$432+ Cheap flights from Dulles Intl (IAD) to Japan
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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Dulles Intl to Japan 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 Dulles Intl to Japan
Keep the following information in mind while searching for Dulles Intl to Japan flight deals. Data was last updated January 14, 2026.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $855 (Air Canada) |
One-way from | $432 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,147 |
Good round-trip deal | $1,127 or less |
Good one-way deal | $620 or less |
Find flight deals from Dulles Intl to Japan
Cheapest flights from Dulles Intl to JapanExplore the most affordable flight options available from Dulles Intl to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.
Explore the most affordable flight options available from Dulles Intl to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.
This Air Canada deal was found by Cheapflights users on 1/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/13. 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.
This Air Canada deal was found by Cheapflights users on 1/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This lol.travel deal was found by Cheapflights users on 1/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This lol.travel deal was found by Cheapflights users on 1/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Vliegwinkel deal was found by Cheapflights users on 1/14. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Japan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Nagoya
IAD - NGO
IADNGO
Washington, D.C. Dulles Intl
Mon 2/9
1:15 pm-7:45 pm
2 stops40h 30m
Nagoya Chubu Centrair Intl
Mon 2/16
8:20 am-8:54 pm
2 stops26h 34m
Washington, D.C.Nagoya
IAD - NGO
IADNGO
Washington, D.C. Dulles Intl
Thu 2/26
9:00 am-7:45 pm
2 stops20h 45m
Nagoya Chubu Centrair Intl
Thu 3/5
2:00 pm-8:54 pm
2 stops20h 54m
Washington, D.C.Osaka
IAD - ITM
IADITM
Washington, D.C. Dulles Intl
Sun 2/15
9:00 am-8:20 pm
2 stops21h 20m
Osaka Itami
Wed 2/25
4:00 pm-9:21 pm
2 stops19h 21m
Washington, D.C.Nagoya
IAD - NGO
IADNGO
Washington, D.C. Dulles Intl
Mon 4/20
9:55 am-6:35 pm
2 stops19h 40m
Nagoya Chubu Centrair Intl
Thu 5/7
2:10 pm-8:32 pm
2 stops19h 22m
Washington, D.C.Okinawa
IAD - OKA
IADOKA
Washington, D.C. Dulles Intl
Sun 4/26
12:15 pm-7:40 pm
1 stop18h 25m
Okinawa Naha
Thu 5/14
7:25 am-3:40 pm
2 stops21h 15m
Washington, D.C.Okinawa
IAD - OKA
IADOKA
Washington, D.C. Dulles Intl
Tue 4/28
12:15 pm-8:55 pm
1 stop19h 40m
Okinawa Naha
Fri 5/15
7:25 am-3:40 pm
2 stops21h 15m
Washington, D.C.Fukuoka
IAD - FUK
IADFUK
Washington, D.C. Dulles Intl
Tue 4/14
12:15 pm-7:05 pm
1 stop17h 50m
Fukuoka
Wed 4/29
8:50 pm-3:40 pm
1 stop31h 50m
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Tue 2/24
12:20 pm-8:00 am
1 stop29h 40m
Kobe
Fri 5/22
7:05 am-10:05 am
1 stop16h 00m
Washington, D.C.Kobe
IAD - UKB
IADUKB
Washington, D.C. Dulles Intl
Sun 2/15
11:10 am-9:45 pm
1 stop20h 35m
Kobe
Wed 2/25
7:05 am-3:40 pm
1 stop22h 35m
Washington, D.C.Nagoya
IAD - NGO
IADNGO
Washington, D.C. Dulles Intl
Mon 4/20
12:15 pm-8:20 pm
1 stop19h 05m
Nagoya Chubu Centrair Intl
Thu 5/7
7:20 am-3:40 pm
1 stop21h 20m
Best time to book a flight from Dulles Intl to Japan
Have a flexible travel schedule? Discover the best time to fly to Japan from Dulles Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Japan
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Japan?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Japan (average of $276). Flying from Washington, D.C. Dulles Intl Airport to Japan in June is currently the most expensive (average of $1,232). 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.
What is the cheapest time of day to fly from IAD to JP?
Find hourly flight availability from Dulles Intl to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 14, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Japan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Washington, D.C. to Japan delayed?
About 17% of weekly flights between Washington, D.C. and Japan have experienced delays in the past year, with the average delay time being 181 minutes.
What is the most punctual flight time for Washington, D.C. to Japan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Japan flights?
Over the last year, ANA have had the lowest number of delays on this route, with just 8% of flights being delayed.
Reviews of airlines servicing Japan
Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated January 14, 2026.
See what other customers who have flown with ANA, Alaska Airlines, and Delta from Washington, D.C. Dulles Intl Airport to Japan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Lindsey,Jan 2026
CGK - HND
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Lindsey,Jan 2026
CGK - HND
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Lindsey,Jan 2026
CGK - HND
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Lindsey,Jan 2026
CGK - HND
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Lindsey,Jan 2026
CGK - HND
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Lindsey,Jan 2026
CGK - HND
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 Dulles Intl to Japan
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Dulles Intl to Japan
Discover the top 5 airlines that operate flights from Dulles Intl to Japan. 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 January 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$1,484 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$327 | Average$1,570 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$630 | Average$1,016 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$826 | Average$1,674 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$922 | Average$1,350 | FlexibilityNo cancel fee | On-time67% |