Cheap Flights to Costa Mesa from HK$378

View HK$378 flight on Fri, 7 Nov 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$378 for one-way flights and HK$918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 31 Oct - Sat, 1 Nov
LAS
Las Vegas
SNA
Orange County
HK$918 Return, found 4 hours ago
HK$918
Return
found 4 hours ago
Select Delta flight, departing Fri, 31 Oct from Las Vegas to Orange County, returning Sat, 1 Nov, priced at HK$918 found 4 hours ago
United
Fri, 31 Oct - Sat, 1 Nov
LAS
Las Vegas
SNA
Orange County
HK$1,467 Return, found 4 hours ago
HK$1,467
Return
found 4 hours ago
Select United flight, departing Fri, 31 Oct from Las Vegas to Orange County, returning Sat, 1 Nov, priced at HK$1,467 found 4 hours ago
American Airlines
Fri, 31 Oct - Sat, 1 Nov
LAS
Las Vegas
SNA
Orange County
HK$1,596 Return, found 4 hours ago
HK$1,596
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Las Vegas to Orange County, returning Sat, 1 Nov, priced at HK$1,596 found 4 hours ago
Air Canada
Sat, 25 Oct - Fri, 31 Oct
YVR
Vancouver
SNA
Orange County
HK$1,985 Return, found 1 day ago
HK$1,985
Return
found 1 day ago
Select Air Canada flight, departing Sat, 25 Oct from Vancouver to Orange County, returning Fri, 31 Oct, priced at HK$1,985 found 1 day ago
WestJet
Sat, 18 Oct - Sat, 25 Oct
YVR
Vancouver
SNA
Orange County
HK$2,185 Return, found 2 days ago
HK$2,185
Return
found 2 days ago
Select WestJet flight, departing Sat, 18 Oct from Vancouver to Orange County, returning Sat, 25 Oct, priced at HK$2,185 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$991 - HK$3,583 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$2,779

Trending flights to Costa Mesa

Prices were available within the past 7 days and start at HK$378 for one-way flights and HK$918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 15 Oct - Sun, 19 Oct
HKG
Hong Kong SAR
ONT
Ontario
HK$5,135 Return, found 8 hours ago
HK$5,135
Return
found 8 hours ago
Select United flight, departing Wed, 15 Oct from Hong Kong SAR to Ontario, returning Sun, 19 Oct, priced at HK$5,135 found 8 hours ago
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