First · SYD → SEA
First class Sydney to Seattle
A good First class fare from Sydney to Seattle is under A$18,300 round trip, 30% below the median. Over the last 6 weeks the median round-trip fare we saw was A$26,160 and the lowest weekly fare A$18,910 (departing Thu 24 Dec 2026).
Currently from A$16,570 for a departure on Thu 26 Nov 2026. The lowest we have seen is A$15,080 (departing Fri 13 Nov 2026). We alerted 0 deals on this route in the last 90 days.
Weekly prices, last 6 weeks (round trip)
Thick line: the median fare we priced that week. Thin line: the lowest. US$; A$ at the day's rate on each deal.
Deals we alerted
None yet on this route. Members hear first when one appears.
Who flies it
Fares seen from Qantas, American Airlines.
Business and First from Sydney
The 3 blurred fares are for Elite members, who see every Business and First fare the moment we find it, with dates and the booking link. Founding members: A$99 a year, kept for as long as you stay a member. Or A$19 a month. The price for new members goes to A$149 when the founding offer ends.
Be told the moment this route drops.
Every Business and First fare, by e-mail, within minutes. Set your home airport and the routes you care about. Founding members: A$99 a year, kept for as long as you stay a member. Or A$19 a month. The price for new members goes to A$149 when the founding offer ends. 30-day money-back guarantee.
Related routes
More from Sydney: every fare on the board from Sydney and every route we track from it.
Prices are what Google Flights showed when we looked and change quickly. Not affiliated with Google. Updated Fri 13 Nov 2026.