Seattle to Cardiff Flight Time, Distance, Route Map

Flight time from Seattle, United States to Cardiff, United Kingdom is 9 hours 24 minutes under avarage conditions. Our flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Actual flight times may vary depending on aircraft type, cruise speed, routing, weather conditions, passenger load, and other factors.

What is the Flight Distance Between Seattle and Cardiff?

The flight distance from Seattle (United States) to Cardiff (United Kingdom) is 4704 miles. This is equivalent to 7570 kilometers or 4085 nautical miles. The calculated distance (air line) is the straight line distance or direct flight distance between cities. The nearest airport to Seattle, is Boeing Field International Airport (BFI) and the nearest airport to Cardiff, is Cardiff-Wales Airport (CWL).

Seattle - Cardiff Timezones & Time Difference

Current local time in Seattle is 2026-03-03, 07:34:00 MST
Current local time in Cardiff is 2026-03-03, 14:34:00 GMT.
Time difference between Seattle (United States) and Cardiff (United Kingdom) is 7 Hours.
Cardiff time is 7 Hours ahead of Seattle.

Seattle to Cardiff Flight Route Map

Flight map from Seattle, United States to Cardiff, United Kingdom is given below.
Click the map to view Seattle to Cardiff nonstop flight path and travel direction.

The distance between cities calculated based on their latitudes and longitudes. This is also called distance as the crow flies. Bird flight distance is calculated by drawing a straight line between two point coordinates. The length of this drawn line will give the shortest distance value. This distance may be very much different from the actual travel distance.


Seattle GPS Coordinates: Latitude: N 47° 36' 22.4'' Longitude: W 122° 19' 55.5''
Cardiff GPS Coordinates: Latitude: N 51° 28' 53.7'' Longitude: W 3° 10' 44.7''

Seattle Map, Where is Seattle located?

Cardiff Map, Where is Cardiff located?