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Cheap Flights from Osaka (OSAA) to Seattle (SEAA)

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Flight deals from Osaka to Seattle

Looking for a cheap last-minute deal or the best return flight from Osaka to Seattle? If you want to travel next month, return fares start from $1,319. Find the lowest prices on one-way and return tickets right here.
Seattle.$1,319 per passenger.Departing Mon, 21 Sep, returning Mon, 28 Sep.Return flight with Air Seoul and Alaska Airlines.Outbound indirect flight with Air Seoul, departs from Kansai International (Osaka) on Mon, 21 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Mon, 28 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,319, select.
Seattle.$1,368 per passenger.Departing Thu, 19 Nov, returning Sun, 29 Nov.Return flight with Peach and Alaska Airlines.Outbound indirect flight with Peach, departs from Kansai International (Osaka) on Thu, 19 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sun, 29 Nov, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,368, select.
Seattle.$1,374 per passenger.Departing Wed, 21 Oct, returning Wed, 28 Oct.Return flight with Peach and Frontier Airlines.Outbound indirect flight with Peach, departs from Kansai International (Osaka) on Wed, 21 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 28 Oct, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,374, select.
Seattle.$1,411 per passenger.Departing Mon, 1 Feb, returning Mon, 8 Feb.Return flight with Jetstar Japan and Air Canada.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Mon, 1 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Mon, 8 Feb, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,411, select.
Seattle.$1,426 per passenger.Departing Tue, 27 Oct, returning Sat, 7 Nov.Return flight with Air Busan and WestJet.Outbound indirect flight with Air Busan, departs from Kansai International (Osaka) on Tue, 27 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Sat, 7 Nov, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,426, select.
Seattle.$1,434 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Jeju Air and Asiana Airlines.Outbound indirect flight with Jeju Air, departs from Kansai International (Osaka) on Tue, 29 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 6 Oct, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,434, select.
Seattle.$1,459 per passenger.Departing Mon, 31 Aug, returning Mon, 7 Sep.Return flight with AirAsia X and WestJet.Outbound indirect flight with AirAsia X, departs from Kansai International (Osaka) on Mon, 31 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 7 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,459, select.
Seattle.$1,514 per passenger.Departing Thu, 20 Aug, returning Sat, 29 Aug.Return flight with Asiana Airlines and Frontier Airlines.Outbound indirect flight with Asiana Airlines, departs from Kansai International (Osaka) on Thu, 20 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 29 Aug, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,514, select.
Seattle.$1,517 per passenger.Departing Fri, 27 Nov, returning Sat, 5 Dec.Return flight with Jetstar Japan and Hainan Airlines.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Fri, 27 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Hainan Airlines, departs from Seattle / Tacoma International on Sat, 5 Dec, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,517, select.
Seattle.$1,533 per passenger.Departing Thu, 29 Oct, returning Fri, 29 Jan.Return flight with Jetstar Japan and Asiana Airlines.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Thu, 29 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Fri, 29 Jan, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,533, select.
Seattle.$1,539 per passenger.Departing Wed, 10 Mar, returning Mon, 15 Mar.Return flight with Peach and STARLUX Airlines.Outbound indirect flight with Peach, departs from Kansai International (Osaka) on Wed, 10 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with STARLUX Airlines, departs from Seattle / Tacoma International on Mon, 15 Mar, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,539, select.
Seattle.$1,560 per passenger.Departing Tue, 3 Nov, returning Thu, 28 Jan.Return flight with Jetstar Japan and Asiana Airlines.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Tue, 3 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Thu, 28 Jan, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,560, select.
Seattle.$1,567 per passenger.Departing Fri, 18 Dec, returning Tue, 5 Jan.Return flight with Jetstar Japan and Hainan Airlines.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Fri, 18 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Hainan Airlines, departs from Seattle / Tacoma International on Tue, 5 Jan, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,567, select.
Seattle.$1,568 per passenger.Departing Thu, 3 Dec, returning Mon, 7 Dec.Return flight with Jetstar Japan and Asiana Airlines.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Thu, 3 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Mon, 7 Dec, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,568, select.
Seattle.$1,596 per passenger.Departing Thu, 28 Jan, returning Thu, 4 Feb.Return flight with Jetstar Japan and Alaska Airlines.Outbound indirect flight with Jetstar Japan, departs from Kansai International (Osaka) on Thu, 28 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Thu, 4 Feb, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,596, select.
Seattle.$1,665 per passenger.Departing Mon, 21 Jun, returning Mon, 28 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Kansai International (Osaka) on Mon, 21 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Mon, 28 Jun, arriving in Kansai International (Osaka).Price includes taxes and charges.From $1,665, select.

