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

The cheapest airlines for a one-way flight from Osaka Kansai Intl Airport to Washington, D.C. are EVA Air ($720), Air China ($958), and Air Canada ($1,132).

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

Currently, August is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. (average of $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. in June is currently the most expensive (average of $383). 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 are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?

Most travelers choose Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Baltimore/Washington or Osaka Kansai Intl - Washington, D.C. Reagan-National when deciding on the best route from Osaka Kansai Intl Airport to Washington, D.C..

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

October is one of the best times of the year to fly to Washington, D.C. from Osaka Kansai Intl Airport. Prices for October average $1,683 per person but you can even find prices for as low as $1,208. The most expensive prices can be found in the month of March. Opting for a October flight can save you 46% on your journey compared to booking in March

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

When flying from Osaka Kansai Intl Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 7% versus a flight in the morning.

Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Kansai Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kansai Intl to Washington, D.C.?

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

Can I find deals for business class flights from Kansai Intl to Washington, D.C.?

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

$413+ Flights from Osaka Kansai Intl Airport to Washington, D.C.

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Cheap flight deals from Kansai Intl to Washington, D.C.

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,110 (Mytrip)
One-way from	$413 (Kiwi.com)
Popular in	March
Cheapest in	October

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

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

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From Osaka Kansai Intl to Washington, D.C. (WAS)

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One-way flight from Osaka Kansai Intl to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 14% potential increase in price ($287 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($87 potential savings vs. average RT price).

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Find flight deals from Kansai Intl to Washington, D.C.

Cheapest flights from Kansai Intl to Washington, D.C.
Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

mié. 5/78:55 pmKIX - BWI

3 stops47h 15mMultiple Airlines

dom. 5/115:15 pmBWI - KIX

3 stops34h 50mMultiple Airlines

Deal found 4/17

$1,110

mié. 6/186:30 pmKIX - IAD

2 stops25h 57mMultiple Airlines

sáb. 9/138:29 pmIAD - KIX

2 stops24h 41mMultiple Airlines

Deal found 4/17

$1,175

mié. 5/78:25 amKIX - IAD

2 stops26h 00mAir Canada

dom. 5/115:44 pmIAD - KIX

2 stops33h 41mAir Canada

Deal found 4/17

$1,232

mié. 5/78:25 amKIX - DCA

2 stops27h 03mAir Canada

dom. 5/114:35 pmDCA - KIX

2 stops34h 50mAir Canada

Deal found 4/17

$1,232

mié. 9/310:50 amKIX - DCA

2 stops23h 09mMultiple Airlines

jue. 9/119:00 amDCA - KIX

2 stops35h 40mMultiple Airlines

Deal found 4/17

$1,369

mié. 6/184:55 pmKIX - BWI

2 stops18h 59mUnited Airlines

sáb. 9/134:10 pmBWI - KIX

2 stops33h 40mUnited Airlines

Deal found 4/17

$1,494

vie. 6/69:30 amKIX - IAD

1 stop46h 55mLufthansa

mar. 6/2410:20 pmIAD - KIX

1 stop43h 55mLufthansa

Deal found 4/17

$1,601

dom. 6/111:20 amKIX - IAD

1 stop44h 55mAir France

dom. 6/86:30 pmIAD - KIX

2 stops26h 50mAir France

Deal found 4/17

$1,718

mié. 9/34:50 pmKIX - DCA

1 stop17h 23mUnited Airlines

jue. 9/117:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Deal found 4/17

$1,763

mié. 7/26:40 amKIX - DCA

2 stops20h 50mJapan Airlines

mié. 7/2310:09 pmDCA - KIX

2 stops21h 16mJapan Airlines

Deal found 4/16

$1,838

sáb. 12/206:30 pmKIX - IAD

1 stop26h 53mUnited Airlines

sáb. 1/310:05 pmIAD - KIX

2 stops31h 20mUnited Airlines

Deal found 4/17

$1,840

mié. 7/27:00 amKIX - IAD

1 stop21h 45mANA

mié. 7/2312:20 pmIAD - KIX

1 stop21h 00mANA

Deal found 4/16

$1,894

Best flights from Kansai Intl to Washington, D.C.
Discover carefully curated flight deals from Kansai Intl to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 17, 2025.

