Flight tickets from Seattle / Tacoma International to Osaka

Compare Seattle / Tacoma International to Osaka flight deals

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

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Flight deals from Seattle / Tacoma International to Osaka

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Osaka? If you want to travel next month, return fares start from ₹ 96,551. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Osaka

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

Alternative Seattle / Tacoma International to Osaka routes

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

Seattle to Osaka: Flight information

The things to know before you go.
Cheapest flight found₹ 37,184
Cheapest month to flyJuly

Finding cheap flights from Seattle / Tacoma International 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 / Tacoma International to Osaka is ₹ 75,167. 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 / Tacoma International to Osaka. But we found flights with one or more stops from ₹ 75,167.
As of May 2026, there are no flights flying from Seattle / Tacoma International to Osaka.
The cheapest month to fly from Seattle / Tacoma International to Osaka is usually September.
If you're flying from Seattle / Tacoma International Airport, 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 ₹ 75,167.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Osaka on Wednesday, 30 September 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport 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 May, the average temperature is usually around 17°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.
Currently, Asiana Airlines offers the cheapest flight tickets to Osaka.

Travelling from Seattle-Tacoma International Airport (SEA) to Osaka: what you need to know

  • The timezone in Osaka is UTC+9. The city is 17 hours ahead of Seattle, where Seattle-Tacoma International Airport is located.

  • To avoid missing your SEA to Osaka flight, leave enough time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Flying over a peak time like July? Major public holidays and other popular seasons can lead to longer lines and delays at check-in and security. Be extra cautious and get there up to four hours before an international flight and two hours before domestic departures.

  • A stopover is the perfect opportunity to take a break from travelling and perhaps even explore another city. When browsing for plane tickets from SEA to Osaka, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:

    • Tokyo Haneda International Airport (HND)

    • San Francisco International Airport (SFO)

    • Tokyo Narita International Airport (NRT)

  • Located around 18 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car, depending on traffic. Travelling on public transport takes roughly 35 minutes.

  • Searching for a hotel near SEA? If you're boarding an early flight from Seattle-Tacoma International Airport to Osaka, these stays will put you moments from your departure lounge:

  • Seattle-Tacoma International Airport has a strong on-time performance, so you're unlikely to face delays. Departures from SEA land at their destination as scheduled 80% of the time.

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Osaka

  • ₹ 37,184 is currently the lowest price for a one-way Seattle-Tacoma International Airport to Osaka flight. A return plane ticket starts from ₹ 75,167. These fares can change depending on demand.

  • To pick up cheap flights from SEA to Osaka, book early. Airlines tend to offer their most competitively priced fares when tickets are first released.

  • Finding cheap tickets from Seattle-Tacoma International Airport to Osaka is easier if you can be flexible with your dates. Use the 'Whole month' function to get the lowest fares across the month and pick up an awesome deal.

  • Snapping up a cheap flight from SEA to Osaka is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know when a lower fare pops up.

  • Tailor your trip with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Seattle-Tacoma International Airport to Osaka.

Airports in Osaka

Kansai International Airport (KIX)

  • The distance from Kansai International Airport (KIX) to central Osaka is roughly 48 kilometres. It takes about 50 minutes to reach the centre driving.

  • Travelling by public transport will take you around 45 minutes.

  • If you're coming in on a late flight from Seattle-Tacoma International Airport to Osaka, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and relaxing soon after at one of these accommodation options near KIX:

  • Give yourself a better shot at scoring the best deal by booking early. Reserving your vehicle from Kansai International Airport at least a few weeks before your flight from SEA to Osaka is a good move.

  • The address for KIX is 1 Senshukukokita, Izumisano.

Osaka Itami International Airport (ITM)

  • Once your flight from Seattle-Tacoma International Airport to Osaka has landed, you can make your way to the city centre in around 30 minutes by car. Central Osaka is roughly 18 kilometres from Osaka Itami International Airport (ITM).

  • The journey will take roughly 35 minutes on public transport.

  • You'll find some great places to rest your head close to ITM. Unwind and get cosy after your SEA to Osaka flight at one of these perfectly located options:

  • In general, the earlier you book, the bigger the savings and variety of vehicles. Lock in your ride from ITM as soon as your plans are confirmed.

  • Osaka Itami International Airport can be found at 3丁目555 Nishimachi, Hotarugaike, Toyonaka.

Kobe Airport (UKB)

  • Set your sights on the city centre after your flight from Seattle-Tacoma International Airport to Osaka has arrived. Central Osaka is around 32 kilometres from Kobe Airport (UKB) and takes roughly 40 minutes to reach by car.

  • Public transport will take you there in roughly 50 minutes.

  • If you don't want to make the trip into the centre, head for a hotel near UKB. Settle in at one of these stays after your SEA to Osaka flight:

  • Rental providers sometimes offer discounts on early bookings, so book your ride from UKB a few weeks ahead of your flight from Seattle-Tacoma International Airport to Osaka. A bit of planning goes a long way for your wallet.

  • Kobe Airport is located at 1 Kobekuko, Chuo Ward.

Best time to go to Osaka

  • It's time to figure out your trip dates for your flight from Seattle-Tacoma International Airport to Osaka. April is the most popular month to visit Osaka. If you prefer a quieter atmosphere, go in December.

  • The warmest month in Osaka is August, with temperatures ranging between 21ºC and 34ºC. Book your Seattle-Tacoma International Airport to Osaka plane ticket then if this is the type of weather you enjoy.

  • If you like cooler conditions, search for a cheap ticket from SEA to Osaka in January when temperatures average between 0ºC and 10ºC.

More about Osaka

Explore more of Japan

  • You've visited Osaka, now it's time to discover more of Japan. Travel about 402 kilometres east to Tokyo to tick off its top attractions. From Tokyo Skytree to Sensho-ji and Ginza Central Street, you'll have a packed itinerary ahead.

  • Nagoya is another favourite destination in Japan and is around 137 kilometres northeast of Osaka. No journey is complete without seeing Nagoya Castle, Ninomaru Garden and Sky Promenade.

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