Find Cheap Flights from Seattle/Tacoma Intl to Australia

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle/Tacoma Intl to Australia

(Round-trip)
Depart: Wed Oct 18 2017 Return: Tue Oct 31 2017 Trip spans 14 days
Air China
Air China
SEA
SYD
34h 55m
2 stops
SYD
SEA
38h 20m
2 stops
Depart: Mon Aug 28 2017 Return: Mon Sep 4 2017 Trip spans 8 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Tue Aug 29 2017 Return: Thu Sep 14 2017 Trip spans 17 days
Air Canada
Air Canada
SEA
BNE
28h 20m
2 stops
BNE
SEA
20h 10m
1 stop
Depart: Wed May 31 2017 Return: Sun Jun 18 2017 Trip spans 19 days
ANA
ANA
SEA
SYD
27h 30m
2 stops
SYD
SEA
38h 40m
2 stops
Depart: Fri Nov 10 2017 Return: Sun Nov 19 2017 Trip spans 10 days
$1006
Select
Major Airline
Major Airline
SEA
BNE
19h 35m
1 stop
BNE
SEA
17h 19m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
$1186
Select
Virgin Australia
Virgin Australia
SEA
MEL
21h 45m
1 stop
MEL
SEA
19h 16m
1 stop
Depart: Mon Jul 24 2017 Return: Thu Aug 3 2017 Trip spans 11 days
$1200
Select
United
United
SEA
MEL
24h 50m
1 stop
MEL
SEA
26h 02m
2 stops
Depart: Sun Jul 16 2017 Return: Sun Jul 30 2017 Trip spans 15 days
$1422
Select
American Airlines
American Airlines
SEA
SYD
26h 55m
1 stop
SYD
SEA
26h 38m
1 stop
Depart: Tue Aug 29 2017 Return: Tue Sep 5 2017 Trip spans 8 days
Air China
Air China
SEA
SYD
35h 06m
2 stops
SYD
SEA
38h 20m
2 stops
Depart: Mon Sep 4 2017 Return: Wed Sep 13 2017 Trip spans 10 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Wed Nov 1 2017 Return: Mon Dec 4 2017 Trip spans 34 days
Air China
Air China
SEA
SYD
34h 35m
2 stops
SYD
SEA
63h 58m
2 stops
Depart: Tue Sep 5 2017 Return: Fri Sep 22 2017 Trip spans 18 days
Air Canada
Air Canada
SEA
BNE
28h 20m
2 stops
BNE
SEA
24h 55m
1 stop
Depart: Wed Jun 7 2017 Return: Sun Jun 18 2017 Trip spans 12 days
ANA
ANA
SEA
SYD
27h 30m
2 stops
SYD
SEA
38h 40m
2 stops
Depart: Wed Nov 29 2017 Return: Tue Dec 12 2017 Trip spans 14 days
Air China
Air China
SEA
SYD
35h 00m
2 stops
SYD
SEA
39h 58m
2 stops
Depart: Thu Jul 27 2017 Return: Sun Aug 6 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
SYD
17h 50m
1 stop
SYD
SEA
25h 25m
1 stop
Depart: Wed Sep 6 2017 Return: Sat Sep 16 2017 Trip spans 11 days
Air China
Air China
SEA
SYD
51h 35m
2 stops
SYD
SEA
39h 37m
2 stops
Depart: Mon May 29 2017 Return: Mon Jun 12 2017 Trip spans 15 days
Air Canada
Air Canada
SEA
BNE
24h 05m
1 stop
BNE
SEA
17h 46m
1 stop
Depart: Fri May 26 2017 Return: Sun Jun 4 2017 Trip spans 10 days
$1119
Select
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
40h 10m
2 stops
Depart: Mon Oct 23 2017 Return: Mon Oct 30 2017 Trip spans 8 days
$1346
Select
Major Airline
Major Airline
SEA
AVV
30h 35m
2 stops
AVV
SEA
23h 13m
2 stops
Depart: Sat Jun 17 2017 Return: Fri Jul 7 2017 Trip spans 21 days
$1033
Select
Air Canada
Air Canada
SEA
BNE
24h 05m
1 stop
BNE
SEA
24h 55m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Seattle
$753
Destination

Brisbane
$832
Avalon
$1346
Melbourne
$1186
Sydney
$753