Cheap Flights to Union City from HK$378

View HK$378 flight on Wed, 19 Nov 2025Opens in a new window

Popular airlines to Union City

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Cheap round-trip flights to Union City

Prices were available within the past 7 days and start at HK$378 for one-way flights and HK$756 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Dec - Sat, 6 Dec
LAX
Los Angeles
SFO
San Francisco
HK$756 Return, found 11 hours ago
HK$756
Return
found 11 hours ago
Select Delta flight, departing Thu, 4 Dec from Los Angeles to San Francisco, returning Sat, 6 Dec, priced at HK$756 found 11 hours ago
Alaska Airlines
Tue, 11 Nov - Wed, 12 Nov
LAX
Los Angeles
SFO
San Francisco
HK$918 Return, found 3 days ago
HK$918
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 11 Nov from Los Angeles to San Francisco, returning Wed, 12 Nov, priced at HK$918 found 3 days ago
American Airlines
Thu, 4 Dec - Sat, 6 Dec
LAX
Los Angeles
SFO
San Francisco
HK$1,176 Return, found 11 hours ago
HK$1,176
Return
found 11 hours ago
Select American Airlines flight, departing Thu, 4 Dec from Los Angeles to San Francisco, returning Sat, 6 Dec, priced at HK$1,176 found 11 hours ago
United
Thu, 4 Dec - Sat, 6 Dec
LAX
Los Angeles
SFO
San Francisco
HK$1,176 Return, found 11 hours ago
HK$1,176
Return
found 11 hours ago
Select United flight, departing Thu, 4 Dec from Los Angeles to San Francisco, returning Sat, 6 Dec, priced at HK$1,176 found 11 hours ago
ZIPAIR
Fri, 19 Dec - Mon, 12 Jan
NRT
Tokyo
SFO
San Francisco
HK$4,528 Return, found 1 day ago
HK$4,528
Return
found 1 day ago
Select ZIPAIR flight, departing Fri, 19 Dec from Tokyo to San Francisco, returning Mon, 12 Jan, priced at HK$4,528 found 1 day ago

Find the cheapest month to fly from Columbus (CMH) to Oakland (OAK)

February is typically the cheapest month to fly

From HK$941 - HK$4,053 per traveller.
Flights to Union City information
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
HK$756

Trending flights to Union City

Prices were available within the past 7 days and start at HK$378 for one-way flights and HK$756 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 19 Nov - Wed, 26 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,898 Return, found 2 hours ago
HK$4,898
Return
found 2 hours ago
Select Air Canada flight, departing Wed, 19 Nov from Hong Kong SAR to San Francisco, returning Wed, 26 Nov, priced at HK$4,898 found 2 hours ago
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