Washington, D.C.

$449+ Cheap flights from Osaka (OSA) to Washington, D.C. (WAS)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — WAS
Apr 29 — May 61
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Cheap flight deals from Osaka to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) to Washington, D.C. (WAS). 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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,088
(Mytrip)

One-way from

$449
(Kiwi.com)

Popular in

March

Cheapest in

October
Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. (WAS) flights.
From Osaka (OSA) to Washington, D.C. (WAS)
One-way flight from Osaka (OSA) to Washington, D.C. (WAS)
Highest demand for flights based on searches. 14% potential increase in price ($287 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($87 potential savings vs. average RT price).

Find flight deals from Osaka to Washington, D.C.

Cheapest flights from Osaka to Washington, D.C.
Explore the most affordable flight options available from Osaka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/711:30 amITM - DCA
2 stops23h 58mMultiple Airlines
Sat 6/146:59 amDCA - ITM
2 stops23h 06mMultiple Airlines
Deal found 4/23$1,088
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:10 pmKIX - IAD
2 stops40h 04mMultiple Airlines
Fri 5/307:25 pmIAD - KIX
2 stops27h 45mMultiple Airlines
Deal found 4/23$1,289
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:55 pmKIX - BWI
3 stops46h 03mMultiple Airlines
Mon 8/185:45 amBWI - KIX
3 stops35h 55mMultiple Airlines
Deal found 4/22$1,290
This Gurufare deal was found by Cheapflights users on 4/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:25 pmITM - DCA
2 stops20h 19mJapan Airlines
Sat 9/277:45 pmDCA - ITM
2 stops31h 20mJapan Airlines
Deal found 4/21$1,553
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/812:00 pmKIX - IAD
1 stop40h 35mKLM
Sun 5/115:25 pmIAD - KIX
1 stop27h 55mKLM
Deal found 4/23$1,556
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:25 amITM - DCA
2 stops21h 15mAmerican Airlines
Tue 6/106:00 amDCA - ITM
2 stops22h 35mAmerican Airlines
Deal found 4/22$1,625
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:30 pmKIX - DCA
2 stops39h 29mMultiple Airlines
Fri 5/308:59 amDCA - KIX
2 stops36h 11mMultiple Airlines
Deal found 4/23$1,686
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:55 pmKIX - BWI
2 stops25h 25mUnited Airlines
Wed 6/257:00 pmBWI - KIX
1 stop30h 50mUnited Airlines
Deal found 4/23$1,708
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:05 pmKIX - IAD
2 stops28h 32mAir Canada
Mon 8/182:25 pmIAD - KIX
1 stop37h 00mAir Canada
Deal found 4/22$1,712
This HIS deal was found by Cheapflights users on 4/23. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:05 pmKIX - DCA
2 stops27h 48mAir Canada
Sat 6/148:40 pmDCA - KIX
2 stops30h 45mAir Canada
Deal found 4/23$1,744
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:55 pmKIX - IAD
2 stops18h 55mUnited Airlines
Wed 6/256:30 amIAD - KIX
1 stop19h 20mUnited Airlines
Deal found 4/23$1,759
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:55 pmKIX - DCA
1 stop17h 17mUnited Airlines
Wed 6/257:00 amDCA - KIX
1 stop18h 50mUnited Airlines
Deal found 4/23$1,790

Cheapflights Fare Finder

Customize your flight search to find flights from Osaka to Washington, D.C. 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 April 24, 2025.
Use the filters below to find and compare flights from Osaka to Washington, D.C. that are best for you.

Fly from

Osaka

Fly to

Washington, D.C.

Route

Depart

Return

Price

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Sat 6/7

11:30 am-10:28 pm

2 stops23h 58m

Washington, D.C. Reagan-National

Sat 6/14

6:59 am-7:05 pm

2 stops23h 06m

$1,088

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 5/23

1:10 pm-4:14 pm

2 stops40h 04m

Washington, D.C. Dulles Intl

Fri 5/30

7:25 pm-12:10 pm

2 stops27h 45m

$1,289

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Mon 8/11

8:55 pm-5:58 am

3 stops46h 03m

Baltimore/Washington

Mon 8/18

5:45 am-6:40 am

3 stops35h 55m

$1,290

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Sat 9/13

1:25 pm-8:44 pm

2 stops20h 19m

Washington, D.C. Reagan-National

Sat 9/27

7:45 pm-4:05 pm

2 stops31h 20m

$1,553

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 5/8

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

Sun 5/11

5:25 pm-10:20 am

1 stop27h 55m

$1,556

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 6/3

7:25 am-3:40 pm

2 stops21h 15m

Washington, D.C. Reagan-National

Tue 6/10

6:00 am-5:35 pm

2 stops22h 35m

$1,625

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 5/23

6:30 pm-8:59 pm

2 stops39h 29m

Washington, D.C. Reagan-National

Fri 5/30

8:59 am-10:10 am

2 stops36h 11m

$1,686

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Wed 6/18

4:55 pm-5:20 am

2 stops25h 25m

Baltimore/Washington

Wed 6/25

7:00 pm-2:50 pm

1 stop30h 50m

$1,708

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 8/11

6:05 pm-9:37 am

2 stops28h 32m

Washington, D.C. Dulles Intl

Mon 8/18

2:25 pm-4:25 pm

1 stop37h 00m

$1,712

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 6/7

6:05 pm-8:53 am

2 stops27h 48m

Washington, D.C. Reagan-National

Sat 6/14

8:40 pm-4:25 pm

2 stops30h 45m

$1,744

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 50 results
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Compare providers for flights from Osaka to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka to Washington, D.C. in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Osaka-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Osaka to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

What is the cheapest time of day to fly from OSA to WAS?

Find hourly flight availability from Osaka to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

It’s typically best to fly out from Osaka to Washington, D.C. in the afternoon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Osaka to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
8.3
Very good

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

Find useful and relevant information for your journey from Osaka to Washington, D.C.. 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 flying from Osaka to Washington, D.C. round-trip?

    Flying on Japan Airlines is currently your cheapest option to Washington, D.C., with prices starting at $1,553. Additional round-trip tickets that might be worth considering are offered by KLM and American Airlines, with the lowest prices starting at $1,556 and $1,625, respectively. These flights start at 7% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Osaka to Washington, D.C. are EVA Air ($803), Air China ($1,070), and Korean Air ($1,275).

  • What are the most popular routes from Osaka to Washington, D.C.?

  • Can I find deals for flights from Osaka to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Osaka to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Osaka to Washington, D.C.?

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

  • Can I find deals for business class flights from Osaka to Washington, D.C.?

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

    Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. (average of $309). Flying from Osaka to Washington, D.C. in June is currently the most expensive (average of $383). 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?

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Arlington
Alexandria
Woodbridge
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Bowie
Towson
National Harbor
Oxon Hill
Reston

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