Seattle/Tacoma Intl
Incheon Intl
2 stops
42h 45mPhilippine Airlines
New York John F Kennedy Intl
Incheon Intl
1 stop
30h 45mUzbekistan Airways
New York John F Kennedy Intl
Incheon Intl
1 stop
36h 20mXiamenAir
New York John F Kennedy Intl
Incheon Intl
1 stop
32h 00mAir India
Seattle/Tacoma Intl
Incheon Intl
1 stop
20h 30mKorean Air
Los Angeles
Seoul Gimpo Intl
2 stops
24h 25mMultiple Airlines
Seattle/Tacoma Intl
Incheon Intl
2 stops
47h 48mIncheon Intl
Seattle/Tacoma Intl
1 stop
27h 05mPhilippine Airlines
San Francisco
Incheon Intl
1 stop
30h 30mIncheon Intl
San Francisco
1 stop
34h 35mTurkish Airlines
New York John F Kennedy Intl
Incheon Intl
1 stop
28h 50mIncheon Intl
New York John F Kennedy Intl
1 stop
37h 45mUzbekistan Airways
Los Angeles
Incheon Intl
1 stop
20h 35mIncheon Intl
Los Angeles
2 stops
23h 10mMultiple Airlines
Los Angeles
Incheon Intl
1 stop
17h 10mIncheon Intl
Los Angeles
1 stop
23h 35mHawaiian Airlines
Seattle/Tacoma Intl
Incheon Intl
Nonstop
11h 40mIncheon Intl
Seattle/Tacoma Intl
Nonstop
10h 45mKorean Air
January
$2,452
February
$1,642
March
$2,635
April
$2,145
May
$2,143
June
$2,736
July
$2,738
August
$4,229
September
$2,596
October
$2,370
November
$3,044
December
$2,638
Currently, the cheapest month for business class flights to South Korea is February. The most expensive month for business class flights is August. The cheapest prices are shown above but prices will vary according to departure times, airlines, and how early you book.