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

Flying on Air Canada is currently your cheapest option to Osaka, with prices starting at $992. Additional round-trip tickets that might be worth considering are offered by Delta and Cathay Pacific, with the lowest prices starting at $1,238 and $1,292, 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 Delta ($601), Air Canada ($660), and Alaska Airlines ($760).

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 $888). Flying from Washington, D.C. Reagan-National Airport to Osaka in June is currently the most expensive (average of $1,324). 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 40 days early can save you up to 3% on average compared to booking a flight this week. If booking 40 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 $939.

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.

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.

$575+ Flights from Washington, D.C. Reagan-National Airport to Osaka

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Cheap flight deals from Reagan-National to Osaka

Round-trip from	$992 (Air Canada)
One-way from	$575 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,742

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

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

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Highest demand for flights based on searches. 2% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).

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Average for round-trip flights in June 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 junio 12, 2025.

mar. 10/146:00 amDCA - KIX

2 stops21h 25mAir Canada

jue. 10/236:05 pmKIX - DCA

2 stops29h 15mAir Canada

Deal found 6/9

$941

mié. 7/96:59 amDCA - KIX

2 stops20h 26mMultiple Airlines

mié. 7/166:45 amKIX - DCA

2 stops28h 42mMultiple Airlines

Deal found 6/9

$1,116

vie. 8/297:45 amDCA - KIX

2 stops24h 15mDelta

dom. 9/712:35 pmKIX - DCA

2 stops24h 01mDelta

Deal found 6/11

$1,238

mar. 8/198:20 amDCA - KIX

2 stops33h 20mCathay Pacific

mar. 9/164:20 pmKIX - DCA

3 stops31h 08mCathay Pacific

Deal found 6/11

$1,292

mar. 8/1911:00 amDCA - ITM

2 stops20h 15mAir Canada

mar. 9/163:00 pmITM - DCA

2 stops20h 34mAir Canada

Deal found 6/11

$1,371

dom. 9/288:20 amDCA - KIX

1 stop21h 25mJapan Airlines

lun. 10/139:10 pmKIX - DCA

2 stops29h 54mJapan Airlines

Deal found 6/10

$1,684

mié. 8/279:59 amDCA - ITM

2 stops20h 51mJapan Airlines

mié. 9/107:05 amITM - DCA

2 stops20h 19mJapan Airlines

Deal found 6/10

$1,704

sáb. 7/269:59 amDCA - UKB

2 stops35h 01mMultiple Airlines

sáb. 8/211:00 amUKB - DCA

2 stops23h 42mMultiple Airlines

Deal found 6/11

$1,770

mar. 8/197:00 amDCA - KIX

1 stop18h 50mUnited Airlines

mar. 9/94:50 pmKIX - DCA

1 stop17h 47mUnited Airlines

Deal found 6/10

$1,793

dom. 7/68:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

mié. 8/275:55 pmKIX - DCA

2 stops20h 21mAmerican Airlines

Deal found 6/11

$1,847

jue. 7/38:45 amDCA - ITM

2 stops22h 05mAmerican Airlines

jue. 7/178:25 amITM - DCA

2 stops19h 08mAmerican Airlines

Deal found 6/12

$1,999

dom. 9/286:00 amDCA - UKB

2 stops22h 30mKorean Air

lun. 10/136:30 pmUKB - DCA

2 stops33h 41mKorean Air

Deal found 6/10

$2,101

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 junio 12, 2025.

