Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Osaka to Washington, D.C. from $517

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka to Washington, D.C. departing on 1/26. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Osaka to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 am - 8:00 pm
KIX
-
DCA
25h 00m2 stops
Multiple Airlines Logo
9:59 am - 8:45 pm
DCA
-
KIX
44h 46m2 stops
$963Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
8:45 pm - 4:09 pm
KIX
-
DCA
33h 24m2 stops
Multiple Airlines Logo
9:59 am - 6:45 pm
DCA
-
KIX
42h 46m2 stops
$1,117Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Air Canada Logo
3:45 pm - 10:35 pm
KIX
-
DCA
20h 50m2 stops
Air Canada Logo
9:40 am - 7:25 pm
DCA
-
KIX
19h 45m2 stops
$1,151Air Canada
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
3:45 pm - 10:35 pm
KIX
-
DCA
20h 50m2 stops
Air Canada Logo
9:40 am - 7:25 pm
DCA
-
KIX
19h 45m2 stops
$1,153Air Canada
Fri, Jan 30 - Fri, Feb 6
Air Canada Logo
3:45 pm - 8:55 am
KIX
-
DCA
31h 10m2 stops
Air Canada Logo
9:40 am - 7:25 pm
DCA
-
KIX
19h 45m2 stops
$1,154Air Canada
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
3:25 pm - 3:36 pm
ITM
-
DCA
38h 11m2 stops
American Airlines Logo
5:30 pm - 11:45 am
DCA
-
ITM
28h 15m2 stops
$1,167American Airlines
Sun, Feb 1 - Wed, Feb 4
Air Canada Logo
3:00 pm - 10:35 pm
ITM
-
DCA
21h 35m2 stops
Air Canada Logo
6:59 am - 8:20 pm
DCA
-
ITM
23h 21m2 stops
$1,203Air Canada
Fri, Jan 30 - Fri, Feb 6
Cathay Pacific Logo
9:25 am - 4:53 pm
KIX
-
DCA
45h 28m2 stops
Cathay Pacific Logo
9:35 am - 2:55 pm
DCA
-
KIX
39h 20m3 stops
$1,630Cathay Pacific
Fri, Jan 30 - Fri, Feb 6
Cathay Pacific Logo
4:55 pm - 4:53 pm
KIX
-
DCA
37h 58m2 stops
Cathay Pacific Logo
9:35 am - 2:55 pm
DCA
-
KIX
39h 20m3 stops
$1,631Cathay Pacific
Fri, Jan 30 - Fri, Feb 6
United Airlines Logo
6:35 pm - 2:59 pm
KIX
-
DCA
34h 24m2 stops
United Airlines Logo
5:59 pm - 4:40 pm
DCA
-
KIX
32h 41m1 stop
$1,721United Airlines
Thu, Jan 22 - Mon, Jan 26

Air Canada flights from Osaka to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Jan 22
KIX3:45 pmOsaka Kansai Intl
20h 50m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
Jan 26
DCA9:40 amWashington, D.C. Reagan-National
19h 45m
2 stops
KIX7:25 pmOsaka Kansai Intl
$1,151
Find similar
Air Canada
Jan 30
KIX3:45 pmOsaka Kansai Intl
20h 50m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
Feb 6
DCA9:40 amWashington, D.C. Reagan-National
19h 45m
2 stops
KIX7:25 pmOsaka Kansai Intl
$1,153
Find similar
Air Canada
Jan 22
KIX3:45 pmOsaka Kansai Intl
31h 10m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
Jan 26
DCA9:40 amWashington, D.C. Reagan-National
19h 45m
2 stops
KIX7:25 pmOsaka Kansai Intl
$1,154
Find similar

