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

Book cheap flights from Seattle to Australia

(Round-trip)
Depart: Mon Apr 10 2017 Return: Mon Apr 24 2017 Trip spans 15 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Mon Mar 20 2017 Return: Thu Mar 23 2017 Trip spans 4 days
China Eastern
China Eastern
SEA
SYD
46h 30m
2 stops
SYD
SEA
38h 49m
2 stops
Depart: Wed May 10 2017 Return: Sun Jun 18 2017 Trip spans 40 days
EVA Air
EVA Air
SEA
BNE
39h 00m
1 stop
BNE
SEA
35h 55m
1 stop
Depart: Thu Apr 6 2017 Return: Thu Apr 27 2017 Trip spans 22 days
Major Airline
Major Airline
SEA
MEL
26h 10m
2 stops
MEL
SEA
23h 49m
2 stops
Depart: Mon Mar 20 2017 Return: Tue May 2 2017 Trip spans 44 days
$1016
Select
Virgin Australia
Virgin Australia
SEA
MEL
24h 14m
2 stops
MEL
SEA
19h 15m
1 stop
Depart: Tue Mar 14 2017 Return: Tue Mar 28 2017 Trip spans 15 days
$1076
Select
China Southern
China Southern
SEA
PER
62h 20m
2 stops
PER
SEA
47h 08m
2 stops
Depart: Mon May 1 2017 Return: Mon May 15 2017 Trip spans 15 days
$1125
Select
Qantas Airways
Qantas Airways
SEA
ADL
35h 15m
2 stops
ADL
SEA
34h 44m
2 stops
Depart: Thu Jun 22 2017 Return: Fri Aug 4 2017 Trip spans 44 days
$1341
Select
Air New Zealand
Air New Zealand
SEA
SYD
26h 55m
1 stop
SYD
SEA
24h 05m
2 stops
Depart: Fri Mar 10 2017 Return: Mon Mar 13 2017 Trip spans 3 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Fri Mar 24 2017 Return: Wed Apr 19 2017 Trip spans 27 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Mon May 15 2017 Return: Mon May 29 2017 Trip spans 15 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Thu Apr 6 2017 Return: Sat Apr 29 2017 Trip spans 24 days
EVA Air
EVA Air
SEA
BNE
29h 05m
1 stop
BNE
SEA
24h 45m
1 stop
Depart: Tue May 2 2017 Return: Mon May 15 2017 Trip spans 14 days
Major Airline
Major Airline
SEA
MEL
25h 05m
2 stops
MEL
SEA
23h 44m
2 stops
Depart: Fri Apr 7 2017 Return: Mon Apr 24 2017 Trip spans 18 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Sun Mar 26 2017 Return: Fri Apr 7 2017 Trip spans 13 days
EVA Air
EVA Air
SEA
BNE
39h 20m
1 stop
BNE
SEA
35h 45m
1 stop
Depart: Thu Jun 1 2017 Return: Mon Jul 3 2017 Trip spans 33 days
Major Airline
Major Airline
SEA
BNE
21h 10m
2 stops
BNE
SEA
23h 43m
2 stops
Depart: Mon May 29 2017 Return: Mon Jun 5 2017 Trip spans 8 days
XiamenAir
XiamenAir
SEA
SYD
50h 50m
2 stops
SYD
SEA
64h 10m
2 stops
Depart: Sun Apr 30 2017 Return: Thu Jun 1 2017 Trip spans 33 days
$1238
Select
China Southern
China Southern
SEA
PER
37h 50m
2 stops
PER
SEA
47h 27m
2 stops
Depart: Tue May 16 2017 Return: Tue May 30 2017 Trip spans 15 days
$1244
Select
Qantas Airways
Qantas Airways
SEA
AVV
30h 30m
2 stops
AVV
SEA
38h 05m
2 stops
Depart: Fri Apr 7 2017 Return: Sun Apr 23 2017 Trip spans 17 days
$1032
Select
Major Airline
Major Airline
SEA
BNE
25h 49m
2 stops
BNE
SEA
22h 43m
2 stops
* 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
$725
Destination

Brisbane
$945
Adelaide
$1125
Perth
$1076
Avalon
$1244
Melbourne
$992
Sydney
$725