Direct flights available:
51 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - Koeln/Bonn - Heathrow, Seattle Tacoma - Frankfurt Intl - London City Airport and Seattle Tacoma - Keflavik Intl - Heathrow.
You can fly from Seattle Tacoma to London indirect via Koeln/Bonn, Frankfurt Intl or Keflavik Intl.
Direct flights available on