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Cheap flights from Osaka to Washington, D.C. from $410

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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
1:05 pm - 10:35 pmKIX-DCA
23h 30m2 stops
Multiple Airlines Logo
9:40 am - 7:25 pmDCA-KIX
19h 45m2 stops
$1,149Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Jan 19
Multiple Airlines Logo
3:00 pm - 7:44 pmKIX-DCA
18h 44m2 stops
Multiple Airlines Logo
8:40 am - 6:50 pmDCA-KIX
20h 10m1 stop
$1,456Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Jan 19
American Airlines Logo
3:30 pm - 9:00 pmITM-DCA
19h 30m2 stops
American Airlines Logo
6:10 am - 7:20 pmDCA-ITM
23h 10m2 stops
$1,460American Airlines
Find Deal
Mon, Dec 15 - Mon, Jan 19
Japan Airlines Logo
11:30 am - 10:33 pmITM-DCA
24h 03m2 stops
Japan Airlines Logo
9:59 pm - 7:50 pmDCA-ITM
32h 51m2 stops
$1,483Japan Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
Japan Airlines Logo
7:25 am - 10:33 pmITM-DCA
28h 08m2 stops
Japan Airlines Logo
9:59 pm - 7:50 pmDCA-ITM
32h 51m2 stops
$1,484Japan Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
8:30 am - 4:56 pmKIX-DCA
45h 26m2 stops
United Airlines Logo
6:00 am - 2:50 pmDCA-KIX
43h 50m3 stops
$1,546United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
4:55 pm - 9:53 pmKIX-DCA
17h 58m1 stop
United Airlines Logo
7:00 pm - 7:30 pmDCA-KIX
35h 30m2 stops
$1,551United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
Cathay Pacific Logo
4:15 pm - 4:25 pmKIX-DCA
38h 10m3 stops
Cathay Pacific Logo
6:10 am - 5:50 pmDCA-KIX
45h 40m2 stops
$1,623Cathay Pacific
Find Deal
Mon, Dec 15 - Mon, Jan 19
Cathay Pacific Logo
4:15 pm - 4:25 pmKIX-DCA
38h 10m3 stops
Cathay Pacific Logo
9:35 am - 2:55 pmDCA-KIX
39h 20m3 stops
$1,639Cathay Pacific
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Mon, Dec 15 - Mon, Jan 19
American Airlines Logo
7:25 am - 10:57 pmITM-DCA
29h 32m2 stops
American Airlines Logo
6:00 am - 7:20 pmDCA-ITM
23h 20m2 stops
$1,707American Airlines
Find Deal
Mon, Dec 22 - Fri, Jan 2

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
Dec 15
ITM3:30 pmOsaka Itami
19h 30m
2 stops
DCA9:00 pmWashington, D.C. Reagan-National
Jan 19
DCA6:10 amWashington, D.C. Reagan-National
23h 10m
2 stops
ITM7:20 pmOsaka Itami
$1,460
Find similar
American Airlines
Dec 22
ITM7:25 amOsaka Itami
29h 32m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Jan 2
DCA6:00 amWashington, D.C. Reagan-National
23h 20m
2 stops
ITM7:20 pmOsaka Itami
$1,707
Find similar
American Airlines
Dec 22
ITM3:30 pmOsaka Itami
19h 40m
2 stops
DCA9:10 pmWashington, D.C. Reagan-National
Jan 2
DCA8:52 amWashington, D.C. Reagan-National
33h 48m
2 stops
ITM8:40 amOsaka Itami
$1,708
Find similar

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

Our best Japan Airlines deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
Japan Airlines
Apr 14
ITM11:30 amOsaka Itami
24h 03m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
Apr 18
DCA9:59 pmWashington, D.C. Reagan-National
32h 51m
2 stops
ITM7:50 pmOsaka Itami
$1,483
Find similar
Japan Airlines
Apr 14
ITM7:25 amOsaka Itami
28h 08m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
Apr 18
DCA9:59 pmWashington, D.C. Reagan-National
32h 51m
2 stops
ITM7:50 pmOsaka Itami
$1,484
Find similar
Japan Airlines
Apr 14
KIX2:55 pmOsaka Kansai Intl
20h 38m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
Apr 18
DCA8:16 amWashington, D.C. Reagan-National
35h 09m
2 stops
KIX8:25 amOsaka Kansai Intl
$1,485
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 November 4, 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

Mon 12/15

1:05 pm-10:35 pm

2 stops23h 30m

Washington, D.C. Reagan-National

Mon 1/19

9:40 am-7:25 pm

2 stops19h 45m

$1,149

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 12/15

3:00 pm-7:44 pm

2 stops18h 44m

Washington, D.C. Reagan-National

Mon 1/19

8:40 am-6:50 pm

1 stop20h 10m

$1,456

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Mon 12/15

3:30 pm-9:00 pm

2 stops19h 30m

Washington, D.C. Reagan-National

Mon 1/19

6:10 am-7:20 pm

2 stops23h 10m

$1,460

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 4/14

11:30 am-10:33 pm

2 stops24h 03m

Washington, D.C. Reagan-National

Sat 4/18

9:59 pm-7:50 pm

2 stops32h 51m

$1,483

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 4/14

7:25 am-10:33 pm

2 stops28h 08m

Washington, D.C. Reagan-National

Sat 4/18

9:59 pm-7:50 pm

2 stops32h 51m

$1,484

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 4/14

8:30 am-4:56 pm

2 stops45h 26m

Washington, D.C. Reagan-National

Sat 4/18

6:00 am-2:50 pm

3 stops43h 50m

$1,546

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 4/14

4:55 pm-9:53 pm

1 stop17h 58m

Washington, D.C. Reagan-National

Sat 4/18

7:00 pm-7:30 pm

2 stops35h 30m

$1,551

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 12/15

4:15 pm-4:25 pm

3 stops38h 10m

Washington, D.C. Reagan-National

Mon 1/19

6:10 am-5:50 pm

2 stops45h 40m

$1,623

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 12/15

4:15 pm-4:25 pm

3 stops38h 10m

Washington, D.C. Reagan-National

Mon 1/19

9:35 am-2:55 pm

3 stops39h 20m

$1,639

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Mon 12/22

7:25 am-10:57 pm

2 stops29h 32m

Washington, D.C. Reagan-National

Fri 1/2

6:00 am-7:20 pm

2 stops23h 20m

$1,707

Flights are sorted by cheapest round-trip flights first.

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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?

China Airlines, Alaska Airlines, and EVA Air are the most popular carriers 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

Direct flights

None
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.
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  • 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 16h 55m, 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
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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.

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