mar. 8/194:30 pmDCA - KIX

2 stops34h 55mAir Canada

mar. 9/96:05 pmKIX - DCA

2 stops29h 15mAir Canada

Deal found 6/10

$992

mié. 7/96:59 amDCA - KIX

2 stops20h 26mMultiple Airlines

mié. 7/166:45 amKIX - DCA

2 stops28h 42mMultiple Airlines

Deal found 6/9

$1,116

vie. 8/297:45 amDCA - KIX

2 stops24h 15mDelta

dom. 9/712:35 pmKIX - DCA

2 stops24h 01mDelta

Deal found 6/11

$1,238

mar. 8/198:20 amDCA - KIX

2 stops33h 20mCathay Pacific

mar. 9/164:20 pmKIX - DCA

3 stops31h 08mCathay Pacific

Deal found 6/11

$1,292

mié. 8/279:59 amDCA - ITM

2 stops20h 51mJapan Airlines

mié. 9/107:05 amITM - DCA

2 stops20h 19mJapan Airlines

Deal found 6/10

$1,704

mar. 8/197:00 amDCA - KIX

1 stop18h 50mUnited Airlines

mar. 9/94:50 pmKIX - DCA

1 stop17h 47mUnited Airlines

Deal found 6/10

$1,793

dom. 7/68:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

mié. 8/275:55 pmKIX - DCA

2 stops20h 21mAmerican Airlines

Deal found 6/10

$1,847

dom. 9/286:00 amDCA - UKB

2 stops22h 30mKorean Air

lun. 10/136:30 pmUKB - DCA

2 stops33h 41mKorean Air

Deal found 6/10

$2,101

sáb. 7/267:00 amDCA - KIX

1 stop18h 50mAustrian Airlines

sáb. 8/24:55 pmKIX - DCA

1 stop17h 32mAustrian Airlines

Deal found 6/11

$2,268

sáb. 7/267:00 amDCA - ITM

2 stops21h 05mLufthansa

sáb. 8/212:00 pmITM - DCA

2 stops21h 59mLufthansa

Deal found 6/11

$2,302

sáb. 7/267:25 amDCA - UKB

2 stops25h 20mANA

sáb. 8/27:05 amUKB - DCA

2 stops26h 57mANA

Deal found 6/11

$2,423

mar. 8/1911:00 amDCA - ITM

2 stops20h 15mAir Canada

mar. 9/163:00 pmITM - DCA

2 stops20h 34mAir Canada

Deal found 6/11

$1,371

Last-minute flights from Reagan-National to Osaka
Discover last-minute flight deals from Reagan-National to Osaka. Data last updated junio 12, 2025 and is based on user searches.

mié. 6/1812:55 pmDCA - KIX

3 stops35h 05mMultiple Airlines

mié. 7/23:20 pmKIX - DCA

3 stops33h 43mMultiple Airlines

Deal found 6/11

$1,913

mié. 6/186:59 amDCA - KIX

2 stops20h 26mAir Canada

mié. 7/26:05 pmKIX - DCA

1 stop36h 57mAir Canada

Deal found 6/11

$2,249

mié. 6/187:00 amDCA - KIX

1 stop18h 50mUnited Airlines

mié. 7/24:55 pmKIX - DCA

1 stop17h 32mUnited Airlines

Deal found 6/11

$2,343

mié. 6/187:00 amDCA - ITM

2 stops21h 05mUnited Airlines

mié. 7/212:00 pmITM - DCA

2 stops22h 27mUnited Airlines

Deal found 6/11

$2,349

mié. 6/186:10 amDCA - ITM

3 stops24h 35mWestJet

mié. 7/22:35 pmITM - DCA

3 stops33h 25mWestJet

Deal found 6/12

$5,976

mié. 6/186:59 amDCA - ITM

2 stops24h 16mAir Canada

mié. 7/22:00 pmITM - DCA

2 stops21h 27mAir Canada

Deal found 6/11

$7,769

jue. 6/196:00 amDCA - KIX

2 stops26h 15mCathay Pacific

dom. 6/2910:00 amKIX - DCA

2 stops37h 43mCathay Pacific

Deal found 6/11

$1,859

jue. 6/198:20 amDCA - KIX

1 stop21h 25mJapan Airlines

dom. 6/295:55 pmKIX - DCA

1 stop35h 27mJapan Airlines

Deal found 6/11

$3,329

sáb. 6/218:40 pmDCA - ITM

2 stops33h 00mMultiple Airlines

lun. 6/308:20 pmITM - DCA

2 stops39h 07mMultiple Airlines

Deal found 6/9

$7,741

dom. 7/610:08 pmDCA - ITM

2 stops21h 27mJapan Airlines

mié. 8/278:25 amITM - DCA

2 stops19h 07mJapan Airlines

Deal found 6/10

$1,716

dom. 7/67:00 amDCA - KIX

1 stop18h 50mUnited Airlines

mié. 8/274:55 pmKIX - DCA

1 stop17h 42mUnited Airlines

Deal found 6/11

$1,843

dom. 7/68:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

mié. 8/275:55 pmKIX - DCA

2 stops20h 21mAmerican Airlines

Deal found 6/10

$1,847

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 junio 12, 2025.

