Seoul (ICN) to Ontario (ONT) flight deal from $3451 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

$4,731 USD

-27%$3,451 USD

Verified Apr 2, 2026 at 10:55 PM

April 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30 31 1 2 3$6,456 4$6,451 5 6 7 8 9$6,451 10$6,093 11 12$6,097 13$6,456 14$6,093 15$6,097 16$3,814 17 18$6,097 19$3,862 20$3,809 21$3,455 22$6,097 23$3,455 24$3,814 25$6,097 26$3,814 27$3,814 28$3,809 29$3,455 30 1 2$6,093 3$6,451

Limited Availability

14% of dates checked are available within 10% of the lowest price

Thursday, April 16th, 2026

3 round-trip options

Returning

Tue, Apr 21, 2026•5 Day Trip

$6,456 USD

Returning

Wed, Apr 22, 2026•6 Day Trip

$3,814 USD

Returning

Thu, Apr 23, 2026•7 Day Trip

$4,172 USD