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

For one-way options, check prices for WestJet. According to our data, you can fly for as low as $445. Users have also found prices from $621 and $649 on ANA and United Airlines, respectively.

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August 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 42.8 F).

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Japan?

The most popular route from Washington, D.C. Dulles Intl Airport to Japan is Washington, D.C. Dulles Intl - Tokyo Haneda. You may also consider Washington, D.C. Dulles Intl - Tokyo Narita or Washington, D.C. Dulles Intl - Osaka Kansai Intl.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Japan?

Travelers have found it’s best to book a flight 13 days in advance to save up to 11% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 13 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Japan 1-2 weeks in advance for as low as $1,134, or $1,360 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Japan?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Japan. Flights to Japan from Washington, D.C. Dulles Intl Airport in January are about $1,278 on average during January, but can be found for as low as $820.

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

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

How can I find direct flights from Dulles Intl to Japan?

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

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

Yes. Cheapflights offers flight deals from Dulles Intl to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$423+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Japan

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Cheap flight deals from Dulles Intl to Japan

Round-trip from	$865 (CrystalTravel)
One-way from	$423 (Mytrip)
Popular in	December
Cheapest in	January
Average price	$1,267
Good round-trip deal	$994 or less
Good one-way deal	$647 or less

From Washington, D.C. Dulles Intl to Japan

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One-way flight from Washington, D.C. Dulles Intl to Japan

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Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Japan.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Japan.

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Find flight deals from Dulles Intl to Japan

Cheapest flights from Dulles Intl to Japan
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 August 14, 2025.

Fri 11/710:00 pmIAD - HND

1 stop26h 25mAir China

Mon 11/243:25 pmHND - IAD

1 stop41h 05mAir China

Deal found 8/12

$864

Tue 9/211:00 pmIAD - HND

1 stop33h 30mAir China

Thu 9/112:00 pmHND - IAD

1 stop42h 30mAir China

Deal found 8/13

$875

Mon 9/156:45 pmIAD - NRT

1 stop32h 40mMultiple Airlines

Mon 9/222:35 pmNRT - IAD

2 stops22h 40mMultiple Airlines

Deal found 8/13

$879

Fri 10/311:00 pmIAD - HND

1 stop32h 00mAir China

Mon 10/202:00 pmHND - IAD

1 stop42h 30mAir China

Deal found 8/11

$882

Tue 11/1110:00 pmIAD - NRT

1 stop31h 00mAir China

Mon 11/173:15 pmNRT - IAD

1 stop41h 15mAir China

Deal found 8/13

$887

Tue 10/1411:00 pmIAD - HND

1 stop32h 00mAir China

Thu 10/232:00 pmHND - IAD

1 stop42h 30mAir China

Deal found 8/12

$888

Tue 10/1411:00 pmIAD - NRT

1 stop30h 50mAir China

Thu 10/238:15 pmNRT - IAD

1 stop36h 15mAir China

Deal found 8/12

$888

Fri 11/2110:00 pmIAD - KIX

1 stop28h 00mAir China

Mon 12/81:50 pmKIX - IAD

1 stop42h 40mAir China

Deal found 8/13

$891

Tue 9/211:00 pmIAD - NRT

1 stop30h 50mAir China

Mon 9/158:15 pmNRT - IAD

1 stop36h 15mAir China

Deal found 8/13

$892

Fri 11/710:00 pmIAD - HND

1 stop33h 30mAir China

Mon 11/172:20 pmHND - IAD

1 stop42h 10mAir China

Deal found 8/12

$893

Fri 8/2911:00 pmIAD - NRT

1 stop30h 50mAir China

Mon 9/83:15 pmNRT - IAD

1 stop41h 15mAir China

Deal found 8/12

$893

Tue 11/410:00 pmIAD - KIX

1 stop28h 00mAir China

Mon 11/105:10 pmKIX - IAD

1 stop39h 20mAir China

Deal found 8/13

$896

Best flights from Dulles Intl to Japan
Discover carefully curated flight deals from Dulles Intl to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Tue 11/410:00 pmIAD - KIX

