What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Osaka round-trip?

Flying on Cathay Pacific is currently your cheapest option to Osaka, with prices starting at $1,257. Additional round-trip tickets that might be worth considering are offered by Air Canada and Japan Airlines, with the lowest prices starting at $1,268 and $1,793, respectively.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Osaka one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Osaka are Cathay Pacific ($694), Air Canada ($976), and Japan Airlines ($978).

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Osaka?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Osaka (average of $898). Flying from Washington, D.C. Reagan-National Airport to Osaka in December is currently the most expensive (average of $1,350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Osaka?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Osaka flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. Reagan-National Airport to Osaka?

When deciding which route to take from Washington, D.C. Reagan-National Airport to Osaka consider Washington, D.C. Reagan-National - Osaka Kansai Intl, Washington, D.C. Reagan-National - Osaka Itami or Washington, D.C. Reagan-National - Kobe as they are the most popular.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Osaka?

Travelers have found that booking a Tuesday departure is the best way to save up to 33% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Osaka?

Users have found that booking a flight from Washington, D.C. Reagan-National Airport to Osaka at least 50 days early can save you up to 7% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Reagan-National Airport to Osaka for as little as $1,013 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,264 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Osaka?

Flights from Washington, D.C. Reagan-National Airport to Osaka lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Reagan-National Airport to Osaka in January, with the cheapest ticket starting at $935.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Osaka as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Osaka flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka 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 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 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 that include hotel bookings?

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

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

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.

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

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

$657+ Flights from Washington, D.C. Reagan-National Airport to Osaka

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1. Tell us where you want to go

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Cheap flight deals from Reagan-National to Osaka

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,257 (Cathay Pacific)
One-way from	$694 (Cathay Pacific)
Popular in	December
Cheapest in	January
Average price	$1,528

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

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

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From Washington, D.C. Reagan-National to Osaka (OSA)

Search Deals

One-way flight from Washington, D.C. Reagan-National to Osaka (OSA)

Search Deals

High demand for flights, 9% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Reagan-National to Osaka

Cheapest flights from Reagan-National to Osaka
Explore the most affordable flight options available from Reagan-National to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Mon 9/156:59 amDCA - KIX

