Distance From Ampara Airport to Seattle–Tacoma International Airport, ADP - SEA Distance

The distance from Ampara Airport (ADP) to Seattle–Tacoma International Airport (SEA) is 8379 miles or 13484 kilometers or 7276 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 Ampara ( Sri Lanka ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Ampara and Seattle takes around 19 hours 15 minutes.

Estimated flight time from Ampara Airport, Ampara, Sri Lanka to Seattle–Tacoma International Airport, Seattle, United States is 19 hours 15 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 • ADP - SEA

Kilometers		13484 km
Statute Miles		8379 miles
Nautical Miles		7276 nm
Avg. Time of Flight		19 hours 15 minutes

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

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

Click to see flight route on Google Map between Ampara, Sri Lanka and Seattle, United States. .

Nonstop flight route between Ampara, Sri Lanka and Seattle, United States.

Time Difference Between the Airports • ADP - SEA

Time difference between Ampara (Sri Lanka) and Seattle (United States) is 11 Hours 30 Minutes.
Seattle time is 11 Hours 30 Minutes behind Ampara.

Location	Local Time
Ampara (Sri Lanka)	2026-05-01, 11:44:53 +0530
Seattle (United States)	2026-05-01, 00:14:53 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

Ampara Airport (ADP / VCCG) Ampara, Sri Lanka

Destination

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