Round-trip from | $814 (Air Canada) |
---|---|
One-way from | $366 (Air Canada) |
Popular in | December |
Cheapest in | February |
Average price | $1,051 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sun 11/9
4:30 pm-7:25 am
1 stop19h 55m
Sydney Kingsford Smith
Fri 11/28
5:45 pm-6:11 pm
1 stop19h 26m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Wed 11/12
7:00 am-7:45 pm
1 stop17h 45m
Sydney Kingsford Smith
Fri 11/21
9:40 pm-11:17 pm
1 stop20h 37m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sun 11/9
4:30 pm-7:25 am
1 stop19h 55m
Sydney Kingsford Smith
Sun 11/23
5:45 pm-6:11 pm
1 stop19h 26m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Thu 11/6
7:00 am-7:45 pm
1 stop17h 45m
Sydney Kingsford Smith
Fri 11/21
9:40 pm-8:49 pm
1 stop18h 09m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Fri 11/7
7:00 am-7:45 pm
1 stop17h 45m
Sydney Kingsford Smith
Thu 11/20
9:40 pm-5:35 am
1 stop26h 55m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Tue 9/30
5:26 pm-7:00 am
1 stop20h 34m
Sydney Kingsford Smith
Wed 10/15
10:30 am-9:15 pm
2 stops28h 45m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sun 9/21
5:40 pm-6:35 am
1 stop19h 55m
Sydney Kingsford Smith
Tue 9/30
9:25 am-12:45 pm
1 stop20h 20m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Thu 11/6
7:28 pm-9:15 am
1 stop18h 47m
Sydney Kingsford Smith
Wed 11/19
11:50 am-6:10 pm
2 stops25h 20m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sun 9/21
5:35 pm-6:55 am
1 stop20h 20m
Sydney Kingsford Smith
Thu 10/2
9:30 am-9:15 pm
2 stops28h 45m
SeattleSydney
SEA - SYD
SEASYD
Seattle/Tacoma Intl
Sat 12/13
5:05 am-9:05 am
2 stops33h 00m
Sydney Kingsford Smith
Fri 12/26
12:10 pm-5:00 pm
1 stop23h 50m
Currently, February is the cheapest month in which you can book a flight from Seattle to New South Wales (average of $1,035). Flying from Seattle to New South Wales in December is currently the most expensive (average of $1,626). 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.
Boarding
Crew
Entertainment
Overall
Comfort
Food
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Entertainment
Overall
Comfort
Food
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Entertainment
Overall
Comfort
Food
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Entertainment
Overall
Comfort
Food
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Entertainment
Overall
Comfort
Food
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Entertainment
Overall
Comfort
Food
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$591 | Average$1,165 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$789 | Average$908 | FlexibilityNo cancel fee | On-time74% | |
Cheapest$790 | Average$1,062 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$794 | Average$1,083 | FlexibilityNo cancel fee | On-time80% | |
Cheapest$804 | Average$1,034 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$826 | Average$1,162 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$836 | Average$1,118 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$842 | Average$1,070 | FlexibilityNo cancel fee | On-timeN/A |