Cheap flights from District of Columbia to Osaka from $443

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Osaka departing on 9/15. 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

Discover deals from 900+ travel sites with momondo.

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.

Find the cheapest flights from District of Columbia to Osaka

Cheap round-trip flights

Air China Logo
11:00 pm - 12:40 pmIAD-KIX
24h 40m1 stop
Air China Logo
9:05 am - 7:30 pmKIX-IAD
23h 25m1 stop
$915Air China
Find Deal
Fri, Aug 29 - Fri, Sep 5
Air Canada Logo
4:35 pm - 4:25 pmDCA-KIX
34h 50m2 stops
Air Canada Logo
6:05 pm - 10:20 amKIX-DCA
29h 15m2 stops
$940Air Canada
Find Deal
Mon, Sep 29 - Mon, Oct 6
Cathay Pacific Logo
5:27 pm - 12:45 pmIAD-KIX
29h 18m2 stops
Cathay Pacific Logo
9:50 am - 10:18 pmKIX-IAD
26h 28m2 stops
$1,045Cathay Pacific
Find Deal
Tue, Nov 11 - Wed, Nov 19
 Logo
7:00 am - 9:40 amIAD-KIX
37h 40m2 stops
 Logo
10:50 am - 7:33 amKIX-IAD
33h 43m2 stops
$1,052
Find Deal
Sun, Sep 14 - Sun, Sep 21
Cathay Pacific Logo
12:35 pm - 6:40 amDCA-KIX
29h 05m2 stops
Cathay Pacific Logo
9:10 am - 1:09 amKIX-DCA
28h 59m2 stops
$1,067Cathay Pacific
Find Deal
Wed, Aug 27 - Tue, Sep 2
ANA Logo
12:15 pm - 7:30 pmIAD-KIX
18h 15m1 stop
ANA Logo
6:45 am - 10:05 amKIX-IAD
16h 20m1 stop
$1,082ANA
Find Deal
Sun, Sep 21 - Thu, Oct 2
ANA Logo
12:20 pm - 9:50 pmIAD-KIX
19h 30m1 stop
ANA Logo
7:10 am - 11:49 amKIX-IAD
18h 39m2 stops
$1,092ANA
Find Deal
Mon, Nov 10 - Thu, Nov 20
United Airlines Logo
7:00 pm - 2:50 pmDCA-KIX
30h 50m1 stop
United Airlines Logo
4:50 pm - 9:37 pmKIX-DCA
17h 47m1 stop
$1,108United Airlines
Find Deal
Sat, Sep 6 - Fri, Sep 19
United Airlines Logo
5:20 pm - 2:50 pmIAD-KIX
32h 30m1 stop
United Airlines Logo
4:50 pm - 9:22 pmKIX-IAD
17h 32m1 stop
$1,108United Airlines
Find Deal
Sat, Sep 6 - Fri, Sep 19
 Logo
10:10 pm - 2:50 pmIAD-KIX
27h 40m1 stop
 Logo
9:05 pm - 9:10 amKIX-IAD
26h 05m1 stop
$1,128
Find Deal
Sat, Sep 6 - Mon, Dec 22

ANA flights from District of Columbia to Osaka Kansai Intl Airport

Our best ANA deals on District of Columbia to Osaka Kansai Intl Airport flight tickets
ANA
Sep 21
IAD12:15 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
KIX7:30 pmOsaka Kansai Intl
Oct 2
KIX6:45 amOsaka Kansai Intl
16h 20m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
ANA
Nov 10
IAD12:20 pmWashington, D.C. Dulles Intl
19h 30m
1 stop
KIX9:50 pmOsaka Kansai Intl
Nov 20
KIX7:10 amOsaka Kansai Intl
18h 39m
2 stops
IAD11:49 amWashington, D.C. Dulles Intl
ANA
Nov 9
IAD11:05 amWashington, D.C. Dulles Intl
17h 10m
1 stop
KIX6:15 pmOsaka Kansai Intl
Nov 25
KIX7:00 pmOsaka Kansai Intl
28h 10m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl

United Airlines flights from District of Columbia to Osaka Kansai Intl Airport

Our best United Airlines deals on District of Columbia to Osaka Kansai Intl Airport flight tickets
United Airlines
Sep 6
DCA7:00 pmWashington, D.C. Reagan-National
30h 50m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 19
KIX4:50 pmOsaka Kansai Intl
17h 47m
1 stop
DCA9:37 pmWashington, D.C. Reagan-National
United Airlines
Nov 9
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Nov 25
KIX6:35 pmOsaka Kansai Intl
19h 09m
2 stops
DCA11:44 pmWashington, D.C. Reagan-National
United Airlines
Nov 9
IAD8:30 amWashington, D.C. Dulles Intl
20h 55m
2 stops
KIX7:25 pmOsaka Kansai Intl
Nov 25
KIX6:35 pmOsaka Kansai Intl
18h 40m
2 stops
IAD11:15 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Osaka Kansai Intl 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 August 16, 2025.
Use the filters below to find and compare flights from District of Columbia to Osaka Kansai Intl Airport 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

