C$576 Cheap Flights from Seattle (SEAA) to Osaka (OSAA)

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Flight deals from Seattle to Osaka

Looking for a cheap last-minute deal or the best return flight from Seattle to Osaka? If you want to travel next month, return fares start from C$1,262. Find the lowest prices on one-way and return tickets right here.

Osaka.C$579 per passenger.Departing Tue., Aug. 25.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Seattle / Tacoma International on Tue., Aug. 25, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$579, select.

Osaka.C$581 per passenger.Departing Tue., Oct. 20.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Seattle / Tacoma International on Tue., Oct. 20, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$581, select.

Osaka.C$581 per passenger.Departing Wed., Apr. 8.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Wed., Apr. 8, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$581, select.

Osaka.C$582 per passenger.Departing Thu., Sep. 3.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Thu., Sep. 3, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$582, select.

Osaka.C$583 per passenger.Departing Thu., Nov. 5.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Thu., Nov. 5, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$583, select.

Osaka.C$615 per passenger.Departing Tue., Jul. 28.One-way flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue., Jul. 28, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$615, select.

Osaka.C$626 per passenger.Departing Mon., May 4.One-way flight with ANA (All Nippon Airways).Outbound indirect flight with ANA (All Nippon Airways), departs from Seattle / Tacoma International on Mon., May 4, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$626, select.

Osaka.C$628 per passenger.Departing Sat., Feb. 13.One-way flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Sat., Feb. 13, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$628, select.

Osaka.C$698 per passenger.Departing Sat., Jan. 2.One-way flight with ANA (All Nippon Airways).Outbound indirect flight with ANA (All Nippon Airways), departs from Seattle / Tacoma International on Sat., Jan. 2, arriving in Kobe.Price includes taxes and charges.From C$698, select.

Osaka.C$847 per passenger.Departing Sat., Dec. 19.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sat., Dec. 19, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$847, select.

Osaka.C$895 per passenger.Departing Sat., Jun. 27.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Sat., Jun. 27, arriving in Kansai International (Osaka).Price includes taxes and charges.From C$895, 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 August.

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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	C$576
Cheapest month to fly	August

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 return flights from Seattle to Osaka?

The best price we found for a return flight from Seattle to Osaka is C$1,113. 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 C$1,113.

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

As of April 2026, there are no flights flying from Seattle to Osaka.

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

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

Which is the cheapest airport to fly into 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 centre of Osaka. We've found flights into this airport from C$1,113.

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 Tuesday, September 1, 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 April, the average temperature is usually around 12°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 from Seattle to Osaka with?

The cheapest airline that flies to Osaka is Air Canada .

Travelling from Seattle to Osaka: what you need to know

Start your vacation planning by considering the departure point for your flight from Seattle to Osaka. Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base (LKE) are Seattle's main airports.
Kansai International Airport (KIX) is the major hub where you can disembark in Osaka.
To ensure you get on your flight from Seattle to Osaka, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the standard rule.
During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a peak period in general.
If you have a passport from United States and are travelling to Japan for tourism purposes, you won't need a visa. However, visa and entry requirements may vary based on the duration of your stay and are subject to change. For the most up-to-date information, check with your destination's nearest embassy or consulate before reserving a cheap flight from Seattle to Osaka.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

We make it a cinch to plan a flight from Seattle to Osaka that includes a stopover. To see the options departing from Seattle-Tacoma International Airport, deselect 'Direct flights only.' Next, select a flight offering a stop long enough to see the sights of your chosen city. Popular stopovers include:
- Haneda Airport (HND)
- Narita International Airport (NRT)
- San Francisco International Airport (SFO)
The journey from central Seattle to SEA takes about 54 minutes on public transport. If you ride-share, drive or grab a cab, you'll cover the 23 kilometres in 18 minutes or so, depending on traffic.
After a stress-free start to your trip? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Osaka or just don't want to be rushed, these hotels are the answer:

Lake Union Sea Plane Base Airport (LKE)

Visit friends or family or just take a moment to refresh yourself with a stopover. If you'd like to break up your flight from Seattle to Osaka, here's where you can stop when taking off from Seattle-Tacoma International Airport:
- Haneda Airport (HND)
- Narita International Airport (NRT)
- San Francisco International Airport (SFO)
LKE is about 3 kilometres from central Seattle. It takes 11 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 23 minutes.
Start your vacation sooner with an extra night away from home. Before catching your flight from Seattle to Osaka, take things easy in one of these hotels close to Lake Union Sea Plane Base Airport:

Arriving in Osaka

Kansai International Airport (KIX)

Kansai International Airport (KIX) to central Osaka is approximately 48 kilometres. It takes around 44 minutes to get to the centre driving.
Consider staying in a hotel near KIX if you're catching a late flight from Seattle to Osaka. Pick one of these accommodation options and skip the long transfer:

Itami Airport (ITM)

Itami Airport (ITM) is around 16 kilometres from central Osaka. Once you've disembarked your flight from Seattle to Osaka, allow for a drive time of approximately 18 minutes to get to the heart of the city.
Place the 'Do not disturb' sign on your door and rest at a hotel near ITM. Here are a few options where you can put your feet up after your flight from Seattle to Osaka:

How to find the cheapest flights from Seattle to Osaka

At the moment, C$576 is the lowest price we've seen for a one-way ticket from Seattle to Osaka. The cheapest price for a return flight is C$1,113. Remember fares may change due to demand at the time of booking.
To get your hands on cheap flights from Seattle to Osaka, book as early as you can. Airlines usually offer their best fares when flights are first released.
The 'Whole month' tool shows you the cheapest tickets from Seattle to Osaka across every month. It's an easy way to find a bargain if your trip dates are flexible.
Set up a Price Alert for cheap flights from Seattle to Osaka. You don't need to check every day to see if prices have dropped. We'll tell you the moment there's a change in price.
Play around with filters to find your ideal trip. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Seattle to Osaka, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Best time to go to Osaka

It's time to figure out your dates for your flight from Seattle to Osaka. June is the most popular month for a trip to Osaka. If you want a more relaxed vibe, go in April.
The warmest month in Osaka is August, with temperatures ranging between 21ºC and 34ºC. Book your flights from Seattle to Osaka in this month if this is the type of weather you like.
January sees average temperatures of between 0ºC and 10ºC. Search for cheap flights from Seattle to Osaka sometime around then if you like cooler conditions.

More about Osaka

When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Osaka right here. Explore these hotels once you've locked in your flight from Seattle to Osaka:
Osaka Castle and Dotonbori are a couple of popular attractions to put on your Osaka to-do list. Keep the adventure rolling by checking out Universal Studios Japan.

Complete your Osaka trip with a car rental

Finding you a cheap flight from Seattle to Osaka isn't the only thing we're good at. Check out our car rentals in Osaka and explore at your own pace. We search for deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.