Distance From Hambantota Seaplane Base to Seattle–Tacoma International Airport, HBT - SEA Distance

The distance from Hambantota Seaplane Base (HBT) to Seattle–Tacoma International Airport (SEA) is 8469 miles or 13630 kilometers or 7355 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.

---

How long does it take to travel from Hambantota ( Sri Lanka ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Hambantota and Seattle takes around 19 hours 28 minutes.

Estimated flight time from Hambantota Seaplane Base, Hambantota, Sri Lanka to Seattle–Tacoma International Airport, Seattle, United States is 19 hours 28 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 • HBT - SEA

Kilometers		13630 km
Statute Miles		8469 miles
Nautical Miles		7355 nm
Avg. Time of Flight		19 hours 28 minutes

Hambantota Seaplane Base to Seattle–Tacoma International Airport Flight Route Map - HBT to SEA Flight Path

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

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

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

Time Difference Between the Airports • HBT - SEA

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

Location	Local Time
Hambantota (Sri Lanka)	2026-03-19, 05:25:30 +0530
Seattle (United States)	2026-03-18, 17:55:30 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

Hambantota Seaplane Base (HBT / ) Hambantota, Sri Lanka

Destination

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