$867 Cheap Flights from Washington (DCA) to Daegu (TAE)

View $867 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Daegu (TAE-Daegu Intl.)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Daegu (DCA-TAE)

Prices were available within the past 7 days and start at $867 for one-way flights and $1,342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, Sep 1 - Mon, Sep 22
DCA
Washington
TAE
Daegu
$1,342 Roundtrip, found 4 days ago
$1,342
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Sep 1 from Washington to Daegu, returning Mon, Sep 22, priced at $1,342 found 4 days ago
Alaska Airlines
Mon, Sep 1 - Fri, Sep 19
DCA
Washington
TAE
Daegu
$1,650 Roundtrip, found 1 day ago
$1,650
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Washington to Daegu, returning Fri, Sep 19, priced at $1,650 found 1 day ago
Alaska Airlines
Mon, Sep 15 - Sat, Oct 4
DCA
Washington
TAE
Daegu
$1,660 Roundtrip, found 6 days ago
$1,660
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Sep 15 from Washington to Daegu, returning Sat, Oct 4, priced at $1,660 found 6 days ago
Alaska Airlines
Mon, Sep 1 - Fri, Sep 5
DCA
Washington
TAE
Daegu
$1,661 Roundtrip, found 3 days ago
$1,661
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Washington to Daegu, returning Fri, Sep 5, priced at $1,661 found 3 days ago
Alaska Airlines
Mon, Sep 1 - Fri, Sep 19
DCA
Washington
TAE
Daegu
$1,668 Roundtrip, found 1 day ago
$1,668
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Washington to Daegu, returning Fri, Sep 19, priced at $1,668 found 1 day ago
Alaska Airlines
Mon, Sep 1 - Fri, Sep 19
DCA
Washington
TAE
Daegu
$1,671 Roundtrip, found 1 day ago
$1,671
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Washington to Daegu, returning Fri, Sep 19, priced at $1,671 found 1 day ago
Alaska Airlines
Mon, Sep 15 - Sat, Oct 4
DCA
Washington
TAE
Daegu
$1,678 Roundtrip, found 6 days ago
$1,678
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Sep 15 from Washington to Daegu, returning Sat, Oct 4, priced at $1,678 found 6 days ago
Alaska Airlines
Mon, Sep 1 - Fri, Sep 5
DCA
Washington
TAE
Daegu
$1,679 Roundtrip, found 3 days ago
$1,679
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Washington to Daegu, returning Fri, Sep 5, priced at $1,679 found 3 days ago
Delta
Wed, Aug 20 - Sat, Aug 23
DCA
Washington
TAE
Daegu
$2,267 Roundtrip, found 22 hours ago
$2,267
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Aug 20 from Washington to Daegu, returning Sat, Aug 23, priced at $2,267 found 22 hours ago
Korean Air
Sun, Dec 21 - Thu, Jan 1
DCA
Washington
TAE
Daegu
$2,603 Roundtrip, found 4 days ago
$2,603
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sun, Dec 21 from Washington to Daegu, returning Thu, Jan 1, priced at $2,603 found 4 days ago
Flights from Washington (DCA) to Daegu (TAE)
Origin airport
Ronald Reagan Washington National
Destination airport
Daegu Intl.
Airlines serving
China Eastern Airlines, Delta
Roundtrip price
$1,342
Distance
7018 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 September. 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 $867 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 Ronald Reagan Washington National Airport (DCA) to Daegu Intl. Airport (TAE) cost?
Discover the latest flight deals from DCA to TAE 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 TAE?
The cheapest flights from DCA to TAE 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 TAE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DCA to TAE. 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 Daegu Intl. Airport (TAE)?
Nonstop flights from Ronald Reagan Washington National Airport (DCA) to Daegu Intl. Airport (TAE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to TAE?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, including the carrier and season.*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 Daegu Intl. Airport (TAE)?
To reach Daegu Intl. Airport (TAE) on time, book a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Daegu Intl. Airport (TAE) last-minute?
Holding off until right before your break to book a flight from DCA to TAE often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a DCA to TAE flight and hotel package?
You can save money by securing a DCA to TAE 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 place. After choosing your ideal accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Daegu Intl. Airport (TAE)?
If you booked your DCA to TAE flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Explore a world of travel with Expedia

Washington nearby Airports

Washington

Washington Dulles Intl. to Daegu
$1,415.78

Baltimore

Baltimore Washington Intl. Thurgood Marshall to Daegu
$1,454.61
*Available to One Key members.