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Cheap flights from Osaka Kansai Intl Airport to Washington from $394

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 Kansai Intl Airport to Washington departing on 3/13. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:25 pm - 7:16 pm
KIX
-
SEA
16h 51m
1 stop
Air Canada Logo
8:00 pm - 5:40 pm
SEA
-
KIX
28h 40m
1 stop
$720Air Canada
Thu, Mar 5 - Sat, Mar 7
Air Canada Logo
6:00 pm - 2:22 pm
KIX
-
SEA
12h 22m
1 stop
Air Canada Logo
5:40 am - 4:25 pm
SEA
-
KIX
18h 45m
1 stop
$722Air Canada
Tue, Jun 23 - Wed, Sep 16
Air Canada Logo
6:00 pm - 6:32 pm
KIX
-
SEA
16h 32m
1 stop
Air Canada Logo
5:40 am - 4:25 pm
SEA
-
KIX
18h 45m
1 stop
$724Air Canada
Tue, Jun 23 - Wed, Sep 16
Multiple Airlines Logo
7:50 pm - 9:15 am
KIX
-
SEA
53h 25m
2 stops
Multiple Airlines Logo
3:00 pm - 4:25 pm
SEA
-
KIX
33h 25m
1 stop
$755Multiple Airlines
Sun, Jun 14 - Tue, Jun 23
Korean Air Logo
9:05 am - 3:06 pm
KIX
-
PDX
22h 01m
2 stops
Korean Air Logo
11:10 am - 9:00 pm
PDX
-
KIX
17h 50m
2 stops
$765Korean Air
Wed, Jul 22 - Wed, Aug 5
Multiple Airlines Logo
10:50 am - 7:16 pm
KIX
-
SEA
25h 26m
2 stops
Multiple Airlines Logo
3:40 pm - 5:40 pm
SEA
-
KIX
33h 00m
1 stop
$770Multiple Airlines
Thu, Mar 5 - Sat, Mar 7
EVA Air Logo
10:55 am - 7:10 pm
KIX
-
SEA
24h 15m
1 stop
EVA Air Logo
11:50 pm - 9:55 am
SEA
-
KIX
18h 05m
1 stop
$801EVA Air
Thu, Mar 12 - Sat, Mar 14
China Airlines Logo
1:10 pm - 7:15 pm
KIX
-
SEA
22h 05m
1 stop
China Airlines Logo
1:15 am - 12:00 pm
SEA
-
KIX
18h 45m
1 stop
$802China Airlines
Sun, Jun 14 - Sun, Jun 21
China Airlines Logo
1:10 pm - 7:15 pm
KIX
-
SEA
22h 05m
1 stop
China Airlines Logo
1:15 am - 6:05 pm
SEA
-
KIX
24h 50m
1 stop
$808China Airlines
Sun, Jun 14 - Sun, Jun 21
Korean Air Logo
9:05 am - 4:10 pm
KIX
-
PDX
23h 05m
2 stops
Korean Air Logo
7:55 pm - 11:20 am
PDX
-
KIX
23h 25m
2 stops
$925Korean Air
Mon, Jun 29 - Thu, Jul 16

China Airlines flights from Osaka Kansai Intl Airport to State of Washington

Our best China Airlines deals on Osaka Kansai Intl Airport to State of Washington flight tickets
China Airlines
Jun 14
KIX1:10 pmOsaka Kansai Intl
22h 05m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 21
SEA1:15 amSeattle/Tacoma Intl
18h 45m
1 stop
KIX12:00 pmOsaka Kansai Intl
$802
China Airlines
Jun 14
KIX1:10 pmOsaka Kansai Intl
22h 05m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 21
SEA1:15 amSeattle/Tacoma Intl
24h 50m
1 stop
KIX6:05 pmOsaka Kansai Intl
$808
China Airlines
Jun 14
KIX1:10 pmOsaka Kansai Intl
22h 05m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 22
SEA1:15 amSeattle/Tacoma Intl
24h 50m
1 stop
KIX6:05 pmOsaka Kansai Intl
$809

