How long is the flight from Osaka to Seattle?

For as low as $687, Korean Air can have you in Seattle from Osaka in 14h 05m. Osaka and Seattle are separated by a distance of 5024 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Osaka to Seattle one-way?

For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $309. Users have also found prices from $420 and $424 on Korean Air and Air Canada, respectively.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Most accurate provider : When it comes to deals on Osaka-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Osaka-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Seattle from Osaka?

If you book a flight to Seattle from Osaka, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Osaka to Seattle/Tacoma Intl per day from 0 different airlines.

Can I find deals for flights from Osaka to Seattle that include hotel bookings?

Yes. In addition to deals on Osaka to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Osaka to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka to Seattle.

Can I find deals for business class flights from Osaka to Seattle?

Yes. Cheapflights offers flight deals from Osaka to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$369+ Flights from Osaka to Seattle

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Cheap flight deals from Osaka to Seattle

Cheapest flights from Osaka to Seattle
Explore the most affordable flight options available from Osaka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Thu 12/259:00 amKIX - SEA

1 stop21h 55mAsiana Airlines

Mon 12/2912:10 amSEA - KIX

1 stop15h 40mAsiana Airlines

Deal found 12/9

$840

Thu 12/2510:50 amKIX - SEA

2 stops20h 41mMultiple Airlines

Tue 12/305:50 amSEA - KIX

2 stops21h 45mMultiple Airlines

Deal found 12/7

$977

Sat 12/2012:55 pmKIX - SEA

1 stop21h 35mEVA Air

Thu 1/112:10 amSEA - KIX

1 stop16h 45mEVA Air

Deal found 12/7

$995

Sat 12/209:25 amKIX - SEA

2 stops29h 24mCathay Pacific

Fri 1/27:20 amSEA - KIX

2 stops30h 00mCathay Pacific

Deal found 12/7

$1,218

Thu 12/254:55 pmKIX - SEA

2 stops33h 07mCathay Pacific

Tue 12/305:59 pmSEA - KIX

3 stops27h 56mCathay Pacific

Deal found 12/9

$1,313

Best flights from Osaka to Seattle
Discover carefully curated flight deals from Osaka to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 9, 2025.

