$680+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Oct 11 — Oct 181
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 September 11, 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 September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/193:05 pm -
2 stops25h 55m
Mon 10/2611:50 am -
2 stops23h 46m
Deal found 9/6![United Airlines logo]()
$1,299
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/184:48 pm -
1 stop23h 07m
Mon 11/22:05 pm -
1 stop24h 48m
Deal found 9/10![American Airlines logo]()
$1,301
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1810:46 am -
2 stops30h 09m
Mon 11/211:20 am -
2 stops24h 49m
Deal found 9/10![United Airlines logo]()
$1,304
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 10/193:35 pm -
2 stops25h 30m
Mon 10/261:05 pm -
1 stop24h 49m
Deal found 9/6![American Airlines logo]()
$1,308
This Qantas Airways deal was found by Cheapflights users on 9/11. 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 -
1 stop23h 07m
Tue 11/172:05 pm -
1 stop24h 48m
Deal found 9/11![Multiple Airlines logo]()
$1,357
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/318:50 am -
2 stops55h 10m
Sun 11/1511:50 am -
2 stops24h 46m
Deal found 9/10![United Airlines logo]()
$1,382
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/234:48 pm -
1 stop23h 07m
Fri 10/301:05 pm -
1 stop24h 49m
Deal found 9/8![American Airlines logo]()
$1,407
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/511:08 am -
2 stops27h 47m
Sat 11/2111:10 am -
2 stops27h 02m
Deal found 9/10![American Airlines logo]()
$1,411
This Qantas Airways deal was found by Cheapflights users on 9/10. 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.
Sat 10/3111:26 am -
2 stops27h 59m
Sun 11/152:05 pm -
3 stops43h 21m
Deal found 9/10![Multiple Airlines logo]()
$1,412
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 12/311:28 am -
2 stops29h 52m
Sat 12/129:20 am -
2 stops27h 26m
Deal found 9/8![United Airlines logo]()
$1,415
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 September 11, 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 September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/193:05 pm -
2 stops25h 55m
Mon 10/2611:50 am -
2 stops23h 46m
Deal found 9/6![United Airlines logo]()
$1,299
This Qantas Airways deal was found by Cheapflights users on 9/8. 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 -
1 stop23h 07m
Tue 11/172:05 pm -
1 stop24h 48m
Deal found 9/8![Multiple Airlines logo]()
$1,357
This Delta deal was found by Cheapflights users on 9/10. 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 3/66:00 am -
2 stops34h 30m
Fri 3/269:40 am -
2 stops40h 35m
Deal found 9/10![Delta logo]()
$1,615
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1810:46 am -
2 stops30h 09m
Mon 11/211:20 am -
2 stops24h 49m
Deal found 9/10![United Airlines logo]()
$1,304
This Qantas Airways deal was found by Cheapflights users on 9/11. 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 2/106:00 am -
3 stops32h 25m
Thu 2/252:05 pm -
2 stops24h 24m
Deal found 9/11![Multiple Airlines logo]()
$1,362
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/318:50 am -
2 stops55h 10m
Sun 11/1511:50 am -
2 stops24h 46m
Deal found 9/10![United Airlines logo]()
$1,382
This Qantas Airways deal was found by Cheapflights users on 9/10. 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.
