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Dulles Intl

$445+ Cheap flights from Osaka (OSA) to Dulles Intl (IAD)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
jul. 30 — ago. 61
mié. 7/30
mié. 8/6
1 adult, Economy
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Cheap flight deals from Osaka to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 25, 2025.

Round-trip from

$946
(Gotogate)

One-way from

$445
(Trip.com)

Popular in

March

Cheapest in

May

Average price

$1,586
From Osaka (OSA) to Washington, D.C. Dulles Intl
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One-way flight from Osaka (OSA) to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 17% potential increase in price ($349 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($93 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Osaka to Dulles Intl

Cheapest flights from Osaka to Dulles Intl
Explore the most affordable flight options available from Osaka to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 25, 2025.

This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/76:05 pmKIX - IAD
2 stops30h 08mAir Canada
dom. 9/145:37 pmIAD - KIX
2 stops33h 48mAir Canada
Deal found 7/24$946
This Orbitz deal was found by Cheapflights users on 7/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/612:30 pmITM - IAD
2 stops21h 55mMultiple Airlines
dom. 10/1910:20 amIAD - ITM
2 stops20h 55mMultiple Airlines
Deal found 7/22$1,065
This Air Canada deal was found by Cheapflights users on 7/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/197:25 amKIX - IAD
2 stops42h 19mMultiple Airlines
lun. 1/59:00 amIAD - KIX
2 stops20h 25mMultiple Airlines
Deal found 7/24$1,085
This Booking.com deal was found by Cheapflights users on 7/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/191:00 pmITM - IAD
2 stops21h 05mAir Canada
jue. 10/29:35 amIAD - ITM
2 stops21h 40mAir Canada
Deal found 7/24$1,139
This Gotogate deal was found by Cheapflights users on 7/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/59:05 amKIX - IAD
1 stop23h 25mAir China
vie. 9/1211:00 pmIAD - KIX
1 stop32h 30mAir China
Deal found 7/22$1,239
This KLM deal was found by Cheapflights users on 7/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/612:00 pmKIX - IAD
1 stop40h 35mKLM
dom. 10/195:25 pmIAD - KIX
1 stop27h 55mKLM
Deal found 7/22$1,483
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/3012:35 pmKIX - IAD
2 stops30h 22mDelta
dom. 8/247:30 pmIAD - KIX
2 stops26h 50mDelta
Deal found 7/23$1,487
This Asiana Airlines deal was found by Cheapflights users on 7/21. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/165:00 pmKIX - IAD
2 stops38h 39mAsiana Airlines
sáb. 10/185:42 pmIAD - KIX
2 stops35h 08mAsiana Airlines
Deal found 7/21$1,516
This oojo deal was found by Cheapflights users on 7/22. 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.
mar. 8/2612:35 pmKIX - IAD
1 stop35h 40mKorean Air
mar. 9/161:15 pmIAD - KIX
1 stop18h 45mKorean Air
Deal found 7/22$1,549
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/268:25 amITM - IAD
2 stops23h 31mAmerican Airlines
mar. 9/166:25 amIAD - ITM
2 stops23h 15mAmerican Airlines
Deal found 7/24$1,571
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/68:20 pmITM - IAD
1 stop26h 45mANA
dom. 10/1912:15 pmIAD - ITM
1 stop19h 00mANA
Deal found 7/22$1,684
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1612:00 pmITM - IAD
1 stop16h 35mUnited Airlines
lun. 10/2010:05 pmIAD - ITM
2 stops30h 00mUnited Airlines
Deal found 7/22$1,785

Cheapflights Fare Finder

 
Customize your flight search to find flights from Osaka to Dulles Intl 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 julio 25, 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

Osaka

Fly to

Dulles Intl

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

dom. 9/7

6:05 pm-11:13 am

2 stops30h 08m

Washington, D.C. Dulles Intl

dom. 9/14

5:37 pm-4:25 pm

2 stops33h 48m

$946

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

lun. 10/6

12:30 pm-9:25 pm

2 stops21h 55m

Washington, D.C. Dulles Intl

dom. 10/19

10:20 am-8:15 pm

2 stops20h 55m

$1,065

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 12/19

7:25 am-11:44 am

2 stops42h 19m

Washington, D.C. Dulles Intl

lun. 1/5

9:00 am-7:25 pm

2 stops20h 25m

$1,085

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

vie. 9/19

1:00 pm-9:05 pm

2 stops21h 05m

Washington, D.C. Dulles Intl

jue. 10/2

9:35 am-8:15 pm

2 stops21h 40m

$1,139

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 9/5

9:05 am-7:30 pm

1 stop23h 25m

Washington, D.C. Dulles Intl

vie. 9/12

11:00 pm-8:30 pm

1 stop32h 30m

$1,239

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

lun. 10/6

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

dom. 10/19

5:25 pm-10:20 am

1 stop27h 55m

$1,483

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

jue. 10/16

5:00 pm-6:39 pm

2 stops38h 39m

Washington, D.C. Dulles Intl

sáb. 10/18

5:42 pm-5:50 pm

2 stops35h 08m

$1,516

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

mar. 8/26

12:35 pm-11:15 am

1 stop35h 40m

Washington, D.C. Dulles Intl

mar. 9/16

1:15 pm-9:00 pm

1 stop18h 45m

$1,549

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

mar. 8/26

8:25 am-6:56 pm

2 stops23h 31m

Washington, D.C. Dulles Intl

mar. 9/16

6:25 am-6:40 pm

2 stops23h 15m

$1,571

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

lun. 10/6

8:20 pm-10:05 am

1 stop26h 45m

Washington, D.C. Dulles Intl

dom. 10/19

12:15 pm-8:15 pm

1 stop19h 00m

$1,684

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 27 results
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Best time to book a flight from Osaka to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Osaka 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 Osaka to Washington, D.C. Dulles Intl Airport
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated julio 25, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air, and ANA from Osaka to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,219 reviews

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,219 reviews
EVA Air
8.4
Very good
1,219 reviews

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,114 reviews
EVA Air
8.4
Very good
1,219 reviews

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
921 reviews
EVA Air
8.4
Very good
1,219 reviews

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
750 reviews
EVA Air
8.4
Very good
1,219 reviews

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
463 reviews
EVA Air
8.4
Very good
1,219 reviews

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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

  • What are the cheapest airlines to fly from Osaka to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Osaka to Washington, D.C. Dulles Intl Airport are EVA Air ($685), China Airlines ($724), and Air China ($909).

  • Can I find deals for flights from Osaka to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Osaka to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Osaka to Dulles Intl?

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

  • Can I find deals for business class flights from Osaka to Dulles Intl?

    Yes. Cheapflights offers flight deals from Osaka to Dulles Intl 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 Osaka to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Osaka to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk

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Alternative routes for Osaka to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Reagan-National flights
Kansai Intl to Dulles Intl flights
Kansai Intl to Baltimore flights
Itami to Dulles Intl flights
Itami to Baltimore flights

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