Cheap flights from Washington, D.C. Dulles Intl Airport to Japan from $484

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Japan departing on 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Japan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:55 am - 4:25 pm
IAD
-
KIX
17h 30m
1 stop
Air Canada Logo
6:00 pm - 8:25 pm
KIX
-
IAD
15h 25m
1 stop
$1,124Air Canada
Tue, Sep 15 - Wed, Sep 30
Air Canada Logo
10:36 pm - 4:25 pm
IAD
-
KIX
28h 49m
1 stop
Air Canada Logo
6:00 pm - 11:01 am
KIX
-
IAD
30h 01m
2 stops
$1,129Air Canada
Wed, Sep 16 - Tue, Sep 22
Air Canada Logo
10:36 pm - 4:25 pm
IAD
-
KIX
28h 49m
2 stops
Air Canada Logo
6:00 pm - 8:25 pm
KIX
-
IAD
15h 25m
1 stop
$1,134Air Canada
Tue, Sep 15 - Wed, Sep 30
EVA Air Logo
1:15 am - 6:55 pm
IAD
-
OKA
28h 40m
1 stop
EVA Air Logo
7:55 pm - 10:00 pm
OKA
-
IAD
39h 05m
1 stop
$1,136EVA Air
Mon, Sep 7 - Tue, Oct 13
EVA Air Logo
1:50 am - 8:20 pm
IAD
-
HND
29h 30m
1 stop
EVA Air Logo
12:40 pm - 10:00 pm
HND
-
IAD
22h 20m
1 stop
$1,138EVA Air
Mon, Aug 31 - Sat, Sep 12
WestJet Logo
7:00 pm - 4:20 pm
IAD
-
NRT
32h 20m
1 stop
WestJet Logo
6:30 pm - 6:10 pm
NRT
-
IAD
36h 40m
1 stop
$1,140WestJet
Mon, Aug 24 - Thu, Sep 3
Multiple Airlines Logo
6:03 am - 4:00 pm
IAD
-
NRT
20h 57m
1 stop
Multiple Airlines Logo
9:30 pm - 5:40 am
NRT
-
IAD
21h 10m
2 stops
$1,142Multiple Airlines
Tue, Aug 18 - Wed, Sep 2
Multiple Airlines Logo
1:50 am - 12:25 pm
IAD
-
NRT
21h 35m
1 stop
Multiple Airlines Logo
9:30 pm - 2:17 pm
NRT
-
IAD
29h 47m
2 stops
$1,143Multiple Airlines
Wed, Aug 5 - Tue, Sep 1
ANA Logo
12:35 pm - 9:45 pm
IAD
-
UKB
20h 10m
1 stop
ANA Logo
9:15 pm - 10:05 am
UKB
-
IAD
25h 50m
1 stop
$1,396ANA
Sun, Oct 4 - Mon, Oct 19
ANA Logo
12:15 pm - 6:10 pm
IAD
-
ITM
16h 55m
1 stop
ANA Logo
7:30 am - 10:05 am
ITM
-
IAD
15h 35m
1 stop
$1,396ANA
Tue, Sep 22 - Thu, Oct 8

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Cathay Pacific flights from Washington, D.C. Dulles Intl Airport to Japan

Our best Cathay Pacific deals on Washington, D.C. Dulles Intl Airport to Japan flight tickets
Cathay Pacific
Oct 7
IAD6:41 pmWashington, D.C. Dulles Intl
29h 04m
2 stops
FUK12:45 pmFukuoka
Oct 21
FUK4:40 pmFukuoka
49h 20m
2 stops
IAD5:00 amWashington, D.C. Dulles Intl
$1,372
Cathay Pacific
Sep 22
IAD6:41 pmWashington, D.C. Dulles Intl
29h 14m
2 stops
KIX12:55 pmOsaka Kansai Intl
Oct 8
KIX9:05 amOsaka Kansai Intl
41h 55m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
$1,376
Cathay Pacific
May 1
IAD5:59 pmWashington, D.C. Dulles Intl
29h 46m
2 stops
FUK12:45 pmFukuoka
May 16
FUK2:00 pmFukuoka
28h 40m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
$1,461

WestJet flights from Washington, D.C. Dulles Intl Airport to Japan

Our best WestJet deals on Washington, D.C. Dulles Intl Airport to Japan flight tickets
WestJet
Jul 10
IAD7:00 pmWashington, D.C. Dulles Intl
32h 20m
1 stop
NRT4:20 pmTokyo Narita
Jul 23
NRT6:30 pmTokyo Narita
36h 40m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$1,278
WestJet
Jul 6
IAD7:00 pmWashington, D.C. Dulles Intl
32h 20m
1 stop
NRT4:20 pmTokyo Narita
Jul 23
NRT6:30 pmTokyo Narita
36h 40m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$1,332

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Japan 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, momondo users made 832,500 searches. Data last updated April 28, 2026.
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

