Seoul (ICN) to Ontario (ONT) flight deal from $2394 USD in business class – flightdeals.net

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China Airlines

CIChina Airlines

Round Trip•Business Class

Incheon International Airport

Seoul, South Korea

Ontario International Airport

Ontario, United States

$3,898 USD

-39%$2,394 USD

Verified Nov 28, 2025 at 1:56 AM

January 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 31 1$4,493 2$4,931 3 4 5$4,493 6$3,855 7$3,855 8$3,855 9$3,855 10$3,855 11$3,855 12$3,855 13$3,855 14$3,417 15$3,417 16$3,855 17$3,855 18$3,417 19$3,418 20 21$3,855 22 23$3,418 24 25$3,418 26$3,418 27 28 29 30 31 1

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Friday, January 23rd, 2026

2 round-trip options

Returning

Sat, Jan 31, 2026•8 Day Trip

$3,418 USD

Returning

Wed, Feb 4, 2026•12 Day Trip

$3,418 USD