The cheapest times to fly from SEA to TAE are

  • January 1st to March 18th
  • August 20th to December 9th (except the week of October 8th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to TAE is early October. Prices can be as high as $4876 for Thursday flights during early April, or as low as $1132 for Sunday flights around early October.


When to Fly to Daegu

Flying from Seattle, WA (SEA) to Taegu (TAE) will usually cost between $1146 to $3061 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early October with an average ticket price of $1158. Due to high demand the most expensive time to fly is early April, with an average price of $3070. Planning your trip to low-cost times can easily save you $1913 on economy flights and even more on first-class flights. Generally, any price below $1245 can be considered a good price for a round-trip SEA to TAE flight.

See below for a graph of average weekly prices for the SEA to TAE route. All prices are for round-trip tickets in USD.

SEA to TAE Flight Prices

Compared to other flights, the SEA to TAE flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to TAE, and Tuesday the cheapest day to fly back into SEA. Thursdays are the most expensive days to fly to Daegu, and Saturdays are the most expensive days to return to Seattle. Selecting flights on the least expensive days could save you up to $297 (18%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $1308. Return trip prices are from the TAE to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to TAE can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 21 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to TAE while comparing.

Destination alternative #1: Gimhae International Airport (PUS) in Busan

  • 51 miles (82 km) away from TAE
  • Usually 12.93% less expensive than TAE
  • 1-layover flights available

See SEA to PUS flights


Flight Hacking SEA to TAE

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to TAE — but Champion Traveler does!

Hack #1: Seoul (SEA > GMP > TAE)

  • Price for both tickets: $1070
  • Average savings: $176 (14.1%)

See SEA to GMP flights

Hack #2: Da Nang (SEA > DAD > TAE)

  • Price for both tickets: $1140
  • Average savings: $106 (8.47%)

See SEA to DAD flights

Hack #3: Taipei (SEA > TPE > TAE)

  • Price for both tickets: $1199
  • Average savings: $47 (3.73%)

See SEA to TPE flights


Flight Questions Answered

Still have questions about flying from SEA to TAE? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Asiana, China Eastern, China Southern, Delta, Korean Air, United, and potentially more during busy seasons.

How far away is it from Taegu International Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 5204 miles or 8375 kilometers.

How long does it take to fly from SEA to TAE?

The real-world flight time for a nonstop SEA to TAE flight is about 10 hour 21 minutes.

How many flights go between Seattle, WA and Taegu?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from SEA to TAE.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code TAE
Destination airport name Taegu International Airport
City Taegu
Country South Korea
Latitude 35.9
Longitude 128.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.