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$679+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
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 June 15, 2025.

Round-trip from

$1,258
(American Airlines)

One-way from

$679
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$1,464
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. 5% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 15, 2025.

This American Airlines deal was found by Cheapflights users on 6/13. 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
Tue 9/309:10 amSYD - BUF
2 stops26h 41mAmerican Airlines
Deal found 6/13$1,258
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 10/810:55 amBUF - SYD
2 stops30h 05mUnited Airlines
Sat 11/111:50 amSYD - BUF
2 stops26h 08mUnited Airlines
Deal found 6/12$1,455
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:38 amBUF - SYD
3 stops43h 22mTurkish Airlines
Sun 10/199:55 pmSYD - BUF
3 stops50h 08mTurkish Airlines
Deal found 6/14$1,781
This Qantas Airways deal was found by Cheapflights users on 6/13. 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.
Wed 9/2411:00 amBUF - SYD
3 stops30h 30mMultiple Airlines
Sun 10/191:10 pmSYD - BUF
2 stops25h 44mMultiple Airlines
Deal found 6/13$1,800
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:55 amBUF - SYD
3 stops30h 25mAir Canada
Fri 10/3110:20 amSYD - BUF
2 stops25h 40mAir Canada
Deal found 6/14$2,248
This AranGrant deal was found by Cheapflights users on 6/12. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/128:02 amBUF - SYD
2 stops56h 18mJapan Airlines
Sat 7/198:55 amSYD - BUF
2 stops49h 54mJapan Airlines
Deal found 6/12$10,137

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 June 15, 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 7/1

4:46 pm-7:05 am

2 stops24h 19m

Sydney Kingsford Smith

Thu 7/10

9:10 am-10:08 pm

2 stops26h 58m

$1,636

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sun 7/27

1:57 pm-7:00 am

2 stops27h 03m

Sydney Kingsford Smith

Sun 8/3

9:30 am-10:55 pm

2 stops27h 25m

$1,684

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/1

5:39 pm-6:55 am

1 stop23h 16m

Sydney Kingsford Smith

Thu 7/10

10:25 am-9:01 pm

2 stops24h 36m

$2,445

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 7/2

5:40 am-7:00 pm

3 stops47h 20m

Sydney Kingsford Smith

Wed 7/9

8:55 pm-11:59 pm

3 stops41h 04m

$2,818

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 7/12

8:02 am-6:20 am

2 stops56h 18m

Sydney Kingsford Smith

Sat 7/19

8:55 am-8:49 pm

2 stops49h 54m

$10,137

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Sat 7/12

5:54 pm-7:20 am

3 stops47h 26m

Sydney Kingsford Smith

Sat 7/19

9:20 am-4:55 pm

3 stops45h 35m

$10,964

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Wed 8/13

1:04 pm-7:05 am

2 stops28h 01m

$679

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/22

6:00 am-7:00 am

2 stops35h 00m

$895

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/22

5:03 pm-6:45 am

2 stops47h 42m

$913

BuffaloSydney

BUF - SYD

BUFSYD

Buffalo

Tue 7/22

1:57 pm-8:00 pm

3 stops40h 03m

$1,100

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

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 $1,041). Flying from Buffalo to Sydney in December is currently the most expensive (average of $1,635). 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 June 15, 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 June 15, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
United Airlines
7.4
Good
8,793 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Turkish Airlines
7.3
Good
3,851 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Air Canada
7.1
Good
9,549 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

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 $1,258. Additional round-trip tickets that might be worth considering are offered by United Airlines and Turkish Airlines, with the lowest prices starting at $1,455 and $1,781, respectively. These flights start at 22% lower than the current average price 3 months from now.

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

    $679 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 United Airlines and LATAM Airlines, with prices starting from $895 and $913, 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 $1,041). Flying from Buffalo to Sydney in December is currently the most expensive (average of $1,635). 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
Manly
Coogee

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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 June 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$346Average$1,695FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,193Average$1,507FlexibilityNo cancel feeOn-time69%

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