Seattle to Munich is priced as low as $484 for mid-June departures with Oneworld Alliance and Star Alliance airlines. There are several other airports priced in $400s for departures from February to May.
Momondo.com meta-search
Seattle SEA – Vancouver YVR – Munich MUC – Toronto YYZ – Seattle SEA
Lufthansa Airlines Seattle SEA – Frankfurt FRA – Seattle SEA nonstop
$459.16 round trip Tue May 2 – Wed May 10
Delta Airlines Seattle – Amsterdam
$497.46 round trip Tue May 2 – Wed May 10