1 stop28h 00mAir China

Mon 11/105:10 pmKIX - IAD

1 stop39h 20mAir China

Deal found 8/13

$896

Wed 9/178:25 amIAD - KIX

1 stop19h 00mAir Canada

Wed 9/246:05 pmKIX - IAD

2 stops30h 08mAir Canada

Deal found 8/13

$945

Sat 9/277:00 amIAD - UKB

2 stops38h 10mMultiple Airlines

Sat 10/411:10 amUKB - IAD

2 stops26h 13mMultiple Airlines

Deal found 8/13

$1,022

Sun 11/911:05 amIAD - FUK

1 stop18h 00mANA

Tue 11/189:05 pmFUK - IAD

1 stop26h 05mANA

Deal found 8/13

$1,076

Sun 11/96:30 amIAD - FUK

2 stops45h 50mUnited Airlines

Tue 11/1812:30 pmFUK - IAD

1 stop34h 40mUnited Airlines

Deal found 8/13

$1,113

Sun 11/97:43 amIAD - FUK

2 stops45h 52mChina Airlines

Tue 11/188:35 pmFUK - IAD

2 stops34h 05mChina Airlines

Deal found 8/13

$1,116

Mon 10/205:54 pmIAD - NGO

2 stops38h 21mCathay Pacific

Thu 11/204:40 pmNGO - IAD

3 stops43h 52mCathay Pacific

Deal found 8/13

$1,124

Tue 11/410:00 pmIAD - KIX

1 stop28h 00mAir China

Thu 11/135:10 pmKIX - IAD

1 stop39h 20mAir China

Deal found 8/13

$896

Wed 9/103:41 pmIAD - KIX

1 stop35h 44mAir Canada

Wed 9/176:05 pmKIX - IAD

2 stops30h 08mAir Canada

Deal found 8/13

$952

Fri 11/710:00 pmIAD - KIX

1 stop32h 10mAir China

Thu 11/135:10 pmKIX - IAD

1 stop39h 20mAir China

Deal found 8/13

$896

Sun 9/287:00 amIAD - FUK

2 stops38h 15mMultiple Airlines

Sun 10/511:30 amFUK - IAD

2 stops33h 03mMultiple Airlines

Deal found 8/14

$1,031

Mon 12/89:00 amIAD - ITM

2 stops20h 10mAir Canada

Fri 12/124:00 pmITM - IAD

2 stops18h 29mAir Canada

Deal found 8/12

$958

Last-minute flights from Dulles Intl to Japan
Discover last-minute flight deals from Dulles Intl to Japan. Data last updated August 14, 2025 and is based on user searches.

Tue 8/1912:15 pmIAD - HND

Nonstop14h 05mMultiple Airlines

Tue 9/28:15 pmHND - IAD

3 stops48h 18mMultiple Airlines

Deal found 8/13

$1,087

Tue 8/198:25 amIAD - NRT

1 stop17h 30mAir Canada

Sat 8/305:35 pmNRT - IAD

1 stop16h 26mAir Canada

Deal found 8/12

$1,136

Thu 8/219:35 amIAD - NRT

1 stop16h 50mAir Canada

Sat 9/135:35 pmNRT - IAD

2 stops29h 03mAir Canada

Deal found 8/12

$1,080

Thu 8/216:04 pmIAD - NRT

2 stops33h 01mCathay Pacific

Wed 12/179:30 pmNRT - IAD

2 stops38h 44mCathay Pacific

Deal found 8/12

$1,105

Thu 8/2111:51 amIAD - NRT

2 stops39h 14mMultiple Airlines

Sat 9/139:25 amNRT - IAD

2 stops38h 32mMultiple Airlines

Deal found 8/13

$1,117

Thu 8/2110:20 amIAD - HND

1 stop16h 30mAir Canada

Sat 9/136:10 pmHND - IAD

2 stops30h 03mAir Canada

Deal found 8/12

$1,349

Fri 8/228:25 amIAD - NRT

1 stop17h 30mAir Canada

Sat 9/65:35 pmNRT - IAD

1 stop16h 30mAir Canada

Deal found 8/12

$1,113

Fri 8/2210:20 amIAD - HND

1 stop16h 30mAir Canada

Sat 9/66:10 pmHND - IAD

1 stop28h 28mAir Canada

Deal found 8/12

$1,138

Fri 8/2210:20 amIAD - NRT

1 stop16h 30mAir Canada

Fri 9/55:35 pmNRT - IAD

1 stop16h 30mAir Canada

Deal found 8/14

$1,151

Fri 8/2210:20 amIAD - HND

1 stop16h 30mAir Canada

Fri 9/56:10 pmHND - IAD

1 stop28h 28mAir Canada

Deal found 8/12

$1,191

Sun 8/2410:20 amIAD - NRT

1 stop16h 30mAir Canada

Sun 9/75:35 pmNRT - IAD

1 stop16h 30mAir Canada

Deal found 8/13

$1,171

Sun 8/2410:20 amIAD - HND

1 stop16h 30mAir Canada

Sun 9/76:10 pmHND - IAD

1 stop28h 28mAir Canada

Deal found 8/12

$1,185

One-way flights from Dulles Intl to Japan
Search for one-way flight options from Dulles Intl to Japan. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Mon 9/156:45 pmIAD - NRT

