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

Tokyo (HND) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Osaka?

ANA, Japan Airlines and Asiana Airlines are the top three most popular airlines that fly to Osaka from Seattle according to our data. ANA is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 5 different airlines that fly to Osaka on a routine basis, so you have a few additional options to choose from.

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

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

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

Tokyo (HND) has the shortest average layover time for this route: 1h 48m.

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

Flights connecting via Tokyo (HND) have the shortest average one-way travel time: 13h 18m.

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

Flights via Incheon (ICN) offer the lowest average round-trip price of $705.

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

Prices for flights from Seattle/Tacoma Intl Airport to Osaka are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Osaka?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Osaka is 5 as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Osaka.

What documentation or ID do you need to fly to Osaka?

The travel and health documents you'll need for your trip to Osaka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$435 Cheap Flights from Seattle to Osaka in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,326 to $964. The lowest price recently found on this route was $846.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 pm - 2:10 pm

SEA

KIX

22h 15m

1 stop

10:25 am - 6:35 pm

KIX

SEA

25h 10m

1 stop

$846Philippine Airlines

Sun, Oct 25 - Mon, Nov 2

11:00 am - 12:45 pm

SEA

KIX

33h 45m

1 stop

2:20 pm - 9:00 am

KIX

SEA

34h 40m

1 stop

$853Hainan Airlines

Sat, Aug 22 - Mon, Aug 31

10:00 am - 12:35 pm

SEA

KIX

33h 35m

1 stop

2:35 pm - 8:00 am

KIX

SEA

34h 25m

1 stop

$854Hainan Airlines

Sat, Nov 7 - Mon, Nov 23

3:40 pm - 8:10 am

SEA

ITM

23h 30m

1 stop

6:00 pm - 1:20 pm

ITM

SEA

12h 20m

1 stop

$885ANA

Tue, Nov 17 - Tue, Dec 1

3:40 pm - 8:00 am

SEA

UKB

23h 20m

1 stop

9:15 pm - 1:20 pm

UKB

SEA

33h 05m

1 stop

$885ANA

Tue, Nov 17 - Mon, Nov 30

3:40 pm - 6:10 pm

SEA

ITM

33h 30m

1 stop

1:00 pm - 1:20 pm

ITM

SEA

17h 20m

1 stop

$893United Airlines

Mon, Nov 16 - Wed, Dec 2

6:57 am - 4:45 pm

SEA

KIX

16h 48m

1 stop

8:20 am - 1:20 pm

KIX

SEA

22h 00m

1 stop

$894United Airlines

Wed, Nov 4 - Wed, Nov 11

11:00 am - 10:10 am

SEA

UKB

30h 10m

1 stop

11:10 am - 9:00 am

UKB

SEA

14h 50m

1 stop

$901Korean Air

Tue, Nov 3 - Tue, Nov 24

11:00 am - 8:45 pm

SEA

KIX

16h 45m

1 stop

6:10 pm - 9:00 am

KIX

SEA

31h 50m

1 stop

$903Korean Air

Tue, Nov 3 - Mon, Nov 9

7:20 pm - 6:55 pm

SEA

ITM

31h 35m

2 stops

2:00 pm - 10:42 pm

ITM

SEA

24h 42m

2 stops

$973Air Canada

Sat, Sep 19 - Mon, Sep 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Philippine Airlines flights from Seattle to Osaka

