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 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.

$458+ 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	$940 (Air Canada)
One-way from	$458 (Expedia)

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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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 September 11, 2025.

Tue 10/76:05 pmKIX - DCA

2 stops29h 15mAir Canada

Tue 10/146:59 amDCA - KIX

1 stop20h 26mAir Canada

Deal found 9/9

$940

Fri 10/246:05 pmKIX - DCA

1 stop17h 29mAir Canada

Fri 10/316:00 amDCA - KIX

2 stops22h 40mAir Canada

Deal found 9/9

$959

Fri 10/176:05 pmKIX - DCA

1 stop36h 59mAir Canada

Mon 10/206:50 pmDCA - KIX

2 stops35h 40mAir Canada

Deal found 9/8

$972

Sat 10/256:05 pmKIX - DCA

2 stops33h 50mAir Canada

Sat 11/14:17 pmDCA - KIX

2 stops36h 23mAir Canada

Deal found 9/10

$1,020

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 September 11, 2025.

Fri 10/176:05 pmKIX - DCA

1 stop27h 54mAir Canada

Mon 10/209:40 amDCA - KIX

2 stops41h 45mAir Canada

Deal found 9/9

$973

Fri 12/196:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Mon 1/57:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Deal found 9/11

$1,551

Sat 10/256:05 pmKIX - DCA

2 stops33h 50mAir Canada

Sat 11/14:17 pmDCA - KIX

2 stops36h 23mAir Canada

Deal found 9/10

$1,020

Fri 12/196:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Sun 1/45:00 pmDCA - KIX

2 stops33h 40mUnited Airlines

Deal found 9/11

$1,551

Sun 10/263:45 pmKIX - DCA

2 stops19h 50mAir Canada

Sun 11/25:00 amDCA - KIX

2 stops21h 40mAir Canada

Deal found 9/10

$1,582

Last-minute flights from Kansai Intl to Reagan-National
Discover last-minute flight deals from Kansai Intl to Reagan-National. Data last updated September 11, 2025 and is based on user searches.

Tue 10/76:05 pmKIX - DCA

2 stops29h 15mAir Canada

Tue 10/146:59 amDCA - KIX

1 stop20h 26mAir Canada

Deal found 9/9

$940

Fri 10/176:05 pmKIX - DCA

1 stop36h 59mAir Canada

Mon 10/206:50 pmDCA - KIX

2 stops35h 40mAir Canada

Deal found 9/8

$972

Fri 10/246:05 pmKIX - DCA

1 stop17h 29mAir Canada

Fri 10/316:00 amDCA - KIX

2 stops22h 40mAir Canada

Deal found 9/9

$959

Sat 10/256:05 pmKIX - DCA

2 stops33h 50mAir Canada

Sat 11/14:17 pmDCA - KIX

2 stops36h 23mAir Canada

Deal found 9/10

$1,020

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 September 11, 2025.

Wed 9/246:05 pmKIX - DCA

1 stop27h 54mAir Canada

Deal found 9/10

$458

Tue 10/287:50 amKIX - DCA

2 stops39h 36mMultiple Airlines

Deal found 9/8

$464

Thu 10/307:25 pmKIX - DCA

2 stops28h 01mAir Canada

Deal found 9/8

$490

Tue 10/77:40 amKIX - DCA

2 stops26h 34mMultiple Airlines

Deal found 9/9

$497

Tue 10/216:05 pmKIX - DCA

2 stops40h 46mAir Canada

Deal found 9/10

$502

Wed 9/247:35 amKIX - DCA

3 stops41h 35mMultiple Airlines

Deal found 9/10

$535

Thu 10/237:35 amKIX - DCA

3 stops41h 29mMultiple Airlines

Deal found 9/10

$536

Fri 10/247:35 amKIX - DCA

3 stops46h 24mMultiple Airlines

Deal found 9/9

$558

Wed 10/227:35 amKIX - DCA

3 stops26h 39mMultiple Airlines

Deal found 9/10

$559

Sat 10/256:05 pmKIX - DCA

2 stops27h 50mAir Canada

Deal found 9/10

$576

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

Fri 10/17

6:05 pm-8:59 am

1 stop27h 54m

Washington, D.C. Reagan-National

Mon 10/20

9:40 am-4:25 pm

2 stops41h 45m

$973

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 10/25

6:05 pm-2:55 pm

2 stops33h 50m

Washington, D.C. Reagan-National

Sat 11/1

4:17 pm-5:40 pm

2 stops36h 23m

$1,020

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 12/19

6:35 pm-11:59 pm

2 stops19h 24m

Washington, D.C. Reagan-National

Mon 1/5

7:00 am-4:40 pm

1 stop19h 40m

$1,551

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 12/19

6:35 pm-11:59 pm

2 stops19h 24m

Washington, D.C. Reagan-National

Sun 1/4

5:00 pm-4:40 pm

2 stops33h 40m

$1,551

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sun 10/26

3:45 pm-10:35 pm

2 stops19h 50m

Washington, D.C. Reagan-National

Sun 11/2

5:00 am-4:40 pm

2 stops21h 40m

$1,582

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 10/22

6:05 pm-10:34 pm

1 stop17h 29m

$458

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 10/28

7:50 am-10:26 am

2 stops39h 36m

$464

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 10/30

7:25 pm-10:26 am

2 stops28h 01m

$490

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 10/23

6:05 pm-10:20 am

2 stops29h 15m

$502

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 9/24

7:35 am-12:10 pm

3 stops41h 35m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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.

Related info for your journey

How long is the flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport?
Airlines like Air Canada and United Airlines fly from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport in about 19h 24m. The time it takes to get you to your destination can typically vary by up to 8h 30m. Airlines will cover a distance of 6964 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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.

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$458+ 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 10/22. 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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Cheap flight deals from Kansai Intl to Reagan-National

Round-trip from

One-way from

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 September 11, 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 September 11, 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.

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.

How long is the flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport?

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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Alternative routes for Kansai Intl to Reagan-National

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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 September 11, 2025.