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Daegu

$979+ Cheap flights from Seattle (SEA) 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 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from Seattle to Daegu

Best flights from Seattle to Daegu
Discover carefully curated flight deals from Seattle to Daegu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

This Korean Air deal was found by Cheapflights users on 12/11. 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 4/1812:50 pmSEA - TAE
1 stop15h 45mKorean Air
Wed 4/227:35 amTAE - SEA
1 stop22h 25mKorean Air
Deal found 12/11$979

Find flight deals from Seattle to Daegu

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Daegu (TAE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$979
(Korean Air)
Provider with most accurate pricing for Seattle/Tacoma Intl-Daegu flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Daegu flights.
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From Seattle/Tacoma Intl to Daegu
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 14, 2025.
Use the filters below to find and compare flights from Seattle to Daegu that are best for you.

Fly from

Seattle

Fly to

Daegu

Route

Depart

Return

Price

SeattleDaegu

SEA - TAE

SEATAE

Seattle/Tacoma Intl

Sat 4/18

12:50 pm-8:35 pm

1 stop15h 45m

Daegu

Wed 4/22

7:35 am-2:00 pm

1 stop22h 25m

$979

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Seattle to Daegu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Daegu in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Daegu flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Daegu flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Daegu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Daegu flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Daegu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Daegu

Have a flexible travel schedule? Discover the best time to fly to Daegu from Seattle 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 Seattle to Daegu

What is the cheapest month to book a flight from Seattle to Daegu?

Currently, August is the cheapest month in which you can book a flight from Seattle to Daegu (average of $840). Flying from Seattle 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.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Daegu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Daegu?

    For as low as $979, Korean Air can have you in Daegu from Seattle in 15h 45m. The distance between Seattle and Daegu is about 5201 mi.

  • Can I find deals for flights from Seattle to Daegu that include hotel bookings?

    Yes. In addition to deals on Seattle to Daegu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Daegu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Daegu.

  • Can I find deals for business class flights from Seattle to Daegu?

    Yes. Cheapflights offers flight deals from Seattle to Daegu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Daegu?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Daegu (average of $840). Flying from Seattle 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.

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