2 stops20h 26mAir Canada

Thu 9/186:05 pmKIX - DCA

2 stops29h 16mAir Canada

Deal found 4/16

$1,150

Mon 9/156:00 amDCA - ITM

2 stops23h 55mAir Canada

Thu 9/252:05 pmITM - DCA

2 stops21h 29mAir Canada

Deal found 4/15

$1,223

Wed 10/16:59 amDCA - KIX

2 stops20h 26mMultiple Airlines

Wed 10/811:50 amKIX - DCA

2 stops23h 01mMultiple Airlines

Deal found 4/17

$1,229

Mon 5/511:40 amDCA - KIX

2 stops44h 35mCathay Pacific

Sun 5/117:35 pmKIX - DCA

2 stops39h 40mCathay Pacific

Deal found 4/17

$1,264

Wed 10/19:40 amDCA - ITM

2 stops20h 15mMultiple Airlines

Wed 10/82:05 pmITM - DCA

2 stops20h 46mMultiple Airlines

Deal found 4/17

$1,560

Wed 10/228:25 amDCA - KIX

1 stop21h 20mJapan Airlines

Wed 11/55:50 pmKIX - DCA

1 stop16h 58mJapan Airlines

Deal found 4/17

$1,697

Sun 11/28:15 amDCA - ITM

2 stops21h 35mJapan Airlines

Tue 11/118:15 pmITM - DCA

2 stops32h 09mJapan Airlines

Deal found 4/15

$1,705

Sat 10/256:35 pmDCA - KIX

2 stops35h 10mAlaska Airlines

Sun 11/98:45 pmKIX - DCA

1 stop33h 19mAlaska Airlines

Deal found 4/17

$1,750

Sat 10/253:30 pmDCA - UKB

2 stops41h 15mANA

Sun 11/97:05 amUKB - DCA

2 stops25h 47mANA

Deal found 4/17

$1,824

Wed 7/233:30 pmDCA - ITM

2 stops26h 55mANA

Thu 8/72:00 pmITM - DCA

2 stops20h 02mANA

Deal found 4/17

$1,839

Mon 6/167:00 amDCA - ITM

2 stops21h 05mUnited Airlines

Wed 7/212:00 pmITM - DCA

2 stops22h 02mUnited Airlines

Deal found 4/15

$1,950

Sun 6/16:35 amDCA - ITM

2 stops23h 05mAmerican Airlines

Sun 6/83:40 pmITM - DCA

2 stops20h 27mAmerican Airlines

Deal found 4/16

$2,210

Best flights from Reagan-National to Osaka
Discover carefully curated flight deals from Reagan-National to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Tue 5/611:55 amDCA - KIX

3 stops38h 00mCathay Pacific

Mon 5/1910:00 amKIX - DCA

2 stops27h 46mCathay Pacific

Deal found 4/15

$1,257

Tue 7/16:00 amDCA - KIX

2 stops21h 25mAir Canada

Fri 7/116:05 pmKIX - DCA

2 stops29h 13mAir Canada

Deal found 4/17

$1,268

Tue 6/1012:55 pmDCA - KIX

3 stops35h 05mMultiple Airlines

Tue 6/246:35 pmKIX - DCA

3 stops30h 28mMultiple Airlines

Deal found 4/15

$1,385

Tue 5/69:45 amDCA - ITM

2 stops21h 05mJapan Airlines

Tue 5/208:30 amITM - DCA

2 stops18h 54mJapan Airlines

Deal found 4/15

$1,793

Sun 7/67:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Wed 8/274:55 pmKIX - DCA

1 stop17h 18mUnited Airlines

Deal found 4/15

$1,843

Sun 6/228:30 amDCA - KIX

2 stops24h 50mANA

Fri 7/46:45 amKIX - DCA

2 stops20h 28mANA

Deal found 4/16

$1,890

Tue 5/67:59 pmDCA - KIX

2 stops25h 21mKLM

Tue 5/2012:00 pmKIX - DCA

2 stops40h 59mKLM

Deal found 4/16

$1,903

Sun 6/16:35 amDCA - ITM

2 stops23h 05mAmerican Airlines

Sun 6/83:40 pmITM - DCA

2 stops20h 27mAmerican Airlines

Deal found 4/16

$2,210

Tue 6/106:59 amDCA - ITM

3 stops23h 46mMultiple Airlines

Tue 6/242:35 pmITM - DCA

3 stops31h 17mMultiple Airlines

Deal found 4/15

$1,647

Tue 4/296:00 amDCA - ITM

2 stops25h 15mAir Canada

Thu 5/81:00 pmITM - DCA

2 stops22h 28mAir Canada

Deal found 4/16

$1,764

Wed 5/78:15 amDCA - KIX

1 stop21h 30mJapan Airlines

Sat 5/2411:50 amKIX - DCA

2 stops23h 09mJapan Airlines

Deal found 4/16

$1,849

Mon 6/167:00 amDCA - ITM

2 stops21h 05mUnited Airlines

Tue 7/112:00 pmITM - DCA

2 stops23h 42mUnited Airlines

Deal found 4/16

$1,950

Last-minute flights from Reagan-National to Osaka
Discover last-minute flight deals from Reagan-National to Osaka. Data last updated April 17, 2025 and is based on user searches.