Sat 10/314:48 pm -
1 stop23h 07m
Sun 11/152:05 pm -
1 stop24h 48m
Deal found 9/10![Multiple Airlines logo]()
$1,407
This United Airlines deal was found by Cheapflights users on 9/10. 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 3/82:44 pm -
2 stops26h 36m
Sat 3/2010:20 am -
2 stops28h 22m
Deal found 9/10![United Airlines logo]()
$1,615
This United Airlines deal was found by Cheapflights users on 9/10. 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 3/811:40 am -
2 stops27h 20m
Thu 3/2510:20 am -
2 stops28h 22m
Deal found 9/10![United Airlines logo]()
$1,615
This United Airlines deal was found by Cheapflights users on 9/10. 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 3/72:44 pm -
2 stops26h 21m
Fri 3/2610:20 am -
2 stops28h 22m
Deal found 9/10![United Airlines logo]()
$1,615
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 3/98:30 am -
2 stops32h 35m
Sun 3/2110:20 am -
2 stops27h 25m
Deal found 9/10![United Airlines logo]()
$1,615
Last-minute flights from Buffalo to SydneyDiscover last-minute flight deals from Buffalo to Sydney. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Sydney. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/165:45 pm -
2 stops47h 10m
Fri 11/2011:50 am -
2 stops26h 43m
Deal found 9/6![United Airlines logo]()
$1,433
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/184:48 pm -
1 stop23h 07m
Mon 11/22:05 pm -
1 stop24h 48m
Deal found 9/10![American Airlines logo]()
$1,301
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1810:46 am -
2 stops30h 09m
Mon 11/211:20 am -
2 stops24h 49m
Deal found 9/10![United Airlines logo]()
$1,304
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/193:05 pm -
2 stops25h 55m
Mon 10/2611:50 am -
2 stops23h 46m
Deal found 9/6![United Airlines logo]()
$1,299
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 10/193:35 pm -
2 stops25h 30m
Mon 10/261:05 pm -
1 stop24h 49m
Deal found 9/6![American Airlines logo]()
$1,308
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/221:11 pm -
2 stops27h 19m
Thu 10/2911:10 am -
2 stops26h 40m
Deal found 9/7![American Airlines logo]()
$1,411
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/234:48 pm -
1 stop23h 07m
Fri 10/301:05 pm -
1 stop24h 49m
Deal found 9/8![American Airlines logo]()
$1,407
This Qantas Airways deal was found by Cheapflights users on 9/11. 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 -
1 stop23h 07m
Tue 11/172:05 pm -
1 stop24h 48m
Deal found 9/11![Multiple Airlines logo]()
$1,357
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/318:50 am -
2 stops55h 10m
Sun 11/1511:50 am -
2 stops24h 46m
Deal found 9/10![United Airlines logo]()
$1,382
This Qantas Airways deal was found by Cheapflights users on 9/10. 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.
Sat 10/3111:26 am -
2 stops27h 59m
Sun 11/152:05 pm -
3 stops43h 21m
Deal found 9/10![Multiple Airlines logo]()
$1,412
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 September 11, 2026.
Search for one-way flight options from Buffalo to Sydney. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This oojo deal was found by Cheapflights users on 9/7. 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.
Sun 11/224:41 pm -
2 stops24h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Qantas Airways logo]()
$680
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/224:25 pm -
2 stops24h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/244:48 pm -
2 stops25h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$749
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 11/226:30 am -
3 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$850
This Bravofly deal was found by Cheapflights users on 9/9. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:53 pm -
3 stops56h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Turkish Airlines logo]()
$859
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Wed 10/712:19 pm -
3 stops40h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Turkish Airlines logo]()
$1,275
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Wed 9/233:33 pm -
2 stops35h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Qatar Airways logo]()
$1,853
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Sun 10/1111:38 am -
2 stops63h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Qatar Airways logo]()
$1,868
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Fri 10/97:53 pm -
2 stops55h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Qatar Airways logo]()
$2,145
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,299 (United Airlines) |
One-way from | $680 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $1,586 |
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 7,457,451 searches. Data last updated September 11, 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 Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sun 11/22
4:41 pm-9:00 am
2 stops24h 19m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$680
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sun 11/22
4:25 pm-9:00 am
2 stops24h 35m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$696
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sun 11/22
6:30 am-9:35 am
3 stops35h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$850
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sat 10/24
7:53 pm-7:25 pm
3 stops56h 32m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$859
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Mon 10/19
3:05 pm-8:00 am
2 stops25h 55m
Sydney Kingsford Smith
Mon 10/26
11:50 am-8:36 pm
2 stops23h 46m
$1,299
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sun 10/18
10:46 am-7:55 am
2 stops30h 09m
Sydney Kingsford Smith
Mon 11/2
11:20 am-8:09 pm
2 stops24h 49m
$1,304
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
$1,357
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Wed 2/10
6:00 am-6:25 am
3 stops32h 25m
Sydney Kingsford Smith
Thu 2/25
2:05 pm-10:29 pm
2 stops24h 24m
$1,362
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sat 10/31
8:50 am-7:00 am
2 stops55h 10m
Sydney Kingsford Smith
Sun 11/15
11:50 am-8:36 pm
2 stops24h 46m
$1,382
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sat 10/31
4:48 pm-6:55 am
1 stop23h 07m
Sydney Kingsford Smith
Sun 11/15
2:05 pm-10:53 pm
1 stop24h 48m
$1,407
Showing 1-10 of 19 resultsSorted 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 September.
| 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
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 September 11, 2026.
See what other customers who have flown with 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.
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
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Other flights from Buffalo
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Other flights to Sydney
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Top airline flying from Buffalo to Sydney
Discover the top airline 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$800 | Average$1,295 | FlexibilityNo cancel fee | On-time69% |