Wed 1/2111:55 amKIX - SEA

1 stop14h 05mKorean Air

Wed 1/2811:00 amSEA - KIX

1 stop32h 50mKorean Air

Deal found 12/7

$687

Wed 1/212:40 pmITM - SEA

1 stop13h 00mMultiple Airlines

Wed 1/2812:20 pmSEA - ITM

1 stop14h 35mMultiple Airlines

Deal found 12/7

$718

Wed 1/219:00 amKIX - SEA

1 stop21h 20mDelta

Fri 2/2011:25 amSEA - KIX

1 stop16h 20mDelta

Deal found 12/8

$776

Thu 1/229:05 pmKIX - SEA

1 stop30h 35mAlaska Airlines

Fri 2/2712:50 pmSEA - KIX

1 stop26h 35mAlaska Airlines

Deal found 12/8

$792

Fri 1/233:25 pmITM - SEA

2 stops25h 34mAmerican Airlines

Tue 1/276:38 pmSEA - ITM

2 stops21h 02mAmerican Airlines

Deal found 12/8

$810

Wed 1/219:10 pmKIX - SEA

2 stops38h 39mMultiple Airlines

Wed 1/283:45 pmSEA - KIX

1 stop13h 35mMultiple Airlines

Deal found 12/7

$779

Thu 1/156:10 pmKIX - SEA

1 stop31h 50mKorean Air

Mon 2/1611:00 amSEA - KIX

1 stop16h 45mKorean Air

Deal found 12/8

$781

Tue 3/2411:55 amKIX - SEA

1 stop14h 05mKorean Air

Fri 4/1712:50 pmSEA - KIX

1 stop16h 10mKorean Air

Deal found 12/7

$790

Thu 1/228:00 amKIX - SEA

2 stops29h 39mMultiple Airlines

Thu 1/2911:00 amSEA - KIX

1 stop16h 45mMultiple Airlines

Deal found 12/8

$794

Tue 3/244:30 pmITM - SEA

2 stops22h 22mAmerican Airlines

Fri 4/176:05 amSEA - ITM

2 stops19h 30mAmerican Airlines

Deal found 12/7

$919

Wed 3/259:00 amKIX - SEA

1 stop17h 00mKorean Air

Fri 4/1712:50 pmSEA - KIX

1 stop30h 30mKorean Air

Deal found 12/7

$790

Thu 1/228:00 amKIX - SEA

2 stops27h 49mMultiple Airlines

Fri 2/273:45 pmSEA - KIX

1 stop13h 35mMultiple Airlines

Deal found 12/8

$809

Wed 3/257:30 amITM - SEA

2 stops27h 23mAmerican Airlines

Fri 4/176:05 amSEA - ITM

2 stops21h 00mAmerican Airlines

Deal found 12/7

$919

Sun 3/222:00 pmKIX - SEA

1 stop36h 00mKorean Air

Fri 4/1712:50 pmSEA - KIX

1 stop36h 15mKorean Air

Deal found 12/7

$790

Thu 1/158:00 amKIX - SEA

2 stops28h 16mMultiple Airlines

Mon 2/1610:05 amSEA - KIX

2 stops34h 20mMultiple Airlines

Deal found 12/8

$826

Thu 3/263:30 pmITM - SEA

2 stops19h 23mAmerican Airlines

Fri 4/176:05 amSEA - ITM

2 stops22h 25mAmerican Airlines

Deal found 12/7

$1,090

Thu 3/262:00 pmITM - SEA

2 stops23h 57mMultiple Airlines

Fri 4/174:30 pmSEA - ITM

1 stop22h 55mMultiple Airlines

Deal found 12/7

$951

Wed 3/251:00 pmITM - SEA

1 stop14h 10mMultiple Airlines

Fri 4/174:30 pmSEA - ITM

1 stop22h 55mMultiple Airlines

Deal found 12/7

$1,171

Last-minute flights from Osaka to Seattle
Discover last-minute flight deals from Osaka to Seattle. Data last updated December 9, 2025 and is based on user searches.

