✈ HND → SEA

9H 56M FROM TOKYO TO SEATTLE. JET LAG IS NOW YOUR PERSONALITY.

Flight time
9h 56m
Distance
4,792 mi
Or
7,712 km
Jet lag
16h

Flight from Tokyo to Seattle

From Haneda (HND), Japan Asia  →  Sea-Tac (SEA), USA North America

↔ Flying the other way? Seattle → Tokyo

How long is the flight from Tokyo to Seattle?

A nonstop flight from Tokyo (HND) to Seattle (SEA) takes about 9 hours 56 minutes, covering a great-circle distance of 4,792 miles (7,712 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

9h 56m

Nonstop, scheduled

Distance

4,792 mi

7,712 km · great-circle

Avg speed

777 km/h

Door-to-door including taxi

Time zones & jet lag

Tokyo timezone

UTC+9

Asia/Tokyo

Seattle timezone

UTC-7

America/Los_Angeles

Time difference

-16h

16 hours behind

Jet lag (rough)

~11.2d

Westward — easier

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 1141 kg CO₂
🚗 Car (alone) 1319 kg CO₂
🚆 Train 316 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.