Cheap Flights from Seattle to Kansai International (Osaka)

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Flight deals from Seattle to Kansai International (Osaka)

Looking for a cheap last-minute deal or the best return flight from Seattle to Kansai International (Osaka)? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Kansai International (Osaka)

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Kansai International (Osaka) flights are currently cheapest in April.

Seattle to Kansai International (Osaka): Alternative routes

Compare routes from Seattle to Osaka below. You may find an airport to fly into that's cheaper, faster, or easier than Kansai International (Osaka).

Seattle to Osaka: Flight information

The things to know before you go.
Cheapest flight foundRs118,913
Cheapest month to flyApril

Finding cheap flights from Seattle to Kansai International (Osaka): Frequently asked questions

The best price we found for a return flight from Seattle to Kansai International (Osaka) is Rs200,064. 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 Kansai International (Osaka). But we found flights with one stop from Rs200,064.
As of April 2025, there are no flights flying from Seattle to Kansai International (Osaka).
The cheapest month to fly from Seattle to Kansai International (Osaka) is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Kansai International (Osaka) Airport on Monday, 21 April 2025.
No airlines currently offer direct flights between Seattle and Kansai International (Osaka) Airport. 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 Kansai International (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.
The cheapest airline that flies to Kansai International (Osaka) is Asiana Airlines .

Flying from Seattle to Kansai International Airport (KIX): what you need to know

  • There are two main airports you can take off from in Seattle. Check out your options leaving from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base (LKE) when planning your flight from Seattle to Kansai International Airport (KIX).

  • Kansai International Airport is located in Osaka. The city operates in the UTC+9 timezone and is 16 hours ahead of Seattle.

  • To ensure you get on your flight from Seattle to KIX, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • If you're flying during a popular month like July, head to the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. You can expect lines to be longer during holiday periods like summer and spring break.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Stopovers are the ideal opportunity to break up your journey — and perhaps even explore a different city. When browsing flights from Seattle to KIX leaving from Seattle-Tacoma International Airport (SEA), uncheck the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

    • Narita International Airport (NRT)

    • Haneda Airport (HND)

    • San Francisco International Airport (SFO)

  • The distance from central Seattle to SEA is roughly 23 kilometres. Check out Google Maps for the quickest route, whether you prefer to drive or use public transport.

  • Looking for a convenient hotel near Seattle-Tacoma International Airport? If you're boarding an early flight from Seattle to Kansai International Airport, these stays will have you sleeping moments from your departure lounge:

Lake Union Sea Plane Base (LKE)

  • Get the most out of your holiday with a stopover on your flight from Seattle to Kansai International Airport. Visit family or friends or tick a new city off your list. Whatever you want to do, check out these options between Lake Union Sea Plane Base and KIX:

    • Haneda Airport (HND)

    • Vancouver International Airport (YVR)

    • Narita International Airport (NRT)

  • On public transport, you can travel from central Seattle to LKE in about 23 minutes. The airport is roughly 3 kilometres away, and making the journey by car takes approximately 11 minutes.

  • It's your holiday, so why not enjoy another night away? Consider checking in to one of these accommodation options near Lake Union Sea Plane Base the day before your flight from Seattle to KIX:

About Kansai International Airport (KIX)

Getting from Kansai International Airport (KIX) to central Osaka

  • From Kansai International Airport, Osaka is approximately 48 kilometres away. It takes around 44 minutes to get to the centre driving.

How to find the cheapest flights from Seattle to Kansai International Airport (KIX)

  • For a one-way ticket from Seattle to Kansai International Airport, Rs118,913 is the cheapest price. You can also book a return flight starting from Rs200,064. These are currently the lowest fares but could change based on availability.

  • To pick up cheap tickets from Seattle to KIX, book ahead. Airlines typically offer lower fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest tickets from Seattle to Kansai International Airport across the month. It's a great way to find a bargain if your dates are flexible.

  • Set up a Price Alert for flight tickets from Seattle to KIX. You don't need to check every day to see if fares have dropped. We'll tell you the moment the price changes.

  • Play around with the filters to find your ideal trip. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Seattle to Kansai International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

The best time to fly from Seattle to Kansai International Airport (KIX)

  • It's time to work out your travel dates for your flight from Seattle to Kansai International Airport. June is the busiest month to visit Osaka. If you prefer a quieter vibe, go in April.

  • The warmest month in Osaka is August, with the temperature ranging between 21ºC and 34ºC. Book your flights from Seattle to KIX in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 0ºC and 10ºC. Search for cheap flights from Seattle to Kansai International Airport sometime then if you like travelling in cooler conditions.

More about Osaka

  • Start your Osaka trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Seattle to Kansai International Airport, explore our range of accommodation options including:

  • Osaka Castle and Dotonbori are just the start of the top-rated attractions to add to your Osaka itinerary. Keep the adventure rolling by checking out Universal Studios Japan.

Complete your Osaka trip with a car rental

  • Exit all those tabs and let us do the hard work for you. We've also got awesome deals on car rentals in Osaka once you've booked your hotel and cheap flight from Seattle to Kansai International Airport. Instantly compare prices in one place and drive off with a bargain that fits your budget.

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