Los Angeles
Incheon Intl
1 stop
20h 35mXiamenAir
New York John F Kennedy Intl
Incheon Intl
1 stop
30h 45mUzbekistan Airways
Los Angeles
Incheon Intl
1 stop
24h 45mPhilippine Airlines
Seattle/Tacoma Intl
Incheon Intl
Nonstop
11h 25mAsiana Airlines
Washington, D.C. Dulles Intl
Incheon Intl
1 stop
36h 00mTurkish Airlines
Los Angeles
Seoul Gimpo Intl
1 stop
16h 30mJapan Airlines
Seattle/Tacoma Intl
Incheon Intl
2 stops
37h 53mIncheon Intl
Seattle/Tacoma Intl
1 stop
38h 50mPhilippine Airlines
New York John F Kennedy Intl
Incheon Intl
1 stop
30h 30mIncheon Intl
New York John F Kennedy Intl
1 stop
37h 30mUzbekistan Airways
Chicago O'Hare Intl
Incheon Intl
1 stop
39h 25mIncheon Intl
Chicago O'Hare Intl
1 stop
38h 25mTurkish Airlines
Seattle/Tacoma Intl
Incheon Intl
Nonstop
11h 25mIncheon Intl
Seattle/Tacoma Intl
Nonstop
10h 30mAsiana Airlines
Seattle/Tacoma Intl
Incheon Intl
Nonstop
11h 40mIncheon Intl
Seattle/Tacoma Intl
Nonstop
10h 05mKorean Air
Seattle/Tacoma Intl
Incheon Intl
1 stop
19h 10mIncheon Intl
Seattle/Tacoma Intl
Nonstop
9h 55mMultiple Airlines
January
$3,259
February
$3,333
March
$3,177
April
$760
May
$4,025
June
$1,665
July
$2,877
August
$3,465
September
$2,214
October
$3,886
November
$2,595
December
$2,519
April is currently the cheapest month to fly business class to Seoul. At this moment in time May is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.