mar. 8/58:59 amDCA - KIX

3 stops36h 06mMultiple Airlines

Deal found 6/12

$575

lun. 6/306:35 pmDCA - KIX

2 stops27h 45mDelta

Deal found 6/11

$601

jue. 7/179:59 amDCA - ITM

2 stops45h 36mMultiple Airlines

Deal found 6/12

$647

mié. 8/66:59 amDCA - KIX

2 stops20h 26mAir Canada

Deal found 6/12

$660

dom. 7/278:59 amDCA - KIX

2 stops44h 46mAlaska Airlines

Deal found 6/12

$760

vie. 8/86:58 pmDCA - UKB

2 stops50h 02mEVA Air

Deal found 6/12

$813

dom. 7/278:40 pmDCA - UKB

2 stops36h 05mMultiple Airlines

Deal found 6/12

$929

sáb. 7/267:32 pmDCA - KIX

3 stops30h 23mCathay Pacific

Deal found 6/10

$963

sáb. 7/2610:08 pmDCA - ITM

2 stops20h 27mJapan Airlines

Deal found 6/10

$1,002

dom. 7/277:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Deal found 6/12

$1,020

dom. 7/277:00 amDCA - ITM

2 stops21h 05mUnited Airlines

Deal found 6/12

$1,025

jue. 6/266:58 pmDCA - KIX

2 stops28h 12mEVA Air

Deal found 6/10

$1,069

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

mar. 8/19

4:30 pm-4:25 pm

2 stops34h 55m

Osaka Kansai Intl

mar. 9/9

6:05 pm-10:20 am

2 stops29h 15m

$992

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mié. 7/9

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

mié. 7/16

6:45 am-10:27 pm

2 stops28h 42m

$1,116

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

vie. 8/29

7:45 am-9:00 pm

2 stops24h 15m

Osaka Kansai Intl

dom. 9/7

12:35 pm-11:36 pm

2 stops24h 01m

$1,238

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mar. 8/19

8:20 am-6:40 am

2 stops33h 20m

Osaka Kansai Intl

mar. 9/16

4:20 pm-10:28 am

3 stops31h 08m

$1,292

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mar. 8/19

11:00 am-8:15 pm

2 stops20h 15m

Osaka Itami

mar. 9/16

3:00 pm-10:34 pm

2 stops20h 34m

$1,371

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mié. 8/27

9:59 am-7:50 pm

2 stops20h 51m

Osaka Itami

mié. 9/10

7:05 am-2:24 pm

2 stops20h 19m

$1,704

Washington, D.C.Kobe

DCA - UKB

DCAUKB

Washington, D.C. Reagan-National

sáb. 7/26

9:59 am-10:00 am

2 stops35h 01m

Kobe

sáb. 8/2

11:00 am-9:42 pm

2 stops23h 42m

$1,770

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mar. 8/19

7:00 am-2:50 pm

1 stop18h 50m

Osaka Kansai Intl

mar. 9/9

4:50 pm-9:37 pm

1 stop17h 47m

$1,793

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mié. 7/23

8:20 am-6:45 pm

1 stop21h 25m

Osaka Kansai Intl

jue. 8/7

7:40 am-10:15 pm

2 stops27h 35m

$1,809

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

dom. 7/6

8:20 am-6:45 pm

1 stop21h 25m

Osaka Kansai Intl

mié. 8/27

5:55 pm-1:16 am

2 stops20h 21m

$1,847

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 33 results

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

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Japan Airlines

8.3

Very good

1,489 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

ANA

8.3

Very good

882 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Alaska Airlines

8.0

Very good

10,000 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Osaka round-trip?
Flying on Air Canada is currently your cheapest option to Osaka, with prices starting at $992. Additional round-trip tickets that might be worth considering are offered by Delta and Cathay Pacific, with the lowest prices starting at $1,238 and $1,292, 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 Delta ($601), Air Canada ($660), and Alaska Airlines ($760).
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 $888). Flying from Washington, D.C. Reagan-National Airport to Osaka in June is currently the most expensive (average of $1,324). 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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$575+ 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 8/5. 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

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Cheap flight deals from Reagan-National to Osaka

Round-trip from

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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 junio 12, 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 junio 12, 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.

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 junio 12, 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?

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

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?

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

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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 junio 12, 2025.