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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $507

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Osaka departing on 5/24. 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 Washington, D.C. Dulles Intl Airport to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
EVA Air Logo
1:50 am - 12:10 pm
IAD
-
KIX
21h 20m
1 stop
EVA Air Logo
6:30 pm - 10:00 pm
KIX
-
IAD
40h 30m
1 stop
$930EVA Air
Mon, Aug 31 - Tue, Sep 15
EVA Air Logo
1:50 am - 12:10 pm
IAD
-
KIX
21h 20m
1 stop
EVA Air Logo
6:30 pm - 10:00 pm
KIX
-
IAD
40h 30m
1 stop
$968EVA Air
Mon, Aug 31 - Thu, Sep 17
Air Canada Logo
10:07 pm - 4:25 pm
IAD
-
KIX
53h 18m
2 stops
Air Canada Logo
6:00 pm - 11:50 am
KIX
-
IAD
30h 50m
2 stops
$973Air Canada
Mon, Apr 27 - Mon, May 4
Air Canada Logo
10:08 pm - 4:25 pm
IAD
-
KIX
29h 17m
2 stops
Air Canada Logo
6:00 pm - 11:17 am
KIX
-
IAD
30h 17m
2 stops
$978Air Canada
Sun, Apr 19 - Mon, May 4
Air Canada Logo
4:20 pm - 4:25 pm
IAD
-
KIX
35h 05m
1 stop
Air Canada Logo
6:00 pm - 8:25 pm
KIX
-
IAD
15h 25m
1 stop
$979Air Canada
Wed, Sep 2 - Wed, Sep 9
ANA Logo
9:55 am - 4:25 pm
IAD
-
KIX
17h 30m
1 stop
ANA Logo
6:00 pm - 8:25 pm
KIX
-
IAD
15h 25m
1 stop
$1,019ANA
Thu, Sep 24 - Fri, Oct 2
Multiple Airlines Logo
5:38 pm - 10:10 am
IAD
-
KIX
27h 32m
2 stops
Multiple Airlines Logo
11:10 am - 10:00 pm
KIX
-
IAD
23h 50m
1 stop
$1,037Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
5:38 pm - 10:10 am
IAD
-
KIX
27h 32m
2 stops
Multiple Airlines Logo
1:10 pm - 10:00 pm
KIX
-
IAD
21h 50m
1 stop
$1,040Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
STARLUX Airlines Logo
5:38 pm - 10:30 am
IAD
-
UKB
27h 52m
2 stops
STARLUX Airlines Logo
11:40 am - 7:28 am
UKB
-
IAD
32h 48m
2 stops
$1,224STARLUX Airlines
Tue, Sep 1 - Tue, Sep 15
ANA Logo
12:35 pm - 9:45 pm
IAD
-
UKB
20h 10m
1 stop
ANA Logo
7:05 am - 3:35 pm
UKB
-
IAD
21h 30m
1 stop
$1,260ANA
Tue, Sep 22 - Thu, Oct 8

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

Our best EVA Air deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets
EVA Air
Aug 31
IAD1:50 amWashington, D.C. Dulles Intl
21h 20m
1 stop
KIX12:10 pmOsaka Kansai Intl
Sep 15
KIX6:30 pmOsaka Kansai Intl
40h 30m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$930
EVA Air
Aug 31
IAD1:50 amWashington, D.C. Dulles Intl
21h 20m
1 stop
KIX12:10 pmOsaka Kansai Intl
Sep 17
KIX6:30 pmOsaka Kansai Intl
40h 30m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$968
EVA Air
Sep 12
IAD1:15 amWashington, D.C. Dulles Intl
27h 00m
1 stop
KIX5:15 pmOsaka Kansai Intl
Sep 24
KIX6:30 pmOsaka Kansai Intl
40h 30m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,002

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets
Air Canada
Apr 27
IAD10:07 pmWashington, D.C. Dulles Intl
53h 18m
2 stops
KIX4:25 pmOsaka Kansai Intl
May 4
KIX6:00 pmOsaka Kansai Intl
30h 50m
2 stops
IAD11:50 amWashington, D.C. Dulles Intl
$973
Air Canada
Apr 19
IAD10:08 pmWashington, D.C. Dulles Intl
29h 17m
2 stops
KIX4:25 pmOsaka Kansai Intl
May 4
KIX6:00 pmOsaka Kansai Intl
30h 17m
2 stops
IAD11:17 amWashington, D.C. Dulles Intl
$978
Air Canada
Sep 2
IAD4:20 pmWashington, D.C. Dulles Intl
35h 05m
1 stop
KIX4:25 pmOsaka Kansai Intl
Sep 9
KIX6:00 pmOsaka Kansai Intl
15h 25m
1 stop
IAD8:25 pmWashington, D.C. Dulles Intl
$979

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Osaka 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 March 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-12:10 pm

1 stop21h 20m

Osaka Kansai Intl

Tue 9/15

6:30 pm-10:00 pm

1 stop40h 30m

$930

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-12:10 pm

1 stop21h 20m

Osaka Kansai Intl

Thu 9/17

6:30 pm-10:00 pm

1 stop40h 30m

$968

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 4/27

10:07 pm-4:25 pm

2 stops53h 18m

Osaka Kansai Intl

Mon 5/4

6:00 pm-11:50 am

2 stops30h 50m

$973

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 4/19

10:08 pm-4:25 pm

2 stops29h 17m

Osaka Kansai Intl

Mon 5/4

6:00 pm-11:17 am

2 stops30h 17m

$978

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/2

4:20 pm-4:25 pm

1 stop35h 05m

Osaka Kansai Intl

Wed 9/9

6:00 pm-8:25 pm

1 stop15h 25m

$979
Quickest round-trip

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 9/24

9:55 am-4:25 pm

1 stop17h 30m

Osaka Kansai Intl

Fri 10/2

6:00 pm-8:25 pm

1 stop15h 25m

$1,019

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/16

5:38 pm-10:10 am

2 stops27h 32m

Osaka Kansai Intl

Wed 9/23

11:10 am-10:00 pm

1 stop23h 50m

$1,037

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/9

5:38 pm-10:10 am

2 stops27h 32m

Osaka Kansai Intl

Wed 9/16

1:10 pm-10:00 pm

1 stop21h 50m

$1,040

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 9/1

5:38 pm-10:30 am

2 stops27h 52m

Kobe

Tue 9/15

11:40 am-7:28 am

2 stops32h 48m

$1,224

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 9/22

12:35 pm-9:45 pm

1 stop20h 10m

Kobe

Thu 10/8

7:05 am-3:35 pm

1 stop21h 30m

$1,260

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 Osaka from

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

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Osaka?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Osaka flights?

You could potentially save up to 23% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Osaka flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Osaka according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Osaka (IAD to OSA) flight deals and tips

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

Fastest flight time

17h 55m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka takes 17h 55m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Osaka. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Osaka.
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  • How far is Washington, D.C. Dulles Intl to Osaka by plane?

    There are 6926.6 mi between Washington, D.C. Dulles Intl and Osaka. In terms of flight time, this usually takes a little over 17h 55m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Osaka are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Osaka?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Osaka.

  • What documentation or ID do you need to fly to Osaka?

    The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Osaka?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Osaka

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Osaka with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $964Free CancellationRating
8.4
1,151 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
9,504 reviews
Search United Airlines flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Washington, D.C..

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

Flights from Washington, D.C. to Osaka with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Osaka?

Once you have performed a search for Washington, D.C. to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Osaka right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Osaka 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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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka
Osaka Itami Airport
Osaka Kansai Intl Airport