Distance From Lancaster County-Mc Whirter Field to Seattle–Tacoma International Airport

The distance from Lancaster County-Mc Whirter Field () to Seattle–Tacoma International Airport (SEA) is 2299 miles or 3699 kilometers or 1996 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 Lancaster ( United States ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Lancaster and Seattle takes around 5 hours 17 minutes.

Estimated flight time from Lancaster County-Mc Whirter Field, Lancaster, United States to Seattle–Tacoma International Airport, Seattle, United States is 5 hours 17 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		3699 km
Statute Miles		2299 miles
Nautical Miles		1996 nm
Avg. Time of Flight		5 hours 17 minutes

Lancaster County-Mc Whirter Field to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Lancaster County-Mc Whirter Field & Seattle–Tacoma International Airport is given below.
Click the map to view Lancaster to Seattle nonstop flight path and travel direction.

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

Nonstop flight route between Lancaster, United States and Seattle, United States.

Time Difference Between the Airports • - SEA

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

Location	Local Time
Lancaster (United States)	2026-03-20, 13:58:48 EDT
Seattle (United States)	2026-03-20, 11:58:48 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

Lancaster County-Mc Whirter Field ( / KLKR) Lancaster, United States

Destination

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