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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Itami Airport 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.

$456 Cheap Flights from Osaka Itami Airport to State of Washington in 2025/26

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4:30 pm - 10:44 pmITM-SEA

23h 14m2 stops

6:00 am - 8:40 amSEA-ITM

33h 40m2 stops

$884American Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 31

12:00 pm - 2:20 pmITM-SEA

19h 20m2 stops

3:45 pm - 7:30 amSEA-ITM

22h 45m1 stop

$935Multiple Airlines

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Thu, Dec 18 - Wed, Dec 31

2:40 pm - 10:50 amITM-SEA

13h 10m1 stop

12:35 pm - 7:55 pmSEA-ITM

14h 20m1 stop

$1,477Alaska Airlines

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Mon, Dec 8 - Mon, Dec 15

2:40 pm - 9:55 amITM-SEA

12h 15m1 stop

12:30 pm - 7:55 pmSEA-ITM

14h 25m1 stop

$1,485Japan Airlines

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Wed, Jan 14 - Wed, Jan 28

7:25 am - 9:50 amITM-SEA

19h 25m1 stop

12:10 pm - 7:55 pmSEA-ITM

14h 45m1 stop

$1,576Japan Airlines

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Thu, Dec 18 - Wed, Dec 31

11:00 am - 1:20 pmITM-SEA

19h 20m1 stop

10:05 am - 8:10 amSEA-ITM

29h 05m2 stops

$1,580ANA

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Thu, Dec 25 - Thu, Jan 1

4:00 pm - 1:20 pmITM-SEA

14h 20m1 stop

10:05 am - 8:10 amSEA-ITM

29h 05m2 stops

$1,628ANA

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Thu, Nov 20 - Mon, Nov 24

2:40 pm - 10:40 amITM-SEA

13h 00m1 stop

12:05 pm - 7:50 pmSEA-ITM

14h 45m1 stop

$1,663Alaska Airlines

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Thu, Nov 20 - Mon, Nov 24

1:00 pm - 1:38 pmITM-SEA

17h 38m2 stops

7:00 am - 6:10 pmSEA-ITM

18h 10m2 stops

$1,762United Airlines

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Thu, Nov 20 - Mon, Nov 24

1:00 pm - 9:07 pmITM-SEA

25h 07m3 stops

5:00 am - 6:10 pmSEA-ITM

20h 10m2 stops

$1,863United Airlines

Find Deal

Thu, Dec 25 - Thu, Jan 1

American Airlines flights from Osaka Itami Airport to State of Washington

Our best American Airlines deals on Osaka Itami Airport to State of Washington flight tickets

American Airlines

Dec 18

ITM4:30 pmOsaka Itami

23h 14m

2 stops

SEA10:44 pmSeattle/Tacoma Intl

Dec 31

SEA6:00 amSeattle/Tacoma Intl

33h 40m

2 stops

ITM8:40 amOsaka Itami

$884

Find similar

American Airlines

Dec 8

ITM4:30 pmOsaka Itami

18h 50m

2 stops

SEA6:20 pmSeattle/Tacoma Intl

Dec 15

SEA6:25 amSeattle/Tacoma Intl

19h 20m

2 stops

ITM6:45 pmOsaka Itami

$1,731

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American Airlines

Apr 29

ITM4:30 pmOsaka Itami

18h 08m

2 stops

SEA6:38 pmSeattle/Tacoma Intl

May 5

SEA1:30 pmSeattle/Tacoma Intl

14h 20m

1 stop

ITM7:50 pmOsaka Itami

$1,766

Find similar

Alaska Airlines flights from Osaka Itami Airport to State of Washington

Our best Alaska Airlines deals on Osaka Itami Airport to State of Washington flight tickets

