Round-trip from | $815 (CheapTickets) |
---|---|
One-way from | $377 (FlightHub) |
Popular in | January |
Cheapest in | September |
Average price | $941 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Wed 11/12
7:00 am-7:45 pm
1 stop17h 45m
Sydney Kingsford Smith
Tue 11/18
9:40 pm-9:57 pm
1 stop19h 17m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sat 11/1
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Tue 11/18
9:40 pm-8:09 pm
1 stop17h 29m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Thu 2/26
7:20 am-7:45 pm
1 stop17h 25m
Sydney Kingsford Smith
Thu 3/5
9:40 pm-9:45 pm
2 stops19h 05m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sat 11/1
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Fri 11/14
9:40 pm-5:35 am
1 stop26h 55m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Fri 2/27
7:20 am-7:45 pm
1 stop17h 25m
Sydney Kingsford Smith
Thu 3/5
9:40 pm-8:15 pm
1 stop17h 35m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Wed 11/12
7:00 am-7:45 pm
1 stop17h 45m
Sydney Kingsford Smith
Tue 11/18
9:40 pm-11:21 pm
1 stop20h 41m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sat 11/1
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Thu 11/13
9:40 pm-7:11 am
2 stops28h 31m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Wed 2/25
7:20 am-7:45 pm
1 stop17h 25m
Sydney Kingsford Smith
Thu 3/5
9:40 pm-9:45 pm
2 stops19h 05m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Thu 2/26
7:20 am-7:45 pm
1 stop17h 25m
Sydney Kingsford Smith
Sat 3/7
9:40 pm-10:40 pm
1 stop20h 00m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sat 2/28
7:20 am-7:45 pm
1 stop17h 25m
Sydney Kingsford Smith
Sun 3/8
9:40 pm-10:40 pm
1 stop19h 00m
Currently, March is the cheapest month in which you can book a flight from Seattle to New South Wales (average of $1,032). Flying from Seattle to New South Wales in December is currently the most expensive (average of $1,627). 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.
When flying from Seattle to New South Wales, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$591 | Average$1,169 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$789 | Average$902 | FlexibilityNo cancel fee | On-time74% | |
Cheapest$789 | Average$1,063 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$794 | Average$1,083 | FlexibilityNo cancel fee | On-time80% | |
Cheapest$804 | Average$996 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$826 | Average$1,159 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$836 | Average$1,114 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$842 | Average$1,066 | FlexibilityNo cancel fee | On-timeN/A |