Find Deals on 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Australia

(Round-trip)
Depart: Fri May 26 2017 Return: Mon May 29 2017 Trip spans 4 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Tue Aug 29 2017 Return: Tue Sep 12 2017 Trip spans 15 days
Air China
Air China
SEA
SYD
34h 55m
2 stops
SYD
SEA
38h 20m
2 stops
Depart: Tue Aug 29 2017 Return: Mon Sep 11 2017 Trip spans 14 days
Major Airline
Major Airline
SEA
SYD
23h 15m
2 stops
SYD
SEA
24h 16m
2 stops
Depart: Sun Apr 2 2017 Return: Sun Apr 16 2017 Trip spans 15 days
China Eastern
China Eastern
SEA
SYD
45h 35m
2 stops
SYD
SEA
52h 20m
2 stops
Depart: Tue Jun 6 2017 Return: Tue Jun 20 2017 Trip spans 15 days
ANA
ANA
SEA
SYD
27h 30m
2 stops
SYD
SEA
38h 40m
2 stops
Depart: Thu Aug 31 2017 Return: Fri Sep 29 2017 Trip spans 30 days
EVA Air
EVA Air
SEA
BNE
29h 20m
1 stop
BNE
SEA
24h 45m
1 stop
Depart: Tue Aug 15 2017 Return: Wed Aug 30 2017 Trip spans 16 days
$1245
Select
Qantas Airways
Qantas Airways
SEA
ADL
26h 15m
2 stops
ADL
SEA
22h 54m
2 stops
Depart: Tue Jul 25 2017 Return: Tue Aug 1 2017 Trip spans 8 days
$1261
Select
Virgin Australia
Virgin Australia
SEA
ADL
27h 50m
2 stops
ADL
SEA
24h 09m
2 stops
Depart: Tue Jul 4 2017 Return: Tue Jul 18 2017 Trip spans 15 days
$1296
Select
United
United
SEA
MEL
24h 55m
1 stop
MEL
SEA
40h 03m
2 stops
Depart: Wed Sep 6 2017 Return: Wed Sep 20 2017 Trip spans 15 days
Air China
Air China
SEA
SYD
34h 55m
2 stops
SYD
SEA
38h 20m
2 stops
Depart: Wed Sep 6 2017 Return: Mon Sep 18 2017 Trip spans 13 days
Air China
Air China
SEA
SYD
34h 55m
2 stops
SYD
SEA
38h 20m
2 stops
Depart: Mon Mar 27 2017 Return: Wed Apr 5 2017 Trip spans 10 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Wed Aug 9 2017 Return: Wed Aug 30 2017 Trip spans 22 days
Major Airline
Major Airline
SEA
MEL
25h 50m
1 stop
MEL
SEA
26h 44m
1 stop
Depart: Thu Sep 7 2017 Return: Fri Sep 22 2017 Trip spans 16 days
$1026
Select
EVA Air
EVA Air
SEA
BNE
39h 20m
1 stop
BNE
SEA
35h 35m
1 stop
Depart: Fri May 26 2017 Return: Mon Jul 24 2017 Trip spans 60 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
Air China
Air China
SEA
MEL
34h 40m
2 stops
MEL
SEA
37h 20m
2 stops
Depart: Fri Mar 31 2017 Return: Sat Apr 15 2017 Trip spans 16 days
$1127
Select
China Eastern
China Eastern
SEA
SYD
45h 41m
2 stops
SYD
SEA
61h 30m
2 stops
Depart: Thu Apr 13 2017 Return: Tue May 2 2017 Trip spans 20 days
$1140
Select
Major Airline
Major Airline
SEA
MEL
25h 40m
1 stop
MEL
SEA
22h 27m
1 stop
Depart: Thu Apr 27 2017 Return: Wed May 3 2017 Trip spans 7 days
$1317
Select
Virgin Australia
Virgin Australia
SEA
BNE
28h 18m
1 stop
BNE
SEA
36h 24m
2 stops
Depart: Tue May 16 2017 Return: Mon May 29 2017 Trip spans 14 days
$1161
Select
Major Airline
Major Airline
SEA
BNE
26h 47m
2 stops
BNE
SEA
32h 44m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

We compile tonnes of data for you
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
$746
Destination

Brisbane
$989
Adelaide
$1245
Melbourne
$918
Sydney
$746