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Cheap flights from Buffalo to Sydney from $1,304

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 9/21. 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
1:51 pm - 6:55 amBUF  Buffalo-SYD Sydney Kingsford Smith
27h 04m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
9:30 am - 8:47 pmSYD  Sydney Kingsford Smith-BUF Buffalo
25h 17m2 stops Los Angeles Chicago O'Hare Intl
$1,304United Airlines
Mon, Sep 21 - Mon, Sep 28
American Airlines Logo
4:48 pm - 6:55 amBUF  Buffalo-SYD Sydney Kingsford Smith
23h 07m1 stop Dallas/Fort Worth
American Airlines Logo
2:05 pm - 10:53 pmSYD  Sydney Kingsford Smith-BUF Buffalo
24h 48m1 stop Dallas/Fort Worth
$1,305American Airlines
Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
1:51 pm - 6:55 amBUF  Buffalo-SYD Sydney Kingsford Smith
27h 04m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
9:30 am - 8:47 pmSYD  Sydney Kingsford Smith-BUF Buffalo
25h 17m2 stops Los Angeles Chicago O'Hare Intl
$1,306United Airlines
Mon, Sep 21 - Mon, Sep 28
American Airlines Logo
4:40 pm - 6:55 amBUF  Buffalo-SYD Sydney Kingsford Smith
22h 15m1 stop Dallas/Fort Worth
American Airlines Logo
11:20 am - 10:53 pmSYD  Sydney Kingsford Smith-BUF Buffalo
27h 33m2 stops Los Angeles Dallas/Fort Worth
$1,309American Airlines
Thu, Nov 5 - Sat, Nov 21
American Airlines Logo
3:56 pm - 9:00 amBUF  Buffalo-SYD Sydney Kingsford Smith
26h 04m2 stops Charlotte Douglas Los Angeles
American Airlines Logo
2:05 pm - 11:59 pmSYD  Sydney Kingsford Smith-BUF Buffalo
25h 54m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National
$1,309American Airlines
Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
1:48 pm - 7:00 amBUF  Buffalo-SYD Sydney Kingsford Smith
27h 12m2 stops Chicago O'Hare Intl Los Angeles
United Airlines Logo
11:20 am - 10:43 pmSYD  Sydney Kingsford Smith-BUF Buffalo
26h 23m2 stops San Francisco Denver Intl
$1,313United Airlines
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
6:55 am - 7:00 amBUF  Buffalo-SYD Sydney Kingsford Smith
34h 05m3 stops Chicago O'Hare Intl San Francisco Los Angeles
United Airlines Logo
10:20 am - 8:47 pmSYD  Sydney Kingsford Smith-BUF Buffalo
24h 27m2 stops San Francisco Chicago O'Hare Intl
$1,313United Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
4:48 pm - 6:55 amBUF  Buffalo-SYD Sydney Kingsford Smith
23h 07m1 stop Dallas/Fort Worth
Multiple Airlines Logo
2:05 pm - 10:53 pmSYD  Sydney Kingsford Smith-BUF Buffalo
24h 48m1 stop Dallas/Fort Worth
$1,355Multiple Airlines
Fri, Oct 30 - Tue, Nov 17
Multiple Airlines Logo
4:48 pm - 6:55 amBUF  Buffalo-SYD Sydney Kingsford Smith
23h 07m1 stop Dallas/Fort Worth
Multiple Airlines Logo
2:05 pm - 10:33 pmSYD  Sydney Kingsford Smith-BUF Buffalo
24h 28m2 stops Dallas/Fort Worth New York LaGuardia
$1,359Multiple Airlines
Fri, Oct 30 - Tue, Nov 17
ANA Logo
7:00 am - 7:10 pmBUF  Buffalo-SYD Sydney Kingsford Smith
46h 10m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
9:45 pm - 8:47 pmSYD  Sydney Kingsford Smith-BUF Buffalo
38h 02m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,406ANA
Thu, Oct 1 - Thu, Oct 8

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United Airlines flights from Buffalo to Sydney

