$602 Cheap Flights from Washington (DCA) to Osaka (KIX)

View $602 flight on Wed, Aug 20, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Osaka (DCA-KIX)

Prices were available within the past 7 days and start at $602 for one-way flights and $1,121 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, Aug 26 - Tue, Sep 16
DCA
Washington
KIX
Osaka
$1,121 Roundtrip, found 3 days ago
$1,121
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Tue, Aug 26 from Washington to Osaka, returning Tue, Sep 16, priced at $1,121 found 3 days ago
Cathay Pacific
Mon, Aug 18 - Thu, Aug 28
DCA
Washington
KIX
Osaka
$1,121 Roundtrip, found 11 hours ago
$1,121
Roundtrip
found 11 hours ago
Select Cathay Pacific flight, departing Mon, Aug 18 from Washington to Osaka, returning Thu, Aug 28, priced at $1,121 found 11 hours ago
Air Canada
Fri, Sep 12 - Tue, Sep 16
DCA
Washington
KIX
Osaka
$1,140 Roundtrip, found 3 days ago
$1,140
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Sep 12 from Washington to Osaka, returning Tue, Sep 16, priced at $1,140 found 3 days ago
Air Canada
Sun, Sep 28 - Thu, Oct 2
DCA
Washington
KIX
Osaka
$1,145 Roundtrip, found 6 days ago
$1,145
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Sep 28 from Washington to Osaka, returning Thu, Oct 2, priced at $1,145 found 6 days ago
Alaska Airlines
Mon, May 12 - Wed, Jun 18
DCA
Washington
KIX
Osaka
$1,151 Roundtrip, found 3 days ago
$1,151
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, May 12 from Washington to Osaka, returning Wed, Jun 18, priced at $1,151 found 3 days ago
Alaska Airlines
Wed, Sep 3 - Wed, Sep 17
DCA
Washington
KIX
Osaka
$1,164 Roundtrip, found 1 day ago
$1,164
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Washington to Osaka, returning Wed, Sep 17, priced at $1,164 found 1 day ago
Cathay Pacific
Thu, Aug 28 - Sat, Sep 6
DCA
Washington
KIX
Osaka
$1,171 Roundtrip, found 1 day ago
$1,171
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Thu, Aug 28 from Washington to Osaka, returning Sat, Sep 6, priced at $1,171 found 1 day ago
Air Canada
Thu, Oct 2 - Sat, Oct 4
DCA
Washington
KIX
Osaka
$1,176 Roundtrip, found 6 days ago
$1,176
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Oct 2 from Washington to Osaka, returning Sat, Oct 4, priced at $1,176 found 6 days ago
JetBlue Airways
Mon, Sep 8 - Tue, Sep 16
DCA
Washington
KIX
Osaka
$1,206 Roundtrip, found 6 days ago
$1,206
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Sep 8 from Washington to Osaka, returning Tue, Sep 16, priced at $1,206 found 6 days ago
American Airlines
Sat, Sep 20 - Tue, Sep 23
DCA
Washington
KIX
Osaka
$1,235 Roundtrip, found 2 days ago
$1,235
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 20 from Washington to Osaka, returning Tue, Sep 23, priced at $1,235 found 2 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX) cost?
Discover the latest flight deals from DCA to KIX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DCA to KIX?
The cheapest flights from DCA to KIX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DCA to KIX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DCA to KIX. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX)?
You’ll have to take a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DCA to KIX?
Generally you’ll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX) last-minute?
Waiting until just before your departure to book a flight from DCA to KIX often results in higher prices. While you might find some last-minute discounts, they’re not always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a DCA to KIX flight and hotel package?
Securing a DCA to KIX flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Kansai Intl. Airport (KIX)?
Typically, you can modify or cancel your DCA to KIX flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s fees and policies on flight changes, or if you want further information, visit our Customer Service portal.
*Available to One Key members.