2 stops31h 10mMultiple Airlines

Deal found 8/12

$423

Fri 9/56:45 pmIAD - NRT

1 stop32h 40mWestJet

Deal found 8/13

$445

Wed 9/105:52 pmIAD - NRT

2 stops31h 58mMultiple Airlines

Deal found 8/13

$449

Mon 8/258:00 amIAD - NRT

2 stops47h 00mMultiple Airlines

Deal found 8/13

$452

Fri 9/55:52 pmIAD - NRT

2 stops31h 58mMultiple Airlines

Deal found 8/13

$453

Thu 10/98:02 pmIAD - NRT

2 stops29h 18mMultiple Airlines

Deal found 8/12

$458

Fri 9/265:52 pmIAD - NRT

2 stops31h 58mMultiple Airlines

Deal found 8/12

$459

Wed 8/279:30 amIAD - NRT

3 stops40h 20mMultiple Airlines

Deal found 8/12

$464

Mon 9/86:45 pmIAD - NRT

1 stop32h 40mWestJet

Deal found 8/12

$465

Tue 8/269:30 amIAD - NRT

3 stops40h 20mMultiple Airlines

Deal found 8/12

$467

Thu 9/117:14 pmIAD - NRT

3 stops59h 46mMultiple Airlines

Deal found 8/13

$468

Mon 10/134:45 pmIAD - HND

3 stops41h 45mMultiple Airlines

Deal found 8/14

$481

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.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-4:00 pm

1 stop28h 00m

Osaka Kansai Intl

Mon 11/10

5:10 pm-6:30 pm

1 stop39h 20m

$896

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-4:00 pm

1 stop28h 00m

Osaka Kansai Intl

Thu 11/13

5:10 pm-6:30 pm

1 stop39h 20m

$896

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 11/7

10:00 pm-8:10 pm

1 stop32h 10m

Osaka Kansai Intl

Thu 11/13

5:10 pm-6:30 pm

1 stop39h 20m

$896

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 11/7

10:00 pm-8:10 pm

1 stop32h 10m

Osaka Kansai Intl

Mon 11/10

5:10 pm-6:30 pm

1 stop39h 20m

$896

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/16

11:00 pm-12:40 pm

1 stop24h 40m

Osaka Kansai Intl

Tue 9/23

9:05 am-7:30 pm

1 stop23h 25m

$915

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 8/29

11:00 pm-12:40 pm

1 stop24h 40m

Osaka Kansai Intl

Fri 9/5

9:05 am-7:30 pm

1 stop23h 25m

$915

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/17

8:25 am-4:25 pm

1 stop19h 00m

Osaka Kansai Intl

Wed 9/24

6:05 pm-11:13 am

2 stops30h 08m

$945

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/10

3:41 pm-4:25 pm

1 stop35h 44m

Osaka Kansai Intl

Wed 9/17

6:05 pm-11:13 am

2 stops30h 08m

$952

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 12/8

9:00 am-7:10 pm

2 stops20h 10m

Osaka Itami

Fri 12/12

4:00 pm-8:29 pm

2 stops18h 29m

$958

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/30

10:20 am-4:25 pm

1 stop17h 05m

Osaka Kansai Intl

Tue 10/21

6:05 pm-11:13 am

2 stops30h 08m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results

...

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.

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 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Japan (average of $889). Flying from Washington, D.C. Dulles Intl Airport to Japan in December is currently the most expensive (average of $1,619). 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?

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.

Reviews of airlines servicing Japan

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.

ANA

8.4

Very good

933 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

ANA

8.4

Very good

933 reviews

ANA

8.4

Very good

933 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Alaska Airlines

8.0

Very good

10,000 reviews

ANA

8.4

Very good

933 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Delta

8.0

Very good

7,980 reviews

ANA

8.4

Very good

933 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

United Airlines

7.4

Good

8,916 reviews

ANA

8.4

Very good

933 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Air Canada

7.1

Good

9,949 reviews

ANA

8.4

Very good

933 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Japan one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as $445. Users have also found prices from $621 and $649 on ANA and United Airlines, respectively.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Japan?
The most popular route from Washington, D.C. Dulles Intl Airport to Japan is Washington, D.C. Dulles Intl - Tokyo Haneda. You may also consider Washington, D.C. Dulles Intl - Tokyo Narita or Washington, D.C. Dulles Intl - Osaka Kansai Intl.
Can I find deals for flights from Dulles Intl to Japan that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Japan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Japan.
Can I find deals for business class flights from Dulles Intl to Japan?
Yes. Cheapflights offers flight deals from Dulles Intl to Japan 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 Washington, D.C. Dulles Intl Airport to Japan?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Japan (average of $889). Flying from Washington, D.C. Dulles Intl Airport to Japan in December is currently the most expensive (average of $1,619). 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

Top 6 airlines flying from Dulles Intl to Japan

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$236	Average$1,484	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$327	Average$1,743	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$630	Average$924	FlexibilityNo cancel fee	On-timeN/A
ANA	Cheapest$826	Average$1,772	FlexibilityNo cancel fee	On-time80%
Air Canada	Cheapest$873	Average$1,340	FlexibilityNo cancel fee	On-time67%
Air China	Cheapest$1,283	Average$1,297	FlexibilityNo cancel fee	On-time67%

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$423+ 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 9/15. 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

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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 August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 August 14, 2025.

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 August 14, 2025.

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.

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?

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 August 14, 2025.

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 August 14, 2025.

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.

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.

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

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Japan?

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

How can I find direct flights from Dulles Intl to Japan?

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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Japan?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Japan

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Dulles Intl to Japan

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Cheapest flights from Dulles Intl to Japan
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 August 14, 2025.