Cheap flights from Seattle to Osaka

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Flight deals from Seattle to Osaka

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Osaka? If you want to travel next month, round-trip fares start from $937. Find the lowest prices on one-way and round-trip tickets right here.

Osaka.$862 per passenger.Departing Sat, Nov 21, returning Mon, Nov 30.Round-trip flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departing from Seattle / Tacoma International on Sat, Nov 21, arriving in Kansai International (Osaka).Inbound indirect flight with Hainan Airlines, departing from Kansai International (Osaka) on Mon, Nov 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $862, select.

Osaka.$863 per passenger.Departing Sun, Nov 29, returning Wed, Dec 9.Round-trip flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departing from Seattle / Tacoma International on Sun, Nov 29, arriving in Kansai International (Osaka).Inbound indirect flight with Philippine Airlines, departing from Kansai International (Osaka) on Wed, Dec 9, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $863, select.

Osaka.$866 per passenger.Departing Sun, Sep 6, returning Wed, Sep 16.Round-trip flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departing from Seattle / Tacoma International on Sun, Sep 6, arriving in Kansai International (Osaka).Inbound indirect flight with Philippine Airlines, departing from Kansai International (Osaka) on Wed, Sep 16, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $866, select.

Osaka.$867 per passenger.Departing Thu, Feb 11, returning Mon, Feb 22.Round-trip flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departing from Seattle / Tacoma International on Thu, Feb 11, arriving in Kansai International (Osaka).Inbound indirect flight with Philippine Airlines, departing from Kansai International (Osaka) on Mon, Feb 22, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $867, select.

Osaka.$882 per passenger.Departing Fri, Aug 28, returning Wed, Sep 9.Round-trip flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departing from Seattle / Tacoma International on Fri, Aug 28, arriving in Kansai International (Osaka).Inbound indirect flight with Philippine Airlines, departing from Kansai International (Osaka) on Wed, Sep 9, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $882, select.

Osaka.$896 per passenger.Departing Mon, Jan 18, returning Mon, Jan 25.Round-trip flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departing from Seattle / Tacoma International on Mon, Jan 18, arriving in Kansai International (Osaka).Inbound indirect flight with Cathay Pacific, departing from Kansai International (Osaka) on Mon, Jan 25, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $896, select.

Osaka.$899 per passenger.Departing Tue, Jan 26, returning Thu, Feb 4.Round-trip flight with United.Outbound indirect flight with United, departing from Seattle / Tacoma International on Tue, Jan 26, arriving in Itami Domestic (Osaka).Inbound indirect flight with United, departing from Itami Domestic (Osaka) on Thu, Feb 4, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $899, select.

Osaka.$920 per passenger.Departing Fri, Feb 26, returning Mon, Mar 8.Round-trip flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departing from Seattle / Tacoma International on Fri, Feb 26, arriving in Kansai International (Osaka).Inbound indirect flight with Philippine Airlines, departing from Kansai International (Osaka) on Mon, Mar 8, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $920, select.

Osaka.$937 per passenger.Departing Sat, Aug 8, returning Fri, Aug 21.Round-trip flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departing from Seattle / Tacoma International on Sat, Aug 8, arriving in Kansai International (Osaka).Inbound indirect flight with Hainan Airlines, departing from Kansai International (Osaka) on Fri, Aug 21, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $937, select.

Osaka.$957 per passenger.Departing Sat, Jul 25, returning Fri, Aug 7.Round-trip flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departing from Seattle / Tacoma International on Sat, Jul 25, arriving in Kansai International (Osaka).Inbound indirect flight with Hainan Airlines, departing from Kansai International (Osaka) on Fri, Aug 7, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $957, select.

Osaka.$961 per passenger.Departing Wed, Aug 12, returning Mon, Mar 15.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Wed, Aug 12, arriving in Kansai International (Osaka).Inbound indirect flight with Air Canada, departing from Kansai International (Osaka) on Mon, Mar 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $961, select.

Osaka.$966 per passenger.Departing Tue, Sep 22, returning Tue, Oct 13.Round-trip flight with Philippine Airlines and Jetstar Japan.Outbound indirect flight with Philippine Airlines, departing from Seattle / Tacoma International on Tue, Sep 22, arriving in Kansai International (Osaka).Inbound indirect flight with Jetstar Japan, departing from Kansai International (Osaka) on Tue, Oct 13, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $966, select.

