Cheap Flights to Costa Mesa from HK$540

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

Popular airlines to Costa Mesa

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Cheap round-trip flights to Costa Mesa

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 18 hours ago
HK$1,068
Return
found 18 hours ago
Select United flight, departing Mon, 15 Dec from San Francisco to Ontario, returning Tue, 16 Dec, priced at HK$1,068 found 18 hours ago
Delta
Fri, 5 Dec - Tue, 9 Dec
SFO
San Francisco
ONT
Ontario
HK$1,619 Return, found 10 hours ago
HK$1,619
Return
found 10 hours ago
Select Delta flight, departing Fri, 5 Dec from San Francisco to Ontario, returning Tue, 9 Dec, priced at HK$1,619 found 10 hours ago
Air Canada
Fri, 5 Dec - Mon, 8 Dec
YVR
Vancouver
SNA
Orange County
HK$1,743 Return, found 21 hours ago
HK$1,743
Return
found 21 hours ago
Select Air Canada flight, departing Fri, 5 Dec from Vancouver to Orange County, returning Mon, 8 Dec, priced at HK$1,743 found 21 hours ago
American Airlines
Thu, 11 Dec - Fri, 12 Dec
SFO
San Francisco
ONT
Ontario
HK$1,962 Return, found 18 hours ago
HK$1,962
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 11 Dec from San Francisco to Ontario, returning Fri, 12 Dec, priced at HK$1,962 found 18 hours ago
WestJet
Tue, 3 Mar - Tue, 10 Mar
YXX
Abbotsford
SNA
Orange County
HK$2,379 Return, found 22 hours ago
HK$2,379
Return
found 22 hours ago
Select WestJet flight, departing Tue, 3 Mar from Abbotsford to Orange County, returning Tue, 10 Mar, priced at HK$2,379 found 22 hours 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.
Flights to Costa Mesa information
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Destination city name
Ontario
Return price
HK$1,068

Trending flights to Costa Mesa

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 2 days ago
HK$4,357
Return
found 2 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 2 days ago
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