$730+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Sydney
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to SydneyExplore 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 25, 2026.
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 25, 2026.
This Qantas Airways deal was found by Cheapflights users on 7/24. 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 10/2011:24 am
BUF
- SYD
2 stops28h 01m
Multiple Airlines
Tue 10/278:30 am
SYD
- BUF
3 stops28h 54m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,152
This Qantas Airways deal was found by Cheapflights users on 7/24. 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 10/2111:08 am
BUF
- SYD
3 stops29h 52m
Multiple Airlines
Thu 1/212:05 pm
SYD
- BUF
2 stops24h 38m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,194
This Qantas Airways deal was found by Cheapflights users on 7/24. 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 10/3011:24 am
BUF
- SYD
2 stops28h 01m
Multiple Airlines
Tue 11/178:45 am
SYD
- BUF
3 stops29h 48m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,202
This KAYAK deal was found by Cheapflights users on 7/24. 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.
Tue 10/204:48 pm
BUF
- SYD
1 stop23h 07m
Qantas Airways
Tue 10/271:05 pm
SYD
- BUF
1 stop24h 54m
Qantas Airways
Deal found 7/24![Qantas Airways logo]()
$1,203
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/142:51 pm
BUF
- SYD
2 stops25h 34m
American Airlines
Sun 8/239:10 am
SYD
- BUF
2 stops27h 51m
American Airlines
Deal found 7/25![American Airlines logo]()
$1,238
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 9/61:03 pm
BUF
- SYD
2 stops27h 52m
American Airlines
Sun 9/139:10 am
SYD
- BUF
2 stops27h 00m
American Airlines
Deal found 7/24![American Airlines logo]()
$1,246
Best flights from Buffalo to SydneyDiscover carefully curated flight deals from Buffalo to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Buffalo to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Qantas Airways deal was found by Cheapflights users on 7/24. 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 10/204:48 pm
BUF
- SYD
1 stop23h 07m
Multiple Airlines
Tue 10/271:05 pm
SYD
- BUF
2 stops24h 19m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,171
This Delta deal was found by Cheapflights users on 7/22. 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.
Fri 10/307:00 am
BUF
- SYD
2 stops33h 30m
Delta
Tue 11/1710:40 am
SYD
- BUF
2 stops29h 15m
Delta
Deal found 7/22![Delta logo]()
$1,275
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 10/304:48 pm
BUF
- SYD
1 stop23h 07m
American Airlines
Tue 11/172:05 pm
SYD
- BUF
1 stop24h 48m
American Airlines
Deal found 7/21![American Airlines logo]()
$1,292
This Qantas Airways deal was found by Cheapflights users on 7/25. 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 10/304:48 pm
BUF
- SYD
1 stop23h 07m
Multiple Airlines
Tue 11/178:30 am
SYD
- BUF
3 stops30h 03m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,202
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 10/287:00 am
BUF
- SYD
2 stops33h 30m
Delta
Sat 11/1410:40 am
SYD
- BUF
2 stops29h 10m
Delta
Deal found 7/22![Delta logo]()
$1,275
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 11/54:40 pm
BUF
- SYD
1 stop22h 15m
American Airlines
Sat 11/2111:20 am
SYD
- BUF
2 stops27h 33m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,346
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 11/56:00 am
BUF
- SYD
2 stops34h 30m
Delta
Sat 11/2110:40 am
SYD
- BUF
2 stops39h 42m
Delta
Deal found 7/22![Delta logo]()
$1,325
Last-minute flights from Buffalo to SydneyDiscover last-minute flight deals from Buffalo to Sydney. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Sydney. Data last updated July 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/11:47 pm
BUF
- SYD
2 stops27h 18m
American Airlines
Fri 8/79:25 pm
SYD
- BUF
2 stops26h 53m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,346
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/16:00 am
BUF
- SYD
2 stops34h 50m
Delta
Wed 8/59:15 am
SYD
- BUF
2 stops23h 08m
Delta
Deal found 7/21![Delta logo]()
$1,997
This Delta deal was found by Cheapflights users on 7/24. 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.
