What is the cheapest airline that flies from Osaka to Washington?

Philippine Airlines and Alaska Airlines are the most popular carriers operating from Osaka to Washington

When did momondo last update prices for flights from Osaka to Washington?

Prices for flights from Osaka to Washington refresh daily.

How many operators does momondo search for flights from Osaka to Washington?

There is 1 operator available for flights from Osaka to Washington as of October 2026.

How old do you have to be to fly from Osaka to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Osaka to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$484 Cheap Flights from Osaka to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Osaka to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 pm - 9:35 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 50m1 stop Honolulu

7:00 am - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

18h 45m1 stop Honolulu

$848Multiple Airlines

Mon, Dec 21 - Wed, Jan 6

11:55 am - 2:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

19h 15m1 stop Incheon Intl

11:00 am - 8:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

16h 45m1 stop Incheon Intl

$878Korean Air

Thu, Dec 24 - Wed, Jan 6

2:00 pm - 11:51 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

14h 51m1 stop Incheon Intl

12:35 pm - 10:40 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

17h 05m1 stop Incheon Intl

$903Delta

Tue, Nov 24 - Tue, Dec 1

12:30 pm - 9:15 amITM Osaka Itami-SEA Seattle/Tacoma Intl

13h 45m1 stop Tokyo Haneda

12:00 pm - 7:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 55m1 stop Tokyo Narita

$969Multiple Airlines

Mon, Dec 21 - Wed, Jan 6

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

7:00 am - 4:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

16h 45m1 stop San Francisco

$1,018Multiple Airlines

Mon, Jan 25 - Fri, Jan 29

8:45 pm - 8:16 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

16h 31m1 stop Honolulu

6:30 pm - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 15m1 stop Honolulu

$1,079Multiple Airlines

Mon, Dec 14 - Mon, Dec 21

11:25 am - 9:15 amITM Osaka Itami-SEA Seattle/Tacoma Intl

14h 50m1 stop Tokyo Haneda

12:00 pm - 7:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 55m1 stop Tokyo Narita

$1,089Multiple Airlines

Thu, Dec 24 - Wed, Jan 6

3:30 pm - 3:57 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

17h 27m2 stops Tokyo Haneda Los Angeles

6:00 am - 6:40 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

19h 40m2 stops Los Angeles Tokyo Haneda

$1,097Multiple Airlines

Thu, Dec 24 - Sun, Jan 10

8:45 pm - 4:17 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

36h 32m1 stop Honolulu

7:00 am - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

18h 45m1 stop Honolulu

$1,099Multiple Airlines

Thu, Dec 24 - Sun, Jan 10

3:30 pm - 3:57 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

17h 27m2 stops Tokyo Haneda Los Angeles

6:00 am - 6:40 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

19h 40m2 stops Los Angeles Tokyo Haneda

$1,100Multiple Airlines

Thu, Dec 24 - Sun, Jan 10

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 pm - 6:33 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 48m2 stops Honolulu Los Angeles

3:40 pm - 8:25 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 45m1 stop Tokyo Haneda

$1,041Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

1:40 pm - 6:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Taiwan Taoyuan Intl

3:40 pm - 8:25 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 45m1 stop Tokyo Haneda

$1,131Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

10:05 am - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

25h 40m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:55 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

41h 25m1 stop Manila Ninoy Aquino Intl

$1,141Philippine Airlines

Wed, Nov 4 - Wed, Nov 18

10:05 am - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

25h 40m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:55 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

41h 25m1 stop Manila Ninoy Aquino Intl

$1,145Philippine Airlines

Wed, Nov 4 - Wed, Nov 18

9:20 pm - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 25m1 stop Manila Ninoy Aquino Intl

1:59 pm - 2:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 46m3 stops Los Angeles Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,315Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

4:15 pm - 8:45 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

33h 30m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

10:25 am - 12:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

33h 20m1 stop Hong Kong Intl

$1,350Cathay Pacific

Wed, Nov 4 - Wed, Nov 18

6:10 pm - 6:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Taipei City Taiwan Taoyuan Intl

9:39 pm - 11:55 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

21h 16m2 stops Vancouver Intl Taipei City Taiwan Taoyuan Intl

$1,356Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

4:15 pm - 8:45 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

33h 30m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

6:00 am - 6:20 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 20m2 stops Los Angeles Hong Kong Intl

$1,414Cathay Pacific

Wed, Nov 4 - Wed, Nov 18

5:00 pm - 9:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

21h 25m2 stops Tokyo Haneda Honolulu

9:05 am - 7:40 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

29h 35m2 stops Honolulu Tokyo Haneda

$1,453Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

9:50 am - 2:44 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

21h 54m2 stops Hong Kong Intl Vancouver Intl

10:03 am - 2:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 42m3 stops Vancouver Intl Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,458Cathay Pacific

Thu, Nov 5 - Thu, Nov 12

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Philippine Airlines flights from Osaka to State of Washington

Our best Philippine Airlines deals on Osaka to State of Washington flight tickets

