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Direct flights from Seattle to Osaka

Did you mean Flights from Osaka to Seattle?

Flightmap/Flights from SEA/SEA to KIX

Seattle

United States

SEA

Seattle Tacoma International Airport

Osaka

Japan

KIX

Kansai International Airport

Route
Nonstop service available
Distance
5,028 miles
Marketing airlines
1 airline
Aircraft
1 aircraft type
Dates
May 14 – Oct 27, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-11-12 – 2026-12-11.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from SEA
  • Flights to KIX

Seattle to Osaka route overview

Seattle Tacoma International Airport (SEA) serves Seattle; Kansai International Airport (KIX) serves Osaka.

The airports are 5,028 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from SEA to KIX.

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span May 14 – Oct 27, 2027.

Marketing airlines on the Seattle to Osaka route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Oneworld

Aircraft flying from SEA to KIX

Frequently asked questions

Which airports serve the Seattle to Osaka route?

Seattle Tacoma International Airport (SEA) is the origin airport and Kansai International Airport (KIX) is the destination airport.

How far is Osaka from Seattle?

SEA and KIX are approximately 5,028 miles apart by great-circle distance.

Are there direct flights from SEA to KIX?

Yes. Roame's current schedule feed shows nonstop service from SEA to KIX.

Which airlines market flights from SEA to KIX?

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from SEA to KIX?

Aircraft listed in the current schedule include Airbus A330-200 (332).

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