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

$570 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on China Airlines and Philippine Airlines, with prices starting from $732 and $795, respectively.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport (average of $893). Flying from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,336). 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 Kansai Intl Airport?

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

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Osaka Kansai Intl Airport. Flights to Osaka Kansai Intl Airport from Washington, D.C. Reagan-National Airport in January are about $1,425 on average during January, but can be found for as low as $935.

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

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 Kansai Intl Airport as you normally would.

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

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

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

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

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

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

$524+ Flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport - Compare & Save Big

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 7% on flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,013. For sooner than that we have options available in the next 3 days from $1,264.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Reagan-National to Kansai Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,241 (Cathay Pacific)
One-way from	$531 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,727

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

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

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From Washington, D.C. Reagan-National to Osaka Kansai Intl

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

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High demand for flights, 8% potential price rise

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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find flight deals from Reagan-National to Kansai Intl

Cheapest flights from Reagan-National to Kansai Intl
Explore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Mon 9/16:59 pmDCA - KIX

2 stops25h 41mMultiple Airlines

Wed 9/1010:50 amKIX - DCA

2 stops23h 09mMultiple Airlines

Deal found 4/29

$1,184

Tue 5/611:55 amDCA - KIX

2 stops38h 20mCathay Pacific

Tue 5/139:10 amKIX - DCA

2 stops37h 19mCathay Pacific

Deal found 4/29

$1,197

Tue 10/74:35 pmDCA - KIX

2 stops34h 50mAir Canada

Tue 10/283:40 pmKIX - DCA

2 stops19h 57mAir Canada

Deal found 4/30

$1,251

Tue 10/78:25 amDCA - KIX

1 stop21h 20mJapan Airlines

Tue 10/286:45 amKIX - DCA

2 stops20h 19mJapan Airlines

Deal found 4/30

$1,711

Wed 10/17:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Tue 10/144:50 pmKIX - DCA

1 stop17h 23mUnited Airlines

Deal found 4/30

$1,743

Sun 7/68:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

Wed 8/275:55 pmKIX - DCA

2 stops20h 21mAmerican Airlines

Deal found 4/29

$1,848

Best flights from Reagan-National to Kansai Intl
Discover carefully curated flight deals from Reagan-National to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Mon 5/511:55 amDCA - KIX

2 stops29h 45mCathay Pacific

Wed 5/147:35 pmKIX - DCA

2 stops36h 32mCathay Pacific

Deal found 4/30

$1,241

Tue 5/64:35 pmDCA - KIX

2 stops34h 50mAir Canada

Thu 6/266:05 pmKIX - DCA

2 stops29h 13mAir Canada

Deal found 4/30

$1,489

Sat 6/144:35 pmDCA - KIX

2 stops27h 50mMultiple Airlines

Sat 6/211:35 pmKIX - DCA

3 stops32h 17mMultiple Airlines

Deal found 4/30

$1,740

Tue 7/17:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Fri 7/114:55 pmKIX - DCA

1 stop17h 32mUnited Airlines

Deal found 4/30

$1,837

Sun 7/68:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

Wed 8/275:55 pmKIX - DCA

2 stops20h 21mAmerican Airlines

Deal found 4/30

$1,848

Sat 5/316:35 amDCA - KIX

2 stops26h 40mJapan Airlines

Tue 6/102:50 pmKIX - DCA

2 stops21h 17mJapan Airlines

Deal found 4/30

$1,862

Thu 6/196:58 pmDCA - KIX

2 stops34h 47mAlaska Airlines

Sat 6/288:45 pmKIX - DCA

1 stop34h 13mAlaska Airlines

Deal found 4/30

$2,544

Sat 6/145:00 pmDCA - KIX

2 stops35h 15mEmirates

Sat 6/2111:45 pmKIX - DCA

2 stops37h 14mEmirates

Deal found 4/30

$4,071

Mon 7/217:59 amDCA - KIX

2 stops24h 01mDelta

Sat 8/96:20 pmKIX - DCA

2 stops33h 29mDelta

Deal found 4/30

$7,442

Sun 7/207:54 pmDCA - KIX

2 stops25h 26mKLM

Sun 8/1012:00 pmKIX - DCA

2 stops41h 29mKLM

Deal found 4/29

$9,343

Last-minute flights from Reagan-National to Kansai Intl
Discover last-minute flight deals from Reagan-National to Kansai Intl. Data last updated May 1, 2025 and is based on user searches.

Mon 5/58:15 amDCA - KIX

1 stop21h 30mJapan Airlines

Wed 5/146:45 amKIX - DCA

2 stops20h 11mJapan Airlines

Deal found 4/30

$2,283

Mon 5/511:55 amDCA - KIX

2 stops29h 45mCathay Pacific

Wed 5/147:35 pmKIX - DCA

2 stops36h 32mCathay Pacific

Deal found 4/30

$1,241

Tue 5/611:55 amDCA - KIX

2 stops38h 20mCathay Pacific

Tue 5/139:10 amKIX - DCA

2 stops37h 19mCathay Pacific

Deal found 4/29

$1,197

Tue 5/64:35 pmDCA - KIX

2 stops34h 50mAir Canada

Thu 6/266:05 pmKIX - DCA

2 stops29h 13mAir Canada

Deal found 4/29

$1,489

Tue 5/67:25 amDCA - KIX

2 stops23h 05mUnited Airlines

Tue 5/134:50 pmKIX - DCA

1 stop17h 44mUnited Airlines

Deal found 4/29

$2,200

Tue 5/65:30 pmDCA - KIX

1 stop36h 15mMultiple Airlines

Thu 6/265:55 pmKIX - DCA

1 stop35h 27mMultiple Airlines

Deal found 4/28

$2,298

Tue 5/64:35 pmDCA - KIX

2 stops34h 50mAir Canada

Thu 6/266:05 pmKIX - DCA

2 stops29h 13mAir Canada

Deal found 4/30

$1,489

Thu 5/297:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Thu 6/54:55 pmKIX - DCA