Thu 1/156:10 pmKIX - SEA

1 stop31h 50mKorean Air

Mon 2/1611:00 amSEA - KIX

1 stop16h 45mKorean Air

Deal found 12/8

$781

Wed 1/2111:55 amKIX - SEA

1 stop14h 05mKorean Air

Wed 1/2811:00 amSEA - KIX

1 stop32h 50mKorean Air

Deal found 12/7

$687

Wed 1/212:40 pmITM - SEA

1 stop13h 00mAlaska Airlines

Wed 1/2812:20 pmSEA - ITM

1 stop14h 35mAlaska Airlines

Deal found 12/7

$717

Wed 1/212:40 pmITM - SEA

1 stop13h 00mMultiple Airlines

Wed 1/2812:20 pmSEA - ITM

1 stop14h 35mMultiple Airlines

Deal found 12/7

$718

Wed 1/219:00 amKIX - SEA

1 stop21h 20mDelta

Fri 2/2011:25 amSEA - KIX

1 stop16h 20mDelta

Deal found 12/8

$776

Wed 1/219:10 pmKIX - SEA

2 stops38h 39mMultiple Airlines

Wed 1/283:45 pmSEA - KIX

1 stop13h 35mMultiple Airlines

Deal found 12/7

$779

Wed 1/218:00 amKIX - SEA

2 stops29h 39mMultiple Airlines

Fri 2/203:45 pmSEA - KIX

1 stop13h 35mMultiple Airlines

Deal found 12/8

$799

Thu 1/2211:55 amKIX - SEA

1 stop14h 05mKorean Air

Thu 1/2911:00 amSEA - KIX

1 stop16h 45mKorean Air

Deal found 12/8

$675

Thu 1/228:00 amKIX - SEA

2 stops31h 06mMultiple Airlines

Thu 1/295:50 amSEA - KIX

2 stops21h 45mMultiple Airlines

Deal found 12/8

$770

Thu 1/229:05 pmKIX - SEA

1 stop30h 35mAlaska Airlines

Fri 2/2012:50 pmSEA - KIX

1 stop26h 35mAlaska Airlines

Deal found 12/7

$792

Fri 1/239:00 amKIX - SEA

1 stop17h 00mKorean Air

Fri 1/3011:00 amSEA - KIX

1 stop32h 50mKorean Air

Deal found 12/9

$758

Fri 1/238:00 amKIX - SEA

2 stops41h 58mMultiple Airlines

Fri 1/307:00 amSEA - KIX

1 stop18h 45mMultiple Airlines

Deal found 12/9

$791

One-way flights from Osaka to Seattle
Search for one-way flight options from Osaka to Seattle. Find affordable one-way fares based on user searches. Data last updated December 9, 2025.

Fri 1/239:10 pmKIX - SEA

3 stops55h 09mMultiple Airlines

Deal found 12/8

$369

Fri 3/202:35 pmKIX - SEA

1 stop34h 25mHainan Airlines

Deal found 12/8

$374

Fri 1/168:45 pmKIX - SEA

2 stops36h 46mMultiple Airlines

Deal found 12/9

$387

Wed 12/179:10 pmKIX - SEA

3 stops54h 01mMultiple Airlines

Deal found 12/7

$431

Fri 1/168:45 pmKIX - SEA

3 stops35h 53mAlaska Airlines

Deal found 12/9

$452

Fri 1/232:35 pmKIX - SEA

1 stop34h 25mHainan Airlines

Deal found 12/8

$454

Sun 3/1512:45 pmKIX - SEA

1 stop22h 25mChina Airlines

Deal found 12/7

$503

Sat 3/1412:45 pmKIX - SEA

1 stop22h 25mChina Airlines

Deal found 12/9

$504

Wed 12/176:10 pmKIX - SEA

1 stop17h 00mEVA Air

Deal found 12/7

$507

Tue 4/149:45 pmKIX - SEA

3 stops38h 20mMultiple Airlines

Deal found 12/7

$521

Fri 3/209:00 amITM - SEA

2 stops31h 42mMultiple Airlines

Deal found 12/8

$552

Tue 1/68:10 pmITM - SEA

3 stops54h 51mMultiple Airlines

Deal found 12/7

$573

Find flight deals from Osaka to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$675 (Flightnetwork)
One-way from	$369 (Kiwi.com)
Popular in	September
Cheapest in	May
Average price	$846

Provider with most accurate pricing for Osaka (OSA)-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Osaka (OSA)-Seattle/Tacoma Intl flights.

Search Deals

From Osaka (OSA) to Seattle/Tacoma Intl

Search Deals

One-way flight from Osaka (OSA) to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($92 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 1/21

