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

To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $674. EVA Air flights start at $692 while deals on Alaska Airlines start at $1,015 one-way.

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

Currently, February is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

May is one of the best times of the year to fly to Washington, D.C. Reagan-National Airport from Osaka Kansai Intl Airport. Prices for May average $1,621 per person but you can even find prices for as low as $1,075. The most expensive prices can be found in the month of March. Opting for a May flight can save you 51% on your journey compared to booking in March

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

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

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

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

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

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

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

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

$574+ Flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Kansai Intl to Reagan-National

Round-trip from	$1,003 (Mytrip)
One-way from	$574 (Kiwi.com)
Popular in	March
Cheapest in	May
Average price	$1,586

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

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

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Highest demand for flights based on searches. 17% potential increase in price ($349 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($93 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Kansai Intl to Reagan-National

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

Thu 9/1112:25 pmKIX - DCA

3 stops34h 55mMultiple Airlines

Thu 9/189:40 amDCA - KIX

2 stops22h 25mMultiple Airlines

Deal found 7/28

$1,003

Tue 8/2612:35 pmKIX - DCA

2 stops21h 12mDelta

Tue 9/167:45 amDCA - KIX

2 stops24h 15mDelta

Deal found 7/30

$1,130

Thu 8/286:05 pmKIX - DCA

2 stops29h 13mAir Canada

Thu 9/46:00 amDCA - KIX

2 stops21h 25mAir Canada

Deal found 7/29

$1,356

Tue 12/168:45 pmKIX - DCA

2 stops39h 10mAlaska Airlines

Wed 1/75:10 pmDCA - KIX

2 stops35h 35mAlaska Airlines

Deal found 7/28

$1,374

Fri 12/196:35 pmKIX - DCA

2 stops19h 21mUnited Airlines

Sun 1/45:00 pmDCA - KIX

2 stops33h 40mUnited Airlines

Deal found 7/30

$1,653

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

Thu 9/1112:25 pmKIX - DCA

3 stops34h 55mMultiple Airlines

Thu 9/189:40 amDCA - KIX

2 stops22h 25mMultiple Airlines

Deal found 7/28

$1,003

Tue 8/2612:35 pmKIX - DCA

2 stops21h 12mDelta

Tue 9/167:45 amDCA - KIX

2 stops24h 15mDelta

Deal found 7/30

$1,130

Thu 8/286:05 pmKIX - DCA

2 stops29h 13mAir Canada

Thu 9/46:00 amDCA - KIX

2 stops21h 25mAir Canada

Deal found 7/29

$1,356

Tue 12/168:45 pmKIX - DCA

2 stops39h 10mAlaska Airlines

Wed 1/75:10 pmDCA - KIX

2 stops35h 35mAlaska Airlines

Deal found 7/28

$1,374

Fri 12/196:35 pmKIX - DCA

2 stops19h 21mUnited Airlines

Sun 1/45:00 pmDCA - KIX

2 stops33h 40mUnited Airlines

Deal found 7/30

$1,653

Sat 12/205:50 pmKIX - DCA

1 stop36h 09mAmerican Airlines

Fri 1/95:30 pmDCA - KIX

1 stop35h 20mAmerican Airlines

Deal found 7/28

$1,818

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

Wed 7/304:20 pmKIX - DCA

3 stops31h 19mCathay Pacific

Sun 8/246:30 amDCA - KIX

2 stops25h 45mCathay Pacific

Deal found 7/29

$2,433

Tue 8/2612:35 pmKIX - DCA

2 stops21h 12mDelta

Tue 9/167:45 amDCA - KIX

2 stops24h 15mDelta

Deal found 7/30

$1,130

Tue 8/264:55 pmKIX - DCA

1 stop17h 42mUnited Airlines

Tue 9/167:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Deal found 7/30

$1,686

Thu 8/286:05 pmKIX - DCA

2 stops29h 13mAir Canada

Thu 9/46:00 amDCA - KIX

2 stops21h 25mAir Canada

Deal found 7/29

$1,356

Thu 8/285:55 pmKIX - DCA

1 stop35h 16mJapan Airlines

Thu 9/48:20 amDCA - KIX

1 stop21h 25mJapan Airlines

Deal found 7/29

$1,869

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

Tue 10/217:35 amKIX - DCA

2 stops26h 39mMultiple Airlines

Deal found 7/30

$574

Thu 11/2712:45 pmKIX - DCA

2 stops41h 21mChina Airlines

Deal found 7/28

$674

Sun 11/166:00 pmKIX - DCA

2 stops40h 00mEVA Air

Deal found 7/28

$692

Tue 10/218:45 pmKIX - DCA

1 stop33h 03mAlaska Airlines

Deal found 7/30

$1,015

Fri 10/246:05 pmKIX - DCA

1 stop17h 29mAir Canada

Deal found 7/27

