What’s the price of flying from Cardiff to Seattle?

It depends. Prices for flights from Cardiff to Seattle fluctuate based on several factors.

Choose a date to explore the best fares now.

Checking flights with stopovers can sometimes lead to big savings, especially on longer routes. Also, airfare often depends on availability — it’s wise to track price changes regularly.

Which departure and arrival airports are available?

Between Cardiff and Seattle, flight options may depend on the combination of airports available.

• Airports in Cardiff: Only Cardiff is currently in operation.
• Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Plan your perfect flight from Cardiff to Seattle

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers like Delta, United, American, and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.