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Cheap flights from Seattle to Osaka

SEA — OSA
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Seattle to Osaka

Popular in

December

Cheapest in

January

Average price

C$ 1,343
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 79 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Best time to book a flight from Seattle to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Osaka

How far ahead should I book a flight from Seattle to Osaka?

The best time to book flights from Seattle to Osaka is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Osaka?

Currently, January is the cheapest month in which you can book a flight from Seattle to Osaka (average of C$ 947). Flying from Seattle to Osaka in December is currently the most expensive (average of C$ 1,743). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • What airport do you fly from for flights from Seattle to Osaka?

    For a flight from Seattle to Osaka, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Osaka per day. 0 airlines have flights to Osaka from Seattle/Tacoma Intl on a regular basis.

  • Can I find deals for flights from Seattle to Osaka that include hotel bookings?

    Yes. In addition to deals on Seattle to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Osaka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Osaka.

  • Can I find deals for business class flights from Seattle to Osaka?

    Yes. Cheapflights offers flight deals from Seattle to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Osaka?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Osaka (average of C$ 947). Flying from Seattle to Osaka in December is currently the most expensive (average of C$ 1,743). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
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900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Osaka from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Osaka?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Osaka.

Can Cheapflights find flights from Seattle to Osaka with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Osaka, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Osaka become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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