Korean Air Seattle to Seoul Flights

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Page navigation

Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Korean Air flights from Seattle to Seoul. Compare airline ticket prices and book air tickets starting from $629 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Korean Air, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Seoul by Korean Air

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in april: one-way - $629, two-way – $1079.

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

Cheap Flights from Seattle to Seoul by Korean Air

Look at the list of plane tickets for the most popular direct and connecting flights by Korean Air, their prices start from $629. The fastest nonstop flight takes 11h 55m. The fastest connecting flight — 17h 51m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $629 Find flight	11:00 am Seattle Seattle-Tacoma Intl	3:55 pm+1 день Seoul Incheon International	11h 55m	Korean Air	KE42
from $652 Find flight	10:50 am Seattle Seattle-Tacoma Intl	4:15 pm+1 день Seoul Incheon International	12h 25m	Korean Air	KE5020
from $643 Find flight	6:20 am Seattle Seattle-Tacoma Intl	5:40 pm+1 день Seoul Incheon International	18h 20m layover 2h 59m - San Francisco	Korean Air	KE3083 KE24
from $647 Find flight	11:45 am Seattle Seattle-Tacoma Intl	4:50 am+2 дня Seoul Incheon International	24h 5m layover 8h 7m - Los Angeles	Korean Air	KE7255 KE12
from $652 Find flight	4:59 pm Seattle Seattle-Tacoma Intl	4:50 am+2 дня Seoul Incheon International	18h 51m layover 2h 57m - Los Angeles	Korean Air	KE6101 KE12
from $652 Find flight	3:59 pm Seattle Seattle-Tacoma Intl	4:50 am+2 дня Seoul Incheon International	19h 51m layover 3h 57m - Los Angeles	Korean Air	KE6105 KE12
from $654 Find flight	4:59 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	31h 41m layover 15h 7m - Los Angeles	Korean Air	KE6101 KE18
from $654 Find flight	12:00 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	36h 40m layover 19h 59m - Los Angeles	Korean Air	KE7255 KE18
from $654 Find flight	3:59 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	32h 41m layover 16h 7m - Los Angeles	Korean Air	KE6105 KE18
from $684 Find flight	5:59 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	30h 41m layover 14h 7m - Los Angeles	Korean Air	KE6103 KE18
from $701 Find flight	5:59 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	30h 41m layover 14h 5m - Los Angeles	Korean Air	KE7270 KE18
from $701 Find flight	2:00 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	34h 40m layover 18h 4m - Los Angeles	Korean Air	KE3455 KE18
from $701 Find flight	11:59 am Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	36h 41m layover 19h 51m - Los Angeles	Korean Air	KE6107 KE18
from $735 Find flight	5:59 pm Seattle Seattle-Tacoma Intl	4:50 am+2 дня Seoul Incheon International	17h 51m layover 1h 57m - Los Angeles	Korean Air	KE6103 KE12
from $762 Find flight	9:31 pm Seattle Seattle-Tacoma Intl	5:40 pm+2 дня Seoul Incheon International	27h 9m layover 11h 56m - San Francisco	Korean Air	KE6097 KE24
from $1638 Find flight	1:45 pm Seattle Seattle-Tacoma Intl	4:45 am+2 дня Seoul Incheon International	22h 0m layover 9h 17m - Vancouver	Korean Air	KE3128 KE76

