Flights » From Seattle, WA (SEA-Seattle Tacoma) » To Sydney, N.S.W., Australia (SYD-Kingsford Smith)

Learn about flights from SEA to SYD

On this page, you'll find a collection of useful information on flights from Seattle, WA (SEA-Seattle Tacoma) to Sydney, N.S.W., Australia (SYD-Kingsford Smith). When you're ready to search, click here for the cheapest flights!

Cleverlayover is a flight search engine for cheaper flights. We find savings by looking at all the possible ways to get from your origin to your destination, including searches that look at each possible layover location individually. For example, if you're flying from SEA to SYD, we'll search for flights from SEA to every other airport and then flights from those airports to SYD. After piecing together those flights, we can find savings that the other search engines don't show you.