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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $470

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 4/8. 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.
Air Canada Logo
10:08 pm - 4:25 pm
IAD
-
KIX
53h 17m
2 stops
Air Canada Logo
6:00 pm - 11:17 am
KIX
-
IAD
30h 17m
2 stops
$863Air Canada
Mon, Apr 27 - Thu, May 7
ANA Logo
9:55 am - 6:55 pm
IAD
-
ITM
20h 00m
2 stops
ANA Logo
2:00 pm - 8:37 pm
ITM
-
IAD
19h 37m
2 stops
$910ANA
Mon, Apr 27 - Thu, May 7
Air Canada Logo
5:35 pm - 4:25 pm
IAD
-
KIX
33h 50m
2 stops
Air Canada Logo
6:00 pm - 11:17 am
KIX
-
IAD
30h 17m
2 stops
$925Air Canada
Sat, Apr 18 - Sat, May 2
Air Canada Logo
9:55 am - 6:55 pm
IAD
-
ITM
20h 00m
2 stops
Air Canada Logo
2:00 pm - 8:37 pm
ITM
-
IAD
19h 37m
2 stops
$966Air Canada
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
8:15 am - 4:25 pm
IAD
-
KIX
43h 10m
2 stops
Air Canada Logo
6:00 pm - 4:35 pm
KIX
-
IAD
35h 35m
2 stops
$967Air Canada
Tue, May 19 - Mon, Jun 1
Air China Logo
11:00 pm - 12:40 pm
IAD
-
KIX
24h 40m
1 stop
Air China Logo
9:05 am - 7:30 pm
KIX
-
IAD
23h 25m
1 stop
$974Air China
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
9:00 am - 5:40 pm
IAD
-
KIX
42h 40m
2 stops
Air Canada Logo
7:25 pm - 9:23 pm
KIX
-
IAD
38h 58m
2 stops
$975Air Canada
Sat, Mar 7 - Sat, Mar 14
ANA Logo
8:20 am - 9:45 pm
IAD
-
UKB
24h 25m
2 stops
ANA Logo
9:15 pm - 3:40 pm
UKB
-
IAD
31h 25m
1 stop
$1,003ANA
Tue, Apr 7 - Tue, Apr 28
United Airlines Logo
6:00 am - 5:05 pm
IAD
-
ITM
22h 05m
2 stops
United Airlines Logo
12:55 pm - 10:05 am
ITM
-
IAD
34h 10m
1 stop
$1,016United Airlines
Sun, Apr 19 - Wed, Apr 29
STARLUX Airlines Logo
7:11 pm - 10:30 am
IAD
-
UKB
26h 19m
2 stops
STARLUX Airlines Logo
11:40 am - 5:40 am
UKB
-
IAD
31h 00m
2 stops
$1,018STARLUX Airlines
Tue, Apr 14 - Tue, Apr 21

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets
United Airlines
Apr 27
IAD5:55 pmWashington, D.C. Dulles Intl
31h 55m
2 stops
KIX2:50 pmOsaka Kansai Intl
May 7
KIX9:20 amOsaka Kansai Intl
37h 45m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,016
United Airlines
Apr 19
IAD12:15 pmWashington, D.C. Dulles Intl
18h 35m
1 stop
KIX7:50 pmOsaka Kansai Intl
Apr 29
KIX4:55 pmOsaka Kansai Intl
21h 30m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
$1,022
United Airlines
Apr 19
IAD10:10 amWashington, D.C. Dulles Intl
20h 40m
2 stops
KIX7:50 pmOsaka Kansai Intl
Apr 29
KIX4:55 pmOsaka Kansai Intl
21h 30m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
$1,026

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

Our best ANA deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets
ANA
Apr 27
IAD9:55 amWashington, D.C. Dulles Intl
20h 00m
2 stops
ITM6:55 pmOsaka Itami
May 7
ITM2:00 pmOsaka Itami
19h 37m
2 stops
IAD8:37 pmWashington, D.C. Dulles Intl
$910
ANA
Apr 7
IAD8:20 amWashington, D.C. Dulles Intl
24h 25m
2 stops
UKB9:45 pmKobe
Apr 29
UKB7:05 amKobe
21h 35m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,003
ANA
Apr 27
IAD12:15 pmWashington, D.C. Dulles Intl
16h 55m
1 stop
ITM6:10 pmOsaka Itami
May 7
ITM7:30 amOsaka Itami
15h 35m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,004

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 February 9, 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

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 4/27

10:08 pm-4:25 pm

2 stops53h 17m

Osaka Kansai Intl

Thu 5/7

6:00 pm-11:17 am

2 stops30h 17m

$863

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 4/27

9:55 am-6:55 pm

2 stops20h 00m

Osaka Itami

Thu 5/7

2:00 pm-8:37 pm

2 stops19h 37m

$910

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 4/18

5:35 pm-4:25 pm

2 stops33h 50m

Osaka Kansai Intl

Sat 5/2

6:00 pm-11:17 am

2 stops30h 17m

$925

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 4/14

9:55 am-6:55 pm

2 stops20h 00m

Osaka Itami

Tue 4/21

2:00 pm-8:37 pm

2 stops19h 37m

$966

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 5/19

8:15 am-4:25 pm

2 stops43h 10m

Osaka Kansai Intl

Mon 6/1

6:00 pm-4:35 pm

2 stops35h 35m

$967

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 4/14

11:00 pm-12:40 pm

1 stop24h 40m

Osaka Kansai Intl

Tue 4/21

9:05 am-7:30 pm

1 stop23h 25m

$974

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 3/7

9:00 am-5:40 pm

2 stops42h 40m

Osaka Kansai Intl

Sat 3/14

7:25 pm-9:23 pm

2 stops38h 58m

$975

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 4/7

8:20 am-9:45 pm

2 stops24h 25m

Kobe

Tue 4/28

9:15 pm-3:40 pm

1 stop31h 25m

$1,003

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 4/19

6:00 am-5:05 pm

2 stops22h 05m

Osaka Itami

Wed 4/29

12:55 pm-10:05 am

1 stop34h 10m

$1,016

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 4/14

7:11 pm-10:30 am

2 stops26h 19m

Kobe

Tue 4/21

11:40 am-5:40 am

2 stops31h 00m

$1,018

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 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 59% 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

16h 55m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka takes 16h 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 16h 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
1,089 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights

Traveling to a place near Osaka?

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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?

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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