Osaka.$974 per passenger.Departing Sat, Aug 15, returning Thu, Oct 15.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Sat, Aug 15, arriving in Kansai International (Osaka).Inbound indirect flight with Air Canada, departing from Kansai International (Osaka) on Thu, Oct 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $974, select.

Osaka.$1,015 per passenger.Departing Wed, Jul 8, returning Wed, Jul 15.Round-trip flight with Alaska Airlines and Peach.Outbound indirect flight with Alaska Airlines, departing from Seattle / Tacoma International on Wed, Jul 8, arriving in Kansai International (Osaka).Inbound indirect flight with Peach, departing from Kansai International (Osaka) on Wed, Jul 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,015, select.

Osaka.$1,027 per passenger.Departing Wed, Oct 21, returning Fri, Nov 6.Round-trip flight with Frontier Airlines and Peach.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Oct 21, arriving in Kansai International (Osaka).Inbound indirect flight with Peach, departing from Kansai International (Osaka) on Fri, Nov 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,027, select.

Osaka.$1,031 per passenger.Departing Tue, Oct 13, returning Sat, Oct 24.Round-trip flight with Frontier Airlines and HK Express.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Tue, Oct 13, arriving in Kansai International (Osaka).Inbound indirect flight with HK Express, departing from Kansai International (Osaka) on Sat, Oct 24, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,031, 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 November.

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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 found	$862
Cheapest month to fly	November

Finding cheap flights from Seattle to Osaka: Frequently asked questions

How many airports are there in Osaka?

There are 3 airports in Osaka: Itami Domestic (Osaka), Kobe and Kansai International (Osaka).

How much are round-trip flights from Seattle to Osaka?

The best price we found for a round-trip flight from Seattle to Osaka is $862. 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.

Which airlines fly direct from Seattle to Osaka?

Currently, there are no airlines that fly direct from Seattle to Osaka. But we found flights with one or more stops from $862.

How many flights are there a week from Seattle to Osaka?

There are no flights flying from Seattle to Osaka, as of July 2026.

When is the cheapest time to fly from Seattle to Osaka?

The cheapest month to fly from Seattle to Osaka is usually November.

What's the cheapest airport to fly to in Osaka?

If you're flying from Seattle, the cheapest airport near Osaka is Kansai International (Osaka) – which is 38.0 km away from the center of Osaka. We've found flights to this airport from $862.

Which upcoming date is cheapest to fly from Seattle to Osaka on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Osaka on Saturday, November 21, 2026.

Can I get a direct flight from Seattle to Osaka?

No airlines currently offer direct flights between Seattle and Osaka. Most routes have one or more stops.

How can I get the best flight deal from Seattle to Osaka?

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.

When is the best time to book flights to Osaka?

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.

What’s the weather like in Osaka?

In July, the average temperature is usually around 25°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.

Which is the cheapest airline to fly with from Seattle to Osaka?

The cheapest airline that flies to Osaka is Hainan Airlines.

Traveling from Seattle to Osaka: what you need to know

Seattle is home to a couple of airports where you can start your adventure. Explore your options for reserving a flight from Seattle to Osaka departing from Seattle / Tacoma International Airport (SEA) or Seattle Lake Union SPB Airport (LKE).
When it comes to landing in Osaka, Kansai International (Osaka) Airport (KIX) and Kobe Airport (UKB) are the primary gateways.
Osaka's timezone is UTC+9, making Osaka 17 hours ahead of Seattle.
Leave enough time to make your Seattle to Osaka flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
Traveling during a peak month such as July? Public holidays and other popular periods can lead to longer lines at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.

How to find the cheapest flights from Seattle to Osaka

Booking early is often the key to finding a cheap Seattle to Osaka flight. Fares tend to rise as seats fill up, so the nearer your departure date, the more it could cost you.
Finding cheap plane tickets from Seattle to Osaka is easy if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest prices across every month and pick up a sweet deal.
You don't need to check back in every day to see if prices have dropped when you set up a Price Alert. We'll notify you when a better deal is available on cheap flights from Seattle to Osaka.
Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your Seattle to Osaka flight results by 'Best,' 'Cheapest' or 'Fastest.'

