How long is the flight from Washington, D.C. Reagan-National Airport to Osaka Itami Airport?

For as low as $944, Japan Airlines can have you in Osaka Itami Airport from Washington, D.C. Reagan-National Airport in 20h 51m. The distance from Washington, D.C. Reagan-National Airport to Osaka Itami Airport is about 6937 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Osaka Itami Airport ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka Itami Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Osaka Itami Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What is the cheapest time of day to fly from DCA to ITM?

When flying from Washington, D.C. Reagan-National Airport to Osaka Itami Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Osaka Itami Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Osaka Itami Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka Itami Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Osaka Itami Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Osaka Itami Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Reagan-National to Osaka Itami that include hotel bookings?

Yes. In addition to deals on Reagan-National to Osaka Itami flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Osaka Itami?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Osaka Itami.

Can I find deals for business class flights from Reagan-National to Osaka Itami?

Yes. Cheapflights offers flight deals from Reagan-National to Osaka Itami by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$549+ Flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport

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Cheap flight deals from Reagan-National to Osaka Itami

Cheapest flights from Reagan-National to Osaka Itami
Explore the most affordable flight options available from Reagan-National to Osaka Itami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

Sun 12/286:00 amDCA - ITM

3 stops23h 55mMultiple Airlines

Sun 1/42:05 pmITM - DCA

2 stops32h 50mMultiple Airlines

Deal found 12/27

$2,872

Mon 12/296:00 amDCA - ITM

2 stops24h 20mJapan Airlines

Thu 1/82:30 pmITM - DCA

2 stops21h 33mJapan Airlines

Deal found 12/28

$3,005

Best flights from Reagan-National to Osaka Itami
Discover carefully curated flight deals from Reagan-National to Osaka Itami that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

Sun 4/199:59 amDCA - ITM

2 stops20h 51mJapan Airlines

Wed 4/292:35 pmITM - DCA

2 stops20h 51mJapan Airlines

Deal found 12/28

$944

Tue 1/276:59 amDCA - ITM

2 stops22h 11mAir Canada

Tue 2/33:00 pmITM - DCA

2 stops21h 35mAir Canada

Deal found 12/28

$947

Sun 4/196:00 amDCA - ITM

2 stops24h 05mAmerican Airlines

Wed 4/291:30 pmITM - DCA

2 stops20h 50mAmerican Airlines

Deal found 12/29

$975

Thu 3/126:00 amDCA - ITM

2 stops23h 10mUnited Airlines

Tue 3/3112:00 pmITM - DCA

2 stops22h 31mUnited Airlines

Deal found 12/27

$1,025

Wed 3/48:27 amDCA - ITM

2 stops21h 23mJapan Airlines

Wed 3/182:35 pmITM - DCA

2 stops20h 41mJapan Airlines

Deal found 12/29

$944

Fri 1/306:59 amDCA - ITM

2 stops22h 11mAir Canada

Fri 2/134:00 pmITM - DCA

2 stops20h 35mAir Canada

Deal found 12/28

$947

Sun 4/197:55 amDCA - ITM

2 stops21h 45mJapan Airlines

Fri 5/87:25 amITM - DCA

2 stops19h 55mJapan Airlines

Deal found 12/28

$962

Sun 5/107:22 amDCA - ITM

2 stops23h 28mAmerican Airlines

Sat 5/238:30 amITM - DCA

2 stops22h 33mAmerican Airlines

Deal found 12/28

$1,075

Wed 2/119:40 amDCA - ITM

2 stops19h 30mAir Canada

Wed 2/182:00 pmITM - DCA

2 stops22h 35mAir Canada

Deal found 12/28

$991

Last-minute flights from Reagan-National to Osaka Itami
Discover last-minute flight deals from Reagan-National to Osaka Itami. Data last updated December 30, 2025 and is based on user searches.

Mon 12/296:00 amDCA - ITM

2 stops24h 20mJapan Airlines

Thu 1/82:30 pmITM - DCA

2 stops21h 33mJapan Airlines

Deal found 12/28

$3,005

Sat 1/39:40 amDCA - ITM

2 stops20h 40mMultiple Airlines

Sat 1/102:40 pmITM - DCA

2 stops21h 19mMultiple Airlines

Deal found 12/28

$2,171

Fri 1/98:47 amDCA - ITM

2 stops21h 08mJapan Airlines

Thu 1/291:40 pmITM - DCA

2 stops21h 04mJapan Airlines

Deal found 12/28

$6,861

Mon 1/129:40 amDCA - ITM

2 stops20h 40mAir Canada

Wed 1/284:00 pmITM - DCA

2 stops20h 35mAir Canada

Deal found 12/28

$887

Tue 1/276:59 amDCA - ITM

2 stops22h 11mAir Canada

Tue 2/33:00 pmITM - DCA

2 stops21h 35mAir Canada

Deal found 12/28

$947

Tue 1/276:59 amDCA - ITM

3 stops22h 56mMultiple Airlines

Tue 2/32:40 pmITM - DCA

2 stops21h 16mMultiple Airlines

Deal found 12/28

$1,112

Wed 1/288:47 amDCA - ITM

2 stops21h 08mJapan Airlines

Wed 2/118:30 amITM - DCA

2 stops18h 14mJapan Airlines

Deal found 12/28

$948

Wed 1/286:59 amDCA - ITM

2 stops23h 21mAir Canada

Sat 1/314:00 pmITM - DCA

2 stops20h 35mAir Canada

Deal found 12/29

$1,227

Fri 1/306:59 amDCA - ITM

2 stops22h 11mAir Canada

Fri 2/134:00 pmITM - DCA

2 stops20h 35mAir Canada

Deal found 12/29

$984

One-way flights from Reagan-National to Osaka Itami
Search for one-way flight options from Reagan-National to Osaka Itami. Find affordable one-way fares based on user searches. Data last updated December 30, 2025.

