About this route
Airlines serving both Seattle and Sydney include British Airways, Qatar Airways, Cathay Pacific and 9 more. We don't publish an award chart for this city pair yet, so use the search tool below to check live award pricing and availability across every program that flies it.
Airlines serving these airports
These carriers serve both SEA and SYD, non-stop or via a connecting hub.
British Airways
BA
Qatar Airways
QR
Cathay Pacific
CX
Iberia
IB
Japan Airlines
JL
United Airlines
UA
Alaska Airlines
AS
Emirates
EK
Turkish Airlines
TK
ANA
NH
Lufthansa
LH
KLM
KL
When award seats open on this route
Booking tips
- Book 6-11 months in advance for the best premium cabin availability
- Compare programs before transferring — prices vary significantly between loyalty currencies
- Check our search tool for real-time Seattle to Sydney award availability
Keep planning this trip
Other award routes from Seattle
Frequently asked questions
Which loyalty programs can I use for SEA to SYD?
We don't publish an award chart for SEA–SYD yet, so search the route to see which programs price it and what they charge. Most major programs accept transfers from Amex, Chase and Capital One, so the currency you hold is rarely the constraint — availability is.
Ready to book Seattle to Sydney?
Search real-time award availability across every airline on this route.