Asiana Airlines flights from Osaka Kansai Intl Airport to State of Washington

Our best Asiana Airlines deals on Osaka Kansai Intl Airport to State of Washington flight tickets
Asiana Airlines
Mar 6
KIX7:25 pmOsaka Kansai Intl
35h 30m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Mar 9
SEA12:10 amSeattle/Tacoma Intl
25h 55m
1 stop
KIX6:05 pmOsaka Kansai Intl
$817
Asiana Airlines
Mar 15
KIX10:30 amOsaka Kansai Intl
20h 25m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
Mar 21
SEA12:10 amSeattle/Tacoma Intl
25h 55m
1 stop
KIX6:05 pmOsaka Kansai Intl
$834
Asiana Airlines
Mar 22
KIX7:25 pmOsaka Kansai Intl
35h 30m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
Mar 28
SEA12:10 amSeattle/Tacoma Intl
16h 50m
1 stop
KIX9:00 amOsaka Kansai Intl
$845

momondo Fare Finder

 
Customize your flight search to find flights from Osaka Kansai Intl Airport 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 February 6, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 3/5

7:25 pm-7:16 pm

1 stop16h 51m

Seattle/Tacoma Intl

Sat 3/7

8:00 pm-5:40 pm

1 stop28h 40m

$720

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

5:40 am-4:25 pm

1 stop18h 45m

$722

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 6/23

6:00 pm-6:32 pm

1 stop16h 32m

Seattle/Tacoma Intl

Wed 9/16

5:40 am-4:25 pm

1 stop18h 45m

$724

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 6/14

7:50 pm-9:15 am

2 stops53h 25m

Seattle/Tacoma Intl

Tue 6/23

3:00 pm-4:25 pm

1 stop33h 25m

$755

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Wed 7/22

9:05 am-3:06 pm

2 stops22h 01m

Portland

Wed 8/5

11:10 am-9:00 pm

2 stops17h 50m

$765

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 3/5

10:50 am-7:16 pm

2 stops25h 26m

Seattle/Tacoma Intl

Sat 3/7

3:40 pm-5:40 pm

1 stop33h 00m

$770

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 3/12

10:55 am-7:10 pm

1 stop24h 15m

Seattle/Tacoma Intl

Sat 3/14

11:50 pm-9:55 am

1 stop18h 05m

$801

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 6/14

1:10 pm-7:15 pm

1 stop22h 05m

Seattle/Tacoma Intl

Sun 6/21

1:15 am-12:00 pm

1 stop18h 45m

$802

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 6/14

1:10 pm-7:15 pm

1 stop22h 05m

Seattle/Tacoma Intl

Sun 6/21

1:15 am-6:05 pm

1 stop24h 50m

$808

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Mon 6/29

9:05 am-4:10 pm

2 stops23h 05m

Portland

Thu 7/16

7:55 pm-11:20 am

2 stops23h 25m

$925

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 Kansai Intl Airport 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

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

You could potentially save up to 7% on your flight if you consider stops on a Osaka Kansai Intl Airport to State of Washington flight.

Cheap Osaka Kansai Intl Airport to State of Washington flight deals and tips

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

Fastest flight time

16h 32m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to State of Washington takes 16h 32m
There are no direct flights from Osaka Kansai Intl Airport to State of Washington. There are no popular flight routes from Osaka Kansai Intl Airport to State of Washington.
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  • When did momondo last update prices for flights from Osaka Kansai Intl Airport to Washington?

    Prices for flights from Osaka Kansai Intl Airport to Washington refresh daily.

  • How old do you have to be to fly from Osaka Kansai Intl Airport 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 Kansai Intl Airport to Washington.

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

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Osaka to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

All flight searches from Osaka to Washington on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for Osaka to Washington 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.

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