Wed 2/116:00 amDCA - ITM

2 stops23h 55mAmerican Airlines

Deal found 12/28

$549

Wed 2/116:56 pmDCA - ITM

3 stops34h 59mMultiple Airlines

Deal found 12/28

$1,407

Fri 1/99:40 amDCA - ITM

2 stops19h 30mMultiple Airlines

Deal found 12/28

$3,209

Find flight deals from Reagan-National to Osaka Itami

Most accurate provider	FlightHub 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$887 (Flysmarter)
One-way from	$549 (American Airlines)
Popular in	June
Cheapest in	January
Average price	$1,559

Provider with most accurate pricing for Washington, D.C. Reagan-National-Osaka Itami flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Osaka Itami flights.

Search Deals

From Washington, D.C. Reagan-National to Osaka Itami

Search Deals

One-way flight from Washington, D.C. Reagan-National to Osaka Itami

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($214 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

9:59 am-7:50 pm

2 stops20h 51m

Osaka Itami

Wed 4/29

2:35 pm-10:26 pm

2 stops20h 51m

$944

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 3/4

8:27 am-7:50 pm

2 stops21h 23m

Osaka Itami

Wed 3/18

2:35 pm-10:16 pm

2 stops20h 41m

$944

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 1/27

6:59 am-7:10 pm

2 stops22h 11m

Osaka Itami

Tue 2/3

3:00 pm-10:35 pm

2 stops21h 35m

$947

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Fri 1/30

6:59 am-7:10 pm

2 stops22h 11m

Osaka Itami

Fri 2/13

4:00 pm-10:35 pm

2 stops20h 35m

$947

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

7:55 am-6:40 pm

2 stops21h 45m

Osaka Itami

Fri 5/8

7:25 am-2:20 pm

2 stops19h 55m

$962

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

6:00 am-7:05 pm

2 stops24h 05m

Osaka Itami

Wed 4/29

1:30 pm-9:20 pm

2 stops20h 50m

$975

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 2/11

9:40 am-7:10 pm

2 stops19h 30m

Osaka Itami

Wed 2/18

2:00 pm-10:35 pm

2 stops22h 35m

$991

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Thu 3/12

6:00 am-6:10 pm

2 stops23h 10m

Osaka Itami

Tue 3/31

12:00 pm-9:31 pm

2 stops22h 31m

$1,025

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 5/10

7:22 am-7:50 pm

2 stops23h 28m

Osaka Itami

Sat 5/23

8:30 am-6:03 pm

2 stops22h 33m

$1,075

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 2/11

6:00 am-7:55 pm

2 stops23h 55m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 12 results

Compare providers for flights from Reagan-National to Osaka Itami

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Osaka Itami in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Osaka Itami Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Osaka Itami Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka Itami Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Osaka Itami Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Osaka Itami Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Osaka Itami

Have a flexible travel schedule? Discover the best time to fly to Osaka Itami from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to Osaka Itami Airport?
For as low as $944, Japan Airlines can have you in Osaka Itami Airport from Washington, D.C. Reagan-National Airport in 20h 51m. The distance from Washington, D.C. Reagan-National Airport to Osaka Itami Airport is about 6937 mi. This flight may include one or multiple stops.
Can I find deals for flights from Reagan-National to Osaka Itami that include hotel bookings?
Yes. In addition to deals on Reagan-National to Osaka Itami flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Osaka Itami?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Osaka Itami.
Can I find deals for business class flights from Reagan-National to Osaka Itami?
Yes. Cheapflights offers flight deals from Reagan-National to Osaka Itami by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$549+ Cheap flights from Reagan-National (DCA) to Osaka Itami (ITM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Osaka Itami with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Osaka Itami

Cheapest flights from Reagan-National to Osaka ItamiExplore the most affordable flight options available from Reagan-National to Osaka Itami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

Explore the most affordable flight options available from Reagan-National to Osaka Itami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

Find flight deals from Reagan-National to Osaka Itami

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport that are best for you.

Compare providers for flights from Reagan-National to Osaka Itami

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Osaka Itami in December.

Best time to book a flight from Reagan-National to Osaka Itami

Have a flexible travel schedule? Discover the best time to fly to Osaka Itami from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Osaka Itami. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Reagan-National Airport to Osaka Itami Airport?

Can I find deals for flights from Reagan-National to Osaka Itami that include hotel bookings?

How can I find direct flights from Reagan-National to Osaka Itami?

Can I find deals for business class flights from Reagan-National to Osaka Itami?

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Cheapest flights from Reagan-National to Osaka Itami
Explore the most affordable flight options available from Reagan-National to Osaka Itami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.