mié. 5/78:55 pmKIX - BWI

3 stops47h 15mMultiple Airlines

dom. 5/115:15 pmBWI - KIX

3 stops34h 50mMultiple Airlines

Deal found 4/17

$1,110

mié. 5/78:25 amKIX - IAD

2 stops26h 00mAir Canada

dom. 5/115:44 pmIAD - KIX

2 stops33h 41mAir Canada

Deal found 4/17

$1,232

mié. 6/184:55 pmKIX - BWI

2 stops18h 59mUnited Airlines

sáb. 9/136:40 pmBWI - KIX

3 stops31h 10mUnited Airlines

Deal found 4/17

$1,494

vie. 6/69:30 amKIX - IAD

1 stop46h 55mLufthansa

mar. 6/2410:20 pmIAD - KIX

1 stop43h 55mLufthansa

Deal found 4/17

$1,601

dom. 6/111:20 amKIX - IAD

1 stop44h 55mAir France

dom. 6/86:30 pmIAD - KIX

2 stops26h 50mAir France

Deal found 4/17

$1,718

mié. 7/26:40 amKIX - DCA

2 stops20h 50mJapan Airlines

mié. 7/2310:09 pmDCA - KIX

2 stops21h 16mJapan Airlines

Deal found 4/16

$1,838

mié. 7/27:00 amKIX - IAD

1 stop21h 45mANA

mié. 7/2312:20 pmIAD - KIX

1 stop21h 00mANA

Deal found 4/16

$1,894

mié. 5/76:10 pmKIX - IAD

1 stop35h 00mEtihad Airways

mié. 5/1410:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Deal found 4/16

$1,997

vie. 6/67:35 pmKIX - BWI

2 stops41h 19mCathay Pacific

mar. 6/247:12 pmBWI - KIX

3 stops30h 43mCathay Pacific

Deal found 4/17

$2,134

dom. 6/15:55 pmKIX - DCA

2 stops19h 51mAmerican Airlines

dom. 6/88:20 amDCA - KIX

1 stop21h 25mAmerican Airlines

Deal found 4/17

$2,248

mié. 6/186:30 pmKIX - IAD

2 stops25h 57mMultiple Airlines

sáb. 9/138:29 pmIAD - KIX

2 stops24h 41mMultiple Airlines

Deal found 4/17

$1,175

mié. 5/78:25 amKIX - DCA

2 stops27h 03mAir Canada

dom. 5/114:35 pmDCA - KIX

2 stops34h 50mAir Canada

Deal found 4/17

$1,232

Last-minute flights from Kansai Intl to Washington, D.C.
Discover last-minute flight deals from Kansai Intl to Washington, D.C.. Data last updated abril 17, 2025 and is based on user searches.

mié. 5/78:55 pmKIX - BWI

3 stops47h 15mMultiple Airlines

dom. 5/115:15 pmBWI - KIX

3 stops34h 50mMultiple Airlines

Deal found 4/17

$1,110

mié. 5/78:25 amKIX - IAD

2 stops26h 00mAir Canada

dom. 5/115:44 pmIAD - KIX

2 stops33h 41mAir Canada

Deal found 4/17

$1,232

mié. 5/78:25 amKIX - DCA

2 stops27h 03mAir Canada

dom. 5/114:35 pmDCA - KIX

2 stops34h 50mAir Canada

Deal found 4/17

$1,232

mié. 5/77:40 amKIX - IAD

3 stops41h 07mMultiple Airlines

dom. 5/111:20 pmIAD - KIX

3 stops33h 00mMultiple Airlines

Deal found 4/17

$1,235

mié. 5/78:25 amKIX - DCA

2 stops27h 03mMultiple Airlines

mié. 5/148:15 amDCA - KIX

1 stop21h 30mMultiple Airlines

Deal found 4/16

$1,825

mié. 5/74:50 pmKIX - BWI

1 stop27h 27mUnited Airlines

dom. 5/116:35 pmBWI - KIX

1 stop31h 15mUnited Airlines

Deal found 4/17

$1,927

mié. 5/76:10 pmKIX - IAD

1 stop35h 00mEtihad Airways

mié. 5/1410:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Deal found 4/16

$1,997

mié. 5/74:50 pmKIX - DCA

1 stop17h 44mUnited Airlines

dom. 5/117:25 amDCA - KIX

2 stops23h 05mUnited Airlines

Deal found 4/17

$2,085

sáb. 5/3111:20 amKIX - IAD

1 stop44h 55mAir France

sáb. 6/79:20 pmIAD - KIX

1 stop23h 05mAir France

Deal found 4/16

$1,967

sáb. 5/312:50 pmKIX - DCA

2 stops20h 46mJapan Airlines

sáb. 6/710:20 amDCA - KIX

2 stops33h 00mJapan Airlines

Deal found 4/16

$2,059

sáb. 5/317:10 pmKIX - IAD

3 stops50h 45mEthiopian Air

sáb. 6/710:55 amIAD - KIX

2 stops45h 10mEthiopian Air

Deal found 4/16

$2,797

One-way flights from Kansai Intl to Washington, D.C.
Search for one-way flight options from Kansai Intl to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated abril 17, 2025.

