$922 Cheap Flights from Daegu (TAE) to Washington (IAD)

View $922 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Daegu (TAE-Daegu Intl.) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Daegu to Washington (TAE-IAD)

Prices were available within the past 7 days and start at $922 for one-way flights and $1,254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Nov 27 - Wed, Dec 10
TAE
Daegu
IAD
Washington
$1,254 Roundtrip, found 5 days ago
$1,254
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Wed, Dec 10, priced at $1,254 found 5 days ago
Korean Air
Thu, Nov 27 - Wed, Dec 10
TAE
Daegu
IAD
Washington
$1,261 Roundtrip, found 5 days ago
$1,261
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Wed, Dec 10, priced at $1,261 found 5 days ago
Korean Air
Thu, Nov 27 - Wed, Dec 10
TAE
Daegu
IAD
Washington
$1,269 Roundtrip, found 5 days ago
$1,269
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Wed, Dec 10, priced at $1,269 found 5 days ago
Korean Air
Thu, Nov 27 - Wed, Dec 10
TAE
Daegu
IAD
Washington
$1,286 Roundtrip, found 5 days ago
$1,286
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Wed, Dec 10, priced at $1,286 found 5 days ago
Korean Air
Thu, Nov 27 - Wed, Dec 10
TAE
Daegu
IAD
Washington
$1,299 Roundtrip, found 5 days ago
$1,299
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Wed, Dec 10, priced at $1,299 found 5 days ago
Korean Air
Thu, Nov 27 - Wed, Dec 10
TAE
Daegu
IAD
Washington
$1,308 Roundtrip, found 5 days ago
$1,308
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Wed, Dec 10, priced at $1,308 found 5 days ago
Korean Air
Thu, Nov 27 - Thu, Dec 11
TAE
Daegu
IAD
Washington
$1,316 Roundtrip, found 5 days ago
$1,316
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Thu, Dec 11, priced at $1,316 found 5 days ago
Korean Air
Thu, Nov 27 - Thu, Dec 11
TAE
Daegu
IAD
Washington
$1,317 Roundtrip, found 5 days ago
$1,317
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Thu, Dec 11, priced at $1,317 found 5 days ago
Korean Air
Thu, Nov 27 - Thu, Dec 11
TAE
Daegu
IAD
Washington
$1,325 Roundtrip, found 5 days ago
$1,325
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Nov 27 from Daegu to Washington, returning Thu, Dec 11, priced at $1,325 found 5 days ago
Delta
Sat, Aug 9 - Sat, Aug 16
TAE
Daegu
IAD
Washington
$1,840 Roundtrip, found 6 days ago
$1,840
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 9 from Daegu to Washington, returning Sat, Aug 16, priced at $1,840 found 6 days ago
Flights from Daegu (TAE) to Washington (IAD)
Origin airport
Daegu Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
$1,253
Distance
7003 mi

Daegu to Washington Flights

The cheapest times to fly from Daegu 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 Daegu to Washington are during the month of November. You can find some of the cheapest flights from Daegu to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Daegu to Washington

Sunday is one of the best days to book for cheap flights from Daegu 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 Daegu 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 Daegu to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $922 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 Daegu 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 Daegu 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.

 

Frequently asked questions

How much does a flight from Daegu Intl. Airport (TAE) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from TAE to IAD 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 TAE to IAD?
The cheapest flights from TAE to IAD 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 TAE to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TAE to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Daegu Intl. Airport (TAE) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily direct flights departing from Daegu Intl. Airport (TAE) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from TAE to IAD?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Daegu Intl. Airport (TAE) to Washington Dulles Intl. Airport (IAD)?
To land at Washington Dulles Intl. Airport (IAD) on schedule, pick a flight that takes off from Daegu Intl. Airport (TAE) 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 Daegu Intl. Airport (TAE) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from TAE to IAD right before your journey is generally more expensive. But if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a TAE to IAD flight and hotel package?
Securing a TAE to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Daegu Intl. Airport (TAE) to Washington Dulles Intl. Airport (IAD)?
If you booked your TAE to IAD flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.