1 stop37h 02mUnited Airlines

Deal found 4/30

$2,470

Fri 5/308:40 pmDCA - KIX

2 stops24h 30mMultiple Airlines

Fri 6/65:30 pmKIX - DCA

3 stops31h 31mMultiple Airlines

Deal found 4/30

$1,841

Sat 5/316:35 amDCA - KIX

2 stops26h 40mJapan Airlines

Tue 6/102:50 pmKIX - DCA

2 stops21h 17mJapan Airlines

Deal found 4/30

$1,862

One-way flights from Reagan-National to Kansai Intl
Search for one-way flight options from Reagan-National to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 8/199:59 amDCA - KIX

2 stops38h 01mMultiple Airlines

Deal found 4/30

$531

Thu 8/2112:31 pmDCA - KIX

2 stops29h 09mCathay Pacific

Deal found 4/30

$570

Tue 10/75:30 pmDCA - KIX

2 stops35h 35mChina Airlines

Deal found 4/30

$732

Tue 10/78:25 amDCA - KIX

2 stops46h 15mPhilippine Airlines

Deal found 4/30

$795

Tue 10/76:59 amDCA - KIX

1 stop20h 26mAir Canada

Deal found 4/30

$816

Tue 10/78:25 amDCA - KIX

1 stop21h 20mJapan Airlines

Deal found 4/30

$973

Tue 10/77:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Deal found 4/30

$1,020

Fri 5/236:38 pmDCA - KIX

2 stops52h 32mEVA Air

Deal found 4/29

$1,097

Thu 6/128:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

Deal found 4/30

$1,280

Mon 7/218:30 amDCA - KIX

2 stops22h 00mANA

Deal found 4/29

$4,110

Sat 7/263:59 pmDCA - KIX

2 stops28h 26mAir France

Deal found 4/29

$9,198

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport 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 9/1

6:59 pm-9:40 am

2 stops25h 41m

Osaka Kansai Intl

Wed 9/10

10:50 am-8:59 pm

2 stops23h 09m

$1,184

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 10/7

4:35 pm-4:25 pm

2 stops34h 50m

Osaka Kansai Intl

Tue 10/28

3:40 pm-10:37 pm

2 stops19h 57m

$1,251

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 10/7

12:16 pm-6:40 am

2 stops29h 24m

Osaka Kansai Intl

Tue 10/28

9:25 am-12:56 am

2 stops28h 31m

$1,286

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 10/7

8:25 am-6:45 pm

1 stop21h 20m

Osaka Kansai Intl

Tue 10/28

6:45 am-2:04 pm

2 stops20h 19m

$1,711

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/1

7:00 am-2:50 pm

1 stop18h 50m

Osaka Kansai Intl

Wed 10/15

4:50 pm-9:13 pm

1 stop17h 23m

$1,743

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 7/6

8:20 am-6:45 pm

1 stop21h 25m

Osaka Kansai Intl

Wed 8/27

5:55 pm-1:16 am

2 stops20h 21m

$1,848

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/16

9:59 am-6:45 pm

3 stops43h 46m

$524

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Thu 8/21

12:31 pm-6:40 am

2 stops29h 09m

$570

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 10/7

5:30 pm-6:05 pm

2 stops35h 35m

$732

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/16

5:49 pm-6:45 pm

2 stops35h 56m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 results

Compare providers for flights from Reagan-National to Kansai Intl

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

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

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl 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 Kansai Intl Airport

Rainfall in Kansai Intl by month

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

Temperature in Kansai Intl by month

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

Reviews of airlines servicing Kansai Intl

See what other customers who have flown with EVA Air, Japan Airlines and China Airlines from Washington, D.C. to Osaka have to say. 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

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Japan Airlines

8.3

Very good

1,459 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

China Airlines

8.3

Very good

732 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

ANA

8.3

Very good

852 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Emirates

8.0

Very good

3,215 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport one-way?
$570 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on China Airlines and Philippine Airlines, with prices starting from $732 and $795, respectively.
Can I find deals for flights from Reagan-National to Kansai Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Kansai Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Kansai Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Kansai Intl.
Can I find deals for business class flights from Reagan-National to Kansai Intl?
Yes. Cheapflights offers flight deals from Reagan-National to Kansai Intl 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 Kansai Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport (average of $893). Flying from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,336). 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.

See more FAQs

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$524+ Cheap flights from Reagan-National (DCA) to Kansai Intl (KIX)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Kansai Intl 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 Kansai Intl

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 Kansai Intl

Cheapest flights from Reagan-National to Kansai IntlExplore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Reagan-National to Kansai Intl

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 Kansai Intl in May.

Best time to book a flight from Reagan-National to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl 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 Kansai Intl Airport

Rainfall in Kansai Intl by month

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

Temperature in Kansai Intl by month

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

Reviews of airlines servicing Kansai Intl

See what other customers who have flown with EVA Air, Japan Airlines and China Airlines from Washington, D.C. to Osaka have to say. 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 Kansai Intl. 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 to fly from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport one-way?

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

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

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

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

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Cheapest flights from Reagan-National to Kansai Intl
Explore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.