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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $416

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, D.C. departing on 12/5. 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

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Alaska Airlines Logo
8:45 pm - 4:26 pmKIX-IAD
33h 41m2 stops
Alaska Airlines Logo
6:55 pm - 6:45 pmIAD-KIX
34h 50m2 stops
$1,203Alaska Airlines
Find Deal
Tue, Jan 13 - Tue, Mar 17
Alaska Airlines Logo
8:45 pm - 4:26 pmKIX-IAD
33h 41m2 stops
Alaska Airlines Logo
6:55 pm - 6:45 pmIAD-KIX
34h 50m2 stops
$1,225Alaska Airlines
Find Deal
Wed, Jan 14 - Tue, Mar 17
Air China Logo
5:10 pm - 6:30 pmKIX-IAD
39h 20m1 stop
Air China Logo
10:00 pm - 8:10 pmIAD-KIX
32h 10m1 stop
$1,238Air China
Find Deal
Mon, Dec 22 - Fri, Jan 2
Multiple Airlines Logo
9:00 am - 4:26 pmKIX-IAD
45h 26m2 stops
Multiple Airlines Logo
6:55 pm - 8:40 amIAD-KIX
24h 45m2 stops
$1,249Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Mar 18
Air China Logo
5:10 pm - 6:30 pmKIX-IAD
39h 20m1 stop
Air China Logo
11:00 pm - 4:00 pmIAD-KIX
28h 00m1 stop
$1,263Air China
Find Deal
Mon, Jan 12 - Tue, Mar 17
Multiple Airlines Logo
6:10 pm - 4:26 pmKIX-IAD
36h 16m2 stops
Multiple Airlines Logo
6:55 pm - 9:55 amIAD-KIX
26h 00m2 stops
$1,301Multiple Airlines
Find Deal
Tue, Jan 13 - Wed, Mar 18
Asiana Airlines Logo
9:00 am - 6:29 pmKIX-IAD
23h 29m2 stops
Asiana Airlines Logo
6:00 pm - 8:40 amIAD-KIX
25h 40m2 stops
$1,516Asiana Airlines
Find Deal
Tue, Jan 13 - Thu, Mar 19
Air Canada Logo
6:05 pm - 9:00 pmKIX-IAD
39h 55m2 stops
Air Canada Logo
9:55 am - 4:25 pmIAD-KIX
41h 30m2 stops
$1,540Air Canada
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Tue, Apr 14 - Sat, Apr 18
Air Canada Logo
6:05 pm - 4:25 pmKIX-IAD
35h 20m2 stops
Air Canada Logo
9:55 am - 4:25 pmIAD-KIX
41h 30m2 stops
$1,548Air Canada
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Tue, Apr 14 - Sat, Apr 18
Asiana Airlines Logo
10:30 am - 8:35 pmKIX-IAD
48h 05m2 stops
Asiana Airlines Logo
4:00 pm - 8:40 amIAD-KIX
27h 40m2 stops
$1,561Asiana Airlines
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Thu, Jan 15 - Fri, Mar 20

Air China flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air China
Dec 22
KIX5:10 pmOsaka Kansai Intl
39h 20m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Jan 2
IAD10:00 pmWashington, D.C. Dulles Intl
32h 10m
1 stop
KIX8:10 pmOsaka Kansai Intl
$1,238
Find similar
Air China
Jan 12
KIX5:10 pmOsaka Kansai Intl
39h 20m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 17
IAD11:00 pmWashington, D.C. Dulles Intl
28h 00m
1 stop
KIX4:00 pmOsaka Kansai Intl
$1,263
Find similar

United Airlines flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 19
KIX6:35 pmOsaka Kansai Intl
24h 44m
2 stops
IAD5:19 amWashington, D.C. Dulles Intl
Jan 4
IAD10:05 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,556
Find similar
United Airlines
Apr 14
KIX4:55 pmOsaka Kansai Intl
31h 19m
2 stops
IAD11:14 amWashington, D.C. Dulles Intl
Apr 18
IAD2:30 pmWashington, D.C. Dulles Intl
35h 20m
1 stop
KIX2:50 pmOsaka Kansai Intl
$1,564
Find similar
United Airlines
Jan 12
KIX8:20 amOsaka Kansai Intl
21h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Mar 16
IAD6:25 amWashington, D.C. Dulles Intl
21h 15m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,572
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momondo Fare Finder

 
Customize your flight search to find flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport 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 October 29, 2025.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 1/13

8:45 pm-4:26 pm

2 stops33h 41m

Washington, D.C. Dulles Intl

Tue 3/17

6:55 pm-6:45 pm

2 stops34h 50m

$1,203

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 1/14

8:45 pm-4:26 pm

2 stops33h 41m

Washington, D.C. Dulles Intl

Tue 3/17

6:55 pm-6:45 pm

2 stops34h 50m

$1,225

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 12/22

5:10 pm-6:30 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-8:10 pm

1 stop32h 10m

$1,238

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 1/14

9:00 am-4:26 pm

2 stops45h 26m

Washington, D.C. Dulles Intl

Wed 3/18

6:55 pm-8:40 am

2 stops24h 45m

$1,249

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 1/12

5:10 pm-6:30 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Tue 3/17

11:00 pm-4:00 pm

1 stop28h 00m

$1,263

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 1/13

6:10 pm-4:26 pm

2 stops36h 16m

Washington, D.C. Dulles Intl

Wed 3/18

6:55 pm-9:55 am

2 stops26h 00m

$1,301

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 1/13

9:00 am-6:29 pm

2 stops23h 29m

Washington, D.C. Dulles Intl

Thu 3/19

6:00 pm-8:40 am

2 stops25h 40m

$1,516

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 4/14

6:05 pm-9:00 pm

2 stops39h 55m

Washington, D.C. Dulles Intl

Sat 4/18

9:55 am-4:25 pm

2 stops41h 30m

$1,540

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 4/14

6:05 pm-4:25 pm

2 stops35h 20m

Washington, D.C. Dulles Intl

Sat 4/18

9:55 am-4:25 pm

2 stops41h 30m

$1,548

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/15

10:30 am-8:35 pm

2 stops48h 05m

Washington, D.C. Dulles Intl

Fri 3/20

4:00 pm-8:40 am

2 stops27h 40m

$1,561

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,638. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport for around $1,964.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Osaka Kansai Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,638 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,966 on average. Flights to Washington, D.C. Dulles Intl Airport from Osaka Kansai Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport (KIX to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport.
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  • How far is Osaka Kansai Intl to Washington, D.C. Dulles Intl by plane?

    A flight from Osaka Kansai Intl to Washington, D.C. Dulles Intl will travel around 6948.0 mi. Flights usually cover this in 16h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

Why use momondo?

Why should I use momondo to find a flight deal from Osaka to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Osaka to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Osaka to Washington, D.C. with flexible booking policies on momondo?

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

How can momondo help me find flights from Osaka to Washington, D.C.?

Once all potential Osaka to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Osaka to Washington, D.C. 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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