Cheap Flights to Oak Hills

View ₩175,000 flight on Sat, May 30, 2026Opens in a new window

Flight 1

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How much is the cheapest flight to Oak Hills?

Prices were available within the past 7 days and start at ₩175,000 for one-way flights and ₩291,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 23 - Sat, May 30
SEA
Seattle
ONT
Ontario
₩291,400 Roundtrip, found 5 days ago
₩291,400
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, May 23 from Seattle to Ontario, returning Sat, May 30, priced at ₩291,400 found 5 days ago
United
Sat, May 9 - Mon, May 11
SEA
Seattle
ONT
Ontario
₩409,100 Roundtrip, found 15 hours ago
₩409,100
Roundtrip
found 15 hours ago
Select United flight, departing Sat, May 9 from Seattle to Ontario, returning Mon, May 11, priced at ₩409,100 found 15 hours ago
Alaska Airlines
Sat, May 2 - Wed, May 6
BOS
Boston
ONT
Ontario
₩467,500 Roundtrip, found 2 days ago
₩467,500
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, May 2 from Boston to Ontario, returning Wed, May 6, priced at ₩467,500 found 2 days ago
American Airlines
Sat, May 16 - Sat, May 23
ORD
Chicago
ONT
Ontario
₩547,300 Roundtrip, found 2 days ago
₩547,300
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 16 from Chicago to Ontario, returning Sat, May 23, priced at ₩547,300 found 2 days ago
Korean Air
Mon, May 25 - Wed, Nov 25
ICN
Seoul
ONT
Ontario
₩1,345,600 Roundtrip, found 2 hours ago
₩1,345,600
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Mon, May 25 from Seoul to Ontario, returning Wed, Nov 25, priced at ₩1,345,600 found 2 hours ago

Find the cheapest month to fly from Columbus (CMH) to Los Angeles (LAX)

October is typically the cheapest month to fly

From ₩175,732 - ₩448,734 per traveler.

Travel information

Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Destination city name
Ontario
Roundtrip price
₩291,400

Trending flights to Oak Hills

Prices were available within the past 7 days and start at ₩175,000 for one-way flights and ₩291,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Dec 3 - Wed, Feb 24
ICN
Seoul
ONT
Ontario
₩1,150,400 Roundtrip, found 3 days ago
₩1,150,400
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 3 from Seoul to Ontario, returning Wed, Feb 24, priced at ₩1,150,400 found 3 days ago
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