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Cheap Flights from Seattle to Osaka

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Compare Seattle to Osaka flight deals

Find the cheapest month or even day of the year to fly to Osaka

Book the best Osaka fare with no extra fees

Flight deals from Seattle to Osaka

Looking for a cheap last-minute deal or the best return flight from Seattle to Osaka? Find the lowest prices on one-way and return tickets right here.
Osaka.SAR 1,606 per passenger.Departing Mon, 1 Sep.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Mon, 1 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From SAR 1,606, select.
Osaka.SAR 1,636 per passenger.Departing Mon, 21 Jul.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Mon, 21 Jul, arriving in Itami Domestic (Osaka).Price includes taxes and charges.From SAR 1,636, select.
Osaka.SAR 1,636 per passenger.Departing Tue, 5 Aug.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Tue, 5 Aug, arriving in Kansai International (Osaka).Price includes taxes and charges.From SAR 1,636, select.
Osaka.SAR 1,637 per passenger.Departing Tue, 1 Apr.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Tue, 1 Apr, arriving in Itami Domestic (Osaka).Price includes taxes and charges.From SAR 1,637, select.
Osaka.SAR 1,641 per passenger.Departing Sun, 2 Mar.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Sun, 2 Mar, arriving in Itami Domestic (Osaka).Price includes taxes and charges.From SAR 1,641, select.
Osaka.SAR 1,670 per passenger.Departing Thu, 27 Feb.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Thu, 27 Feb, arriving in Kansai International (Osaka).Price includes taxes and charges.From SAR 1,670, select.
Osaka.SAR 1,707 per passenger.Departing Tue, 2 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 2 Dec, arriving in Kansai International (Osaka).Price includes taxes and charges.From SAR 1,707, select.
Osaka.SAR 1,756 per passenger.Departing Tue, 11 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 11 Nov, arriving in Kansai International (Osaka).Price includes taxes and charges.From SAR 1,756, select.

Find the cheapest month to fly from Seattle to Osaka

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Osaka flights are currently cheapest in September.
Feb
from SAR 1,670
Mar
from SAR 1,641
Apr
from SAR 1,637
May
from SAR 2,042
Jun
from SAR 2,524
Jul
from SAR 1,636
Aug
from SAR 1,636
Sep
from SAR 1,606
Oct
from SAR 1,761
Nov
from SAR 1,756
Dec
from SAR 1,707
Jan
Find prices

Alternative Seattle to Osaka routes

Looking for the cheapest, fastest or easiest route from Seattle to Osaka? You could fly into the following airports instead.

Seattle to Osaka: Flight information

The things to know before you go.
Cheapest flight foundSAR 1,606
Cheapest month to flySeptember

Finding cheap flights from Seattle to Osaka: Frequently asked questions

There are 3 airports in Osaka: Itami Domestic (Osaka), Kobe and Kansai International (Osaka).
The best price we found for a return flight from Seattle to Osaka is SAR 2,708. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Osaka. But we found flights with one or more stops from SAR 2,708.
As of February 2025, there are no flights flying from Seattle to Osaka.
The cheapest month to fly from Seattle to Osaka is usually February 2025.
If you're flying from Seattle, the cheapest airport near Osaka is Kansai International (Osaka) – which is 38.0 km away from the centre of Osaka. We've found flights into this airport from SAR 2,708.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Osaka on Wednesday, 17 September 2025.
No airlines currently offer direct flights between Seattle and Osaka. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Osaka but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Osaka is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 4°C. August is typically the warmest month in Osaka, when it usually averages around 30°C. You can expect the least rain in December. The coldest month is January, with temperatures averaging 0°C. The rainiest month is June.
The cheapest airline that flies to Osaka is Alaska Airlines .

How to find cheap flights to Osaka

Looking for cheap flights to Osaka? Here are a few tips on how to secure the best price and make your flight journey as smooth as possible.

  • Simply hit 'search'. We've compared hundreds of online travel agents along with all major airlines flying to Osaka to find the cheapest plane tickets. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Osaka from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to score the best fares for your Osaka flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Osaka.
  • Set up a Price Alert. You can easily track the price of your cheap flights to Osaka by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible Osaka flight deal.
  • Fly without stops. Only interested in direct flights? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights to Osaka available, these will appear in the results.
  • Find the cheapest Business class flights to Osaka. We scour the internet for the best Business, Premium Economy and First Class flight fares to Osaka, too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
  • Include nearby airports in your search. Widen your search for Osaka flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Osaka with hotels and car hire

    Once you've secured your cheap ticket to Osaka, discover the best prices and exclusive rates for hotels in Osaka. You can also compare hundreds of car hire companies in one go so that you get the best car rental price for your trip.

    Compare Osaka flight tickets with other destinations using the everywhere search

    Not entirely set on flying to Osaka yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your departure point.


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Plan the rest of your trip from Seattle to Osaka

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.