Cheap Flights to Sunnyvale from HK$390

View HK$390 flight on Thu, 16 Oct 2025Opens in a new window

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Cheap round-trip flights to Sunnyvale

Prices were available within the past 7 days and start at HK$390 for one-way flights and HK$844 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 30 Oct - Wed, 5 Nov
LAX
Los Angeles
SFO
San Francisco
HK$844 Return, found 4 hours ago
HK$844
Return
found 4 hours ago
Select Delta flight, departing Thu, 30 Oct from Los Angeles to San Francisco, returning Wed, 5 Nov, priced at HK$844 found 4 hours ago
Hawaiian Airlines
Fri, 12 Dec - Tue, 16 Dec
LAS
Las Vegas
SFO
San Francisco
HK$1,081 Return, found 4 days ago
HK$1,081
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, 12 Dec from Las Vegas to San Francisco, returning Tue, 16 Dec, priced at HK$1,081 found 4 days ago
United
Thu, 18 Sep - Mon, 22 Sep
LAS
Las Vegas
SFO
San Francisco
HK$1,231 Return, found 5 hours ago
HK$1,231
Return
found 5 hours ago
Select United flight, departing Thu, 18 Sep from Las Vegas to San Francisco, returning Mon, 22 Sep, priced at HK$1,231 found 5 hours ago
American Airlines
Thu, 30 Oct - Wed, 5 Nov
LAX
Los Angeles
SFO
San Francisco
HK$1,307 Return, found 4 hours ago
HK$1,307
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 30 Oct from Los Angeles to San Francisco, returning Wed, 5 Nov, priced at HK$1,307 found 4 hours ago
Korean Air
Thu, 18 Sep - Fri, 26 Sep
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,920 Return, found 8 hours ago
HK$4,920
Return
found 8 hours ago
Select Korean Air flight, departing Thu, 18 Sep from Hong Kong SAR to San Francisco, returning Fri, 26 Sep, priced at HK$4,920 found 8 hours ago

Find the cheapest month to fly from Columbus (CMH) to San Francisco (SFO)

February is typically the cheapest month to fly

From HK$1,234 - HK$3,414 per traveller.

Graph displaying average flight prices per month

Flights to Sunnyvale information
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
HK$3,218

Trending flights to Sunnyvale

Prices were available within the past 7 days and start at HK$390 for one-way flights and HK$844 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, 18 Sep - Fri, 26 Sep
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,920 Return, found 8 hours ago
HK$4,920
Return
found 8 hours ago
Select Korean Air flight, departing Thu, 18 Sep from Hong Kong SAR to San Francisco, returning Fri, 26 Sep, priced at HK$4,920 found 8 hours ago
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