Find Cheap Flights from Seattle 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 to Australia

(Round-trip)
Depart: Mon Oct 16 2017 Return: Tue Oct 24 2017 Trip spans 9 days
Air China
Air China
SEA
SYD
51h 35m
2 stops
SYD
SEA
38h 58m
2 stops
Depart: Wed Sep 6 2017 Return: Mon Sep 18 2017 Trip spans 13 days
Major Airline
Major Airline
SEA
SYD
24h 25m
2 stops
SYD
SEA
17h 46m
1 stop
Depart: Wed Aug 16 2017 Return: Mon Aug 28 2017 Trip spans 13 days
Air Canada
Air Canada
SEA
SYD
24h 55m
1 stop
SYD
SEA
18h 20m
1 stop
Depart: Thu Aug 31 2017 Return: Sun Sep 10 2017 Trip spans 11 days
Virgin Australia
Virgin Australia
SEA
SYD
27h 50m
1 stop
SYD
SEA
18h 30m
1 stop
Depart: Mon Nov 27 2017 Return: Sun Dec 17 2017 Trip spans 21 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
40h 10m
2 stops
Depart: Tue Dec 12 2017 Return: Tue Jan 16 2018 Trip spans 36 days
Air New Zealand
Air New Zealand
SEA
SYD
24h 35m
1 stop
SYD
SEA
25h 03m
2 stops
Depart: Mon Aug 28 2017 Return: Tue Sep 12 2017 Trip spans 16 days
Qantas Airways
Qantas Airways
SEA
BNE
19h 36m
1 stop
BNE
SEA
23h 29m
1 stop
Depart: Mon Jul 31 2017 Return: Wed Aug 16 2017 Trip spans 17 days
United
United
SEA
SYD
42h 23m
2 stops
SYD
SEA
23h 32m
2 stops
Depart: Tue Nov 14 2017 Return: Wed Nov 22 2017 Trip spans 9 days
EVA Air
EVA Air
SEA
BNE
39h 25m
1 stop
BNE
SEA
36h 10m
1 stop
Depart: Thu Oct 26 2017 Return: Sat Nov 4 2017 Trip spans 10 days
$1106
Select
China Southern
China Southern
SEA
MEL
43h 45m
3 stops
MEL
SEA
40h 04m
2 stops
Depart: Sat Nov 4 2017 Return: Sun Nov 12 2017 Trip spans 9 days
Air China
Air China
SEA
SYD
51h 15m
2 stops
SYD
SEA
63h 58m
2 stops
Depart: Fri Sep 1 2017 Return: Sun Sep 10 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
SYD
26h 35m
2 stops
SYD
SEA
22h 30m
2 stops
Depart: Fri Oct 20 2017 Return: Sun Nov 5 2017 Trip spans 17 days
Air China
Air China
SEA
SYD
51h 35m
2 stops
SYD
SEA
39h 58m
2 stops
Depart: Wed Nov 15 2017 Return: Sat Dec 2 2017 Trip spans 18 days
Virgin Australia
Virgin Australia
SEA
SYD
21h 35m
1 stop
SYD
SEA
19h 20m
1 stop
Depart: Mon Nov 20 2017 Return: Wed Dec 6 2017 Trip spans 17 days
Air China
Air China
SEA
MEL
50h 20m
2 stops
MEL
SEA
38h 58m
2 stops
Depart: Thu Dec 7 2017 Return: Sun Jan 7 2018 Trip spans 32 days
Major Airline
Major Airline
SEA
SYD
21h 15m
2 stops
SYD
SEA
21h 23m
2 stops
Depart: Mon Sep 4 2017 Return: Mon Sep 18 2017 Trip spans 15 days
Air New Zealand
Air New Zealand
SEA
BNE
27h 45m
2 stops
BNE
SEA
24h 53m
2 stops
Depart: Mon Jul 17 2017 Return: Tue Jul 25 2017 Trip spans 9 days
$1007
Select
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
39h 45m
2 stops
Depart: Tue Aug 29 2017 Return: Tue Sep 5 2017 Trip spans 8 days
Air China
Air China
SEA
SYD
35h 57m
2 stops
SYD
SEA
39h 12m
2 stops
Depart: Thu Nov 30 2017 Return: Sat Dec 30 2017 Trip spans 31 days
$1074
Select
EVA Air
EVA Air
SEA
BNE
28h 45m
1 stop
BNE
SEA
36h 10m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$754
Destination

Brisbane
$920
Melbourne
$795
Sydney
$754