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Cheap Flights from Seattle to Osaka

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.R 5,632 per passenger.Departing Sun, 25 Jan.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 25 Jan, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,632, select.
Osaka.R 5,633 per passenger.Departing Thu, 24 Sep.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,633, select.
Osaka.R 5,645 per passenger.Departing Sun, 22 Feb.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 22 Feb, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,645, select.
Osaka.R 5,645 per passenger.Departing Wed, 11 Mar.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Wed, 11 Mar, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,645, select.
Osaka.R 5,646 per passenger.Departing Sun, 4 Oct.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 4 Oct, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,646, select.
Osaka.R 5,646 per passenger.Departing Thu, 20 Aug.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Thu, 20 Aug, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,646, select.
Osaka.R 5,647 per passenger.Departing Tue, 21 Apr.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Tue, 21 Apr, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,647, select.
Osaka.R 5,661 per passenger.Departing Sun, 10 May.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 10 May, arriving in Kansai International (Osaka).Price includes taxes and charges.From R 5,661, 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 January.
Dec
from R 6,715
Jan
from R 5,632
Feb
from R 5,645
Mar
from R 5,645
Apr
from R 5,647
May
from R 5,661
Jun
from R 9,956
Jul
from R 6,444
Aug
from R 5,646
Sep
from R 5,633
Oct
from R 5,646
Nov
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 foundR 5,632
Cheapest month to flyJanuary

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 R 10,680. 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 R 10,680.
As of December 2025, there are no flights flying from Seattle to Osaka.
The cheapest month to fly from Seattle to Osaka is usually February.
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 R 10,680.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Osaka on Saturday, 28 February 2026.
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 December, the average temperature is usually around 6°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 Air Canada .

Flying from Seattle to Osaka: what you need to know

  • There are a couple of main airports you can take off from in Seattle. Explore your options departing from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base Airport (LKE) when organising your flight from Seattle to Osaka.

  • When it comes to landing in Osaka, Kansai International Airport (KIX) and Kobe Airport (UKB) are the chief entry points.

  • Osaka's timezone is UTC+9, making Osaka 16 hours ahead of Seattle.

  • Allow plenty of time to make your Seattle to Osaka flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's best to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during peak periods in general.

How to find the cheapest flights from Seattle to Osaka

  • Booking in advance is often the key to locking in a cheap Seattle to Osaka flight. Fares tend to rise as demand increases, so the nearer you get to departure, the more you'll likely spend on your ticket.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll give you the lowest price in every month when looking for your plane ticket from Seattle to Osaka.

  • Finding a cheap flight from Seattle to Osaka is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Tailor your travel plans using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Seattle to Osaka flights.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

  • A stopover is the ideal opportunity to take a break from travelling — and maybe even explore another city. When searching for Seattle to Osaka flights departing from Seattle-Tacoma International Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Haneda Airport (HND)

    • San Francisco International Airport (SFO)

    • Narita International Airport (NRT)

  • SEA is about 18 kilometres from central Seattle. If you're ride-sharing, driving or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 55 minutes.

  • In search of a handy hotel near Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to Osaka, these stays will put you moments from check-in:

  • 81.27% of flights leaving Seattle-Tacoma International Airport arrive at their destination as planned. With its impressive on-time stats, you're unlikely to be delayed when flying out of SEA.

Arriving in Osaka

Kansai International Airport (KIX)

  • Kansai International Airport (KIX) is approximately 40 kilometres from the centre of Osaka. If you're catching a cab or a ride-share, the drive takes roughly 45 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Seattle to Osaka. Reserve one of these accommodation options near KIX instead:

  • Follow your own route with a Kansai International Airport rental car. Pick up a set of wheels from BEST KANSAI CAR RENTAL, BE KOBE or TravelCar and discover more of Osaka and beyond.

  • Increase the odds of getting the best deal by booking as early as possible. Reserving your ride from Kansai International Airport at least a few weeks ahead is a smart move.

  • KIX is located at 1 Senshukukokita, Izumisano.

Itami Airport (ITM)

  • Itami Airport (ITM) is about 13 kilometres from the centre of Osaka. After your flight from Seattle to Osaka, it takes approximately 20 minutes to get to the heart of the city in a cab or ride-share.

  • You'll find some great places to lay your head close to UKB. Kick back after your Seattle to Osaka flight at any of these well-located options:

  • No need to worry about public transport schedules or slow-moving cab lines. Pick up an Itami Airport rental car and let the journey unfold your way. Compare offers from Europcar, Times and Rakuten.

  • Generally, the earlier you book, the better the prices and selection of vehicles. Reserve your ride from ITM as soon as your plans are confirmed.

  • The address for Itami Airport is 3丁目555 Nishimachi, Hotarugaike, Toyonaka.

Kobe Airport (UKB)

  • Kobe Airport (UKB) is around 26 kilometres from the centre of Osaka. It'll take you about 45 minutes to reach the city centre in a car once you've stepped off your flight from Seattle to Osaka.

  • Start your trip without stressing over how to get to your destination with a Kobe Airport rental car. You can book your wheels with trusted companies here like Europcar, Times and Rakuten.

  • Rental agencies sometimes offer deals for early bookings, so secure your ride from UKB ahead of your flight from Seattle to Osaka. A bit of planning goes a long way for your wallet.

  • Kobe Airport can be found at 1 Kobekuko, Chuo Ward.

Best time to go to Osaka

  • April is the quietest month for flights from Seattle to Osaka, while June is the busiest. Choose the ideal time to visit Osaka based on whether you like a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Osaka is August, with temperatures ranging between 21ºC (70ºF) and 34ºC (93ºF). Lock in your Seattle to Osaka ticket then if that's your idea of comfortable weather.

  • January sees average temperatures of between 0ºC (32ºF) and 10ºC (50ºF). Search for cheap flights from Seattle to Osaka around that time if you want to travel in cooler conditions.

More about Osaka

Explore more of Japan

  • Yokohama is just one of the many places in Japan waiting to be discovered after you've experienced Osaka. Around 386 kilometres to the east, its top attractions include Teishoin, Seya Christian Church and Banfukuji.

  • Nagoya is another essential stop in Japan and is around 137 kilometres north-east of Osaka. No trip is complete without seeing Nagoya Castle, Atsuta Shrine and Osu Kannon Temple.

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.