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Cheap flights from Osaka to Washington, D.C. from $602

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 4/27. 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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Multiple Airlines Logo
2:30 pm - 4:26 pm
KIX
-
IAD
39h 56m2 stops
Multiple Airlines Logo
6:04 pm - 1:20 pm
IAD
-
KIX
29h 16m2 stops
$1,061Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Air Canada Logo
7:25 pm - 8:54 pm
KIX
-
IAD
38h 29m2 stops
Air Canada Logo
4:30 pm - 4:25 pm
IAD
-
KIX
34h 55m2 stops
$1,072Air Canada
Thu, Mar 19 - Tue, Mar 31
Multiple Airlines Logo
2:30 pm - 4:26 pm
KIX
-
IAD
39h 56m2 stops
Multiple Airlines Logo
6:04 pm - 11:35 am
IAD
-
KIX
27h 31m2 stops
$1,082Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
ANA Logo
3:00 pm - 9:10 am
ITM
-
IAD
32h 10m1 stop
ANA Logo
11:10 am - 8:10 am
IAD
-
ITM
31h 00m1 stop
$1,127ANA
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
4:00 pm - 8:26 pm
ITM
-
IAD
18h 26m2 stops
Multiple Airlines Logo
9:00 am - 7:10 pm
IAD
-
ITM
20h 10m2 stops
$1,135Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
11:30 am - 8:26 pm
ITM
-
IAD
22h 56m2 stops
Multiple Airlines Logo
9:00 am - 7:10 pm
IAD
-
ITM
20h 10m2 stops
$1,138Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Air Canada Logo
2:05 pm - 8:54 pm
ITM
-
IAD
20h 49m2 stops
Air Canada Logo
4:30 pm - 7:10 pm
IAD
-
ITM
36h 40m2 stops
$1,142Air Canada
Tue, Feb 3 - Thu, Feb 5
American Airlines Logo
3:25 pm - 9:17 pm
ITM
-
IAD
19h 52m2 stops
American Airlines Logo
6:00 am - 6:45 pm
IAD
-
ITM
46h 45m2 stops
$1,167American Airlines
Tue, Feb 3 - Thu, Feb 5
Air China Logo
9:00 am - 6:30 pm
KIX
-
IAD
23h 30m1 stop
Air China Logo
10:00 pm - 8:10 pm
IAD
-
KIX
32h 10m1 stop
$1,210Air China
Fri, Jan 30 - Fri, Feb 6
Air China Logo
9:00 am - 6:30 pm
KIX
-
IAD
23h 30m1 stop
Air China Logo
10:00 pm - 8:10 pm
IAD
-
KIX
32h 10m1 stop
$1,219Air China
Fri, Jan 30 - Fri, Feb 6

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
Jan 22
KIX6:35 pmOsaka Kansai Intl
32h 42m
2 stops
IAD1:17 pmWashington, D.C. Dulles Intl
Jan 26
IAD7:45 pmWashington, D.C. Dulles Intl
30h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,715
Find similar
United Airlines
Jan 22
KIX6:35 pmOsaka Kansai Intl
24h 46m
2 stops
IAD5:21 amWashington, D.C. Dulles Intl
Jan 26
IAD8:25 amWashington, D.C. Dulles Intl
42h 15m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,721
Find similar
United Airlines
Jan 22
KIX6:35 pmOsaka Kansai Intl
31h 11m
2 stops
IAD11:46 amWashington, D.C. Dulles Intl
Jan 26
IAD7:45 pmWashington, D.C. Dulles Intl
30h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
$1,726
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
Mar 19
KIX7:25 pmOsaka Kansai Intl
38h 29m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Mar 31
IAD4:30 pmWashington, D.C. Dulles Intl
34h 55m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,072
Find similar
Air Canada
Feb 3
ITM2:05 pmOsaka Itami
20h 49m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Feb 5
IAD4:30 pmWashington, D.C. Dulles Intl
36h 40m
2 stops
ITM7:10 pmOsaka Itami
$1,142
Find similar
Air Canada
Jan 22
KIX3:45 pmOsaka Kansai Intl
38h 01m
2 stops
IAD3:46 pmWashington, D.C. Dulles Intl
Jan 26
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
$1,147
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 December 17, 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

Thu 1/29

2:30 pm-4:26 pm

2 stops39h 56m

Washington, D.C. Dulles Intl

Thu 2/5

6:04 pm-1:20 pm

2 stops29h 16m

$1,061

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 3/19

7:25 pm-8:54 pm

2 stops38h 29m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-4:25 pm

2 stops34h 55m

$1,072

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/29

2:30 pm-4:26 pm

2 stops39h 56m

Washington, D.C. Dulles Intl

Thu 2/5

6:04 pm-11:35 am

2 stops27h 31m

$1,082

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Sat 1/31

3:00 pm-9:10 am

1 stop32h 10m

Washington, D.C. Dulles Intl

Sat 2/7

11:10 am-8:10 am

1 stop31h 00m

$1,127

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 1/29

4:00 pm-8:26 pm

2 stops18h 26m

Washington, D.C. Dulles Intl

Thu 2/5

9:00 am-7:10 pm

2 stops20h 10m

$1,135

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 1/29

11:30 am-8:26 pm

2 stops22h 56m

Washington, D.C. Dulles Intl

Thu 2/5

9:00 am-7:10 pm

2 stops20h 10m

$1,138

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 2/3

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Thu 2/5

4:30 pm-7:10 pm

2 stops36h 40m

$1,142

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 2/3

3:25 pm-9:17 pm

2 stops19h 52m

Washington, D.C. Dulles Intl

Thu 2/5

6:00 am-6:45 pm

2 stops46h 45m

$1,167

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 1/30

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Fri 2/6

10:00 pm-8:10 pm

1 stop32h 10m

$1,210

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 1/30

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Fri 2/6

10:00 pm-8:10 pm

1 stop32h 10m

$1,219

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 74% 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

Fastest flight time

18h 41m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. Dulles Intl Airport takes 18h 41m
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.
Search flight deals

  • 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 18h 41m.

  • 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
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.?

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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