Logo
1:54 pm - 7:00 am
BUF
-
SYD
27h 06m
2 stops
United Airlines Logo
10:20 am - 9:07 pm
SYD
-
BUF
24h 47m
2 stops
$1,213United Airlines
Thu, Jul 30 - Wed, Aug 19
United Airlines Logo
6:04 pm - 7:00 am
BUF
-
SYD
46h 56m
2 stops
United Airlines Logo
9:30 am - 9:07 pm
SYD
-
BUF
25h 37m
2 stops
$1,229United Airlines
Tue, Aug 4 - Thu, Aug 13
United Airlines Logo
1:54 pm - 7:00 am
BUF
-
SYD
27h 06m
2 stops
United Airlines Logo
9:30 am - 9:07 pm
SYD
-
BUF
25h 37m
2 stops
$1,263United Airlines
Thu, Jul 30 - Fri, Aug 14
American Airlines Logo
1:57 pm - 6:25 am
BUF
-
SYD
26h 28m
2 stops
American Airlines Logo
9:10 am - 10:50 pm
SYD
-
BUF
27h 40m
2 stops
$1,309American Airlines
Tue, Jul 14 - Tue, Jul 21
American Airlines Logo
2:44 pm - 6:25 am
BUF
-
SYD
25h 41m
2 stops
American Airlines Logo
12:00 pm - 10:50 pm
SYD
-
BUF
24h 50m
1 stop
$1,310American Airlines
Tue, Jul 14 - Tue, Jul 21
Delta Logo
3:53 pm - 6:50 am
BUF
-
SYD
24h 57m
2 stops
Delta Logo
9:15 am - 12:12 am
SYD
-
BUF
28h 57m
2 stops
$1,313Delta
Mon, Sep 14 - Wed, Sep 23
Multiple Airlines Logo
4:50 pm - 6:55 am
BUF
-
SYD
23h 05m
1 stop
Multiple Airlines Logo
7:40 pm - 9:37 am
SYD
-
BUF
29h 57m
3 stops
$1,320Multiple Airlines
Fri, Oct 30 - Tue, Nov 17

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American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets
American Airlines
Jul 14
BUF1:57 pmBuffalo
26h 28m
2 stops
SYD6:25 amSydney Kingsford Smith
Jul 21
SYD9:10 amSydney Kingsford Smith
27h 40m
2 stops
BUF10:50 pmBuffalo
$1,309
American Airlines
Jul 14
BUF2:44 pmBuffalo
25h 41m
2 stops
SYD6:25 amSydney Kingsford Smith
Jul 21
SYD12:00 pmSydney Kingsford Smith
24h 50m
1 stop
BUF10:50 pmBuffalo
$1,310
American Airlines
Aug 1
BUF2:44 pmBuffalo
26h 46m
2 stops
SYD7:30 amSydney Kingsford Smith
Aug 16
SYD9:10 amSydney Kingsford Smith
27h 51m
2 stops
BUF11:01 pmBuffalo
$1,359

Delta flights from Buffalo to Sydney

Our best Delta deals on Buffalo to Sydney flight tickets
Delta
Sep 14
BUF3:53 pmBuffalo
24h 57m
2 stops
SYD6:50 amSydney Kingsford Smith
Sep 23
SYD9:15 amSydney Kingsford Smith
28h 57m
2 stops
BUF12:12 amBuffalo
$1,313
Delta
Oct 30
BUF12:09 pmBuffalo
28h 21m
2 stops
SYD7:30 amSydney Kingsford Smith
Nov 17
SYD10:40 amSydney Kingsford Smith
29h 10m
2 stops
BUF11:50 pmBuffalo
$1,363
Delta
Jul 31
BUF7:00 amBuffalo
33h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
Aug 7
SYD9:15 amSydney Kingsford Smith
28h 44m
2 stops
BUF11:59 pmBuffalo
$1,768

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 June 18, 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

Wed 7/29

10:57 am-6:55 am

2 stops29h 58m

Sydney Kingsford Smith

Wed 8/19

9:30 am-10:37 pm

2 stops27h 07m

$1,163

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 10/30

11:46 am-6:25 am

2 stops27h 39m

Sydney Kingsford Smith

Tue 11/17

7:40 pm-9:37 am

3 stops29h 57m

$1,170

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 8/4

6:04 pm-7:00 am

2 stops46h 56m

Sydney Kingsford Smith

Mon 8/17

9:30 am-9:07 pm

2 stops25h 37m

$1,179

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/30

1:54 pm-7:00 am

2 stops27h 06m

Sydney Kingsford Smith

Wed 8/19

10:20 am-9:07 pm

2 stops24h 47m

$1,213

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 8/4

6:04 pm-7:00 am

2 stops46h 56m

Sydney Kingsford Smith

Thu 8/13

9:30 am-9:07 pm

2 stops25h 37m

$1,229

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/30

1:54 pm-7:00 am

2 stops27h 06m

Sydney Kingsford Smith

Fri 8/14

9:30 am-9:07 pm

2 stops25h 37m

$1,263

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/14

1:57 pm-6:25 am

2 stops26h 28m

Sydney Kingsford Smith

Tue 7/21

9:10 am-10:50 pm

2 stops27h 40m

$1,309
Quickest round-trip

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/14

2:44 pm-6:25 am

2 stops25h 41m

Sydney Kingsford Smith

Tue 7/21

12:00 pm-10:50 pm

1 stop24h 50m

$1,310

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 9/14

3:53 pm-6:50 am

2 stops24h 57m

Sydney Kingsford Smith

Wed 9/23

9:15 am-12:12 am

2 stops28h 57m

$1,313

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 10/30

4:50 pm-6:55 am

1 stop23h 05m

Sydney Kingsford Smith

Tue 11/17

7:40 pm-9:37 am

3 stops29h 57m

$1,320

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, 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 2% 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

24h 49m

Direct flights

None
The fastest flight from Buffalo to Sydney takes 24h 49m
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 24h 49m 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
American AirlinesPriceFrom $1,166Free CancellationRating
7.1
11,688 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
Katoomba
Bondi Beach
Penrith
Wollongong
Randwick
Leura
Lithgow
Manly
Coogee
Cronulla
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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