Cheap Flights to Oak Hills from HK$626

View HK$626 flight on Wed, 21 Jan 2026Opens in a new window

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Cheap round-trip flights to Oak Hills

Prices were available within the past 7 days and start at HK$626 for one-way flights and HK$928 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 21 Jan - Wed, 4 Feb
SEA
Seattle
ONT
Ontario
HK$928 Return, found 5 days ago
HK$928
Return
found 5 days ago
Select Delta flight, departing Wed, 21 Jan from Seattle to Ontario, returning Wed, 4 Feb, priced at HK$928 found 5 days ago
United
Wed, 21 Jan - Wed, 4 Feb
SEA
Seattle
ONT
Ontario
HK$1,930 Return, found 5 days ago
HK$1,930
Return
found 5 days ago
Select United flight, departing Wed, 21 Jan from Seattle to Ontario, returning Wed, 4 Feb, priced at HK$1,930 found 5 days ago
Alaska Airlines
Mon, 5 Jan - Fri, 16 Jan
SEA
Seattle
ONT
Ontario
HK$2,241 Return, found 4 days ago
HK$2,241
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 5 Jan from Seattle to Ontario, returning Fri, 16 Jan, priced at HK$2,241 found 4 days ago
American Airlines
Wed, 21 Jan - Wed, 4 Feb
SEA
Seattle
ONT
Ontario
HK$2,360 Return, found 5 days ago
HK$2,360
Return
found 5 days ago
Select American Airlines flight, departing Wed, 21 Jan from Seattle to Ontario, returning Wed, 4 Feb, priced at HK$2,360 found 5 days ago
Air Canada
Mon, 2 Feb - Tue, 10 Feb
YYZ
Toronto
ONT
Ontario
HK$4,034 Return, found 1 day ago
HK$4,034
Return
found 1 day ago
Select Air Canada flight, departing Mon, 2 Feb from Toronto to Ontario, returning Tue, 10 Feb, priced at HK$4,034 found 1 day ago

Find the cheapest month to fly from Columbus (CMH) to Ontario (ONT)

August is typically the cheapest month to fly

From HK$1,543 - HK$5,615 per traveller.
Flights to Oak Hills information
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Destination city name
Ontario
Return price
HK$928

Trending flights to Oak Hills

Prices were available within the past 7 days and start at HK$626 for one-way flights and HK$928 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 18 Mar - Sat, 11 Apr
HKG
Hong Kong SAR
ONT
Ontario
HK$4,845 Return, found 1 day ago
HK$4,845
Return
found 1 day ago
Select United flight, departing Wed, 18 Mar from Hong Kong SAR to Ontario, returning Sat, 11 Apr, priced at HK$4,845 found 1 day ago
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