$1,360 Cheap United flights Ontario (ONT) to Seoul (ICN)

View $1,360 flight on Mon, Jun 15, 2026Opens in a new window

$1,360 Cheap United flights Ontario (ONT) to Seoul (ICN)

Prices were available within the past 7 days and start at $1,360 for one-way flights and $2,106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jun 16 - Tue, Jul 14
ONT
Ontario
ICN
Seoul
$2,106 Roundtrip, found 13 hours ago
$2,106
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Jun 16 from Ontario to Seoul, returning Tue, Jul 14, priced at $2,106 found 13 hours ago

Find the cheapest month to fly from Ontario (ONT) to Seoul (ICN)

November is typically the cheapest month to fly

From $922 - $1,298 per traveler.
Flights from Ontario (ONT) to Seoul (ICN)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Incheon Intl.
Airlines serving
Delta, Korean Air, United
Popular airline
Delta
Distance
9614 km