Tue 4/229:40 amDCA - KIX

2 stops20h 50mAir Canada

Tue 4/298:30 amKIX - DCA

2 stops26h 58mAir Canada

Deal found 4/16

$1,790

Tue 4/226:45 amDCA - ITM

2 stops22h 55mJapan Airlines

Tue 4/297:25 amITM - DCA

2 stops19h 55mJapan Airlines

Deal found 4/16

$2,285

Tue 4/226:00 amDCA - ITM

2 stops23h 55mAir Canada

Tue 4/291:00 pmITM - DCA

2 stops22h 28mAir Canada

Deal found 4/16

$2,514

Wed 4/2311:54 amDCA - KIX

2 stops29h 46mCathay Pacific

Wed 5/146:35 pmKIX - DCA

2 stops43h 11mCathay Pacific

Deal found 4/16

$1,438

Tue 4/296:35 pmDCA - KIX

2 stops28h 25mMultiple Airlines

Wed 5/77:05 pmKIX - DCA

2 stops38h 53mMultiple Airlines

Deal found 4/16

$1,403

Tue 4/296:00 amDCA - ITM

2 stops25h 15mAir Canada

Thu 5/81:00 pmITM - DCA

2 stops22h 28mAir Canada

Deal found 4/16

$1,764

Tue 4/296:59 amDCA - ITM

3 stops23h 51mMultiple Airlines

Thu 5/811:30 amITM - DCA

2 stops23h 58mMultiple Airlines

Deal found 4/16

$1,891

Tue 4/298:30 amDCA - ITM

2 stops21h 40mANA

Wed 5/78:00 amITM - DCA

2 stops19h 11mANA

Deal found 4/16

$2,075

Sat 5/36:50 pmDCA - KIX

2 stops32h 35mAir Canada

Mon 5/196:05 pmKIX - DCA

2 stops40h 48mAir Canada

Deal found 4/16

$1,414

Sat 5/35:59 pmDCA - KIX

1 stop31h 51mUnited Airlines

Mon 5/194:50 pmKIX - DCA

1 stop17h 44mUnited Airlines

Deal found 4/16

$2,066

Sat 5/34:31 pmDCA - KIX

2 stops31h 24mKorean Air

Tue 5/207:35 pmKIX - DCA

2 stops32h 19mKorean Air

Deal found 4/16

$2,123

Tue 5/611:55 amDCA - KIX

3 stops38h 00mCathay Pacific

Mon 5/1910:00 amKIX - DCA

2 stops27h 46mCathay Pacific

Deal found 4/15

$1,257

One-way flights from Reagan-National to Osaka
Search for one-way flight options from Reagan-National to Osaka. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Wed 7/912:16 pmDCA - KIX

2 stops29h 24mCathay Pacific

Deal found 4/16

$694

Sat 5/316:00 amDCA - KIX

3 stops50h 50mMultiple Airlines

Deal found 4/16

$773

Sat 5/316:00 amDCA - ITM

3 stops48h 45mMultiple Airlines

Deal found 4/16

$852

Tue 7/16:00 amDCA - KIX

2 stops21h 25mAir Canada

Deal found 4/15

$976

Sat 7/1210:09 pmDCA - ITM

2 stops20h 26mJapan Airlines

Deal found 4/16

$978

Sun 7/138:30 amDCA - ITM

2 stops22h 45mANA

Deal found 4/16

$1,016

Sun 7/137:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Deal found 4/16

$1,020

Mon 6/306:58 pmDCA - KIX

2 stops34h 07mChina Airlines

Deal found 4/17

$1,022

Sat 7/124:17 pmDCA - ITM

3 stops35h 48mUnited Airlines

Deal found 4/16

$1,025

Tue 7/155:00 pmDCA - UKB

2 stops35h 30mKorean Air

Deal found 4/16

$1,030

Wed 7/98:30 amDCA - UKB

2 stops24h 15mANA

Deal found 4/16

$1,041

Sun 6/18:15 amDCA - KIX

1 stop21h 30mJapan Airlines

Deal found 4/17

$1,320

Cheapflights Fare Finder

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.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 9/15

