CA $605 Cheap Flights from Seattle (SEA) to Osaka (KIX)

View CA $605 flight on Sat, Nov 21, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Kansai Intl. Airport (KIX)

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Cheap flights from Seattle (SEA) to Osaka (KIX)

Prices were available within the past 7 days and start at CA $605 for one-way flights and CA $1,167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Sep 2 - Mon, Sep 7
SEA
Seattle
KIX
Osaka
CA $1,167 Roundtrip, found 3 days ago
CA $1,167
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Wed, Sep 2 from Seattle to Osaka, returning Mon, Sep 7, priced at CA $1,167 found 3 days ago
Asiana Airlines
Wed, Sep 30 - Tue, Oct 13
SEA
Seattle
KIX
Osaka
CA $1,167 Roundtrip, found 2 days ago
CA $1,167
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Wed, Sep 30 from Seattle to Osaka, returning Tue, Oct 13, priced at CA $1,167 found 2 days ago
China Airlines
Wed, Sep 2 - Mon, Sep 7
SEA
Seattle
KIX
Osaka
CA $1,544 Roundtrip, found 3 days ago
CA $1,544
Roundtrip
found 3 days ago
Select China Airlines flight, departing Wed, Sep 2 from Seattle to Osaka, returning Mon, Sep 7, priced at CA $1,544 found 3 days ago
Cathay Pacific
Tue, Aug 18 - Tue, Sep 1
SEA
Seattle
KIX
Osaka
CA $1,569 Roundtrip, found 4 days ago
CA $1,569
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Tue, Aug 18 from Seattle to Osaka, returning Tue, Sep 1, priced at CA $1,569 found 4 days ago
EVA Airways
Wed, Sep 2 - Mon, Sep 7
SEA
Seattle
KIX
Osaka
CA $1,638 Roundtrip, found 3 days ago
CA $1,638
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Wed, Sep 2 from Seattle to Osaka, returning Mon, Sep 7, priced at CA $1,638 found 3 days ago
All Nippon Airways
Mon, Aug 31 - Tue, Sep 8
SEA
Seattle
KIX
Osaka
CA $1,662 Roundtrip, found 13 hours ago
CA $1,662
Roundtrip
found 13 hours ago
Select All Nippon Airways flight, departing Mon, Aug 31 from Seattle to Osaka, returning Tue, Sep 8, priced at CA $1,662 found 13 hours ago
Delta
Mon, Nov 9 - Tue, Nov 24
SEA
Seattle
KIX
Osaka
CA $1,672 Roundtrip, found 2 days ago
CA $1,672
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 9 from Seattle to Osaka, returning Tue, Nov 24, priced at CA $1,672 found 2 days ago
Korean Air
Mon, Nov 9 - Tue, Nov 24
SEA
Seattle
KIX
Osaka
CA $1,767 Roundtrip, found 2 days ago
CA $1,767
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 9 from Seattle to Osaka, returning Tue, Nov 24, priced at CA $1,767 found 2 days ago
Air Canada
Mon, Nov 9 - Tue, Nov 24
SEA
Seattle
KIX
Osaka
CA $1,806 Roundtrip, found 2 days ago
CA $1,806
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Nov 9 from Seattle to Osaka, returning Tue, Nov 24, priced at CA $1,806 found 2 days ago
Singapore Airlines
Fri, Oct 2 - Wed, Oct 14
SEA
Seattle
KIX
Osaka
CA $1,865 Roundtrip, found 2 days ago
CA $1,865
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Fri, Oct 2 from Seattle to Osaka, returning Wed, Oct 14, priced at CA $1,865 found 2 days ago

Alternative airports near Osaka

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kansai Intl. KIX. Cheapest option available. Average driving time to city centre is 40 minutes. Flights from CA $1,939
KIX
Kansai Intl.
Cheapest
Average driving time to city centre40 min
Flights from CA $1,939

Find the cheapest month to fly from Seattle (SEA) to Osaka (KIX)

September is typically the cheapest month to fly

From CA $899 - CA $1,280 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) cost?
One-way flights typically cost between $1,686 and $7,029 and return flights often range between $1,686 and $7,029. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
January is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Kansai Intl. (KIX), with average round-trip fares around 1634 CAD. This is about 33% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday travel season, when demand for flights tends to decrease. Other cheap months to fly from Seattle - Tacoma Intl. (SEA) to Kansai Intl. (KIX) include February and September.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
The best time to fly from Seattle - Tacoma Intl. (SEA) to Osaka (KIX-Kansai Intl.) (KIX) is January. This month offers a great balance, as it's one of the cheapest times to fly, with average round-trip flights around 1634, CAD and it's also a popular time to travel, meaning you'll have plenty of flight options. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
There are approximately 53 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Kansai Intl. (KIX). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Vancouver Intl. (YVR).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Kansai Intl. (KIX) typically departs at approximately 12:05 AM local time. This service is operated by American Airlines and Japan Airlines, and it is a seasonal service active in February. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Osaka (Kansai Intl.) (KIX) on a Monday, with around 65 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Kansai Intl. (KIX) are in the early morning, from 6am to 9am. About 24% of passengers prefer this time window. Many major carriers, including United Airlines, All Nippon Airways and American Airlines, offer flights during this window. These times work well because you can get an early start on your journey and arrive at your destination with plenty of time to settle in.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
Flights from SEA to KIX with one stop typically take around 15 hours 50 minutes, covering approximately 5,028 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to KIX flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Osaka from Seattle - Tacoma Intl. (SEA)?
When traveling from Seattle - Tacoma Intl. (SEA) to Osaka, you can fly into Kansai Intl. (KIX) and Itami (ITM). Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Francisco Intl. (SFO), Vancouver Intl. (YVR) before reaching Osaka. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Osaka (KIX-Kansai Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kansai Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, Asiana Airlines, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Philippine Airlines, Singapore Airlines
Roundtrip price
CA $1,166
Distance
8044 km

Book with confidence

Seattle to Osaka Flights

The easy way to book your flights from Seattle to Osaka 

With Expedia, it’s simple to find and book flights to Osaka from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kansai Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Osaka today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Kansai Intl., KIX 

Sort your search results by price to find great deals on your flight from Seattle to Osaka—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Osaka from Seattle currently is just CA $1,167 rising to CA $1,865.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Osaka  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Osaka from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Osaka with Expedia today.

Seattle to Osaka Flights

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*Available to Expedia members.