Cheap flights from Cardiff to Seattle

Connecting routes only from Cardiff (CWL) to Seattle (SEA).

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Live fares · CWL → SEA

Frequently asked questions

  • Is there a direct flight from Cardiff to Seattle?

    There is currently no non-stop service from CWL to SEA. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: CWL → SEA Cheapest month to fly to Seattle All flights from Cardiff All flights to Seattle Flights to USA Visa-free with United Kingdom passport