Alaska Airlines

Dec 8

ITM2:40 pmOsaka Itami

13h 10m

1 stop

SEA10:50 amSeattle/Tacoma Intl

Dec 15

SEA12:35 pmSeattle/Tacoma Intl

14h 20m

1 stop

ITM7:55 pmOsaka Itami

$1,477

Find similar

Alaska Airlines

Nov 20

ITM2:40 pmOsaka Itami

13h 00m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Nov 24

SEA12:05 pmSeattle/Tacoma Intl

14h 45m

1 stop

ITM7:50 pmOsaka Itami

$1,663

Find similar

Alaska Airlines

Nov 20

ITM2:40 pmOsaka Itami

13h 00m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Nov 24

SEA12:05 pmSeattle/Tacoma Intl

14h 45m

1 stop

ITM7:50 pmOsaka Itami

$2,146

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momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 12/18

4:30 pm-10:44 pm

2 stops23h 14m

Seattle/Tacoma Intl

Wed 12/31

6:00 am-8:40 am

2 stops33h 40m

$884

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 12/18

12:00 pm-2:20 pm

2 stops19h 20m

Seattle/Tacoma Intl

Wed 12/31

3:45 pm-7:30 am

1 stop22h 45m

$935

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 12/8

2:40 pm-10:50 am

1 stop13h 10m

Seattle/Tacoma Intl

Mon 12/15

12:35 pm-7:55 pm

1 stop14h 20m

$1,477

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 1/14

2:40 pm-9:55 am

1 stop12h 15m

Seattle/Tacoma Intl

Wed 1/28

12:30 pm-7:55 pm

1 stop14h 25m

$1,485

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 12/18

7:25 am-9:50 am

1 stop19h 25m

Seattle/Tacoma Intl

Wed 12/31

12:10 pm-7:55 pm

1 stop14h 45m

$1,576

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 12/25

11:00 am-1:20 pm

1 stop19h 20m

Seattle/Tacoma Intl

Thu 1/1

10:05 am-8:10 am

2 stops29h 05m

$1,580

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 11/20

4:00 pm-1:20 pm

1 stop14h 20m

Seattle/Tacoma Intl

Mon 11/24

10:05 am-8:10 am

2 stops29h 05m

$1,628

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 11/20

2:40 pm-10:40 am

1 stop13h 00m

Seattle/Tacoma Intl

Mon 11/24

12:05 pm-7:50 pm

1 stop14h 45m

$1,663

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 11/20

1:00 pm-1:38 pm

2 stops17h 38m

Seattle/Tacoma Intl

Mon 11/24

7:00 am-6:10 pm

2 stops18h 10m

$1,762

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 12/25

1:00 pm-9:07 pm

3 stops25h 07m

Seattle/Tacoma Intl

Thu 1/1

5:00 am-6:10 pm

2 stops20h 10m

$1,863

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Osaka Itami 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

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

Alaska Airlines, Hawaiian Airlines, and WestJet are the most popular carriers operating from Osaka Itami to Washington

Cheap Osaka Itami Airport to State of Washington flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Osaka Itami Airport to Washington?
Prices for flights from Osaka Itami Airport to Washington refresh daily.
How old do you have to be to fly from Osaka Itami Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Itami Airport 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.

Why use momondo?

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

Finding the right flight to Washington from Osaka is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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

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

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

Once you have performed a search for Osaka to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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Cheap flights from Osaka Itami Airport to Washington from $456

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Osaka Itami Airport to Washington

Cheap round-trip flights

Cheap one-way flights

American Airlines flights from Osaka Itami Airport to State of Washington

Our best American Airlines deals on Osaka Itami Airport to State of Washington flight tickets

Alaska Airlines flights from Osaka Itami Airport to State of Washington

Our best Alaska Airlines deals on Osaka Itami Airport to State of Washington flight tickets

momondo Fare Finder

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

See travel insights to Washington from

How to get the cheapest flight ticket from Osaka Itami 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

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

Alaska Airlines, Hawaiian Airlines, and WestJet are the most popular carriers operating from Osaka Itami to Washington

Cheap Osaka Itami Airport to State of Washington flight deals and tips

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

Direct flights

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your State of Washington 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 Washington

Popular cities in Washington

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