$499 Cheap Flights from Seattle (SEA) to Daegu (TAE)

View $499 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Daegu (TAE-Daegu Intl.)

Cheap Flights from Seattle to Daegu (SEA-TAE)

Prices were available within the past 7 days and start at $499 for one-way flights and $939 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 10 - Mon, Nov 17
SEA
Seattle
TAE
Daegu
$939 Roundtrip, found 3 days ago
$939
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 10 from Seattle to Daegu, returning Mon, Nov 17, priced at $939 found 3 days ago
Delta
Tue, Nov 18 - Tue, Nov 25
SEA
Seattle
TAE
Daegu
$959 Roundtrip, found 6 days ago
$959
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 18 from Seattle to Daegu, returning Tue, Nov 25, priced at $959 found 6 days ago
Delta
Thu, Dec 4 - Thu, Dec 11
SEA
Seattle
TAE
Daegu
$979 Roundtrip, found 4 days ago
$979
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Dec 4 from Seattle to Daegu, returning Thu, Dec 11, priced at $979 found 4 days ago
Delta
Sun, Nov 30 - Mon, Dec 8
SEA
Seattle
TAE
Daegu
$980 Roundtrip, found 1 day ago
$980
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 30 from Seattle to Daegu, returning Mon, Dec 8, priced at $980 found 1 day ago
Korean Air
Sun, Nov 30 - Mon, Dec 8
SEA
Seattle
TAE
Daegu
$982 Roundtrip, found 1 day ago
$982
Roundtrip
found 1 day ago
Select Korean Air flight, departing Sun, Nov 30 from Seattle to Daegu, returning Mon, Dec 8, priced at $982 found 1 day ago
Korean Air
Thu, Dec 4 - Wed, May 20
SEA
Seattle
TAE
Daegu
$988 Roundtrip, found 1 day ago
$988
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Dec 4 from Seattle to Daegu, returning Wed, May 20, priced at $988 found 1 day ago
Delta
Mon, Dec 1 - Sun, Dec 14
SEA
Seattle
TAE
Daegu
$994 Roundtrip, found 1 hour ago
$994
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Dec 1 from Seattle to Daegu, returning Sun, Dec 14, priced at $994 found 1 hour ago
Delta
Tue, Dec 30 - Mon, Jan 12
SEA
Seattle
TAE
Daegu
$995 Roundtrip, found 1 hour ago
$995
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Dec 30 from Seattle to Daegu, returning Mon, Jan 12, priced at $995 found 1 hour ago
Asiana Airlines
Sun, Nov 30 - Mon, Dec 8
SEA
Seattle
TAE
Daegu
$1,067 Roundtrip, found 1 day ago
$1,067
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Sun, Nov 30 from Seattle to Daegu, returning Mon, Dec 8, priced at $1,067 found 1 day ago
Air France
Fri, May 29 - Fri, Jun 19
SEA
Seattle
TAE
Daegu
$2,224 Roundtrip, found 6 hours ago
$2,224
Roundtrip
found 6 hours ago
Select Air France flight, departing Fri, May 29 from Seattle to Daegu, returning Fri, Jun 19, priced at $2,224 found 6 hours ago

Alternative airports near Daegu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Daegu Intl. TAE. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $979
TAE
Daegu Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $979

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE) cost?
Snag a cheap one-way flight from $499 or cheap return flight from $939 from Seattle - Tacoma Intl. Airport (SEA) 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 Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE)?
The cheapest month to fly from SEA to TAE is November, when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE)?
To find the cheapest airline flying from SEA to TAE, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE)?
You'll need to hop on a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SEA to TAE?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE)?
To touch down at Daegu Intl. Airport (TAE) without delays, opt for a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance 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 Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE) last-minute?
Booking your flight from SEA to TAE right before your getaway is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a SEA to TAE flight and hotel package?
Booking a SEA to TAE flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Daegu Intl. Airport (TAE)?
If you booked your SEA to TAE 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, go to our Customer Service portal for further details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Daegu Intl.
Airlines serving
Korean Air
Roundtrip price
$938
Distance
5205 mi

Book with confidence

Seattle to Daegu Flights

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

 

The best time to book a flight from Seattle to Daegu

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Daegu in 2025. You can also book with separate airlines for your outbound and return journeys, from $499 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 Seattle 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 Seattle 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.

 

Seattle to Daegu Flights

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*Available to One Key members.