$445 Cheap Flights from Kaohsiung (KHH) to Washington (IAD)

View $445 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Kaohsiung to Washington (KHH-IAD)

Prices were available within the past 7 days and start at $445 for one-way flights and $1,314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Fri, Nov 21 - Mon, Dec 1
KHH
Kaohsiung
IAD
Washington
$1,314 Roundtrip, found 3 days ago
$1,314
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from Kaohsiung to Washington, returning Mon, Dec 1, priced at $1,314 found 3 days ago
Air Canada
Mon, Dec 15 - Tue, Jul 21
KHH
Kaohsiung
IAD
Washington
$1,526 Roundtrip, found 5 days ago
$1,526
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Dec 15 from Kaohsiung to Washington, returning Tue, Jul 21, priced at $1,526 found 5 days ago
Cathay Pacific
Fri, Nov 21 - Mon, Dec 1
KHH
Kaohsiung
IAD
Washington
$1,665 Roundtrip, found 3 days ago
$1,665
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Fri, Nov 21 from Kaohsiung to Washington, returning Mon, Dec 1, priced at $1,665 found 3 days ago
Korean Air
Mon, Dec 15 - Tue, Jul 21
KHH
Kaohsiung
IAD
Washington
$1,911 Roundtrip, found 5 days ago
$1,911
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Dec 15 from Kaohsiung to Washington, returning Tue, Jul 21, priced at $1,911 found 5 days ago
All Nippon Airways
Thu, Dec 11 - Mon, Dec 22
KHH
Kaohsiung
IAD
Washington
$2,423 Roundtrip, found 6 days ago
$2,423
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Thu, Dec 11 from Kaohsiung to Washington, returning Mon, Dec 22, priced at $2,423 found 6 days ago

Frequently asked questions

How much does a flight from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $445 or cheap return flight from $1,314 from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD)?
Traveling in November may help you find better deals, as it's the cheapest month for flights between KHH and IAD. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from KHH to IAD. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD)?
You'll have to book a flight with a layover if you're traveling from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from KHH to IAD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD)?
To touch down at Washington Dulles Intl. Airport (IAD) on schedule, choose a flight that leaves Kaohsiung Intl. Airport (KHH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from KHH to IAD shortly before your journey is usually more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a KHH to IAD flight and hotel package?
You'll typically save money by securing a KHH to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Kaohsiung Intl. Airport (KHH) to Washington Dulles Intl. Airport (IAD)?
It's generally possible to cancel or reschedule your KHH to IAD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Kaohsiung Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
$1,313
Distance
8032 mi

Book with confidence

Kaohsiung to Washington Flights

The cheapest times to fly from Kaohsiung to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kaohsiung to Washington are during the month of November. You can find some of the cheapest flights from Kaohsiung to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kaohsiung to Washington

Sunday is one of the best days to book for cheap flights from Kaohsiung to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kaohsiung to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kaohsiung to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $445 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kaohsiung to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kaohsiung to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kaohsiung to Washington Flights

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*Available to One Key members.