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Cheap flights from Osaka to Washington, D.C. from $489

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 to Washington, D.C. departing on 9/7. 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 to Washington, D.C. (OSA-IAD)

Cheap round-trip flights

Logo
7:25 am - 8:29 pmKIX-IAD
27h 04m2 stops
Logo
10:05 pm - 7:25 pmIAD-KIX
31h 20m2 stops
$980
Find Deal
Fri, Dec 19 - Mon, Jan 5
Logo
7:25 am - 11:44 amKIX-IAD
42h 19m2 stops
Logo
9:00 am - 10:20 pmIAD-KIX
23h 20m2 stops
$982
Find Deal
Fri, Dec 19 - Mon, Jan 5
Air China Logo
9:05 am - 7:30 pmKIX-IAD
23h 25m1 stop
Air China Logo
11:00 pm - 8:30 pmIAD-KIX
32h 30m1 stop
$1,094Air China
Find Deal
Fri, Sep 26 - Fri, Oct 3
Air China Logo
9:05 am - 7:30 pmKIX-IAD
23h 25m1 stop
Air China Logo
11:00 pm - 8:30 pmIAD-KIX
32h 30m1 stop
$1,154Air China
Find Deal
Fri, Sep 26 - Fri, Oct 3
Air Canada Logo
6:05 pm - 9:38 amKIX-IAD
28h 33m2 stops
Air Canada Logo
3:36 pm - 4:25 pmIAD-KIX
35h 49m1 stop
$1,181Air Canada
Find Deal
Thu, Oct 9 - Mon, Oct 13
Asiana Airlines Logo
7:10 pm - 6:39 pmKIX-IAD
36h 29m2 stops
Asiana Airlines Logo
6:30 pm - 9:05 pmIAD-KIX
37h 35m2 stops
$1,427Asiana Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 18
Asiana Airlines Logo
5:00 pm - 6:39 pmKIX-IAD
38h 39m2 stops
Asiana Airlines Logo
5:42 pm - 9:05 pmIAD-KIX
38h 23m2 stops
$1,441Asiana Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 18
Air Canada Logo
1:00 pm - 9:25 pmITM-IAD
21h 25m2 stops
Air Canada Logo
10:20 am - 6:55 pmIAD-ITM
19h 35m2 stops
$1,468Air Canada
Find Deal
Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
1:30 pm - 10:51 pmITM-IAD
22h 21m2 stops
American Airlines Logo
5:54 pm - 6:45 pmIAD-ITM
35h 51m2 stops
$1,481American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
8:25 am - 6:56 pmITM-IAD
23h 31m2 stops
American Airlines Logo
6:25 am - 6:40 pmIAD-ITM
23h 15m2 stops
$1,528American Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 16

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

Our best Asiana Airlines deals on Osaka to Washington, D.C. Dulles Intl Airport flight tickets
Asiana Airlines
Oct 16
KIX7:10 pmOsaka Kansai Intl
36h 29m
2 stops
IAD6:39 pmWashington, D.C. Dulles Intl
Oct 18
IAD6:30 pmWashington, D.C. Dulles Intl
37h 35m
2 stops
KIX9:05 pmOsaka Kansai Intl
$1,427
Find similar
Asiana Airlines
Oct 16
KIX5:00 pmOsaka Kansai Intl
38h 39m
2 stops
IAD6:39 pmWashington, D.C. Dulles Intl
Oct 18
IAD5:42 pmWashington, D.C. Dulles Intl
38h 23m
2 stops
KIX9:05 pmOsaka Kansai Intl
$1,441
Find similar

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

Our best Air Canada deals on Osaka to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Oct 9
KIX6:05 pmOsaka Kansai Intl
28h 33m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Oct 13
IAD3:36 pmWashington, D.C. Dulles Intl
35h 49m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,181
Find similar
Air Canada
Oct 9
ITM1:00 pmOsaka Itami
21h 25m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Oct 13
IAD10:20 amWashington, D.C. Dulles Intl
19h 35m
2 stops
ITM6:55 pmOsaka Itami
$1,468
Find similar
Air Canada
Oct 16
ITM1:00 pmOsaka Itami
33h 38m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Oct 20
IAD2:25 pmWashington, D.C. Dulles Intl
39h 30m
2 stops
ITM6:55 pmOsaka Itami
$1,499
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Osaka 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 August 14, 2025.
Use the filters below to find and compare flights from Osaka 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

Fri 12/19

7:25 am-8:29 pm

2 stops27h 04m

Washington, D.C. Dulles Intl

Mon 1/5

10:05 pm-7:25 pm

2 stops31h 20m

$980

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

7:25 am-11:44 am

2 stops42h 19m

Washington, D.C. Dulles Intl

Mon 1/5

9:00 am-10:20 pm

2 stops23h 20m

$982

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 9/26

9:05 am-7:30 pm

1 stop23h 25m

Washington, D.C. Dulles Intl

Fri 10/3

11:00 pm-8:30 pm

1 stop32h 30m

$1,094

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 9/26

9:05 am-7:30 pm

1 stop23h 25m

Washington, D.C. Dulles Intl

Fri 10/3

11:00 pm-8:30 pm

1 stop32h 30m

$1,154

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 10/9

6:05 pm-9:38 am

2 stops28h 33m

Washington, D.C. Dulles Intl

Mon 10/13

3:36 pm-4:25 pm

1 stop35h 49m

$1,181

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 10/16

7:10 pm-6:39 pm

2 stops36h 29m

Washington, D.C. Dulles Intl

Sat 10/18

6:30 pm-9:05 pm

2 stops37h 35m

$1,427

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 10/16

5:00 pm-6:39 pm

2 stops38h 39m

Washington, D.C. Dulles Intl

Sat 10/18

5:42 pm-9:05 pm

2 stops38h 23m

$1,441

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 10/9

1:00 pm-9:25 pm

2 stops21h 25m

Washington, D.C. Dulles Intl

Mon 10/13

10:20 am-6:55 pm

2 stops19h 35m

$1,468

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 10/16

1:30 pm-10:51 pm

2 stops22h 21m

Washington, D.C. Dulles Intl

Mon 10/20

5:54 pm-6:45 pm

2 stops35h 51m

$1,481

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 8/26

8:25 am-6:56 pm

2 stops23h 31m

Washington, D.C. Dulles Intl

Tue 9/16

6:25 am-6:40 pm

2 stops23h 15m

$1,528

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, D.C. from

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

You could potentially save up to 69% on your flight if you consider stops on a Osaka to Washington, D.C. Dulles Intl Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka 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 to Washington, D.C. Dulles Intl Airport (OSA to IAD) flight deals and tips

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

Best Price Found

$489

Fastest flight time

15h 35m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Osaka in the past 72 hours is $489. The best round-trip flight deal from Osaka to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $980.
The fastest flight from Osaka to Washington, D.C. Dulles Intl Airport takes 15h 35m
There are no direct flights from Osaka to Washington, D.C. Dulles Intl Airport. Popular non-direct routes for this connection are Osaka Itami Airport - Washington, D.C. Dulles Intl Airport and Osaka Kansai Intl Airport - Washington, D.C. Dulles Intl Airport.
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  • How far is Osaka to Washington, D.C. Dulles Intl by plane?

    There are 6926.6 mi between Osaka and Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 15h 35m.

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

    Prices for flights from Osaka to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

Finding the right flight to Washington, D.C. 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, D.C. quick and easy, saving you time and money.

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

Yes. All flights to Washington, D.C. from Osaka on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Osaka to Washington, D.C. 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, D.C. and let you know when they change.

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