$979+ Cheap flights from Washington to Daegu (TAE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TAE
Jan 11 — Jan 181
1 adult, Economy
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1. Tell us where you want to go
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Best flights from Washington to DaeguDiscover carefully curated flight deals from Washington to Daegu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from Washington to Daegu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This Korean Air deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:45 pmSEA - TAE
1 stop15h 50mKorean Air
Wed 4/227:35 amTAE - SEA
1 stop22h 25mKorean Air
Deal found 12/9![Korean Air logo]()
$979
Find flight deals from Washington to Daegu
Keep the following information in mind while searching for Washington to Daegu flight deals. Data was last updated December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $979 (Korean Air) |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Daegu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Washington to Daegu that are best for you.
Fly from
Washington
Fly to
Daegu
Route
Depart
Return
Price
SeattleDaegu
SEA - TAE
SEATAE
Seattle/Tacoma Intl
Sat 4/18
12:45 pm-8:35 pm
1 stop15h 50m
Daegu
Wed 4/22
7:35 am-2:00 pm
1 stop22h 25m
$979
Best time to book a flight from Washington to Daegu
Have a flexible travel schedule? Discover the best time to fly to Daegu from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington to Daegu
What is the cheapest month to book a flight from State of Washington to Daegu?
Currently, August is the cheapest month in which you can book a flight from State of Washington to Daegu (average of $840). Flying from State of Washington to Daegu in December is currently the most expensive (average of $1,994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.