$524 Cheap Flights from Washington (IAD) to Kaohsiung (KHH)

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

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Cheap Flights from Washington to Kaohsiung (IAD-KHH)

Prices were available within the past 7 days and start at $524 for one-way flights and $1,079 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
United
Cathay Pacific
Alaska Airlines
Alaska Airlines
American Airlines
Air Canada
Flights from Washington (IAD) to Kaohsiung (KHH)
Origin airport
Washington Dulles Intl.
Destination airport
Kaohsiung Intl.
Airlines serving
Air Canada, KLM, Korean Air, United
Roundtrip price
$1,079
Distance
8032 mi

Washington to Kaohsiung Flights

The cheapest times to fly from Washington to Kaohsiung

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 Washington to Kaohsiung are during the month of May. You can find some of the cheapest flights from Washington to Kaohsiung with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Kaohsiung

Sunday is one of the best days to book for cheap flights from Washington to Kaohsiung: 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 Washington to Kaohsiung

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 Washington to Kaohsiung in 2025. You can also book with separate airlines for your outbound and return journeys, from $524 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 Washington to Kaohsiung 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 Washington to Kaohsiung 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.

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH) cost?
Discover the latest flight deals from IAD to KHH 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 IAD to KHH?
The cheapest flights from IAD to KHH 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 IAD to KHH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAD to KHH. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your travel details and pick either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from IAD to KHH?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the season 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 Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH)?
Book a flight from Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 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 Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH) last-minute?
Booking your flight from IAD to KHH shortly before your journey is generally more expensive. But if there’s some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an IAD to KHH flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to KHH flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Kaohsiung Intl. Airport (KHH)?
Usually, it’s possible to reschedule or cancel your IAD to KHH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.