Which layover airport has the shortest connection time from Osaka to Seattle?

Tokyo (HND) has the shortest average layover time for this route: 1h 53m.

Which layover airport has the shortest travel time from Osaka to Seattle?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 11h 36m.

What is the cheapest airline that flies from Osaka to Seattle/Tacoma Intl?

Hainan Airlines, China Airlines, and Philippine Airlines are the most popular carriers operating from Osaka to Seattle/Tacoma Intl

Which airport is the most popular layover for flights between Osaka and Seattle?

Taipei City (TPE) was the most common stop: 72% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Osaka to Seattle?

Flights via Vancouver (YVR) offer the lowest average round-trip price of $665.

When did momondo last update prices for flights from Osaka to Seattle/Tacoma Intl Airport?

Prices for flights from Osaka to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Osaka to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$384 Cheap Flights from Osaka to Seattle in 2026

Q: What is the typical price of a round-trip flight between Osaka and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $953 to $994. The lowest price recently found on this route was $706.

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Find the cheapest flights from Osaka to Seattle

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7:25 pm - 1:55 pm

KIX

SEA

35h 30m

1 stop

12:10 am - 8:50 am

SEA

KIX

16h 40m

1 stop

$706Asiana Airlines

Fri, Mar 6 - Mon, Mar 9

6:00 pm - 2:22 pm

KIX

SEA

12h 22m

1 stop

10:30 am - 4:25 pm

SEA

KIX

13h 55m

1 stop

$707Air Canada

Tue, Jun 23 - Wed, Sep 16

7:25 pm - 10:57 pm

KIX

SEA

19h 32m

1 stop

8:00 pm - 5:40 pm

SEA

KIX

29h 40m

1 stop

$723Air Canada

Tue, Mar 17 - Sun, Mar 22

7:25 pm - 1:55 pm

KIX

SEA

35h 30m

1 stop

12:10 am - 8:50 am

SEA

KIX

16h 40m

1 stop

$755Asiana Airlines

Fri, Mar 6 - Mon, Mar 9

7:25 pm - 2:55 pm

KIX

SEA

35h 30m

1 stop

12:10 am - 8:55 pm

SEA

KIX

28h 45m

1 stop

$807Asiana Airlines

Tue, Mar 17 - Mon, Mar 23

6:00 pm - 9:17 am

KIX

SEA

31h 17m

1 stop

5:40 am - 9:00 pm

SEA

KIX

23h 20m

2 stops

$816Multiple Airlines

Tue, Jun 23 - Wed, Sep 16

10:55 am - 7:10 pm

KIX

SEA

24h 15m

1 stop

1:10 am - 4:55 pm

SEA

KIX

23h 45m

1 stop

$839EVA Air

Wed, Mar 18 - Tue, Mar 24

7:40 am - 10:57 pm

KIX

SEA

31h 17m

2 stops

10:10 am - 10:45 pm

SEA

KIX

20h 35m

2 stops

$841Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

7:25 pm - 1:55 pm

KIX

SEA

35h 30m

1 stop

12:10 am - 8:50 am

SEA

KIX

16h 40m

1 stop

$852Asiana Airlines

Fri, Feb 27 - Mon, Mar 9

4:30 pm - 6:53 pm

ITM

SEA

18h 23m

2 stops

6:00 am - 7:50 pm

SEA

ITM

21h 50m

2 stops

$1,652Japan Airlines

Wed, Mar 18 - Wed, Mar 25

Air Canada flights from Osaka to Seattle

Our best Air Canada deals on Osaka to Seattle flight tickets

Air Canada

Jun 23

KIX6:00 pmOsaka Kansai Intl

12h 22m

1 stop

SEA2:22 pmSeattle/Tacoma Intl

Sep 16

SEA10:30 amSeattle/Tacoma Intl

13h 55m

1 stop

KIX4:25 pmOsaka Kansai Intl

$707

Air Canada

Mar 17

KIX7:25 pmOsaka Kansai Intl

19h 32m

1 stop

SEA10:57 pmSeattle/Tacoma Intl

Mar 22

SEA8:00 pmSeattle/Tacoma Intl

29h 40m

1 stop

KIX5:40 pmOsaka Kansai Intl

$723

Air Canada

Jun 23

ITM2:00 pmOsaka Itami

16h 22m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

Sep 16

SEA5:40 amSeattle/Tacoma Intl

21h 15m

2 stops

ITM6:55 pmOsaka Itami

$1,253

EVA Air flights from Osaka to Seattle

Our best EVA Air deals on Osaka to Seattle flight tickets

EVA Air

Mar 18

KIX10:55 amOsaka Kansai Intl

24h 15m

1 stop

SEA7:10 pmSeattle/Tacoma Intl

Mar 24

SEA1:10 amSeattle/Tacoma Intl

23h 45m

1 stop

KIX4:55 pmOsaka Kansai Intl

$839

EVA Air

Mar 18

KIX10:55 amOsaka Kansai Intl

24h 15m

1 stop

SEA7:10 pmSeattle/Tacoma Intl

Mar 24

