Cheap Flights to Sunnyvale from HK$390

View HK$390 flight on Tue, 14 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
Sat, 16 Aug - Mon, 18 Aug
LAX
Los Angeles
SJC
San Jose
HK$844 Return, found 5 days ago
HK$844
Return
found 5 days ago
Select Delta flight, departing Sat, 16 Aug from Los Angeles to San Jose, returning Mon, 18 Aug, priced at HK$844 found 5 days ago
American Airlines
Thu, 2 Oct - Wed, 8 Oct
LAX
Los Angeles
SFO
San Francisco
HK$1,317 Return, found 3 hours ago
HK$1,317
Return
found 3 hours ago
Select American Airlines flight, departing Thu, 2 Oct from Los Angeles to San Francisco, returning Wed, 8 Oct, priced at HK$1,317 found 3 hours ago
United
Thu, 2 Oct - Wed, 8 Oct
LAX
Los Angeles
SFO
San Francisco
HK$1,317 Return, found 3 hours ago
HK$1,317
Return
found 3 hours ago
Select United flight, departing Thu, 2 Oct from Los Angeles to San Francisco, returning Wed, 8 Oct, priced at HK$1,317 found 3 hours ago
Hawaiian Airlines
Wed, 13 Aug - Mon, 18 Aug
LAX
Los Angeles
SFO
San Francisco
HK$1,823 Return, found 2 days ago
HK$1,823
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, 13 Aug from Los Angeles to San Francisco, returning Mon, 18 Aug, priced at HK$1,823 found 2 days ago
Alaska Airlines
Thu, 18 Sep - Mon, 22 Sep
PAE
Seattle
SJC
San Jose
HK$4,804 Return, found 4 days ago
HK$4,804
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 18 Sep from Seattle to San Jose, returning Mon, 22 Sep, priced at HK$4,804 found 4 days ago

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

February is typically the cheapest month to fly

From HK$1,243 - HK$3,432 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$800

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, 13 Nov - Fri, 28 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,925 Return, found 10 hours ago
HK$4,925
Return
found 10 hours ago
Select Korean Air flight, departing Thu, 13 Nov from Hong Kong SAR to San Francisco, returning Fri, 28 Nov, priced at HK$4,925 found 10 hours ago
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