Find the cheapest month to fly from Osaka to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Osaka to Seattle flights are currently cheapest in September.
Aug
from $1,512
Sep
from $1,317
Oct
from $1,372
Nov
from $1,366
Dec
from $1,565
Jan
from $1,673
Feb
from $1,409
Mar
from $1,536
Apr
from $1,797
May
from $1,780
Jun
from $1,662
Jul
from $1,788

Alternative Osaka to Seattle routes

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

Seattle Lake Union SPB

2km from central Seattle
Closest
Search flights

Seattle Boeing Fld

11km from central Seattle
from $2,368
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from $1,319
Search flights

Paine Field

33km from central Seattle
from $2,049
Search flights

Osaka to Seattle: Flight information

The things to know before you go.
Cheapest flight found$1,319
Cheapest month to flySeptember

Finding cheap flights from Osaka to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Osaka to Seattle is $1,317. 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 Osaka to Seattle. But we found flights with one or more stops from $1,319.
As of August 2026, there are no flights flying from Osaka to Seattle.
The cheapest month to fly from Osaka to Seattle is usually September.
If you're flying from Osaka, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $1,317.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Osaka to Seattle on Monday, 21 September 2026.
No airlines currently offer direct flights between Osaka and Seattle. 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 Seattle 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

In August, the average temperature is usually around 18°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
The cheapest airline that flies to Seattle is Air Seoul .

Travelling from Osaka to Seattle: what you need to know

  • Start your holiday planning by considering where you'll take off for your flight from Osaka to Seattle. Kansai International (Osaka) Airport (KIX) and Kobe Airport (UKB) are the main airports in Osaka.

  • Seattle / Tacoma International Airport (SEA) and Seattle Lake Union SPB Airport (LKE) are Seattle's major gateways.

  • Seattle's timezone is UTC-8, which makes Seattle 17 hours behind Osaka.

  • To ensure you get on your Osaka to Seattle flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • During popular months like November, you'll want to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.

How to find the cheapest flights from Osaka to Seattle

  • Don't leave things to the last minute. You're more likely to get cheap Osaka to Seattle flights if you book early. Airlines often have some excellent early bird discounts.

  • The 'Whole month' search tool shows you the cheapest plane tickets from Osaka to Seattle across each month. It's a great way to find a bargain if your travel plans aren't set in stone.

  • Save time searching for cheap flights from Osaka to Seattle by creating a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Pick your ideal arrival and departure times, airlines and number of stops by using the filters. Or sort your Osaka to Seattle flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from Osaka

Kansai International (Osaka) Airport (KIX)

  • Think about adding a stopover to potentially find a cheaper Osaka to Seattle flight. Just uncheck 'Direct flights only' when searching for departures from Kansai International (Osaka) Airport. Take a break (and maybe save some cash) by stopping at one of these popular airports:

    • Tokyo Haneda Airport (HND)

    • Vancouver International Airport (YVR)

    • Tokyo Narita Airport (NRT)

  • The journey from central Osaka to KIX takes around 45 minutes on public transport. If you ride-share, drive or get a taxi, you'll cover the 40 kilometres in 50 minutes or so, depending on traffic.

  • Want a hassle-free start to your holiday? Stay near Kansai International (Osaka) Airport. Whether you have an early flight from Osaka to Seattle or want to avoid feeling rushed, these hotels are the answer:

  • Of the flights that depart from Kansai International (Osaka) Airport, 73% land on time at their destination.