Cheapest round-trip

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/15

9:55 am-4:25 pm

1 stop17h 30m

Osaka Kansai Intl

Wed 9/30

6:00 pm-8:25 pm

1 stop15h 25m

$1,124

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/16

10:36 pm-4:25 pm

1 stop28h 49m

Osaka Kansai Intl

Tue 9/22

6:00 pm-11:01 am

2 stops30h 01m

$1,129

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/15

10:36 pm-4:25 pm

2 stops28h 49m

Osaka Kansai Intl

Wed 9/30

6:00 pm-8:25 pm

1 stop15h 25m

$1,134

Washington, D.C.Okinawa

IAD - OKA

IADOKA

Washington, D.C. Dulles Intl

Mon 9/7

1:15 am-6:55 pm

1 stop28h 40m

Okinawa Naha

Tue 10/13

7:55 pm-10:00 pm

1 stop39h 05m

$1,136

Washington, D.C.Tokyo

IAD - HND

IADHND

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-8:20 pm

1 stop29h 30m

Tokyo Haneda

Sat 9/12

12:40 pm-10:00 pm

1 stop22h 20m

$1,138

Washington, D.C.Tokyo

IAD - NRT

IADNRT

Washington, D.C. Dulles Intl

Mon 8/24

7:00 pm-4:20 pm

1 stop32h 20m

Tokyo Narita

Thu 9/3

6:30 pm-6:10 pm

1 stop36h 40m

$1,140

Washington, D.C.Tokyo

IAD - NRT

IADNRT

Washington, D.C. Dulles Intl

Tue 8/18

6:03 am-4:00 pm

1 stop20h 57m

Tokyo Narita

Wed 9/2

9:30 pm-5:40 am

2 stops21h 10m

$1,142

Washington, D.C.Tokyo

IAD - NRT

IADNRT

Washington, D.C. Dulles Intl

Wed 8/5

1:50 am-12:25 pm

1 stop21h 35m

Tokyo Narita

Tue 9/1

9:30 pm-2:17 pm

2 stops29h 47m

$1,143

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 10/4

12:35 pm-9:45 pm

1 stop20h 10m

Kobe

Mon 10/19

9:15 pm-10:05 am

1 stop25h 50m

$1,396
Quickest round-trip

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 9/22

12:15 pm-6:10 pm

1 stop16h 55m

Osaka Itami

Thu 10/8

7:30 am-10:05 am

1 stop15h 35m

$1,396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Japan from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Japan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Japan?

The month of August is, on average, the cheapest month to fly to Japan from Washington, D.C. Dulles Intl Airport, with most prices found around $143. If you aren’t able to travel to Japan during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $148.

What is the cheapest day to depart on your flight to Japan?

On average, the least expensive day to fly to Japan from Washington, D.C. Dulles Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $1,276. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. Dulles Intl Airport to Japan on a Friday will generally be more expensive and average around $1,473. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Japan?

Flying to Japan from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $975 when looking at flights departing in the evening. At noon is when there is more demand to fly to Japan, so prices are often more expensive at around $1,469 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Japan flight route?

Fly from Washington, D.C. Dulles Intl to Tokyo Haneda for the best Washington, D.C. Dulles Intl - Japan flight prices

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

You are more likely to see cheaper flights to Japan from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $1,252 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Washington, D.C. Dulles Intl Airport for as low as $990 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Japan flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Japan flights?

You could potentially save up to 26% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Japan flight.

Cheap Washington, D.C. Dulles Intl Airport to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Japan

Best Price Found

$791

Fastest flight time

14h 05m

Direct flights

Every day

Airports in Japan

202 airports
The best one-way flight to Japan from Washington, D.C. Dulles Intl Airport in the past 72 hours is $791. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Japan found on momondo in the last 72 hours is $1,449.
The fastest flight from Washington, D.C. Dulles Intl Airport to Japan takes 14h 05m
Direct flights go from Washington, D.C. Dulles Intl Airport to Japan every day.
There are 202 airports in Japan. From Washington, D.C. Dulles Intl Airport there are direct flights to Tokyo Haneda (HND).

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Japan

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Japan?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Japan are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Japan?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Japan?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Japan.

  • What documentation or ID do you need to fly to Japan?

    The required travel and health documents for your Japan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Japan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Japan?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Japan

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Japan with momondo
Airline
Rating
Free Cancellation
Price
AIR PREMIAPriceFrom $489Free CancellationRating
8.2
87 reviews
Search AIR PREMIA flights
Air CanadaPriceFrom $872Free CancellationRating
7.1
10,975 reviews
Search Air Canada flights
ANAPriceFrom $921Free CancellationRating
8.4
1,199 reviews
Search ANA flights
United AirlinesPriceFrom $1,001Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Japan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Japan from Washington, D.C..

Can I find flights from Washington, D.C. to Japan with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Japan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Japan?

momondo provides multiple filters to help you find the best flight to Japan from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Japan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Japan from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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