Los Angeles
Incheon Intl
1 stop
20h 35mXiamenAir
Los Angeles
Incheon Intl
1 stop
38h 50mPhilippine Airlines
Seattle/Tacoma Intl
Incheon Intl
Nonstop
11h 25mAsiana Airlines
Washington, D.C. Dulles Intl
Incheon Intl
1 stop
27h 05mTurkish Airlines
Seattle/Tacoma Intl
Incheon Intl
Nonstop
11h 40mKorean Air
Los Angeles
Seoul Gimpo Intl
1 stop
17h 40mJapan Airlines
Los Angeles
Incheon Intl
1 stop
24h 45mIncheon Intl
Los Angeles
1 stop
28h 30mPhilippine Airlines
San Francisco
Incheon Intl
1 stop
46h 10mIncheon Intl
San Francisco
1 stop
28h 00mTurkish Airlines
Los Angeles
Incheon Intl
1 stop
20h 35mIncheon Intl
Los Angeles
2 stops
22h 18mMultiple 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
1 stop
15h 40mKorean Air
New York John F Kennedy Intl
Incheon Intl
1 stop
30h 45mIncheon Intl
New York John F Kennedy Intl
1 stop
37h 45mUzbekistan Airways
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
$2,503
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.