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Osaka

$503+ Cheap flights from District of Columbia to Osaka (OSA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
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Cheap flight deals from District of Columbia to Osaka

Cheapest flights from District of Columbia to Osaka
Explore the most affordable flight options available from District of Columbia to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.

This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 6/12$1,141
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Thu 10/86:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 6/10$1,182
This KAYAK deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:45 pm
DCA
-
ITM
2 stops33h 50m
Japan Airlines
Tue 11/242:40 pm
ITM
-
DCA
2 stops18h 14m
Japan Airlines
Deal found 6/12$1,183
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am
IAD
-
UKB
1 stop27h 45m
EVA Air
Thu 10/87:00 pm
UKB
-
IAD
1 stop40h 00m
EVA Air
Deal found 6/10$1,189
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:15 am
IAD
-
KIX
1 stop27h 00m
EVA Air
Wed 9/3011:10 am
KIX
-
IAD
1 stop23h 50m
EVA Air
Deal found 6/10$1,190
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:15 am
IAD
-
KIX
1 stop27h 00m
EVA Air
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 6/10$1,194
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sun 1/316:10 pm
KIX
-
IAD
1 stop40h 45m
EVA Air
Deal found 6/11$1,205
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:46 pm
IAD
-
KIX
2 stops31h 14m
STARLUX Airlines
Sun 10/41:25 pm
KIX
-
IAD
2 stops29h 15m
STARLUX Airlines
Deal found 6/10$1,228
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:47 pm
IAD
-
KIX
2 stops31h 13m
STARLUX Airlines
Sat 9/193:10 pm
KIX
-
IAD
2 stops27h 30m
STARLUX Airlines
Deal found 6/8$1,229
This Justfly.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:15 am
IAD
-
UKB
1 stop27h 45m
EVA Air
Fri 10/911:00 am
UKB
-
IAD
1 stop24h 00m
EVA Air
Deal found 6/10$1,230
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:15 am
IAD
-
KIX
1 stop27h 00m
EVA Air
Sat 10/101:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 6/10$1,232
This Korean Air deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:15 pm
IAD
-
UKB
1 stop32h 40m
Korean Air
Mon 11/166:40 pm
UKB
-
IAD
1 stop29h 10m
Korean Air
Deal found 6/12$1,235

Find flight deals from District of Columbia to Osaka

Keep the following information in mind while searching for District of Columbia to Osaka flight deals. Data was last updated June 13, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,141
(oojo)

One-way from

$503
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,483
Provider with most accurate pricing for Washington, D.C. (WAS)-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Osaka (OSA) flights.
Search Deals
From District of Columbia to Osaka (OSA)
Search Deals
One-way flight from District of Columbia to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2026.
Use the filters below to find and compare flights from District of Columbia to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 11/15

5:45 pm-5:35 pm

2 stops33h 50m

Osaka Itami

Tue 11/24

2:40 pm-6:54 pm

2 stops18h 14m

$1,183

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 9/11

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Wed 9/16

11:10 am-10:00 pm

1 stop23h 50m

$1,244

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sat 9/5

1:15 am-6:00 pm

1 stop27h 45m

Kobe

Thu 9/10

7:00 pm-10:00 pm

1 stop40h 00m

$1,279

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 9/5

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Thu 9/10

6:30 pm-10:00 pm

1 stop40h 30m

$1,284

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/16

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Wed 9/30

6:30 pm-5:40 am

2 stops24h 10m

$1,298

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Wed 8/26

1:50 am-6:00 pm

1 stop27h 10m

Kobe

Mon 8/31

11:00 am-10:30 pm

1 stop24h 30m

$1,299

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 8/19

2:53 pm-2:50 pm

3 stops34h 57m

Osaka Kansai Intl

Thu 12/10

9:25 am-5:00 am

2 stops33h 35m

$1,337

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Wed 10/7

12:15 pm-9:45 pm

1 stop20h 30m

Kobe

Wed 10/21

7:05 am-10:05 am

1 stop16h 00m

$1,353

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 9/27

12:15 pm-9:45 pm

1 stop20h 30m

Kobe

Fri 10/9

7:05 am-10:05 am

1 stop16h 00m

$1,353

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/22

9:30 am-8:35 pm

2 stops22h 05m

Osaka Itami

Thu 10/8

2:00 pm-8:09 pm

2 stops19h 09m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from District of Columbia to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Osaka

What is the cheapest month to book a flight from District of Columbia to Osaka?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Osaka (average of $178). Flying from District of Columbia to Osaka in May is currently the most expensive (average of $1,179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from District of Columbia to Osaka?

How far ahead should I book a flight from District of Columbia to Osaka?

The best time to book flights from District of Columbia to Osaka is 8 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from District of Columbia to Osaka?

    A quick flight from District of Columbia to Osaka can take about 16h 55m. EVA Air provides one of the quickest options available for as low as $1,353. The distance from District of Columbia to Osaka is about 6921 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from District of Columbia to Osaka?

    The most popular flight routes from District of Columbia to Osaka are Washington, D.C. Dulles Intl - Osaka Kansai Intl, Washington, D.C. Reagan-National - Osaka Kansai Intl and Washington, D.C. Dulles Intl - Osaka Itami.

  • Can I find deals for flights from District of Columbia to Osaka that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Osaka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Osaka.

  • Can I find deals for business class flights from District of Columbia to Osaka?

    Yes. Cheapflights offers flight deals from District of Columbia to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Osaka?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Osaka (average of $178). Flying from District of Columbia to Osaka in May is currently the most expensive (average of $1,179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Osaka?

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

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Top airline flying from District of Columbia to Osaka

Discover the top airline that operate flights from District of Columbia to Osaka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$964Average$1,230FlexibilityNo cancel feeOn-time80%

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