11:55 am-9:00 am

1 stop14h 05m

Seattle/Tacoma Intl

Wed 1/28

11:00 am-12:50 pm

1 stop32h 50m

$687

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 1/21

2:40 pm-10:40 am

1 stop13h 00m

Seattle/Tacoma Intl

Wed 1/28

12:20 pm-7:55 pm

1 stop14h 35m

$718

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 1/21

9:00 am-1:20 pm

1 stop21h 20m

Seattle/Tacoma Intl

Fri 2/20

11:25 am-8:45 pm

1 stop16h 20m

$776

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 1/21

9:10 pm-6:49 pm

2 stops38h 39m

Seattle/Tacoma Intl

Wed 1/28

3:45 pm-10:20 pm

1 stop13h 35m

$779

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 1/15

6:10 pm-9:00 am

1 stop31h 50m

Seattle/Tacoma Intl

Mon 2/16

11:00 am-8:45 pm

1 stop16h 45m

$781

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 3/24

11:55 am-10:00 am

1 stop14h 05m

Seattle/Tacoma Intl

Fri 4/17

12:50 pm-9:00 pm

1 stop16h 10m

$790

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 3/25

9:00 am-10:00 am

1 stop17h 00m

Seattle/Tacoma Intl

Fri 4/17

12:50 pm-11:20 am

1 stop30h 30m

$790

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 3/22

2:00 pm-10:00 am

1 stop36h 00m

Seattle/Tacoma Intl

Fri 4/17

12:50 pm-5:05 pm

1 stop36h 15m

$790

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 1/22

9:05 pm-10:40 am

1 stop30h 35m

Seattle/Tacoma Intl

Fri 2/27

12:50 pm-8:25 am

1 stop26h 35m

$792

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 1/22

8:00 am-8:39 pm

2 stops29h 39m

Seattle/Tacoma Intl

Thu 1/29

11:00 am-8:45 pm

1 stop16h 45m

$794

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 35 results

Compare providers for flights from Osaka to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka to Seattle in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Osaka-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Osaka-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Osaka to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Osaka with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Osaka to Seattle

What is the cheapest time of day to fly from OSA to SEA?

A simple way to save on the total cost of your ticket is to fly from Osaka to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Seattle

See what other customers who have flown with STARLUX Airlines, EVA Air, and ANA from Osaka to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

8.9

Very good

243 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

STARLUX Airlines

8.9

Very good

243 reviews

STARLUX Airlines

8.9

Very good

243 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

EVA Air

8.5

Very good

1,296 reviews

STARLUX Airlines

8.9

Very good

243 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

ANA

8.4

Very good

1,020 reviews

STARLUX Airlines

8.9

Very good

243 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

What airport do you fly into for flights to Seattle from Osaka?
If you book a flight to Seattle from Osaka, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Osaka to Seattle/Tacoma Intl per day from 0 different airlines.
How long is the flight from Osaka to Seattle?
For as low as $687, Korean Air can have you in Seattle from Osaka in 14h 05m. Osaka and Seattle are separated by a distance of 5024 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Osaka to Seattle one-way?
For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $309. Users have also found prices from $420 and $424 on Korean Air and Air Canada, respectively.
Can I find deals for flights from Osaka to Seattle that include hotel bookings?
Yes. In addition to deals on Osaka to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Osaka to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka to Seattle.
Can I find deals for business class flights from Osaka to Seattle?
Yes. Cheapflights offers flight deals from Osaka to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Tacoma

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Puyallup

Kirkland

Tukwila

Kent

Cle Elum

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Leavenworth

Fife

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Shoreline

Centralia

Federal Way

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$369+ Cheap flights from Osaka (OSA) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Osaka to Seattle with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Osaka to Seattle

Cheapest flights from Osaka to SeattleExplore the most affordable flight options available from Osaka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Explore the most affordable flight options available from Osaka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Find flight deals from Osaka to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Osaka to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka to Seattle in December.

Best time to book a flight from Osaka to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Osaka with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Osaka to Seattle

What is the cheapest time of day to fly from OSA to SEA?

Find hourly flight availability from Osaka to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.

Reviews of airlines servicing Seattle

See what other customers who have flown with STARLUX Airlines, EVA Air, and ANA from Osaka to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Osaka to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Seattle from Osaka?

How long is the flight from Osaka to Seattle?

What are the cheapest airlines to fly from Osaka to Seattle one-way?

Can I find deals for flights from Osaka to Seattle that include hotel bookings?

How can I find direct flights from Osaka to Seattle?

Can I find deals for business class flights from Osaka to Seattle?

Traveling to a place near Seattle?

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Alternative routes for Osaka to Seattle

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Cheapest flights from Osaka to Seattle
Explore the most affordable flight options available from Osaka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.