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Thu 9/18

6:05 pm-10:21 am

2 stops29h 16m

$1,150

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 9/15

6:00 am-6:55 pm

2 stops23h 55m

Osaka Itami

Thu 9/25

2:05 pm-10:34 pm

2 stops21h 29m

$1,223

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/1

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Wed 10/8

11:50 am-9:51 pm

2 stops23h 01m

$1,229

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 5/5

11:40 am-9:15 pm

2 stops44h 35m

Osaka Kansai Intl

Sun 5/11

7:35 pm-10:15 pm

2 stops39h 40m

$1,264

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 10/1

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Wed 10/8

2:05 pm-9:51 pm

2 stops20h 46m

$1,560

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 9/17

10:09 pm-8:35 am

2 stops21h 26m

Osaka Itami

Wed 10/1

8:30 am-2:34 pm

2 stops19h 04m

$1,752

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 9/24

7:00 am-2:50 pm

1 stop18h 50m

Osaka Kansai Intl

Sat 10/4

4:50 pm-9:13 pm

1 stop17h 23m

$1,793

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 7/23

8:30 am-6:55 pm

2 stops21h 25m

Osaka Itami

Thu 8/7

12:00 pm-9:02 pm

2 stops22h 02m

$1,839

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 6/16

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Wed 7/2

12:00 pm-9:02 pm

2 stops22h 02m

$1,950

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 6/1

6:35 am-6:40 pm

2 stops23h 05m

Osaka Itami

Sun 6/8

3:40 pm-11:07 pm

2 stops20h 27m

$2,210

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 28 results

Compare providers for flights from Reagan-National to Osaka

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

Provider	Price Accuracy	Trust Score*
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 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 flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka 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 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 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

Have a flexible travel schedule? Discover the best time to fly to Osaka 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Osaka

Rainfall in Osaka by month

In terms of precipitation, rainfall in Osaka 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 when rainfall is around 1.6 in.

Temperature in Osaka by month

If weather is an important factor for your trip to Osaka, 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).

Reviews of airlines servicing Osaka

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Washington, D.C. to Osaka. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,177 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air

8.4

Very good

1,064 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Japan Airlines

8.3

Very good

1,443 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

ANA

8.3

Very good

844 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.2

Very good

729 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Osaka round-trip?
Flying on Cathay Pacific is currently your cheapest option to Osaka, with prices starting at $1,257. Additional round-trip tickets that might be worth considering are offered by Air Canada and Japan Airlines, with the lowest prices starting at $1,268 and $1,793, respectively.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Osaka one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Osaka are Cathay Pacific ($694), Air Canada ($976), and Japan Airlines ($978).
What are the most popular routes from Washington, D.C. Reagan-National Airport to Osaka?
When deciding which route to take from Washington, D.C. Reagan-National Airport to Osaka consider Washington, D.C. Reagan-National - Osaka Kansai Intl, Washington, D.C. Reagan-National - Osaka Itami or Washington, D.C. Reagan-National - Kobe as they are the most popular.
Can I find deals for flights from Reagan-National to Osaka that include hotel bookings?
Yes. In addition to deals on Reagan-National to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Osaka?
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.
Can I find deals for business class flights from Reagan-National to Osaka?
Yes. Cheapflights offers flight deals from Reagan-National to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Osaka?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Osaka (average of $898). Flying from Washington, D.C. Reagan-National Airport to Osaka in December is currently the most expensive (average of $1,350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$657+ Cheap flights from Reagan-National (DCA) to Osaka (OSA)

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 10/7. 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 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Osaka

Cheapest flights from Reagan-National to OsakaExplore the most affordable flight options available from Reagan-National to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Reagan-National to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Reagan-National to Osaka

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 in April.

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

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Osaka

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Osaka. Reviews last updated April 17, 2025.

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Washington, D.C. to Osaka. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Osaka round-trip?

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What are the most popular routes from Washington, D.C. Reagan-National Airport to Osaka?

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

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Cheapest flights from Reagan-National to Osaka
Explore the most affordable flight options available from Reagan-National to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.