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$1,167+ Cheap flights from Buffalo (BUF) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Buffalo to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Round-trip from

$1,169
(American Airlines)

Popular in

April

Cheapest in

November

Average price

$1,439
From Buffalo to Sydney Kingsford Smith
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Highest demand for flights based on searches. 6% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Buffalo to Sydney

Cheapest flights from Buffalo to Sydney
Explore the most affordable flight options available from Buffalo to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:33 amBUF - SYD
2 stops32h 22mUnited Airlines
Tue 9/2310:20 amSYD - BUF
2 stops37h 33mUnited Airlines
Deal found 7/28$1,167
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:00 pmBUF - SYD
2 stops28h 05mAmerican Airlines
Sat 9/209:10 amSYD - BUF
2 stops26h 40mAmerican Airlines
Deal found 7/30$1,169
This Qantas Airways deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:45 pmBUF - SYD
1 stop23h 10mMultiple Airlines
Fri 9/512:10 pmSYD - BUF
1 stop24h 58mMultiple Airlines
Deal found 7/30$1,436
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amBUF - SYD
2 stops34h 35mDelta
Thu 10/309:40 amSYD - BUF
2 stops29h 00mDelta
Deal found 7/29$1,456
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/153:55 pmBUF - SYD
3 stops37h 05mTurkish Airlines
Tue 9/308:55 pmSYD - BUF
3 stops39h 13mTurkish Airlines
Deal found 7/28$1,666

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Buffalo to Sydney that are best for you.

Fly from

Buffalo

Fly to

Sydney

Route

Depart

Return

Price

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 9/15

8:33 am-6:55 am

2 stops32h 22m

Sydney Kingsford Smith

Tue 9/23

10:20 am-9:53 am

2 stops37h 33m

$1,167

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 9/13

1:00 pm-7:05 am

2 stops28h 05m

Sydney Kingsford Smith

Sat 9/20

9:10 am-9:50 pm

2 stops26h 40m

$1,169

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Fri 8/29

5:45 pm-6:55 am

1 stop23h 10m

Sydney Kingsford Smith

Fri 9/5

12:10 pm-11:08 pm

1 stop24h 58m

$1,436

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

6:00 am-7:35 am

2 stops34h 35m

Sydney Kingsford Smith

Thu 10/30

9:40 am-11:40 pm

2 stops29h 00m

$1,456

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Mon 9/15

3:55 pm-7:00 pm

3 stops37h 05m

Sydney Kingsford Smith

Tue 9/30

8:55 pm-10:08 pm

3 stops39h 13m

$1,666

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 9/13

7:05 am-7:20 am

3 stops34h 15m

Sydney Kingsford Smith

Sat 9/20

9:20 am-9:16 pm

2 stops25h 56m

$2,340

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

1:57 pm-10:25 am

2 stops29h 28m

Sydney Kingsford Smith

Thu 10/30

9:45 pm-1:17 pm

2 stops30h 32m

$2,370

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Buffalo to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Sydney

What is the cheapest month to book a flight from Buffalo to Sydney?

Currently, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $1,028). Flying from Buffalo to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to SYD?

Find hourly flight availability from Buffalo to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Sydney in the evening. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated July 30, 2025.
See what other customers who have flown with Singapore Airlines, Delta, and United Airlines from Buffalo to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,338 reviews

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Delta
8.0
Very good
7,980 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
United Airlines
7.4
Good
8,896 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Turkish Airlines
7.3
Good
3,928 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
American Airlines
7.2
Good
10,000 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Boarding

8.2

Crew

8.6

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Buffalo to Sydney round-trip?

    Flying on American Airlines is currently your cheapest option to Sydney, with prices starting at $1,169. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $1,186 and $1,456, respectively. These flights start at 23% lower than the current average price 3 months from now.

  • Can I find deals for flights from Buffalo to Sydney that include hotel bookings?

    Yes. In addition to deals on Buffalo to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Sydney.

  • Can I find deals for business class flights from Buffalo to Sydney?

    Yes. Cheapflights offers flight deals from Buffalo to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $1,028). Flying from Buffalo to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Buffalo to Sydney

Discover the top 3 airlines that operate flights from Buffalo to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,165Average$1,535FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,193Average$1,513FlexibilityNo cancel feeOn-time69%

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