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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $559

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 10/21. 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

Logo
12:25 pm - 9:38 amKIX-IAD
34h 13m3 stops
Logo
9:35 am - 10:50 pmIAD-KIX
24h 15m2 stops
$950
Find Deal
Thu, Sep 11 - Thu, Sep 18
Logo
6:30 pm - 7:33 amKIX-IAD
26h 03m2 stops
Logo
6:09 pm - 10:10 amIAD-KIX
27h 01m2 stops
$1,111
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
12:35 pm - 11:21 pmKIX-IAD
23h 46m2 stops
Delta Logo
9:50 am - 9:00 pmIAD-KIX
22h 10m2 stops
$1,130Delta
Find Deal
Tue, Aug 26 - Tue, Sep 16
Delta Logo
9:05 am - 11:21 pmKIX-IAD
27h 16m2 stops
Delta Logo
9:50 am - 9:00 pmIAD-KIX
22h 10m2 stops
$1,267Delta
Find Deal
Tue, Aug 26 - Tue, Sep 16
Air China Logo
9:00 am - 6:30 pmKIX-IAD
23h 30m1 stop
Air China Logo
10:00 pm - 4:00 pmIAD-KIX
28h 00m1 stop
$1,281Air China
Find Deal
Fri, Dec 19 - Tue, Jan 6
Air China Logo
9:00 am - 6:30 pmKIX-IAD
23h 30m1 stop
Air China Logo
10:00 pm - 8:10 pmIAD-KIX
32h 10m1 stop
$1,302Air China
Find Deal
Tue, Dec 16 - Tue, Jan 6
Alaska Airlines Logo
8:45 pm - 5:55 amKIX-IAD
23h 10m2 stops
Alaska Airlines Logo
6:55 pm - 6:45 pmIAD-KIX
33h 50m2 stops
$1,311Alaska Airlines
Find Deal
Tue, Dec 16 - Fri, Jan 9
Alaska Airlines Logo
8:45 pm - 6:13 amKIX-IAD
23h 28m2 stops
Alaska Airlines Logo
6:55 pm - 6:45 pmIAD-KIX
33h 50m2 stops
$1,343Alaska Airlines
Find Deal
Mon, Dec 22 - Fri, Jan 9
Air Canada Logo
6:05 pm - 11:33 amKIX-IAD
30h 28m2 stops
Air Canada Logo
10:20 am - 4:25 pmIAD-KIX
17h 05m1 stop
$1,356Air Canada
Find Deal
Tue, Aug 26 - Tue, Sep 16
Air Canada Logo
6:05 pm - 11:45 amKIX-IAD
30h 40m2 stops
Air Canada Logo
10:20 am - 4:25 pmIAD-KIX
17h 05m1 stop
$1,474Air Canada
Find Deal
Thu, Sep 11 - Thu, Sep 18

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

Our best Air Canada deals on Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Aug 26
KIX6:05 pmOsaka Kansai Intl
30h 28m
2 stops
IAD11:33 amWashington, D.C. Dulles Intl
Sep 16
IAD10:20 amWashington, D.C. Dulles Intl
17h 05m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,356
Find similar
Air Canada
Sep 11
KIX6:05 pmOsaka Kansai Intl
30h 40m
2 stops
IAD11:45 amWashington, D.C. Dulles Intl
Sep 18
IAD10:20 amWashington, D.C. Dulles Intl
17h 05m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,474
Find similar
Air Canada
Dec 19
KIX3:40 pmOsaka Kansai Intl
18h 49m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
Jan 4
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
$1,481
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
Sep 2
KIX12:00 pmOsaka Kansai Intl
40h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Sep 18
IAD9:20 pmWashington, D.C. Dulles Intl
23h 05m
1 stop
KIX9:25 amOsaka Kansai Intl
$1,487
Find similar
KLM
Oct 7
KIX12:00 pmOsaka Kansai Intl
40h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Nov 10
IAD6:50 pmWashington, D.C. Dulles Intl
26h 00m
1 stop
KIX10:50 amOsaka Kansai Intl
$1,488
Find similar
KLM
Dec 18
KIX1:00 pmOsaka Kansai Intl
41h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Jan 7
IAD6:50 pmWashington, D.C. Dulles Intl
26h 00m
1 stop
KIX10:50 amOsaka Kansai Intl
$1,493
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 July 30, 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

Thu 9/11

12:25 pm-9:38 am

3 stops34h 13m

Washington, D.C. Dulles Intl

Thu 9/18

9:35 am-10:50 pm

2 stops24h 15m

$950

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 9/13

6:30 pm-7:33 am

2 stops26h 03m

Washington, D.C. Dulles Intl

Sat 9/20

6:09 pm-10:10 am

2 stops27h 01m

$1,111

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 8/26

12:35 pm-11:21 pm

2 stops23h 46m

Washington, D.C. Dulles Intl

Tue 9/16

9:50 am-9:00 pm

2 stops22h 10m

$1,130

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 8/26

9:05 am-11:21 pm

2 stops27h 16m

Washington, D.C. Dulles Intl

Tue 9/16

9:50 am-9:00 pm

2 stops22h 10m

$1,267

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Tue 1/6

10:00 pm-4:00 pm

1 stop28h 00m

$1,281

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 12/16

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Tue 1/6

10:00 pm-8:10 pm

1 stop32h 10m

$1,302

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 12/16

8:45 pm-5:55 am

2 stops23h 10m

Washington, D.C. Dulles Intl

Fri 1/9

6:55 pm-6:45 pm

2 stops33h 50m

$1,311

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 12/22

8:45 pm-6:13 am

2 stops23h 28m

Washington, D.C. Dulles Intl

Fri 1/9

6:55 pm-6:45 pm

2 stops33h 50m

$1,343

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 8/26

6:05 pm-11:33 am

2 stops30h 28m

Washington, D.C. Dulles Intl

Tue 9/16

10:20 am-4:25 pm

1 stop17h 05m

$1,356

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 9/11

6:05 pm-11:45 am

2 stops30h 40m

Washington, D.C. Dulles Intl

Thu 9/18

10:20 am-4:25 pm

1 stop17h 05m

$1,474

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 46% 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

Best Price Found

$559

Fastest flight time

18h 49m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Osaka Kansai Intl Airport in the past 72 hours is $559. The best round-trip flight deal from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $950.
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport takes 18h 49m
There are no direct flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Osaka Kansai Intl Airport - 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 18h 49m, 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
Gettysburg
Arlington
National Harbor
Winchester
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Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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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