Distance From Richardson Airport to Seattle–Tacoma International Airport

The distance from Richardson Airport () to Seattle–Tacoma International Airport (SEA) is 1695 miles or 2728 kilometers or 1472 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 New Berlin ( United States ) to Seattle ( United States )?

A one-way nonstop (direct) flight between New Berlin and Seattle takes around 3 hours 53 minutes.

Estimated flight time from Richardson Airport, New Berlin, United States to Seattle–Tacoma International Airport, Seattle, United States is 3 hours 53 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		2728 km
Statute Miles		1695 miles
Nautical Miles		1472 nm
Avg. Time of Flight		3 hours 53 minutes

Richardson Airport to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Richardson Airport & Seattle–Tacoma International Airport is given below.
Click the map to view New Berlin to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between New Berlin, United States and Seattle, United States. .

Nonstop flight route between New Berlin, United States and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between New Berlin (United States) and Seattle (United States) is 2 Hours.
Seattle time is 2 Hours behind New Berlin.

Location	Local Time
New Berlin (United States)	2026-06-20, 02:15:48 EDT
Seattle (United States)	2026-06-20, 00:15:48 MDT

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

Richardson Airport ( / IL24) New Berlin, United States

Destination

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