$703 Cheap Flights from Washington (IAD) to Daegu (TAE)

View $703 flight on Mon, Nov 17, 2025Opens in a new window

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

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Cheap Flights from Washington to Daegu (IAD-TAE)

Prices were available within the past 7 days and start at $703 for one-way flights and $1,102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Wed, Nov 19 - Mon, Dec 8
IAD
Washington
TAE
Daegu
$1,102 Roundtrip, found 2 days ago
$1,102
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Wed, Nov 19 from Washington to Daegu, returning Mon, Dec 8, priced at $1,102 found 2 days ago
China Eastern Airlines
Mon, Oct 27 - Mon, Nov 10
IAD
Washington
TAE
Daegu
$1,347 Roundtrip, found 2 days ago
$1,347
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Mon, Oct 27 from Washington to Daegu, returning Mon, Nov 10, priced at $1,347 found 2 days ago
Alaska Airlines
Mon, Nov 17 - Mon, Nov 24
IAD
Washington
TAE
Daegu
$1,354 Roundtrip, found 2 days ago
$1,354
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Washington to Daegu, returning Mon, Nov 24, priced at $1,354 found 2 days ago
Alaska Airlines
Mon, Nov 17 - Mon, Nov 24
IAD
Washington
TAE
Daegu
$1,371 Roundtrip, found 2 days ago
$1,371
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Washington to Daegu, returning Mon, Nov 24, priced at $1,371 found 2 days ago
Alaska Airlines
Mon, Nov 17 - Mon, Nov 24
IAD
Washington
TAE
Daegu
$1,482 Roundtrip, found 2 days ago
$1,482
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Washington to Daegu, returning Mon, Nov 24, priced at $1,482 found 2 days ago
Alaska Airlines
Tue, Apr 14 - Fri, May 8
IAD
Washington
TAE
Daegu
$1,489 Roundtrip, found 2 days ago
$1,489
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Apr 14 from Washington to Daegu, returning Fri, May 8, priced at $1,489 found 2 days ago
Alaska Airlines
Mon, Nov 17 - Mon, Nov 24
IAD
Washington
TAE
Daegu
$1,498 Roundtrip, found 2 days ago
$1,498
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Washington to Daegu, returning Mon, Nov 24, priced at $1,498 found 2 days ago
United
Wed, Oct 1 - Mon, Oct 20
IAD
Washington
TAE
Daegu
$1,638 Roundtrip, found 2 days ago
$1,638
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 1 from Washington to Daegu, returning Mon, Oct 20, priced at $1,638 found 2 days ago
Delta
Wed, Nov 19 - Tue, Dec 9
IAD
Washington
TAE
Daegu
$1,774 Roundtrip, found 2 days ago
$1,774
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 19 from Washington to Daegu, returning Tue, Dec 9, priced at $1,774 found 2 days ago
Korean Air
Mon, Nov 17 - Mon, Nov 24
IAD
Washington
TAE
Daegu
$1,778 Roundtrip, found 2 days ago
$1,778
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Washington to Daegu, returning Mon, Nov 24, priced at $1,778 found 2 days ago
Flights from Washington (IAD) to Daegu (TAE)
Origin airport
Washington Dulles Intl.
Destination airport
Daegu Intl.
Airlines serving
China Eastern Airlines, Delta, Korean Air
Roundtrip price
$1,101
Distance
7003 mi

Washington to Daegu Flights

The cheapest times to fly from Washington to Daegu

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

 

The best time to book a flight from Washington to Daegu

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

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 Daegu in 2025. You can also book with separate airlines for your outbound and return journeys, from $703 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 Daegu 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 Daegu 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 Daegu Intl. Airport (TAE) cost?
Lock in a cheap one-way flight from $703 or cheap return flight from $1,102 from Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE)?
November is the least expensive month to fly from IAD to TAE. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from IAD to TAE. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE)?
You'll need to book a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IAD to TAE?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Daegu Intl. Airport (TAE) last-minute?
Holding off until just before your trip to book a flight from IAD to TAE generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book an IAD to TAE flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to TAE flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of travel planning. Just secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Daegu Intl. Airport (TAE)?
Typically, it's possible to reschedule or cancel your IAD to TAE flight. However, if the booking was made more than 24 hours ago, additional fees 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 further details on our Customer Service portal.

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*Available to One Key members.