Our best Philippine Airlines deals on Seattle to Osaka flight tickets

Philippine Airlines

Oct 25

SEA11:55 pmSeattle/Tacoma Intl

22h 15m

1 stop

KIX2:10 pmOsaka Kansai Intl

Nov 2

KIX10:25 amOsaka Kansai Intl

25h 10m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

$846

Philippine Airlines

Oct 20

SEA11:10 pmSeattle/Tacoma Intl

28h 25m

1 stop

KIX7:35 pmOsaka Kansai Intl

Nov 6

KIX10:25 amOsaka Kansai Intl

26h 10m

1 stop

SEA7:35 pmSeattle/Tacoma Intl

$923

Philippine Airlines

Jun 21

SEA11:10 pmSeattle/Tacoma Intl

23h 00m

1 stop

KIX2:10 pmOsaka Kansai Intl

Jun 30

KIX10:25 amOsaka Kansai Intl

25h 40m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

$4,379

Hainan Airlines flights from Seattle to Osaka

Our best Hainan Airlines deals on Seattle to Osaka flight tickets

Hainan Airlines

Aug 22

SEA11:00 amSeattle/Tacoma Intl

33h 45m

1 stop

KIX12:45 pmOsaka Kansai Intl

Aug 31

KIX2:20 pmOsaka Kansai Intl

34h 40m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$853

Hainan Airlines

Nov 7

SEA10:00 amSeattle/Tacoma Intl

33h 35m

1 stop

KIX12:35 pmOsaka Kansai Intl

Nov 23

KIX2:35 pmOsaka Kansai Intl

34h 25m

1 stop

SEA8:00 amSeattle/Tacoma Intl

$854

Hainan Airlines

Sep 12

SEA11:00 amSeattle/Tacoma Intl

33h 45m

1 stop

KIX12:45 pmOsaka Kansai Intl

Oct 19

KIX2:20 pmOsaka Kansai Intl

34h 40m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$904

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 10/25

11:55 pm-2:10 pm

1 stop22h 15m

Osaka Kansai Intl

Mon 11/2

10:25 am-6:35 pm

1 stop25h 10m

$846

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sat 8/22

11:00 am-12:45 pm

1 stop33h 45m

Osaka Kansai Intl

Mon 8/31

2:20 pm-9:00 am

1 stop34h 40m

$853

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sat 11/7

10:00 am-12:35 pm

1 stop33h 35m

Osaka Kansai Intl

Mon 11/23

2:35 pm-8:00 am

1 stop34h 25m

$854

Quickest round-trip

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 11/17

3:40 pm-8:10 am

1 stop23h 30m

Osaka Itami

Tue 12/1

6:00 pm-1:20 pm

1 stop12h 20m

$885

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

Tue 11/17

3:40 pm-8:00 am

1 stop23h 20m

Kobe

Mon 11/30

9:15 pm-1:20 pm

1 stop33h 05m

$885

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 11/16

3:40 pm-6:10 pm

1 stop33h 30m

Osaka Itami

Wed 12/2

1:00 pm-1:20 pm

1 stop17h 20m

$893

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Wed 11/4

6:57 am-4:45 pm

1 stop16h 48m

Osaka Kansai Intl

Wed 11/11

8:20 am-1:20 pm

1 stop22h 00m

$894

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

Tue 11/3

11:00 am-10:10 am

1 stop30h 10m

Kobe

Tue 11/24

11:10 am-9:00 am

1 stop14h 50m

$901

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 11/3

11:00 am-8:45 pm

1 stop16h 45m

Osaka Kansai Intl

Mon 11/9

6:10 pm-9:00 am

1 stop31h 50m

$903

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 9/19

7:20 pm-6:55 pm

2 stops31h 35m

Osaka Itami

Mon 9/28

2:00 pm-10:42 pm

2 stops24h 42m

$973

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 Seattle to Osaka

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 Seattle and Osaka?

What is the cheapest month to fly to Osaka?

In general, March is the cheapest month to fly from Seattle to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $363. If you are unable to visit Osaka during the month of March, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $370.

How far in advance should I book a flight from Seattle to Osaka?

You are more likely to see cheaper flights to Osaka from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Osaka for around $836 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka from Seattle for as low as $650 on momondo.

Can stopping save me money on Seattle to Osaka flights?

You could potentially save up to 32% on your flight if you consider stops on a Seattle to Osaka flight.

How have Seattle to Osaka flight prices changed over time?

As of June 2026, prices for Seattle to Osaka flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Osaka

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

Estimated round-trip price

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

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

Fastest flight time	13h 10m
Direct flights	None

The fastest flight from Seattle to Osaka takes 13h 10m

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

Search flight deals

Frequently asked questions about flying from Seattle to Osaka

How far is Seattle/Tacoma Intl to Osaka by plane?
The distance between Seattle/Tacoma Intl and Osaka is about 4994.7 mi. Flights usually cover this in 13h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Osaka?
Prices for flights from Seattle/Tacoma Intl Airport to Osaka are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Osaka?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Osaka is 5 as of June 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Osaka?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Osaka.
What documentation or ID do you need to fly to Osaka?
The travel and health documents you'll need for your trip to Osaka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Osaka?
momondo data reveals that the most frequently booked airline on the route from Seattle to Osaka is ANA, representing 52% of all bookings. The subsequent popular airlines are Asiana Airlines at 14%, Japan Airlines at 11%, and Air Canada at 8%.

Best airlines flying from Seattle to Osaka

Compare and see reviews for airlines that fly from Seattle to Osaka with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $370	Free Cancellation	Rating 7.9 12,515 reviews	Search Alaska Airlines flights
Asiana Airlines	PriceFrom $565	Free Cancellation	Rating 8.1 541 reviews	Search Asiana Airlines flights
ANA	PriceFrom $649	Free Cancellation	Rating 8.3 1,236 reviews	Search ANA flights
Air Canada	PriceFrom $669	Free Cancellation	Rating 7.1 11,194 reviews	Search Air Canada flights
Japan Airlines	PriceFrom $697	Free Cancellation	Rating 8.3 1,839 reviews	Search Japan Airlines flights

Nara

Nishinomiya

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Osaka. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Seattle to Osaka flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Seattle and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Seattle to Osaka now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Osaka and let you know when they change.

An easier way to manage your Osaka trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 7/15

Wed 7/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Japan

Nearby airports

Airlines

Cabin classes

Other Japan destinations

Other flights from Seattle

Complete your trip

Feeling lucky

Fly into one of these airports located in Osaka

Osaka Itami Airport

Osaka Kansai Intl Airport

Cheap flights from Seattle to Osaka from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Osaka departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Seattle to Osaka

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Philippine Airlines flights from Seattle to Osaka

Our best Philippine Airlines deals on Seattle to Osaka flight tickets

Hainan Airlines flights from Seattle to Osaka

Our best Hainan Airlines deals on Seattle to Osaka flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Osaka that are best for you.

See travel insights to Osaka from

How to get the cheapest flight ticket from Seattle to Osaka

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

What is the cheapest month to fly to Osaka?

How far in advance should I book a flight from Seattle to Osaka?

Can stopping save me money on Seattle to Osaka flights?

How have Seattle to Osaka flight prices changed over time?

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

What airlines fly to Osaka?

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

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

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

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

When to book flights from Seattle to Osaka

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Osaka

Best airlines flying from Seattle to Osaka

Compare and see reviews for airlines that fly from Seattle to Osaka with momondo

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka

Fly your favorite airline to Osaka

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Osaka

List of cabin classes available on flights landing in Osaka. Availability may vary depending on flight origin and airline.

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Seattle

According to popular flight searches on momondo this year

Complete your trip to Osaka

Explore popular destinations other users love

According to popular flight searches on momondo this year