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Cheap flights from Osaka to Washington from $438

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka to Washington departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Osaka to Washington

Cheap round-trip flights

Philippine Airlines Logo
10:20 am - 7:15 pmKIX-SEA
24h 55m1 stop
Philippine Airlines Logo
11:35 pm - 7:40 pmSEA-KIX
28h 05m1 stop
$700Philippine Airlines
Find Deal
Fri, Sep 19 - Fri, Sep 26
Air Canada Logo
6:05 pm - 6:46 pmKIX-PDX
16h 41m1 stop
Air Canada Logo
10:00 am - 4:25 pmPDX-KIX
14h 25m1 stop
$723Air Canada
Find Deal
Thu, Sep 11 - Mon, Sep 15
Asiana Airlines Logo
10:50 am - 12:30 pmKIX-SEA
17h 40m1 stop
Asiana Airlines Logo
12:10 am - 3:50 pmSEA-KIX
23h 40m1 stop
$725Asiana Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 28
Logo
3:10 pm - 7:54 amKIX-SEA
32h 44m2 stops
Logo
2:50 pm - 10:50 pmSEA-KIX
16h 00m1 stop
$742
Find Deal
Fri, Sep 19 - Fri, Sep 26
Asiana Airlines Logo
10:50 am - 1:55 pmKIX-SEA
20h 05m1 stop
Asiana Airlines Logo
12:10 am - 9:40 amSEA-KIX
16h 30m1 stop
$760Asiana Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Logo
11:50 am - 10:03 pmKIX-SEA
26h 13m2 stops
Logo
12:50 pm - 9:00 pmSEA-KIX
16h 10m1 stop
$828
Find Deal
Sat, Sep 13 - Mon, Sep 15
EVA Air Logo
1:10 pm - 7:30 pmKIX-SEA
22h 20m1 stop
EVA Air Logo
12:30 am - 12:10 pmSEA-KIX
19h 40m1 stop
$832EVA Air
Find Deal
Tue, Sep 2 - Thu, Sep 4
EVA Air Logo
6:30 pm - 7:30 pmKIX-SEA
17h 00m1 stop
EVA Air Logo
1:30 am - 10:10 amSEA-KIX
16h 40m1 stop
$848EVA Air
Find Deal
Sat, Sep 13 - Sun, Sep 14
ANA Logo
7:00 pm - 6:36 pmITM-SEA
15h 36m2 stops
ANA Logo
8:42 am - 6:55 pmSEA-ITM
18h 13m2 stops
$1,866ANA
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Sat, Oct 4 - Sat, Oct 11
ANA Logo
6:00 pm - 6:36 pmITM-SEA
16h 36m2 stops
ANA Logo
7:34 pm - 7:25 amSEA-ITM
19h 51m2 stops
$1,998ANA
Find Deal
Sat, Sep 13 - Mon, Sep 15

Philippine Airlines flights from Osaka to State of Washington

Our best Philippine Airlines deals on Osaka to State of Washington flight tickets
Philippine Airlines
Sep 19
KIX10:20 amOsaka Kansai Intl
24h 55m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Sep 26
SEA11:35 pmSeattle/Tacoma Intl
28h 05m
1 stop
KIX7:40 pmOsaka Kansai Intl
$700
Find similar
Philippine Airlines
Aug 31
KIX3:20 pmOsaka Kansai Intl
19h 55m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Nov 30
SEA9:30 pmSeattle/Tacoma Intl
23h 35m
1 stop
KIX2:05 pmOsaka Kansai Intl
$765
Find similar
Philippine Airlines
Aug 31
KIX3:20 pmOsaka Kansai Intl
19h 55m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Nov 30
SEA9:30 pmSeattle/Tacoma Intl
29h 05m
1 stop
KIX7:35 pmOsaka Kansai Intl
$829
Find similar

Asiana Airlines flights from Osaka to State of Washington

Our best Asiana Airlines deals on Osaka to State of Washington flight tickets
Asiana Airlines
Oct 16
KIX10:50 amOsaka Kansai Intl
17h 40m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Oct 28
SEA12:10 amSeattle/Tacoma Intl
23h 40m
1 stop
KIX3:50 pmOsaka Kansai Intl
$725
Find similar
Asiana Airlines
Nov 6
KIX10:50 amOsaka Kansai Intl
20h 05m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Nov 9
SEA12:10 amSeattle/Tacoma Intl
16h 30m
1 stop
KIX9:40 amOsaka Kansai Intl
$760
Find similar
Asiana Airlines
Oct 6
KIX10:50 amOsaka Kansai Intl
17h 40m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Oct 20
SEA2:15 pmSeattle/Tacoma Intl
35h 35m
1 stop
KIX5:50 pmOsaka Kansai Intl
$780
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Osaka to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Osaka to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 9/19

10:20 am-7:15 pm

1 stop24h 55m

Seattle/Tacoma Intl

Fri 9/26

11:35 pm-7:40 pm

1 stop28h 05m

$700

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Thu 9/11

6:05 pm-6:46 pm

1 stop16h 41m

Portland

Mon 9/15

10:00 am-4:25 pm

1 stop14h 25m

$723

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 10/16

10:50 am-12:30 pm

1 stop17h 40m

Seattle/Tacoma Intl

Tue 10/28

12:10 am-3:50 pm

1 stop23h 40m

$725

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 9/19

3:10 pm-7:54 am

2 stops32h 44m

Seattle/Tacoma Intl

Fri 9/26

2:50 pm-10:50 pm

1 stop16h 00m

$742

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 11/6

10:50 am-1:55 pm

1 stop20h 05m

Seattle/Tacoma Intl

Sun 11/9

12:10 am-9:40 am

1 stop16h 30m

$760

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 9/13

11:50 am-10:03 pm

2 stops26h 13m

Seattle/Tacoma Intl

Mon 9/15

12:50 pm-9:00 pm

1 stop16h 10m

$828

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 9/2

1:10 pm-7:30 pm

1 stop22h 20m

Seattle/Tacoma Intl

Thu 9/4

12:30 am-12:10 pm

1 stop19h 40m

$832

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 9/13

6:30 pm-7:30 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 9/14

1:30 am-10:10 am

1 stop16h 40m

$848

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 10/4

7:00 pm-6:36 pm

2 stops15h 36m

Seattle/Tacoma Intl

Sat 10/11

8:42 am-6:55 pm

2 stops18h 13m

$1,866

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 9/13

6:00 pm-6:36 pm

2 stops16h 36m

Seattle/Tacoma Intl

Mon 9/15

7:34 pm-7:25 am

2 stops19h 51m

$1,998

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Osaka to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $918. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Osaka to State of Washington for around $1,724.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $926. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,633 on average. Flights to State of Washington from Osaka in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
There are no direct flights from Osaka to State of Washington. There are no popular flight routes from Osaka to State of Washington.
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  • 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?

  • 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
Asiana AirlinesPriceFrom $852Free CancellationRating
8.2
475 reviews
Search Asiana Airlines 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.

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