Philippine Airlines

Jan 25

KIX10:05 amOsaka Kansai Intl

25h 40m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Jan 29

SEA9:30 pmSeattle/Tacoma Intl

23h 15m

1 stop

KIX1:45 pmOsaka Kansai Intl

$1,136

Philippine Airlines

Nov 12

KIX10:05 amOsaka Kansai Intl

25h 40m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Nov 16

SEA9:30 pmSeattle/Tacoma Intl

41h 25m

1 stop

KIX7:55 amOsaka Kansai Intl

$1,139

Philippine Airlines

Nov 12

KIX10:05 amOsaka Kansai Intl

25h 40m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Nov 16

SEA9:30 pmSeattle/Tacoma Intl

41h 25m

1 stop

KIX7:55 amOsaka Kansai Intl

$1,140

Cathay Pacific flights from Osaka to State of Washington

Our best Cathay Pacific deals on Osaka to State of Washington flight tickets

Cathay Pacific

Nov 4

KIX4:15 pmOsaka Kansai Intl

33h 30m

2 stops

SEA8:45 amSeattle/Tacoma Intl

Nov 18

SEA10:25 amSeattle/Tacoma Intl

33h 20m

1 stop

KIX12:45 pmOsaka Kansai Intl

$1,350

Cathay Pacific

Nov 4

KIX4:15 pmOsaka Kansai Intl

33h 30m

2 stops

SEA8:45 amSeattle/Tacoma Intl

Nov 18

SEA6:00 amSeattle/Tacoma Intl

31h 20m

2 stops

KIX6:20 amOsaka Kansai Intl

$1,414

Cathay Pacific

Nov 5

KIX9:50 amOsaka Kansai Intl

21h 54m

2 stops

SEA2:44 pmSeattle/Tacoma Intl

Nov 12

SEA10:03 amSeattle/Tacoma Intl

35h 42m

3 stops

KIX2:45 pmOsaka Kansai Intl

$1,458

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Mon 12/21

8:45 pm-9:35 pm

1 stop17h 50m

Seattle/Tacoma Intl

Wed 1/6

7:00 am-6:45 pm

1 stop18h 45m

$848

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Thu 12/24

11:55 am-2:10 pm

1 stop19h 15m

Seattle/Tacoma Intl

Wed 1/6

11:00 am-8:45 pm

1 stop16h 45m

$878

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Tue 11/24

2:00 pm-11:51 am

1 stop14h 51m

Seattle/Tacoma Intl

Tue 12/1

12:35 pm-10:40 pm

1 stop17h 05m

$903

Quickest round-trip

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Mon 12/21

12:30 pm-9:15 am

1 stop13h 45m

Seattle/Tacoma Intl

Wed 1/6

12:00 pm-7:55 pm

1 stop14h 55m

$969

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Mon 1/25

2:35 pm-8:20 am

1 stop34h 45m

Seattle/Tacoma Intl

Fri 1/29

7:00 am-4:45 pm

1 stop16h 45m

$1,018

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Mon 12/14

8:45 pm-8:16 pm

1 stop16h 31m

Seattle/Tacoma Intl

Mon 12/21

6:30 pm-6:45 pm

1 stop31h 15m

$1,079

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Thu 12/24

11:25 am-9:15 am

1 stop14h 50m

Seattle/Tacoma Intl

Wed 1/6

12:00 pm-7:55 pm

1 stop14h 55m

$1,089

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Thu 12/24

3:30 pm-3:57 pm

2 stops17h 27m

Seattle/Tacoma Intl

Sun 1/10

6:00 am-6:40 pm

2 stops19h 40m

$1,097

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Thu 12/24

8:45 pm-4:17 pm

1 stop36h 32m

Seattle/Tacoma Intl

Sun 1/10

7:00 am-6:45 pm

1 stop18h 45m

$1,099

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Thu 12/24

3:30 pm-3:57 pm

2 stops17h 27m

Seattle/Tacoma Intl

Sun 1/10

6:00 am-6:40 pm

2 stops19h 40m

$1,100

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 State of Washington

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

Can stopping save me money on Osaka to State of Washington flights?

You could potentially save up to 3% on your flight if you consider stops on a Osaka to State of Washington flight.

Cheap Osaka to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka to State of Washington

Best Price Found	$484
Fastest flight time	17h 27m
Direct flights	None

The best one-way flight to State of Washington from Osaka in the past 72 hours is $484. The best round-trip flight deal from Osaka to State of Washington found on momondo in the last 72 hours is $848.

The fastest flight from Osaka to State of Washington takes 17h 27m

There are no direct flights from Osaka to State of Washington. There are no popular flight routes from Osaka to State of Washington.

Search flight deals

Frequently asked questions about flying from Osaka to Washington

When did momondo last update prices for flights from Osaka to Washington?
Prices for flights from Osaka to Washington refresh daily.
How many operators does momondo search for flights from Osaka to Washington?
There is 1 operator available for flights from Osaka to Washington as of October 2026.
How old do you have to be to fly from Osaka to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Osaka to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Osaka to State of Washington

Compare and see reviews for airlines that fly from Osaka to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $794	Free Cancellation	Rating 7.1 11,833 reviews		Search Air Canada flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Osaka to Washington for you.

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

Yes. All flights to Washington from Osaka on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Osaka and Washington 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 Osaka to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Osaka to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.