American Airlines flights from Osaka to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Feb 1
ITM3:25 pmOsaka Itami
38h 11m
2 stops
DCA3:36 pmWashington, D.C. Reagan-National
Feb 4
DCA5:30 pmWashington, D.C. Reagan-National
28h 15m
2 stops
ITM11:45 amOsaka Itami
$1,167
Find similar
American Airlines
Dec 22
ITM3:30 pmOsaka Itami
18h 20m
2 stops
DCA7:50 pmWashington, D.C. Reagan-National
Jan 2
DCA8:30 amWashington, D.C. Reagan-National
21h 25m
2 stops
ITM7:55 pmOsaka Itami
$1,997
Find similar
American Airlines
Dec 22
ITM1:40 pmOsaka Itami
23h 20m
2 stops
DCA11:00 pmWashington, D.C. Reagan-National
Jan 2
DCA8:30 amWashington, D.C. Reagan-National
21h 25m
2 stops
ITM7:55 pmOsaka Itami
$2,080
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Osaka to Washington, D.C. Reagan-National Airport 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 December 18, 2025.
Use the filters below to find and compare flights from Osaka to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 1/31

9:00 am-8:00 pm

2 stops25h 00m

Washington, D.C. Reagan-National

Sat 2/7

9:59 am-8:45 pm

2 stops44h 46m

$963

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 1/30

8:45 pm-4:09 pm

2 stops33h 24m

Washington, D.C. Reagan-National

Fri 2/6

9:59 am-6:45 pm

2 stops42h 46m

$1,117

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 1/22

3:45 pm-10:35 pm

2 stops20h 50m

Washington, D.C. Reagan-National

Mon 1/26

9:40 am-7:25 pm

2 stops19h 45m

$1,151

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 1/30

3:45 pm-10:35 pm

2 stops20h 50m

Washington, D.C. Reagan-National

Fri 2/6

9:40 am-7:25 pm

2 stops19h 45m

$1,153

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 1/22

3:45 pm-8:55 am

2 stops31h 10m

Washington, D.C. Reagan-National

Mon 1/26

9:40 am-7:25 pm

2 stops19h 45m

$1,154

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Sun 2/1

3:25 pm-3:36 pm

2 stops38h 11m

Washington, D.C. Reagan-National

Wed 2/4

5:30 pm-11:45 am

2 stops28h 15m

$1,167

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Fri 1/30

3:00 pm-10:35 pm

2 stops21h 35m

Washington, D.C. Reagan-National

Fri 2/6

6:59 am-8:20 pm

2 stops23h 21m

$1,203

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 1/30

9:25 am-4:53 pm

2 stops45h 28m

Washington, D.C. Reagan-National

Fri 2/6

9:35 am-2:55 pm

3 stops39h 20m

$1,630

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 1/30

4:55 pm-4:53 pm

2 stops37h 58m

Washington, D.C. Reagan-National

Fri 2/6

9:35 am-2:55 pm

3 stops39h 20m

$1,631

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 1/22

6:35 pm-2:59 pm

2 stops34h 24m

Washington, D.C. Reagan-National

Mon 1/26

5:59 pm-4:40 pm

1 stop32h 41m

$1,721

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Osaka to Washington, D.C. Reagan-National Airport

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 airline that flies from Osaka to Washington, D.C. Reagan-National?

Air Canada is the most popular carrier operating from Osaka to Washington, D.C. Reagan-National

When to book flights from Osaka to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Osaka to Washington, D.C. Reagan-National Airport (OSA to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka to Washington, D.C. Reagan-National Airport

Fastest flight time

22h 05m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. Reagan-National Airport takes 22h 05m
There are no direct flights from Osaka to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Osaka to Washington, D.C. Reagan-National Airport.
Search flight deals

  • How far is Osaka to Washington, D.C. Reagan-National by plane?

    Osaka and Washington, D.C. Reagan-National are 6942.5 mi apart from one another. Flights usually cover this in 22h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Osaka to Washington, D.C. Reagan-National Airport?

    Prices for flights from Osaka to Washington, D.C. Reagan-National Airport are updated daily.

  • How old do you have to be to fly from Osaka to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Osaka to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from Osaka on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Osaka to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Osaka to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.