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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $422

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 1/24. 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 Kansai Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:35 pm - 7:27 pm
KIX
-
IAD
38h 52m1 stop
United Airlines Logo
10:10 pm - 4:40 pm
IAD
-
KIX
28h 30m1 stop
$1,063United Airlines
Mon, Mar 2 - Tue, Mar 3
United Airlines Logo
8:20 am - 3:40 pm
KIX
-
IAD
21h 20m1 stop
United Airlines Logo
10:10 pm - 4:40 pm
IAD
-
KIX
28h 30m1 stop
$1,065United Airlines
Fri, Feb 27 - Thu, Mar 5
United Airlines Logo
6:35 pm - 7:07 am
KIX
-
IAD
26h 32m1 stop
United Airlines Logo
10:10 pm - 4:40 pm
IAD
-
KIX
28h 30m1 stop
$1,069United Airlines
Sat, Feb 28 - Fri, Mar 6
United Airlines Logo
8:30 am - 3:40 pm
KIX
-
IAD
20h 10m1 stop
United Airlines Logo
10:10 pm - 2:50 pm
IAD
-
KIX
27h 40m1 stop
$1,071United Airlines
Mon, Mar 30 - Wed, Apr 8
ANA Logo
6:45 am - 9:10 am
KIX
-
IAD
16h 25m1 stop
ANA Logo
11:10 am - 7:25 pm
IAD
-
KIX
18h 15m1 stop
$1,119ANA
Wed, Feb 11 - Tue, Feb 17
Air Canada Logo
7:25 pm - 9:23 pm
KIX
-
IAD
39h 58m2 stops
Air Canada Logo
4:30 pm - 5:40 pm
IAD
-
KIX
35h 10m2 stops
$1,131Air Canada
Mon, Mar 2 - Sat, Mar 7
Multiple Airlines Logo
8:20 am - 8:29 pm
KIX
-
IAD
26h 09m2 stops
Multiple Airlines Logo
9:00 am - 1:25 pm
IAD
-
KIX
38h 25m2 stops
$1,137Multiple Airlines
Sun, Feb 1 - Thu, Feb 19
Air Canada Logo
3:45 pm - 4:30 pm
KIX
-
IAD
38h 45m2 stops
Air Canada Logo
9:00 am - 7:25 pm
IAD
-
KIX
20h 25m2 stops
$1,142Air Canada
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
3:45 pm - 11:48 am
KIX
-
IAD
34h 03m2 stops
Air Canada Logo
9:00 am - 7:25 pm
IAD
-
KIX
20h 25m2 stops
$1,149Air Canada
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
10:50 am - 4:31 pm
KIX
-
IAD
43h 41m2 stops
American Airlines Logo
5:26 pm - 8:35 pm
IAD
-
KIX
37h 09m2 stops
$1,161American Airlines
Thu, Jan 22 - Mon, Jan 26

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

Our best ANA deals on Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
ANA
Feb 11
KIX6:45 amOsaka Kansai Intl
16h 25m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 17
IAD11:10 amWashington, D.C. Dulles Intl
18h 15m
1 stop
KIX7:25 pmOsaka Kansai Intl
$1,119
Find similar
ANA
Dec 19
KIX6:45 amOsaka Kansai Intl
16h 25m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Jan 4
IAD11:10 amWashington, D.C. Dulles Intl
20h 40m
1 stop
KIX9:50 pmOsaka Kansai Intl
$1,797
Find similar
ANA
Dec 19
KIX6:45 amOsaka Kansai Intl
16h 25m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Jan 5
IAD11:10 amWashington, D.C. Dulles Intl
18h 15m
1 stop
KIX7:25 pmOsaka Kansai Intl
$1,798
Find similar

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

Our best KLM deals on Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Mar 3
KIX1:00 pmOsaka Kansai Intl
41h 28m
2 stops
IAD4:28 pmWashington, D.C. Dulles Intl
Mar 7
IAD6:50 pmWashington, D.C. Dulles Intl
26h 00m
1 stop
KIX10:50 amOsaka Kansai Intl
$1,442
Find similar
KLM
Dec 24
KIX12:45 pmOsaka Kansai Intl
41h 50m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Jan 7
IAD6:50 pmWashington, D.C. Dulles Intl
26h 00m
1 stop
KIX10:50 amOsaka Kansai Intl
$1,509
Find similar
KLM
Dec 19
KIX12:45 pmOsaka Kansai Intl
41h 20m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Jan 4
IAD6:05 pmWashington, D.C. Dulles Intl
27h 15m
1 stop
KIX11:20 amOsaka Kansai Intl
$2,198
Find similar

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 December 11, 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

Mon 3/2

6:35 pm-7:27 pm

1 stop38h 52m

Washington, D.C. Dulles Intl

Tue 3/3

10:10 pm-4:40 pm

1 stop28h 30m

$1,063

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 2/27

8:20 am-3:40 pm

1 stop21h 20m

Washington, D.C. Dulles Intl

Thu 3/5

10:10 pm-4:40 pm

1 stop28h 30m

$1,065

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 2/28

6:35 pm-7:07 am

1 stop26h 32m

Washington, D.C. Dulles Intl

Fri 3/6

10:10 pm-4:40 pm

1 stop28h 30m

$1,069

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/30

8:30 am-3:40 pm

1 stop20h 10m

Washington, D.C. Dulles Intl

Wed 4/8

10:10 pm-2:50 pm

1 stop27h 40m

$1,071

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 2/11

6:45 am-9:10 am

1 stop16h 25m

Washington, D.C. Dulles Intl

Tue 2/17

11:10 am-7:25 pm

1 stop18h 15m

$1,119

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/2

7:25 pm-9:23 pm

2 stops39h 58m

Washington, D.C. Dulles Intl

Sat 3/7

4:30 pm-5:40 pm

2 stops35h 10m

$1,131

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 2/1

8:20 am-8:29 pm

2 stops26h 09m

Washington, D.C. Dulles Intl

Thu 2/19

9:00 am-1:25 pm

2 stops38h 25m

$1,137

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/22

3:45 pm-4:30 pm

2 stops38h 45m

Washington, D.C. Dulles Intl

Mon 1/26

9:00 am-7:25 pm

2 stops20h 25m

$1,142

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/22

3:45 pm-11:48 am

2 stops34h 03m

Washington, D.C. Dulles Intl

Mon 1/26

9:00 am-7:25 pm

2 stops20h 25m

$1,149

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/22

10:50 am-4:31 pm

2 stops43h 41m

Washington, D.C. Dulles Intl

Mon 1/26

5:26 pm-8:35 pm

2 stops37h 09m

$1,161

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 68% 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

Fastest flight time

19h 26m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport takes 19h 26m
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.
Search flight deals

  • 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 19h 26m, 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
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Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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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