Flight prices from Cardiff to Seattle

There’s no fixed price — fares between Cardiff and Seattle can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Flying from or to Cardiff and Seattle? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Cardiff: Only Cardiff is available for departures.
• Airports in Seattle: Arrivals into Seattle are possible from 2 airports - Boeing Field, Lake Union.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Choose the right flight for your trip from Cardiff to Seattle

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from eDreams, Expedia, and more.

Other popular destinations

Flying to United States? Many users also explore: Atlanta, Los Angeles, Miami, New York City, Orlando.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.