Flying from Seattle

Seattle / Tacoma International Airport (SEA)

A stopover is the ideal opportunity to take a break from traveling — and maybe even explore a different 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. Top options include:
- Tokyo Haneda Airport (HND)
- San Francisco International Airport (SFO)
- Tokyo Narita Airport (NRT)
SEA is around 19 kilometers from central Seattle. If you're ride-sharing, catching a cab or driving from the center, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 35 minutes.
Booked an early flight from Seattle to Osaka? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to Seattle / Tacoma International Airport:
Seattle / Tacoma International Airport maintains a strong on-time record, so you're less likely to experience disruptions. Departures from SEA arrive on schedule 80% of the time.

Arriving in Osaka

Kansai International (Osaka) Airport (KIX)

Kansai International (Osaka) Airport (KIX) to central Osaka takes around 50 minutes to reach by car. The center is roughly 40 kilometers away.
If you're using public transport, expect a journey time of about 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. Stay at one of these accommodation options near KIX instead:
Go where the road takes you with a Kansai International (Osaka) Airport rental car. Pick up your wheels from BEST KANSAI CAR RENTAL, BE KOBE or TravelCar and discover more of Osaka and beyond.
Boost your chances of snagging the lowest price by booking as soon as possible. Reserving your vehicle from Kansai International (Osaka) Airport at least a couple of weeks in advance is a good move.
You'll find KIX at 1 Senshukukokita, Izumisano.

Itami Domestic (Osaka) Airport (ITM)

Central Osaka is around 11 kilometers from Itami Domestic (Osaka) Airport (ITM). Once your flight from Seattle to Osaka has landed and you've made your way to arrivals, the drive should take about 30 minutes.
Public transport will get you there in about 35 minutes.
Hang the 'Do not disturb' sign on your door and relax at a hotel near ITM. Here are a few options where you can check in after your flight from Seattle to Osaka:
Europcar, Times and Rakuten make picking up a Itami Domestic (Osaka) Airport rental car quick and easy. These trusted providers are located around or in the terminal and will get you on your way in no time.
Avoid filling out paperwork at the rental desk by completing your booking beforehand. Secure your ride from ITM in advance so you can simply get the keys and go.
Itami Domestic (Osaka) Airport can be found at 3丁目555 Nishimachi, Hotarugaike, Toyonaka.

Kobe Airport (UKB)

Make your way to the city center after your flight from Seattle to Osaka has touched down. Central Osaka is around 26 kilometers from Kobe Airport (UKB) and takes roughly 40 minutes to get there in a car.
If you use public transport, the journey will take you around 50 minutes.
Begin your trip without stressing about how to get to your destination with a Kobe Airport rental car. Book your ideal wheels with reliable suppliers here like Europcar, Times and Rakuten.
Booking a couple of weeks ahead of your flight from Seattle to Osaka is a smart move. As well as better prices, you'll have a wider selection of vehicle makes and models at UKB.
Kobe Airport can be found at 1 Kobekuko, Chuo Ward.

Best time to go to Osaka

March is the quietest month for flights from Seattle to Osaka, while November is the busiest. Pick the best time to go to Osaka based on whether you want a bustling atmosphere or a more laid-back vibe.
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 ideal forecast.
If you like cooler conditions, search for a cheap flight from Seattle to Osaka in January when temperatures average between 0ºC (32ºF) and 10ºC (50ºF).

More about Osaka

Start your Osaka trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Seattle to Osaka, explore our selection of accommodation options including:
Dotonbori and Osaka Castle are just two of the big attractions to put on your Osaka itinerary. Continue your sightseeing adventures at Universal Studios Japan.

Explore more of Japan

Tokyo is just one of the many places in Japan waiting to be explored once you've seen the sights of Osaka. Around 402 kilometers to the east, its top attractions include TOKYO SKYTREE, Sensho-ji and Ginza Central Street.
Around 137 kilometers northeast of Osaka, Nagoya is another essential stop in Japan. No visit is complete without checking out Nagoya Castle, Sky Promenade and Port Of Nagoya Public Aquarium.