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$776+ Cheap flights from Buffalo (BUF) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,462
(Delta)

One-way from

$776
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,463
Provider with most accurate pricing for Buffalo-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Sydney Kingsford Smith flights.
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From Buffalo to Sydney Kingsford Smith
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One-way flight from Buffalo to Sydney Kingsford Smith
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Highest demand for flights based on searches. 6% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:00 amBUF - SYD
2 stops31h 35mDelta
Wed 10/2910:05 amSYD - BUF
2 stops23h 27mDelta
Deal found 4/30$1,462
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 11/1912:38 pmBUF - SYD
2 stops26h 17mAmerican Airlines
Sun 11/302:30 pmSYD - BUF
1 stop23h 51mAmerican Airlines
Deal found 4/30$1,628
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:00 amBUF - SYD
2 stops34h 00mUnited Airlines
Sun 6/89:30 amSYD - BUF
2 stops28h 16mUnited Airlines
Deal found 4/29$1,650
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:45 pmBUF - SYD
3 stops39h 00mTurkish Airlines
Sun 11/309:40 pmSYD - BUF
3 stops50h 49mTurkish Airlines
Deal found 4/30$1,746
This Qantas Airways deal was found by Cheapflights users on 4/30. 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.
Tue 10/75:31 pmBUF - SYD
2 stops23h 34mMultiple Airlines
Fri 10/3111:30 amSYD - BUF
3 stops27h 24mMultiple Airlines
Deal found 4/30$1,860
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:45 amBUF - SYD
3 stops42h 30mSingapore Airlines
Sun 11/24:10 pmSYD - BUF
3 stops43h 11mSingapore Airlines
Deal found 4/30$2,503
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:01 amBUF - SYD
2 stops31h 19mKorean Air
Thu 8/77:55 amSYD - BUF
2 stops45h 17mKorean Air
Deal found 4/29$3,141

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 May 1, 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

Tue 10/7

12:09 pm-7:35 am

2 stops28h 26m

Sydney Kingsford Smith

Sun 11/2

11:05 am-12:54 am

2 stops28h 49m

$1,462

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 6/1

7:00 am-7:00 am

2 stops34h 00m

Sydney Kingsford Smith

Sun 6/8

9:30 am-11:46 pm

2 stops28h 16m

$1,650

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

3:30 pm-6:55 am

2 stops24h 25m

Sydney Kingsford Smith

Fri 10/31

1:30 pm-10:28 pm

1 stop23h 58m

$1,678

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

5:31 pm-8:05 am

2 stops23h 34m

Sydney Kingsford Smith

Fri 10/31

11:30 am-11:54 pm

3 stops27h 24m

$1,860

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

3:55 pm-8:00 pm

3 stops37h 05m

Sydney Kingsford Smith

Fri 10/31

9:40 pm-8:21 pm

3 stops61h 41m

$1,876

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 10/7

10:45 am-8:15 pm

3 stops42h 30m

Sydney Kingsford Smith

Sun 11/2

4:10 pm-8:21 pm

3 stops43h 11m

$2,503

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Thu 7/10

9:01 am-6:20 am

2 stops31h 19m

Sydney Kingsford Smith

Thu 8/7

7:55 am-3:12 pm

2 stops45h 17m

$3,141

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 6/14

7:55 pm-2:40 pm

2 stops52h 45m

$776

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/29

2:52 pm-7:05 am

2 stops26h 13m

$892

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 7/23

6:00 am-6:35 am

2 stops34h 35m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
1
2

Compare providers for flights from Buffalo to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Sydney in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Buffalo-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, March is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $1,043). Flying from Buffalo to Sydney in December is currently the most expensive (average of $1,643). 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 May 1, 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air New Zealand
8.0
Very good
472 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Turkish Airlines
7.3
Good
3,790 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 Delta is currently your cheapest option to Sydney, with prices starting at $1,462. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $1,650 and $1,797, respectively. These flights start at 13% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Buffalo to Sydney one-way?

    $892 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Air New Zealand, with prices starting from $905 and $1,304, respectively.

  • 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, March is the cheapest month in which you can book a flight from Buffalo to Sydney (average of $1,043). Flying from Buffalo to Sydney in December is currently the most expensive (average of $1,643). 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 Buffalo?

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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,193Average$1,512FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,320Average$1,720FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,412Average$1,919FlexibilityNo cancel feeOn-timeN/A

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