Direct (nonstop) flights from Seattle to Tokyo

3 airlines fly nonstop from Seattle Tacoma International (SEA) to Narita International Airport (NRT). It's 4,768 miles (7,674 km), about 10h 15m in the air. Operated by Alaska Airlines, Hawaiian Airlines, JAL.

SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
NRT
Narita International Airport
🇯🇵 Tokyo, Japan
Flight Time
10h 15m
Distance
4,768 mi
7,674 km
CO₂/pax
729 kg
−34 kg vs. layover
Airlines
3
Alaska Airlines +2
Time Diff
+16h
Operated by Alaska Airlines Alaska Airlines Hawaiian Airlines Hawaiian Airlines JAL JAL

Route data last updated: May 30, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
SEA → NRT
Flight Time
10h 15m
Distance
4,768 mi
Hawaiian Airlines HA Hawaiian Airlines
Route
SEA → NRT
Flight Time
10h 15m
Distance
4,768 mi
JAL JL JAL
Route
SEA → NRT
Flight Time
10h 15m
Distance
4,768 mi

Alternative Routes

Other ways to fly from Seattle to Tokyo with one stop · direct emits 729 kg CO₂ per passenger

SEA YVR (Vancouver) NRT
Leg 1: 1h 5m (127 mi) Leg 2: 10h (4,673 mi) Total: ~11h 5m 🍃 763 kg CO₂ (+5% vs. direct)
Leg 1
SEA → YVR
1h 5m · 127 mi
View SEA to YVR flights →
Leg 2
YVR → NRT
10h · 4,673 mi
View YVR to NRT flights →
SEA YYC (Calgary) NRT
Leg 1: 1h 40m (452 mi) Leg 2: 10h 35m (4,949 mi) Total: ~12h 15m 🍃 866 kg CO₂ (+19% vs. direct)
Leg 1
SEA → YYC
1h 40m · 452 mi
View SEA to YYC flights →
Leg 2
YYC → NRT
10h 35m · 4,949 mi
View YYC to NRT flights →
SEA SJC (San Jose) NRT
Leg 1: 2h 17m (695 mi) Leg 2: 11h 10m (5,154 mi) Total: ~13h 27m 🍃 942 kg CO₂ (+29% vs. direct)
Leg 1
SEA → SJC
2h 17m · 695 mi
View SEA to SJC flights →
Leg 2
SJC → NRT
11h 10m · 5,154 mi
View SJC to NRT flights →
SEA SFO (San Francisco) NRT
Leg 1: 2h 18m (678 mi) Leg 2: 11h 15m (5,123 mi) Total: ~13h 33m 🍃 933 kg CO₂ (+28% vs. direct)
Leg 1
SEA → SFO
2h 18m · 678 mi
View SEA to SFO flights →
Leg 2
SFO → NRT
11h 15m · 5,123 mi
View SFO to NRT flights →
SEA ICN (Seoul) NRT
Leg 1: 11h 55m (5,217 mi) Leg 2: 2h 30m (783 mi) Total: ~14h 25m 🍃 968 kg CO₂ (+33% vs. direct)
Leg 1
SEA → ICN
11h 55m · 5,217 mi
View SEA to ICN flights →
Leg 2
ICN → NRT
2h 30m · 783 mi
View ICN to NRT flights →

Looking for the return flight?

NRT → SEA: Flights from Tokyo to Seattle

Frequently Asked Questions

How long is the direct flight from Seattle to Tokyo?

A nonstop flight from Seattle (SEA) to Tokyo (NRT) takes approximately 10 hours and 15 minutes. The distance is 4,768 miles (7,674 km).

Which airlines fly nonstop from Seattle to Tokyo?

3 airlines: Alaska Airlines, Hawaiian Airlines, JAL.

Is there a nonstop flight from Seattle to Tokyo?

Yes. 3 airlines: Alaska Airlines, Hawaiian Airlines, JAL.

How far is Seattle from Tokyo?

The flight distance from Seattle to Tokyo is 4,768 miles (7,674 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Rome.

What is the time difference between Seattle and Tokyo?

Tokyo is 16 hours ahead of Seattle. (America/Los_Angeles vs Asia/Tokyo.)

Will I experience jet lag flying from Seattle to Tokyo?

Probably — 16-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.

What type of aircraft flies from Seattle to Tokyo?

At 10h 15m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from USA to Japan?

Depends on your passport. Check with the Japan embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Seattle to Tokyo?

Roughly 729 kg CO2 per passenger one-way. That's about the same as driving 3,645 km.

Is the return flight from Tokyo to Seattle also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Seattle to Tokyo?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Seattle Tacoma International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.