  • KIX is located at 1 Senshukukokita, Izumisano.

Kobe Airport (UKB)

  • Using public transport, you can travel from central Osaka to UKB in around 50 minutes. The terminal is roughly 26 kilometres away. Driving will take you about 40 minutes.

  • Start your holiday early with an additional night away from home. Before catching your flight from Osaka to Seattle, unwind in one of these hotels close to Kobe Airport:

  • Kobe Airport has earned its reputation for punctuality. 81% of flights leaving here arrive right on target.

  • The address for UKB is 1 Kobekuko, Chuo Ward.

Arriving in Seattle

Seattle / Tacoma International Airport (SEA)

  • The distance from Seattle / Tacoma International Airport (SEA) to central Seattle is roughly 19 kilometres. It takes around 25 minutes to get to the centre driving.

  • It typically takes 35 minutes to get there when travelling by public transport.

  • Consider staying in a hotel close to SEA if you're coming in on a late flight from Osaka to Seattle. Select one of these options and skip the long transfer:

  • Begin your adventure by picking up a Seattle / Tacoma International Airport rental car. Grab a set of wheels from Thrifty, Europcar or Budget and experience the lesser-explored corners of Seattle and beyond.

  • Booking your ride from Seattle / Tacoma International Airport around one week ahead can help you secure the lowest rate.

Paine Field Airport (PAE)

  • The centre of Seattle is approximately 32 kilometres from Paine Field Airport (PAE). As soon as your flight from Osaka to Seattle has hit the runway and you've navigated your way to arrivals, expect a drive of about 20 minutes.

  • The journey will take approximately 40 minutes on public transport.

  • There are some comfortable places to call home for the night near PAE. Settle in and get cosy after your Osaka to Seattle flight at any of these perfectly located options:

  • Touch down, collect your Paine Field Airport rental car, and set off without skipping a beat. Budget and Enterprise are top outlets to take your pick of here.

  • Get the vehicle you actually want, not just what's left, by booking your ride from PAE ahead of time. You'll also avoid last-minute price surges, especially during peak travel times.

Seattle Boeing Fld Airport (BFI)

  • Hop off your flight from Osaka to Seattle and head straight for your hotel or start sightseeing right away. Central Seattle is around 11 kilometres from Seattle Boeing Fld Airport (BFI) and takes roughly 20 minutes to reach by car.

  • The journey will take you around 35 minutes when travelling on public transport.

  • Whether you're after a compact for a solo trip or a full-size SUV to fit everyone and their gear, you'll find the right Seattle Boeing Fld Airport rental car for you. Check out wheels available here from providers such as Alamo, Budget and Avis.

  • If you're hoping for a particular model or make, booking early gives you a better shot at getting exactly what you want. Reserve your ride from BFI a few weeks ahead of your flight from Osaka to Seattle.

Best time to go to Seattle

  • March is the quietest month for flights from Osaka to Seattle, while July is the most popular. Figure out the best time to visit Seattle based on whether you like a lively atmosphere or a more laid-back vibe.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your Osaka to Seattle ticket then if that's your definition of good weather.

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap flights from Osaka to Seattle around that time if you like cooler conditions.

More about Seattle

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Seattle right here. Browse these options after locking in your flight from Osaka to Seattle:

  • There are so many things to do and see in this city it can be tricky to work out where to start. Space Needle, Pike Place Fish Market and The Museum of Flight are top sights which should feature on any good Seattle itinerary.

Explore more of the United States

  • You've seen Seattle, now it's time to discover more of the United States. Travel around 241 kilometres south to Portland to tick off its popular sights. From Portland Japanese Garden to Peninsula Park Rose Garden and International Rose Test Garden, there's plenty to keep you on the go.

  • Spokane is another standout destination in the United States and is around 370 kilometres east of Seattle. No journey is complete without seeing Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Plan smart, explore more

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Plan the rest of your trip from Osaka to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.