$766+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SYD
Nov 24 — Dec 11
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
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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
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Best
Last-minute
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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 October 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 October 25, 2026.
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am -
3 stops35h 05m
Tue 11/1711:20 am -
3 stops45h 42m
Deal found 10/21![Air Canada logo]()
$1,229
This Qantas Airways deal was found by Cheapflights users on 10/20. 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 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 10/20![Multiple Airlines logo]()
$1,245
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
2 stops34h 20m
Tue 11/1710:40 am -
2 stops24h 33m
Deal found 10/20![Delta logo]()
$1,254
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops59h 05m
Thu 11/1211:20 am -
2 stops25h 16m
Deal found 10/20![Air Canada logo]()
$1,260
This KAYAK deal was found by Cheapflights users on 10/20. 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 KAYAK 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 10/20![Qantas Airways logo]()
$1,282
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 11/57:00 am -
2 stops33h 30m
Sat 11/2110:40 am -
2 stops37h 40m
Deal found 10/21![Delta logo]()
$1,304
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/510:51 am -
2 stops30h 14m
Sat 11/2111:50 am -
2 stops26h 43m
Deal found 10/23![United Airlines logo]()
$1,305
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 October 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 October 25, 2026.
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops59h 05m
Thu 11/1211:20 am -
2 stops25h 16m
Deal found 10/20![Air Canada logo]()
$1,260
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops33h 30m
Sat 11/2110:40 am -
2 stops37h 40m
Deal found 10/20![Delta logo]()
$1,304
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/286:44 am -
1 stop32h 11m
Sat 12/52:05 pm -
1 stop24h 47m
Deal found 10/21![American Airlines logo]()
$1,494
This Qatar Airways deal was found by Cheapflights users on 10/24. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:09 pm -
2 stops48h 41m
Thu 11/1210:10 pm -
2 stops38h 26m
Deal found 10/24![Qatar Airways logo]()
$2,096
This Qantas Airways deal was found by Cheapflights users on 10/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/126:49 am -
3 stops31h 36m
Sat 3/207:00 am -
3 stops29h 58m
Deal found 10/20![Multiple Airlines logo]()
$2,164
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
3 stops35h 05m
Sat 11/2111:20 am -
2 stops25h 31m
Deal found 10/20![Air Canada logo]()
$1,379
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:43 am -
2 stops28h 12m
Mon 12/1411:10 am -
2 stops26h 45m
Deal found 10/23![American Airlines logo]()
$1,728
This Expedia deal was found by Cheapflights users on 10/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:30 am -
3 stops35h 05m
Sun 11/2911:20 am -
3 stops49h 16m
Deal found 10/24![Air Canada logo]()
$2,130
Last-minute flights from Buffalo to SydneyDiscover last-minute flight deals from Buffalo to Sydney. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Sydney. Data last updated October 25, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am -
3 stops35h 05m
Tue 11/1711:20 am -
3 stops45h 42m
Deal found 10/21![Air Canada logo]()
$1,229
This Qantas Airways deal was found by Cheapflights users on 10/20. 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 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 10/20![Multiple Airlines logo]()
$1,245
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
2 stops34h 20m
Tue 11/1710:40 am -
2 stops24h 33m
Deal found 10/20![Delta logo]()
$1,254
This KAYAK deal was found by Cheapflights users on 10/20. 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 KAYAK 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 10/20![Qantas Airways logo]()
$1,282
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 11/57:00 am -
2 stops33h 30m
Sat 11/2110:40 am -
2 stops37h 40m
Deal found 10/21![Delta logo]()
$1,304
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/510:51 am -
2 stops30h 14m
Sat 11/2111:50 am -
2 stops26h 43m
Deal found 10/23![United Airlines logo]()
$1,305
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops59h 05m
Thu 11/1211:20 am -
2 stops25h 16m
Deal found 10/20![Air Canada logo]()
$1,260
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 October 25, 2026.
Search for one-way flight options from Buffalo to Sydney. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This oojo deal was found by Cheapflights users on 10/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:53 pm -
2 stops43h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Qantas Airways logo]()
$766
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/288:00 pm -
3 stops55h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$909
This FlightHub deal was found by Cheapflights users on 10/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am -
3 stops45h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Turkish Airlines logo]()
$1,167
This SmartFares deal was found by Cheapflights users on 10/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:30 am -
2 stops45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![ANA logo]()
$1,273
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:10 am -
2 stops27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$1,370
This Gurufare deal was found by Cheapflights users on 10/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:03 am -
1 stop31h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Qantas Airways logo]()
$2,258
This Booking.com deal was found by Cheapflights users on 10/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/285:35 pm -
3 stops72h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Air Canada logo]()
$3,916
This BusinessClass deal was found by Cheapflights users on 10/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:17 am -
2 stops29h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Qantas Airways logo]()
$4,536
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,203 (Gotogate) |
One-way from | $766 (oojo) |
Popular in | October |
Cheapest in | February |
Average price | $1,534 |
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 October 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
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Mon 12/28
6:53 pm-6:25 am
2 stops43h 32m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$766
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Mon 12/28
8:00 pm-7:25 pm
3 stops55h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$909
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Fri 12/25
6:00 am-7:25 pm
3 stops45h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,167
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sun 11/8
6:30 am-9:35 am
3 stops59h 05m
Sydney Kingsford Smith
Thu 11/12
11:20 am-8:36 pm
2 stops25h 16m
$1,260
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Fri 12/25
6:30 am-8:15 pm
2 stops45h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,273
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Thu 11/5
7:00 am-8:30 am
2 stops33h 30m
Sydney Kingsford Smith
Sat 11/21
10:40 am-8:20 am
2 stops37h 40m
$1,304
Quickest round-trip
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Fri 12/25
11:10 am-6:25 am
2 stops27h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,370
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Thu 11/5
6:30 am-9:35 am
3 stops35h 05m
Sydney Kingsford Smith
Sat 11/21
11:20 am-8:51 pm
2 stops25h 31m
$1,379
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Sat 11/28
6:44 am-6:55 am
1 stop32h 11m
Sydney Kingsford Smith
Sat 12/5
2:05 pm-10:52 pm
1 stop24h 47m
$1,494
BuffaloSydney
BUF Buffalo - SYD Sydney Kingsford Smith
BUFSYD
Buffalo
Mon 12/7
10:43 am-6:55 am
2 stops28h 12m
Sydney Kingsford Smith
Mon 12/14
11:10 am-9:55 pm
2 stops26h 45m
$1,728
Showing 1-10 of 18 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 October.
| 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 October 25, 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
Boarding
7.7
Overall
7.3
Food
6.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Boarding
7.7
Overall
7.3
Food
6.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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 October 25, 2026.
Other flights from Buffalo
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Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$800 | Average$1,295 | FlexibilityNo cancel fee | On-time69% |