$485 Find Cheap Flights from Osaka Kansai Intl to Seattle - Compare and Save

In the last 5 days, the lowest price for a flight from Osaka Kansai Intl Airport to Seattle was $485 for a one-way ticket and $938 for a round-trip.

Yes, you’ll need a passport to travel to Seattle from Osaka Kansai Intl.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Osaka Kansai Intl and Seattle.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Osaka Kansai Intl to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Osaka Kansai Intl is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Osaka Kansai Intl with another airline. Booking your flights between Osaka Kansai Intl and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Osaka Kansai Intl up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.