Show All Flights

*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 04/11/2025

Korean Air Flight Schedule Seattle to Seoul

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
10:50 am — 4:15 pm +1 day	10:50 am — 4:15 pm KE5020 Korean Air Seattle — Seoul	12h 25m	Find flight from$652
11:00 am — 3:55 pm +1 day	11:00 am — 3:55 pm KE42 Korean Air Seattle — Seoul	11h 55m	Find flight from$629
11:45 am — 4:50 am +2 days	11:50 am — 2:40 pm KE7255 Korean Air Seattle — Los Angeles 8h 7m stop 10:40 pm — 5:10 am KE12 Korean Air Los Angeles — Seoul	24h 5m including layover	Find flight from$647
11:59 am — 5:40 pm +2 days	11:59 am — 2:59 pm KE6107 Korean Air Seattle — Los Angeles 19h 51m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	36h 41m including layover	Find flight from$701
11:59 am — 4:50 am +2 days	11:59 am — 2:59 pm KE6107 Korean Air Seattle — Los Angeles 7h 41m stop 10:40 pm — 4:50 am KE12 Korean Air Los Angeles — Seoul	23h 51m including layover	Find flight from$840
12:00 pm — 5:40 pm +2 days	11:50 am — 2:40 pm KE7255 Korean Air Seattle — Los Angeles 19h 59m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	36h 40m including layover	Find flight from$654
1:34 pm — 5:40 pm +2 days	1:34 pm — 3:43 pm KE6115 Korean Air Seattle — San Francisco 19h 57m stop 11:40 am — 5:40 pm KE24 Korean Air San Francisco — Seoul	35h 6m including layover	Find flight from$836
1:45 pm — 4:45 am +2 days	1:45 pm — 2:53 pm KE3128 Korean Air Seattle — Vancouver 9h 17m stop 0:10 am — 4:45 am KE76 Korean Air Vancouver — Seoul	22h including layover	Find flight from$1638
2:00 pm — 5:40 pm +2 days	2:00 pm — 4:46 pm KE3455 Korean Air Seattle — Los Angeles 18h 4m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	34h 40m including layover	Find flight from$701
2:00 pm — 4:50 am +2 days	2:00 pm — 4:46 pm KE3455 Korean Air Seattle — Los Angeles 5h 54m stop 10:40 pm — 4:50 am KE12 Korean Air Los Angeles — Seoul	21h 50m including layover	Find flight from$840
3:59 pm — 4:50 am +2 days	3:58 pm — 6:40 pm KE6105 Korean Air Seattle — Los Angeles 3h 57m stop 10:40 pm — 5:10 am KE12 Korean Air Los Angeles — Seoul	19h 51m including layover	Find flight from$652
3:59 pm — 5:40 pm +2 days	3:58 pm — 6:40 pm KE6105 Korean Air Seattle — Los Angeles 16h 7m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	32h 41m including layover	Find flight from$654
4:59 pm — 4:50 am +2 days	1:44 pm — 4:32 pm KE6101 Korean Air Seattle — Los Angeles 2h 57m stop 10:40 pm — 5:10 am KE12 Korean Air Los Angeles — Seoul	18h 51m including layover	Find flight from$652
4:59 pm — 5:40 pm +2 days	1:44 pm — 4:32 pm KE6101 Korean Air Seattle — Los Angeles 15h 7m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	31h 41m including layover	Find flight from$654
5:30 pm — 4:45 am +2 days	5:30 pm — 6:39 pm KE3120 Korean Air Seattle — Vancouver 5h 31m stop 0:10 am — 4:45 am KE76 Korean Air Vancouver — Seoul	18h 15m including layover	Find flight from$1676
5:59 pm — 5:40 pm +2 days	5:58 pm — 8:48 pm KE6103 Korean Air Seattle — Los Angeles 14h 7m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	30h 41m including layover	Find flight from$684
5:59 pm — 5:40 pm +2 days	5:59 pm — 8:45 pm KE7270 Korean Air Seattle — Los Angeles 14h 5m stop 10:50 am — 5:40 pm KE18 Korean Air Los Angeles — Seoul	30h 41m including layover	Find flight from$701
5:59 pm — 4:50 am +2 days	5:58 pm — 8:40 pm KE6103 Korean Air Seattle — Los Angeles 1h 57m stop 10:40 pm — 5:10 am KE12 Korean Air Los Angeles — Seoul	17h 51m including layover	Find flight from$735
5:59 pm — 4:50 am +2 days	5:59 pm — 8:45 pm KE7270 Korean Air Seattle — Los Angeles 1h 55m stop 10:40 pm — 4:50 am KE12 Korean Air Los Angeles — Seoul	17h 51m including layover	Find flight from$840
6:20 am — 5:40 pm +1 day	6:20 am — 8:45 am KE3083 Korean Air Seattle — San Francisco 2h 59m stop 11:40 am — 5:40 pm KE24 Korean Air San Francisco — Seoul	18h 20m including layover	Find flight from$643
7:00 am — 7:25 pm +1 day	7:00 am — 11:20 am KE7866 Korean Air Seattle — Honolulu 1h 30m stop 12:50 pm — 7:25 pm KE7896 Korean Air Honolulu — Seoul	19h 25m including layover	Find flight from$7803
9:31 pm — 5:40 pm +2 days	3:50 pm — 5:59 pm KE6097 Korean Air Seattle — San Francisco 11h 56m stop 11:40 am — 5:40 pm KE24 Korean Air San Francisco — Seoul	27h 9m including layover	Find flight from$762

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 04/11/2025

Flight Information

There are 2 flights by Korean Air from Seattle to Seoul every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Incheon International, Gimpo International, Seoul AB.

Departures start from 10:50 am to 9:31 pm. Nonstop flight is 11h 55m. The time difference between Seattle and Seoul is 5h.

The fastest flight 11h 55m
Average flight time 12h 10m
The earliest flight 10:50 am
The latest flight 9:31 pm
Distance 5180 ml

The cheapest months for traveling to Seoul are november (from 629 $), january (from 635 $), february (from 698 $).

The most expensive and popular months are december (from 1 204 $), february (from 698 $), january (from 635 $).

The cheapest flight by Korean Air that our users were able to find is $629. This airfare is economy class on one-way KE42 flight for January 11, 2025 leaving Seattle-Tacoma Intl in Seattle at 11:00 am, it includes all taxes and additional fees.

Find same flight?

Korean Air Airplanes on the Route

List of the most popular Korean Air airplanes flying from Seattle to Seoul:

Boeing 737 MAX 8

from $652

Find
Boeing 737 MAX 9

from $652

Find
Boeing 737-800

from $735

Find

Other Popular Airlines on the Route

Besides Korean Air there are other 26 airline carriers between Seattle and Seoul. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Seoul.

Nonstop flights

There are 6 direct flights every day from Seattle. Airlines and fares are below:

DL - Delta Air Lines Inc.

from $648

Find
OZ - Asiana Airlines

from $610

Find
UA - United Airlines

from $7189

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

DL - Delta Air Lines Inc.

from $664

Find
OZ - Asiana Airlines

from $976

Find
PR - Philippine Airlines

from $632

Find
JL - Japan Airlines - JAL

from $819

Find
UA - United Airlines

from $750

Find
HU - Hainan Airlines

from $852

Find
JX - Jambojet

from $1087

Find
BR - EVA Airways Corporation

from $758

Find
IB - Iberia

from $2089

Find
WS - WestJet

from $1151

Find
SQ - Singapore Airlines

from $970

Find

See more connecting flights

How to book an air ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.