Distance From Newmarket Heath Airfield to Seattle–Tacoma International Airport

The distance from Newmarket Heath Airfield () to Seattle–Tacoma International Airport (SEA) is 4766 miles or 7669 kilometers or 4139 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Newmarket ( United Kingdom ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Newmarket and Seattle takes around 10 hours 57 minutes.

Estimated flight time from Newmarket Heath Airfield, Newmarket, United Kingdom to Seattle–Tacoma International Airport, Seattle, United States is 10 hours 57 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - SEA

Kilometers		7669 km
Statute Miles		4766 miles
Nautical Miles		4139 nm
Avg. Time of Flight		10 hours 57 minutes

Newmarket Heath Airfield to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Newmarket Heath Airfield & Seattle–Tacoma International Airport is given below.
Click the map to view Newmarket to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Newmarket, United Kingdom and Seattle, United States. .

Nonstop flight route between Newmarket, United Kingdom and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between Newmarket (United Kingdom) and Seattle (United States) is 7 Hours.
Seattle time is 7 Hours behind Newmarket.

Location	Local Time
Newmarket (United Kingdom)	2025-12-14, 06:45:57 GMT
Seattle (United States)	2025-12-13, 23:45:57 MST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Newmarket Heath Airfield ( / EGSW) Newmarket, United Kingdom

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States