SEA1:10 amSeattle/Tacoma Intl

23h 45m

1 stop

KIX4:55 pmOsaka Kansai Intl

$854

EVA Air

Jun 26

KIX11:10 amOsaka Kansai Intl

24h 30m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Jun 26

SEA1:50 amSeattle/Tacoma Intl

16h 20m

1 stop

KIX10:10 amOsaka Kansai Intl

$910

Fly from

Fly to

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 3/6

7:25 pm-1:55 pm

1 stop35h 30m

Seattle/Tacoma Intl

Mon 3/9

12:10 am-8:50 am

1 stop16h 40m

$706

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 6/23

6:00 pm-2:22 pm

1 stop12h 22m

Seattle/Tacoma Intl

Wed 9/16

10:30 am-4:25 pm

1 stop13h 55m

$707

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 3/17

7:25 pm-10:57 pm

1 stop19h 32m

Seattle/Tacoma Intl

Sun 3/22

8:00 pm-5:40 pm

1 stop29h 40m

$723

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 3/6

7:25 pm-1:55 pm

1 stop35h 30m

Seattle/Tacoma Intl

Mon 3/9

12:10 am-8:50 am

1 stop16h 40m

$755

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 3/17

7:25 pm-2:55 pm

1 stop35h 30m

Seattle/Tacoma Intl

Mon 3/23

12:10 am-8:55 pm

1 stop28h 45m

$807

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 6/23

6:00 pm-9:17 am

1 stop31h 17m

Seattle/Tacoma Intl

Wed 9/16

5:40 am-9:00 pm

2 stops23h 20m

$816

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 3/18

10:55 am-7:10 pm

1 stop24h 15m

Seattle/Tacoma Intl

Tue 3/24

1:10 am-4:55 pm

1 stop23h 45m

$839

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 3/18

7:40 am-10:57 pm

2 stops31h 17m

Seattle/Tacoma Intl

Wed 3/25

10:10 am-10:45 pm

2 stops20h 35m

$841

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 2/27

7:25 pm-1:55 pm

1 stop35h 30m

Seattle/Tacoma Intl

Mon 3/9

12:10 am-8:50 am

1 stop16h 40m

$852

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 3/18

4:30 pm-6:53 pm

2 stops18h 23m

Seattle/Tacoma Intl

Wed 3/25

6:00 am-7:50 pm

2 stops21h 50m

$1,652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Osaka to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Osaka and Seattle?

How have Osaka to Seattle flight prices changed over time?

As of February 2026, prices for Osaka to Seattle flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Osaka to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Osaka to Seattle (OSA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka to Seattle

Fastest flight time	12h 05m
Direct flights	None

The fastest flight from Osaka to Seattle takes 12h 05m

There are no direct flights from Osaka to Seattle. There are no popular flight routes from Osaka to Seattle.

Search flight deals

How far is Osaka to Seattle/Tacoma Intl by plane?
The straight-line distance from Osaka to Seattle/Tacoma Intl is 4994.7 mi. By plane, this route typically takes 12h 05m.
When did momondo last update prices for flights from Osaka to Seattle/Tacoma Intl Airport?
Prices for flights from Osaka to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Osaka to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Osaka to Seattle?
momondo data reveals that the most frequently booked airline on the route from Osaka to Seattle is STARLUX Airlines, representing 68% of all bookings. The subsequent popular airline is ANA at 32%.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Cle Elum

Tukwila

Lakewood

Federal Way

Centralia

Westport

Kirkland

Fife

Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Osaka to Seattle?

Finding the right flight to Seattle from Osaka is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Osaka to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Osaka which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Osaka to Seattle?

Once you have performed a search for Osaka to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Osaka to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Osaka to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.