Fri 8/78:57 am
BUF
- SYD
2 stops31h 53m
Delta
Mon 8/109:15 am
SYD
- BUF
2 stops23h 08m
Delta
Deal found 7/24![Delta logo]()
$1,758
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/142:51 pm
BUF
- SYD
2 stops25h 34m
American Airlines
Sun 8/239:10 am
SYD
- BUF
2 stops27h 51m
American Airlines
Deal found 7/25![American Airlines logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/146:55 am
BUF
- SYD
3 stops34h 05m
United Airlines
Sun 8/239:30 am
SYD
- BUF
2 stops23h 28m
United Airlines
Deal found 7/23![United Airlines logo]()
$1,472
This Etihad Airways deal was found by Cheapflights users on 7/21. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:15 am
BUF
- SYD
2 stops41h 35m
Etihad Airways
Mon 8/248:50 pm
SYD
- BUF
2 stops60h 08m
Etihad Airways
Deal found 7/21![Etihad Airways logo]()
$2,095
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/212:51 pm
BUF
- SYD
2 stops26h 14m
American Airlines
Fri 8/2812:00 pm
SYD
- BUF
2 stops25h 36m
American Airlines
Deal found 7/24![American Airlines logo]()
$1,288
This Qantas Airways deal was found by Cheapflights users on 7/24. 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 8/212:51 pm
BUF
- SYD
2 stops26h 39m
Multiple Airlines
Fri 8/285:10 pm
SYD
- BUF
3 stops30h 29m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,339
This Ovago deal was found by Cheapflights users on 7/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:50 pm
BUF
- SYD
1 stop24h 05m
Qantas Airways
Fri 8/2812:00 pm
SYD
- BUF
1 stop25h 01m
Qantas Airways
Deal found 7/24![Qantas Airways logo]()
$1,566
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/232:51 pm
BUF
- SYD
2 stops26h 39m
American Airlines
Sun 8/309:10 am
SYD
- BUF
2 stops27h 51m
American Airlines
Deal found 7/24![American Airlines logo]()
$1,217
This KAYAK deal was found by Cheapflights users on 7/24. 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.
Sun 8/2310:30 am
BUF
- SYD
3 stops31h 50m
Qantas Airways
Sun 8/309:10 am
SYD
- BUF
2 stops27h 51m
Qantas Airways
Deal found 7/24![Qantas Airways logo]()
$1,533
One-way flights from Buffalo to SydneySearch for one-way flight options from Buffalo to Sydney. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Buffalo to Sydney. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:36 am
BUF
- SYD
3 stops54h 24m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$730
This oojo deal was found by Cheapflights users on 7/25. 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.
Fri 10/304:48 pm
BUF
- SYD
2 stops25h 12m
Qantas Airways
Deal found 7/25![Qantas Airways logo]()
$736
This Turkish Airlines deal was found by Cheapflights users on 7/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:32 pm
BUF
- SYD
3 stops38h 03m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$867
Find 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,152 (Qantas Airways) |
One-way from | $730 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $1,420 |
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 25, 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
Cheapest round-trip
Quickest round-trip
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Tue 10/20
4:48 pm-6:55 am
1 stop23h 07m
Sydney Kingsford Smith
Tue 10/27
1:05 pm-10:24 pm
2 stops24h 19m
$1,171
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Fri 10/30
4:48 pm-6:55 am
1 stop23h 07m
Sydney Kingsford Smith
Tue 11/17
8:30 am-10:33 pm
3 stops30h 03m
$1,202
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Fri 10/30
7:00 am-7:30 am
2 stops33h 30m
Sydney Kingsford Smith
Tue 11/17
10:40 am-11:55 pm
2 stops29h 15m
$1,275
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Wed 10/28
7:00 am-7:30 am
2 stops33h 30m
Sydney Kingsford Smith
Sat 11/14
10:40 am-11:50 pm
2 stops29h 10m
$1,275
BuffaloSydney
BUF - SYD
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
$1,292
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Thu 11/5
6:00 am-8:30 am
2 stops34h 30m
Sydney Kingsford Smith
Sat 11/21
10:40 am-10:22 am
2 stops39h 42m
$1,325
BuffaloSydney
BUF - SYD
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
$1,346
Cheapest one-way
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Sat 9/5
11:36 am-8:00 am
3 stops54h 24m
$730
Quickest one-way
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Fri 10/30
4:48 pm-9:00 am
2 stops25h 12m
$736
BuffaloSydney
BUF - SYD
BUFSYD
Buffalo
Fri 10/30
2:32 pm-7:35 pm
3 stops38h 03m
$867
Sorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
BUF-SYD
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 $218). Flying from Buffalo to Sydney in May is currently the most expensive (average of $1,648). 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.
How much does it cost to fly round-trip from Buffalo to Sydney?
Airfare is below average for this route at the moment.
Buffalo to Sydney flights typically cost between $1,254 and $1,538 in October.The cheapest round-trip price found within the last 5 days was $1,152 on Multiple Airlines (Oct 20-Oct 27).
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 25, 2026.
See what other customers who have flown with United Airlines and American 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.
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Buffalo and Sydney flights
Browse other Buffalo and Sydney flight options. Last updated on July 25, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Top 2 airlines flying from Buffalo to Sydney
Discover the top 2 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$800 | Average$1,295 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,166 | Average$1,441 | FlexibilityNo cancel fee | On-time71% |