Our best United Airlines deals on Buffalo to Sydney flight tickets
United Airlines
Sep 21
BUF1:51 pmBuffalo
27h 04m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 28
SYD9:30 amSydney Kingsford Smith
25h 17m
2 stops
BUF8:47 pmBuffalo
$1,304
United Airlines
Sep 21
BUF1:51 pmBuffalo
27h 04m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 28
SYD9:30 amSydney Kingsford Smith
25h 17m
2 stops
BUF8:47 pmBuffalo
$1,306
United Airlines
Sep 21
BUF6:55 amBuffalo
34h 05m
3 stops
SYD7:00 amSydney Kingsford Smith
Sep 28
SYD10:20 amSydney Kingsford Smith
24h 27m
2 stops
BUF8:47 pmBuffalo
$1,313

American Airlines flights from Buffalo to Sydney

Our best American Airlines deals on Buffalo to Sydney flight tickets
American Airlines
Oct 26
BUF4:48 pmBuffalo
23h 07m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 9
SYD2:05 pmSydney Kingsford Smith
24h 48m
1 stop
BUF10:53 pmBuffalo
$1,305
American Airlines
Oct 26
BUF3:56 pmBuffalo
26h 04m
2 stops
SYD9:00 amSydney Kingsford Smith
Nov 9
SYD2:05 pmSydney Kingsford Smith
25h 54m
2 stops
BUF11:59 pmBuffalo
$1,309
American Airlines
Sep 21
BUF1:08 pmBuffalo
27h 57m
2 stops
SYD7:05 amSydney Kingsford Smith
Sep 28
SYD12:00 pmSydney Kingsford Smith
24h 59m
1 stop
BUF10:59 pmBuffalo
$1,314

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 August 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 Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 9/21

1:51 pm-6:55 am

2 stops27h 04m

Sydney Kingsford Smith

Mon 9/28

9:30 am-8:47 pm

2 stops25h 17m

$1,304

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 10/26

4:48 pm-6:55 am

1 stop23h 07m

Sydney Kingsford Smith

Mon 11/9

2:05 pm-10:53 pm

1 stop24h 48m

$1,305

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 9/21

1:51 pm-6:55 am

2 stops27h 04m

Sydney Kingsford Smith

Mon 9/28

9:30 am-8:47 pm

2 stops25h 17m

$1,306

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Thu 11/5

4:40 pm-6:55 am

1 stop22h 15m

Sydney Kingsford Smith

Sat 11/21

11:20 am-10:53 pm

2 stops27h 33m

$1,309

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 10/26

3:56 pm-9:00 am

2 stops26h 04m

Sydney Kingsford Smith

Mon 11/9

2:05 pm-11:59 pm

2 stops25h 54m

$1,309

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Wed 9/30

1:48 pm-7:00 am

2 stops27h 12m

Sydney Kingsford Smith

Wed 10/7

11:20 am-10:43 pm

2 stops26h 23m

$1,313

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Mon 9/21

6:55 am-7:00 am

3 stops34h 05m

Sydney Kingsford Smith

Mon 9/28

10:20 am-8:47 pm

2 stops24h 27m

$1,313

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

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

1 stop24h 48m

$1,355
Quickest round-trip

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Fri 10/30

4:48 pm-6:55 am

1 stop23h 07m

Sydney Kingsford Smith

Tue 11/17

2:05 pm-10:33 pm

2 stops24h 28m

$1,359

BuffaloSydney

BUF Buffalo - SYD Sydney Kingsford Smith

BUFSYD

Buffalo

Thu 10/1

7:00 am-7:10 pm

2 stops46h 10m

Sydney Kingsford Smith

Thu 10/8

9:45 pm-8:47 pm

2 stops38h 02m

$1,406

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,217 to $1,438.
The lowest price recently found on this route was $1,304.

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 $852. 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 21% 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

Best Price Found

$2,186

Fastest flight time

23h 07m

Direct flights

None
The best one-way flight to Sydney from Buffalo in the past 72 hours is $2,186. The best round-trip flight deal from Buffalo to Sydney found on momondo in the last 72 hours is $1,304.
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
10,106 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,217Free CancellationRating
7.1
11,944 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
Penrith
Wollongong
Katoomba
Cronulla
Leura
Randwick
Manly
Terrigal
Coogee
Lithgow
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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