Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $483

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. Reagan-National Airport to Osaka departing on 4/7. 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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0 bags

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:59 am - 9:45 pm
DCA
-
UKB
24h 46m2 stops
Multiple Airlines Logo
7:05 am - 10:35 pm
UKB
-
DCA
29h 30m2 stops
$898Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
6:59 am - 8:20 pm
DCA
-
ITM
23h 21m2 stops
Multiple Airlines Logo
3:25 pm - 10:35 pm
ITM
-
DCA
21h 10m2 stops
$904Multiple Airlines
Sun, Jan 25 - Tue, Feb 10
Air Canada Logo
6:00 am - 5:40 pm
DCA
-
KIX
21h 40m2 stops
Air Canada Logo
7:25 pm - 10:23 am
KIX
-
DCA
27h 58m2 stops
$937Air Canada
Sun, Mar 1 - Tue, Mar 10
Japan Airlines Logo
8:47 am - 7:55 pm
DCA
-
ITM
21h 08m2 stops
Japan Airlines Logo
2:30 pm - 8:44 pm
ITM
-
DCA
20h 14m2 stops
$938Japan Airlines
Wed, Jan 28 - Tue, Feb 10
Air Canada Logo
6:59 am - 7:25 pm
DCA
-
KIX
22h 26m2 stops
Air Canada Logo
3:45 pm - 10:35 pm
KIX
-
DCA
20h 50m2 stops
$947Air Canada
Sun, Jan 25 - Tue, Feb 10
Japan Airlines Logo
6:59 am - 7:55 pm
DCA
-
ITM
22h 56m2 stops
Japan Airlines Logo
1:40 pm - 9:59 pm
ITM
-
DCA
22h 19m2 stops
$950Japan Airlines
Sun, Jan 25 - Tue, Feb 10
United Airlines Logo
7:00 am - 4:40 pm
DCA
-
KIX
19h 40m1 stop
United Airlines Logo
8:20 am - 8:59 pm
KIX
-
DCA
25h 39m2 stops
$971United Airlines
Sun, Mar 1 - Fri, Mar 13
United Airlines Logo
7:00 am - 4:40 pm
DCA
-
KIX
19h 40m1 stop
United Airlines Logo
6:35 pm - 9:54 am
KIX
-
DCA
28h 19m2 stops
$974United Airlines
Wed, Mar 4 - Wed, Mar 18
ANA Logo
7:30 am - 9:45 pm
DCA
-
UKB
24h 15m2 stops
ANA Logo
7:05 am - 11:59 am
UKB
-
DCA
18h 54m2 stops
$1,073ANA
Fri, Jan 30 - Fri, Feb 13
ANA Logo
10:30 am - 9:45 pm
DCA
-
UKB
21h 15m2 stops
ANA Logo
7:05 am - 11:59 am
UKB
-
DCA
18h 54m2 stops
$1,078ANA
Fri, Jan 30 - Fri, Feb 13

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Osaka flight tickets
Air Canada
Mar 1
DCA6:00 amWashington, D.C. Reagan-National
21h 40m
2 stops
KIX5:40 pmOsaka Kansai Intl
Mar 10
KIX7:25 pmOsaka Kansai Intl
27h 58m
2 stops
DCA10:23 amWashington, D.C. Reagan-National
Air Canada
Jan 25
DCA6:59 amWashington, D.C. Reagan-National
22h 26m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 10
KIX3:45 pmOsaka Kansai Intl
20h 50m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
Air Canada
Jan 10
DCA9:40 amWashington, D.C. Reagan-National
20h 40m
2 stops
ITM8:20 pmOsaka Itami
Jan 22
ITM4:00 pmOsaka Itami
20h 35m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Osaka flight tickets
United Airlines
Mar 1
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Mar 13
KIX8:20 amOsaka Kansai Intl
25h 39m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
United Airlines
Mar 4
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Mar 18
KIX6:35 pmOsaka Kansai Intl
28h 19m
2 stops
DCA9:54 amWashington, D.C. Reagan-National
United Airlines
Jan 26
DCA7:30 amWashington, D.C. Reagan-National
21h 55m
2 stops
KIX7:25 pmOsaka Kansai Intl
Jun 2
KIX8:30 amOsaka Kansai Intl
27h 01m
2 stops
DCA10:31 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Osaka 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 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Kobe

DCA - UKB

DCAUKB

Washington, D.C. Reagan-National

Tue 2/3

6:59 am-9:45 pm

2 stops24h 46m

Kobe

Tue 2/10

7:05 am-10:35 pm

2 stops29h 30m

$898

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 1/25

6:59 am-8:20 pm

2 stops23h 21m

Osaka Itami

Tue 2/10

3:25 pm-10:35 pm

2 stops21h 10m

$904

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 3/1

6:00 am-5:40 pm

2 stops21h 40m

Osaka Kansai Intl

Tue 3/10

7:25 pm-10:23 am

2 stops27h 58m

$937

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 1/28

8:47 am-7:55 pm

2 stops21h 08m

Osaka Itami

Tue 2/10

2:30 pm-8:44 pm

2 stops20h 14m

$938

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 1/25

6:59 am-7:25 pm

2 stops22h 26m

Osaka Kansai Intl

Tue 2/10

3:45 pm-10:35 pm

2 stops20h 50m

$947

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 1/25

6:59 am-7:55 pm

2 stops22h 56m

Osaka Itami

Tue 2/10

1:40 pm-9:59 pm

2 stops22h 19m

$950

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 3/1

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Fri 3/13

8:20 am-8:59 pm

2 stops25h 39m

$971

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 3/4

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Wed 3/18

6:35 pm-9:54 am

2 stops28h 19m

$974

Washington, D.C.Kobe

DCA - UKB

DCAUKB

Washington, D.C. Reagan-National

Fri 1/30

7:30 am-9:45 pm

2 stops24h 15m

Kobe

Fri 2/13

7:05 am-11:59 am

2 stops18h 54m

$1,073

Washington, D.C.Kobe

DCA - UKB

DCAUKB

Washington, D.C. Reagan-National

Fri 1/30

10:30 am-9:45 pm

2 stops21h 15m

Kobe

Fri 2/13

7:05 am-11:59 am

2 stops18h 54m

$1,078

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 Osaka from

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

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 day to depart on your flight to Osaka?

According to our data, Wednesday is the cheapest day to fly to Osaka from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Wednesday departure recently was $1,352. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Osaka for around $1,681.

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

Our data shows that the cheapest Washington, D.C. Reagan-National Airport to Osaka flights are usually those with departure times in the evening. Our users have found flights to Osaka in the evening for as low as $1,390. Flights to Osaka are more costly in the morning, with an average ticket price of $1,475. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Osaka flights?

You could potentially save up to 43% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Osaka flight.

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

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

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

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

Fastest flight time

19h 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka takes 19h 30m
There are no direct flights from Washington, D.C. Reagan-National Airport to Osaka. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Osaka.
  • How far is Washington, D.C. Reagan-National to Osaka by plane?

    Washington, D.C. Reagan-National and Osaka are 6942.5 mi apart from one another. A reasonable flight in good conditions will take 19h 30m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Osaka.

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

    The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

Why use momondo?

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

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 Osaka from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to Osaka from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Osaka 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 Osaka right now. Can momondo alert me if prices change?

Price alerts on flights to Osaka from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 1/20
Tue 1/27

Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka