HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$475+ Cheap flights from Osaka (OSA) to District of Columbia

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 — IAD
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Osaka to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Osaka to District of Columbia

Keep the following information in mind while searching for Osaka to District of Columbia flight deals. Data was 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

$475
(Kiwi.com)

Popular in

March

Cheapest in

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

Find flight deals from Osaka to District of Columbia

Cheapest flights from Osaka to District of Columbia
Explore the most affordable flight options available from Osaka to District of Columbia. 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 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 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
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/182:35 pmITM - IAD
2 stops29h 52mJapan Airlines
Wed 6/256:30 amIAD - ITM
2 stops24h 15mJapan Airlines
Deal found 4/23$1,795
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:55 pmKIX - IAD
1 stop26h 45mQatar Airways
Fri 5/3011:00 amIAD - KIX
1 stop41h 25mQatar Airways
Deal found 4/23$1,825

Cheapflights Fare Finder

Customize your flight search to find flights from Osaka to District of Columbia 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 District of Columbia that are best for you.

Fly from

Osaka

Fly to

District of Columbia

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

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

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

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 6/18

4:55 pm-10:50 pm

2 stops18h 55m

Washington, D.C. Dulles Intl

Wed 6/25

6:30 am-2:50 pm

1 stop19h 20m

$1,759

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 6/18

4:55 pm-9:12 pm

1 stop17h 17m

Washington, D.C. Reagan-National

Wed 6/25

7:00 am-2:50 pm

1 stop18h 50m

$1,790

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 37 results
1
2
3
4

Best time to book a flight from Osaka to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

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

Find hourly flight availability from Osaka to District of Columbia. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Osaka to District of Columbia as you normally would.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia 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 District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated April 24, 2025.
Read reviews from past customers who have flown EVA Air, Japan Airlines and ANA from Osaka to District of Columbia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,453 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
ANA
8.3
Very good
853 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Emirates
8.0
Very good
3,205 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
KLM
7.8
Good
1,333 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

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 District of Columbia. 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 District of Columbia one-way?

    For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $803. Users have also found prices from $1,070 and $1,306 on Air China and Qatar Airways, respectively.

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

    When deciding which route to take from Osaka to District of Columbia consider Osaka Itami - Washington, D.C. Dulles Intl, Osaka Itami - Washington, D.C. Reagan-National or Osaka Kansai Intl - Washington, D.C. Dulles Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Osaka to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Osaka to District of Columbia (average of $309). Flying from Osaka to District of Columbia 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Osaka to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Los Angeles flights
Kansai Intl to Honolulu flights
Itami to Los Angeles flights
Kansai Intl to San Francisco flights
Itami to Honolulu flights
Kansai Intl to John F Kennedy Intl flights
Kansai Intl to Newark flights
Itami to John F Kennedy Intl flights
Kansai Intl to Seattle flights
Kansai Intl to LaGuardia flights
Itami to Newark flights
Kansai Intl to O'Hare Intl flights
Itami to O'Hare Intl flights
Itami to San Francisco flights
Itami to Seattle flights
Kansai Intl to Las Vegas flights
Kansai Intl to Dallas/Fort Worth flights
Itami to San Diego flights
Kansai Intl to San Diego flights
Kansai Intl to Baltimore flights
Kansai Intl to George Bush Intcntl flights
Kansai Intl to Portland flights
Itami to Las Vegas flights
Itami to Dulles Intl flights
Kansai Intl to Denver flights
Kansai Intl to Kailua-Kona flights
Kansai Intl to Dulles Intl flights
Kansai Intl to San Jose flights
Itami to Baltimore flights
Kansai Intl to Orlando flights
Kansai Intl to Reagan-National flights
Itami to Orlando flights
Kansai Intl to Burbank flights
Kansai Intl to Salt Lake City flights
Itami to Dallas/Fort Worth flights
Itami to Atlanta flights
Kansai Intl to Indianapolis flights
Kansai Intl to Atlanta flights
Kansai Intl to Miami flights
Kansai Intl to Minneapolis flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.