Cheap Flights to Lake Forest from HK$540

View HK$540 flight on Mon, 15 Dec 2025Opens in a new window

Popular airlines to Lake Forest

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Cheap round-trip flights to Lake Forest

Prices were available within the past 7 days and start at HK$540 for one-way flights and HK$1,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 15 Dec - Tue, 16 Dec
SFO
San Francisco
ONT
Ontario
HK$1,068 Return, found 3 hours ago
HK$1,068
Return
found 3 hours ago
Select United flight, departing Mon, 15 Dec from San Francisco to Ontario, returning Tue, 16 Dec, priced at HK$1,068 found 3 hours ago
Delta
Fri, 27 Feb - Sun, 1 Mar
SFO
San Francisco
SNA
Orange County
HK$1,446 Return, found 10 hours ago
HK$1,446
Return
found 10 hours ago
Select Delta flight, departing Fri, 27 Feb from San Francisco to Orange County, returning Sun, 1 Mar, priced at HK$1,446 found 10 hours ago
American Airlines
Mon, 15 Dec - Tue, 16 Dec
SFO
San Francisco
ONT
Ontario
HK$1,500 Return, found 3 hours ago
HK$1,500
Return
found 3 hours ago
Select American Airlines flight, departing Mon, 15 Dec from San Francisco to Ontario, returning Tue, 16 Dec, priced at HK$1,500 found 3 hours ago
Air Canada
Fri, 5 Dec - Mon, 8 Dec
YVR
Vancouver
SNA
Orange County
HK$1,743 Return, found 4 days ago
HK$1,743
Return
found 4 days ago
Select Air Canada flight, departing Fri, 5 Dec from Vancouver to Orange County, returning Mon, 8 Dec, priced at HK$1,743 found 4 days ago
WestJet
Sat, 13 Dec - Sun, 14 Dec
YVR
Vancouver
SNA
Orange County
HK$2,132 Return, found 2 days ago
HK$2,132
Return
found 2 days ago
Select WestJet flight, departing Sat, 13 Dec from Vancouver to Orange County, returning Sun, 14 Dec, priced at HK$2,132 found 2 days ago

Find the cheapest month to fly from Columbus (CMH) to Santa Ana (SNA)

January is typically the cheapest month to fly

From HK$1,001 - HK$3,393 per traveller.

Travel information

Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Destination city name
Ontario
Return price
HK$1,068

Trending flights to Lake Forest

Prices were available within the past 7 days and start at HK$540 for one-way flights and HK$1,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 22 Nov - Thu, 27 Nov
HKG
Hong Kong SAR
SNA
Orange County
HK$4,357 Return, found 6 days ago
HK$4,357
Return
found 6 days ago
Select Air Canada flight, departing Sat, 22 Nov from Hong Kong SAR to Orange County, returning Thu, 27 Nov, priced at HK$4,357 found 6 days ago

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