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

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 9/29

4:35 pm-4:25 pm

2 stops34h 50m

Osaka Kansai Intl

Mon 10/6

6:05 pm-10:20 am

2 stops29h 15m

$940

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 11/11

5:27 pm-12:45 pm

2 stops29h 18m

Osaka Kansai Intl

Wed 11/19

9:50 am-10:18 pm

2 stops26h 28m

$1,045

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 9/14

7:00 am-9:40 am

2 stops37h 40m

Osaka Kansai Intl

Sun 9/21

10:50 am-7:33 am

2 stops33h 43m

$1,052

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 8/27

12:35 pm-6:40 am

2 stops29h 05m

Osaka Kansai Intl

Tue 9/2

9:10 am-1:09 am

2 stops28h 59m

$1,067

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 9/21

12:15 pm-7:30 pm

1 stop18h 15m

Osaka Kansai Intl

Thu 10/2

6:45 am-10:05 am

1 stop16h 20m

$1,082

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 11/10

12:20 pm-9:50 pm

1 stop19h 30m

Osaka Kansai Intl

Thu 11/20

7:10 am-11:49 am

2 stops18h 39m

$1,092

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 9/6

7:00 pm-2:50 pm

1 stop30h 50m

Osaka Kansai Intl

Fri 9/19

4:50 pm-9:37 pm

1 stop17h 47m

$1,108

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 9/6

5:20 pm-2:50 pm

1 stop32h 30m

Osaka Kansai Intl

Fri 9/19

4:50 pm-9:22 pm

1 stop17h 32m

$1,108

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 9/6

10:10 pm-2:50 pm

1 stop27h 40m

Osaka Kansai Intl

Mon 12/22

9:05 pm-9:10 am

1 stop26h 05m

$1,128

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Osaka from

How to get the cheapest flight ticket from District of Columbia to Osaka Kansai Intl 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 month to fly to Osaka Kansai Intl Airport?

In general, October is the cheapest month to fly from District of Columbia to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $961. If you aren’t able to travel during the month of October, then book flights to Osaka Kansai Intl Airport from District of Columbia during April instead. Flights to Osaka Kansai Intl Airport in April, while not as cheap as those in October, still average around $1,002.

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

The cheapest day to depart from District of Columbia to Osaka Kansai Intl Airport is on a Tuesday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Tuesday will often find tickets for as low as $1,363. Flights from District of Columbia to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,655. 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 Osaka Kansai Intl Airport?

Our data shows that the cheapest District of Columbia to Osaka Kansai Intl Airport flights are usually those with departure times at noon. Our users have found flights to Osaka Kansai Intl Airport at noon for as low as $990. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,515 on average. Flights to Osaka Kansai Intl Airport from District of Columbia in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on District of Columbia to Osaka Kansai Intl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a District of Columbia to Osaka Kansai Intl Airport flight.

Cheap District of Columbia to Osaka Kansai Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Osaka Kansai Intl Airport

Best Price Found

$443

Fastest flight time

17h 05m

Direct flights

None
The best one-way flight to Osaka Kansai Intl Airport from District of Columbia in the past 72 hours is $443. The best round-trip flight deal from District of Columbia to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $915.
The fastest flight from District of Columbia to Osaka Kansai Intl Airport takes 17h 05m
There are no direct flights from District of Columbia to Osaka Kansai Intl Airport. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Osaka Kansai Intl Airport and Washington, D.C. Reagan-National Airport - Osaka Kansai Intl Airport.
  • When did momondo last update prices for flights from District of Columbia to Osaka Kansai Intl Airport?

    Prices for flights from District of Columbia to Osaka Kansai Intl Airport refresh daily.

  • How many operators does momondo search for flights from District of Columbia to Osaka Kansai Intl Airport?

  • How old do you have to be to fly from District of Columbia to Osaka Kansai Intl Airport?

    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 District of Columbia to Osaka Kansai Intl Airport.

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

    The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from District of Columbia to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $562Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Air CanadaPriceFrom $944Free CancellationRating
7.1
9,966 reviews
Search Air Canada flights
ANAPriceFrom $1,468Free CancellationRating
8.4
933 reviews
Search ANA flights

Traveling to a place near Osaka?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Osaka?

It is quick and easy to find District of Columbia to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

Can I find flights from District of Columbia to Osaka with flexible booking policies on momondo?

momondo does allow users to show only those flights to Osaka from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Osaka?

Once you have performed a search for District of Columbia to Osaka 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 District of Columbia to Osaka right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Osaka flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Osaka Kansai Intl 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/21
Thu 8/28

Find better results for your trip to Osaka

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo