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Cheap flights from Osaka to Washington, D.C. from $509

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 10/28. 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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STARLUX Airlines Logo
12:20 pm - 6:06 amKIX-IAD
31h 46m2 stops
STARLUX Airlines Logo
6:30 pm - 11:10 amIAD-KIX
26h 40m2 stops
$1,192STARLUX Airlines
Find Deal
vie., dic. 12 - dom., dic. 14
Multiple Airlines Logo
7:25 pm - 6:06 amKIX-IAD
48h 41m2 stops
Multiple Airlines Logo
7:34 am - 8:40 amIAD-KIX
35h 06m2 stops
$1,282Multiple Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13
Air Canada Logo
6:05 pm - 8:50 pmKIX-IAD
39h 45m2 stops
Air Canada Logo
9:55 am - 4:25 pmIAD-KIX
41h 30m2 stops
$1,472Air Canada
Find Deal
mar., abr. 14 - sáb., abr. 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
$1,551Air Canada
Find Deal
mar., abr. 14 - sáb., abr. 18
United Airlines Logo
6:35 pm - 5:19 amKIX-IAD
24h 44m2 stops
United Airlines Logo
10:05 pm - 4:40 pmIAD-KIX
28h 35m1 stop
$1,567United Airlines
Find Deal
vie., dic. 19 - dom., ene. 4
United Airlines Logo
6:35 pm - 10:24 amKIX-IAD
29h 49m2 stops
United Airlines Logo
3:22 pm - 4:40 pmIAD-KIX
35h 18m1 stop
$1,569United Airlines
Find Deal
vie., dic. 19 - dom., ene. 4
American Airlines Logo
5:50 pm - 12:04 amKIX-IAD
20h 14m2 stops
American Airlines Logo
6:05 am - 8:35 pmIAD-KIX
24h 30m2 stops
$1,593American Airlines
Find Deal
vie., dic. 19 - dom., ene. 4
American Airlines Logo
1:30 pm - 10:19 pmITM-IAD
21h 49m2 stops
American Airlines Logo
5:26 pm - 6:40 pmIAD-ITM
36h 14m2 stops
$1,593American Airlines
Find Deal
mar., abr. 14 - sáb., abr. 18
ANA Logo
6:45 am - 9:10 amKIX-IAD
16h 25m1 stop
ANA Logo
11:10 am - 10:20 pmIAD-KIX
21h 10m1 stop
$1,666ANA
Find Deal
vie., dic. 19 - dom., ene. 4
ANA Logo
7:05 am - 9:10 amKIX-IAD
16h 05m1 stop
ANA Logo
11:10 am - 10:20 pmIAD-KIX
21h 10m1 stop
$1,668ANA
Find Deal
vie., dic. 19 - dom., ene. 4

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
Apr 14
KIX6:05 pmOsaka Kansai Intl
39h 45m
2 stops
IAD8:50 pmWashington, D.C. Dulles Intl
Apr 18
IAD9:55 amWashington, D.C. Dulles Intl
41h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,472
Find similar
Air Canada
Apr 14
KIX6:05 pmOsaka Kansai Intl
35h 20m
2 stops
IAD4:25 pmWashington, D.C. Dulles Intl
Apr 18
IAD9:55 amWashington, D.C. Dulles Intl
41h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,551
Find similar
Air Canada
Apr 14
KIX6:05 pmOsaka Kansai Intl
39h 55m
2 stops
IAD9:00 pmWashington, D.C. Dulles Intl
Apr 18
IAD9:55 amWashington, D.C. Dulles Intl
41h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,552
Find similar

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

Our best United Airlines deals on Osaka 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
$1,567
Find similar
United Airlines
Dec 19
KIX6:35 pmOsaka Kansai Intl
29h 49m
2 stops
IAD10:24 amWashington, D.C. Dulles Intl
Jan 4
IAD3:22 pmWashington, D.C. Dulles Intl
35h 18m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,569
Find similar
United Airlines
Dec 19
KIX6:35 pmOsaka Kansai Intl
18h 48m
2 stops
IAD11:23 pmWashington, D.C. Dulles Intl
Jan 4
IAD10:05 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,578
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 octubre 23, 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

vie. 12/12

12:20 pm-6:06 am

2 stops31h 46m

Washington, D.C. Dulles Intl

dom. 12/14

6:30 pm-11:10 am

2 stops26h 40m

$1,192

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

sáb. 12/6

7:25 pm-6:06 am

2 stops48h 41m

Washington, D.C. Dulles Intl

sáb. 12/13

7:34 am-8:40 am

2 stops35h 06m

$1,282

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

mar. 4/14

6:05 pm-8:50 pm

2 stops39h 45m

Washington, D.C. Dulles Intl

sáb. 4/18

9:55 am-4:25 pm

2 stops41h 30m

$1,472

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

mar. 4/14

6:05 pm-4:25 pm

2 stops35h 20m

Washington, D.C. Dulles Intl

sáb. 4/18

9:55 am-4:25 pm

2 stops41h 30m

$1,551

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 12/19

6:35 pm-5:19 am

2 stops24h 44m

Washington, D.C. Dulles Intl

dom. 1/4

10:05 pm-4:40 pm

1 stop28h 35m

$1,567

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 12/19

6:35 pm-10:24 am

2 stops29h 49m

Washington, D.C. Dulles Intl

dom. 1/4

3:22 pm-4:40 pm

1 stop35h 18m

$1,569

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 12/19

5:50 pm-12:04 am

2 stops20h 14m

Washington, D.C. Dulles Intl

dom. 1/4

6:05 am-8:35 pm

2 stops24h 30m

$1,593

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

mar. 4/14

1:30 pm-10:19 pm

2 stops21h 49m

Washington, D.C. Dulles Intl

sáb. 4/18

5:26 pm-6:40 pm

2 stops36h 14m

$1,593

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 12/19

6:45 am-9:10 am

1 stop16h 25m

Washington, D.C. Dulles Intl

dom. 1/4

11:10 am-10:20 pm

1 stop21h 10m

$1,666

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 12/19

7:05 am-9:10 am

1 stop16h 05m

Washington, D.C. Dulles Intl

dom. 1/4

11:10 am-10:20 pm

1 stop21h 10m

$1,668

Flights are sorted by cheapest round-trip flights 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 75% 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

Direct flights

None
There are no direct flights from Osaka to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Osaka to 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 10m.

  • 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
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Sterling

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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