Find Cheap Flights from Seattle to Sydney Kingsford Smith

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 Sydney Kingsford Smith

(Round-trip)
Depart: Wed Aug 30 2017 Return: Wed Sep 13 2017 Trip spans 15 days
Air Canada
Air Canada
SEA
12:00a
SYD
5:10a
29h 10m
2 stops
SYD
12:00a
SEA
6:20p
18h 20m
1 stop
Depart: Tue Aug 1 2017 Return: Sun Aug 13 2017 Trip spans 13 days
United
United
SEA
12:00a
SYD
1:55a
25h 55m
2 stops
SYD
12:00a
SEA
11:30p
23h 30m
2 stops
Depart: Sun Sep 3 2017 Return: Tue Sep 12 2017 Trip spans 10 days
$1021
Select
China Southern
China Southern
SEA
12:00a
SYD
9:41a
33h 41m
2 stops
SYD
12:00a
SEA
1:51p
37h 51m
2 stops
Depart: Mon Jul 3 2017 Return: Tue Jul 18 2017 Trip spans 16 days
$1145
Select
Major Airline
Major Airline
SEA
12:00a
SYD
10:17p
22h 17m
2 stops
SYD
12:00a
SEA
10:30p
22h 30m
2 stops
Depart: Wed Jul 5 2017 Return: Mon Jul 17 2017 Trip spans 13 days
$1145
Select
Air New Zealand
Air New Zealand
SEA
12:00a
SYD
1:15a
25h 15m
2 stops
SYD
12:00a
SEA
6:20p
18h 20m
1 stop
Depart: Mon Jul 10 2017 Return: Thu Jul 20 2017 Trip spans 11 days
$1318
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
SYD
3:46a
27h 46m
1 stop
SYD
12:00a
SEA
2:49p
38h 49m
1 stop
Depart: Thu Aug 17 2017 Return: Tue Aug 29 2017 Trip spans 13 days
Air Canada
Air Canada
SEA
12:00a
SYD
3:15a
27h 15m
1 stop
SYD
12:00a
SEA
8:40p
20h 40m
1 stop
Depart: Fri Jul 7 2017 Return: Sun Jul 16 2017 Trip spans 10 days
$1873
Select
Virgin Australia
Virgin Australia
SEA
12:00a
SYD
12:50a
24h 50m
2 stops
SYD
12:00a
SEA
6:39p
18h 39m
1 stop
Depart: Mon Jul 10 2017 Return: Tue Jul 25 2017 Trip spans 16 days
$1939
Select
XiamenAir
XiamenAir
SEA
12:00a
SYD
2:50a
50h 50m
2 stops
SYD
12:00a
SEA
3:45p
39h 45m
2 stops
Depart: Sun Jul 9 2017 Return: Sun Jul 23 2017 Trip spans 15 days
$1954
Select
Hawaiian Airlines
Hawaiian Airlines
SEA
12:00a
SYD
5:30p
17h 30m
1 stop
SYD
12:00a
SEA
5:35p
17h 35m
1 stop
Depart: Fri Aug 4 2017 Return: Sat Aug 19 2017 Trip spans 16 days
United
United
SEA
12:00a
SYD
11:40p
23h 40m
2 stops
SYD
12:00a
SEA
8:10p
20h 10m
1 stop
Depart: Wed Aug 30 2017 Return: Mon Sep 11 2017 Trip spans 13 days
Air Canada
Air Canada
SEA
12:00a
SYD
5:10a
29h 10m
2 stops
SYD
12:00a
SEA
4:25p
16h 25m
1 stop
Depart: Sun Jul 9 2017 Return: Tue Jul 25 2017 Trip spans 17 days
$2040
Select
Qantas Airways
Qantas Airways
SEA
12:00a
SYD
7:46p
19h 46m
1 stop
SYD
12:00a
SEA
11:59p
23h 59m
1 stop
Depart: Sun Sep 3 2017 Return: Mon Sep 11 2017 Trip spans 9 days
$1071
Select
China Southern
China Southern
SEA
12:00a
SYD
9:41a
33h 41m
2 stops
SYD
12:00a
SEA
11:35a
35h 35m
3 stops
Depart: Wed Aug 30 2017 Return: Fri Sep 15 2017 Trip spans 17 days
Air Canada
Air Canada
SEA
12:00a
SYD
3:15a
27h 15m
1 stop
SYD
12:00a
SEA
4:25p
16h 25m
1 stop
Depart: Tue Jul 11 2017 Return: Tue Jul 25 2017 Trip spans 15 days
$1235
Select
Air New Zealand
Air New Zealand
SEA
12:00a
SYD
10:08p
22h 08m
2 stops
SYD
12:00a
SEA
1:25a
25h 25m
1 stop
Depart: Wed Jul 12 2017 Return: Tue Jul 25 2017 Trip spans 14 days
$1235
Select
Major Airline
Major Airline
SEA
12:00a
SYD
10:51a
34h 51m
2 stops
SYD
12:00a
SEA
11:53p
23h 53m
2 stops
Depart: Sun Sep 3 2017 Return: Sun Sep 10 2017 Trip spans 8 days
$1143
Select
United
United
SEA
12:00a
SYD
6:20p
18h 20m
1 stop
SYD
12:00a
SEA
2:43a
26h 43m
1 stop
Depart: Sun Sep 3 2017 Return: Fri Sep 15 2017 Trip spans 13 days
$1196
Select
China Southern
China Southern
SEA
12:00a
SYD
9:41a
33h 41m
2 stops
SYD
12:00a
SEA
11:58a
35h 58m
3 stops
Depart: Wed Jul 12 2017 Return: Wed Jul 26 2017 Trip spans 15 days
$1338
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
SYD
3:15a
51h 15m
2 stops
SYD
12:00a
SEA
12:00a
48h 00m
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
$847
Destination

Sydney
$847