$1,054

Fri 10/244:20 pmKIX - DCA

3 stops31h 06mCathay Pacific

Deal found 7/27

$1,193

Sun 11/25:50 pmKIX - DCA

1 stop16h 54mJapan Airlines

Deal found 7/28

$1,897

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 9/11

12:25 pm-10:20 am

3 stops34h 55m

Washington, D.C. Reagan-National

Thu 9/18

9:40 am-9:05 pm

2 stops22h 25m

$1,003

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 8/26

12:35 pm-8:47 pm

2 stops21h 12m

Washington, D.C. Reagan-National

Tue 9/16

7:45 am-9:00 pm

2 stops24h 15m

$1,130

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 8/28

6:05 pm-10:18 am

2 stops29h 13m

Washington, D.C. Reagan-National

Thu 9/4

6:00 am-4:25 pm

2 stops21h 25m

$1,356

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 12/16

8:45 pm-9:55 pm

2 stops39h 10m

Washington, D.C. Reagan-National

Wed 1/7

5:10 pm-6:45 pm

2 stops35h 35m

$1,374

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 12/19

6:35 pm-11:56 pm

2 stops19h 21m

Washington, D.C. Reagan-National

Sun 1/4

5:00 pm-4:40 pm

2 stops33h 40m

$1,653

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 12/20

5:50 pm-3:59 pm

1 stop36h 09m

Washington, D.C. Reagan-National

Fri 1/9

5:30 pm-6:50 pm

1 stop35h 20m

$1,818

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 10/21

7:35 am-9:14 pm

2 stops26h 39m

$574

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 11/27

12:45 pm-4:06 pm

2 stops41h 21m

$674

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sun 11/16

6:00 pm-8:00 pm

2 stops40h 00m

$692

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 10/21

8:45 pm-4:48 pm

1 stop33h 03m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 13 results

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Kansai Intl 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.

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown EVA Air, Japan Airlines, and China Airlines from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,222 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,536 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

754 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Alaska Airlines

8.0

Very good

10,000 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Delta

8.0

Very good

7,980 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport one-way?
To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $674. EVA Air flights start at $692 while deals on Alaska Airlines start at $1,015 one-way.
Can I find deals for flights from Kansai Intl to Reagan-National that include hotel bookings?
Yes. In addition to deals on Kansai Intl to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansai Intl to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Reagan-National.
Can I find deals for business class flights from Kansai Intl to Reagan-National?
Yes. Cheapflights offers flight deals from Kansai Intl to Reagan-National 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 Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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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$574+ Cheap flights from Kansai Intl (KIX) to Reagan-National (DCA)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.

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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansai Intl to Reagan-National

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Find flight deals from Kansai Intl to Reagan-National

Cheapest flights from Kansai Intl to Reagan-NationalExplore the most affordable flight options available from Kansai Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

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

Cheapflights Fare Finder

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

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

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

Reviews of airlines servicing Reagan-National

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to Reagan-National. 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 Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport one-way?

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

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

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

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

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

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