sáb. 5/107:40 amKIX - BWI

2 stops24h 59mMultiple Airlines

Deal found 4/16

$413

sáb. 5/107:40 amKIX - IAD

3 stops35h 51mMultiple Airlines

Deal found 4/16

$455

lun. 5/127:40 amKIX - DCA

3 stops46h 19mMultiple Airlines

Deal found 4/16

$469

mié. 9/36:30 pmKIX - IAD

2 stops34h 29mEVA Air

Deal found 4/16

$720

mié. 9/31:10 pmKIX - DCA

2 stops44h 49mEVA Air

Deal found 4/16

$720

mar. 5/139:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/16

$958

mié. 6/256:05 pmKIX - DCA

2 stops29h 13mAir Canada

Deal found 4/17

$1,132

mié. 6/256:05 pmKIX - IAD

1 stop16h 22mAir Canada

Deal found 4/17

$1,133

jue. 8/74:20 pmKIX - IAD

3 stops51h 30mCathay Pacific

Deal found 4/15

$1,162

mar. 5/134:50 pmKIX - BWI

1 stop37h 40mUnited Airlines

Deal found 4/16

$1,175

dom. 5/114:20 pmKIX - DCA

3 stops39h 47mCathay Pacific

Deal found 4/16

$1,195

jue. 5/156:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Deal found 4/16

$1,229

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

mié. 5/7

8:55 pm-7:10 am

3 stops47h 15m

Baltimore/Washington

dom. 5/11

5:15 pm-5:05 pm

3 stops34h 50m

$1,110

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

mié. 6/18

6:30 pm-7:27 am

2 stops25h 57m

Washington, D.C. Dulles Intl

sáb. 9/13

8:29 pm-10:10 am

2 stops24h 41m

$1,175

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

mié. 5/7

8:25 am-9:25 pm

2 stops26h 00m

Washington, D.C. Dulles Intl

dom. 5/11

5:44 pm-4:25 pm

2 stops33h 41m

$1,232

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

mié. 5/7

8:25 am-10:28 pm

2 stops27h 03m

Washington, D.C. Reagan-National

dom. 5/11

4:35 pm-4:25 pm

2 stops34h 50m

$1,232

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

mié. 9/3

10:50 am-8:59 pm

2 stops23h 09m

Washington, D.C. Reagan-National

jue. 9/11

9:00 am-9:40 am

2 stops35h 40m

$1,369

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

mié. 6/18

4:55 pm-10:54 pm

2 stops18h 59m

Baltimore/Washington

sáb. 9/13

6:40 pm-2:50 pm

3 stops31h 10m

$1,494

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 6/6

9:30 am-7:25 pm

1 stop46h 55m

Washington, D.C. Dulles Intl

mar. 6/24

10:20 pm-7:15 am

1 stop43h 55m

$1,601

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

dom. 6/1

11:20 am-7:15 pm

1 stop44h 55m

Washington, D.C. Dulles Intl

dom. 6/8

6:30 pm-10:20 am

2 stops26h 50m

$1,718

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

mié. 9/3

4:50 pm-9:13 pm

1 stop17h 23m

Washington, D.C. Reagan-National

jue. 9/11

7:00 am-2:50 pm

1 stop18h 50m

$1,763

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

mié. 7/2

6:40 am-2:30 pm

2 stops20h 50m

Washington, D.C. Reagan-National

mié. 7/23

10:09 pm-8:25 am

2 stops21h 16m

$1,838

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 39 results

Best time to book a flight from Kansai Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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).

Reviews of airlines servicing Washington, D.C.

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

1,447 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.

Emirates

8.0

Very good

3,200 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 to fly from Osaka Kansai Intl Airport to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Osaka Kansai Intl Airport to Washington, D.C. are EVA Air ($720), Air China ($958), and Air Canada ($1,132).
What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?
Most travelers choose Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Baltimore/Washington or Osaka Kansai Intl - Washington, D.C. Reagan-National when deciding on the best route from Osaka Kansai Intl Airport to Washington, D.C..
Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Kansai Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansai Intl to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Washington, D.C..
Can I find deals for business class flights from Kansai Intl to Washington, D.C.?
Yes. Cheapflights offers flight deals from Kansai Intl to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. (average of $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. in June is currently the most expensive (average of $383). 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

Arlington

Alexandria

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Tysons

Springfield

Woodbridge

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

Falls Church

Laurel

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Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

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$413+ Cheap flights from Kansai Intl (KIX) to Washington, D.C. (WAS)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansai Intl to Washington, D.C. with Cheapflights

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Find flight deals from Kansai Intl to Washington, D.C.

Cheapest flights from Kansai Intl to Washington, D.C.Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Kansai Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kansai Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Related info for your journey

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

What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?

Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?

How can I find direct flights from Kansai Intl to Washington, D.C.?

Can I find deals for business class flights from Kansai Intl to Washington, D.C.?

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

Traveling to a place near Osaka Kansai Intl Airport?

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Cheapest flights from Kansai Intl to Washington, D.C.
Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.