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Find cheap flights from San Francisco to Porto from One-way as low as HKD4,168

One-way
Return
TS
SFO
13:55
11h45min
transit
OPO
11:30
TS
San Francisco - Porto Aug 21 Air Transat
HKD4,168
UA
SFO
13:55
11h45min
transit
OPO
11:30
UA
San Francisco - Porto Aug 21
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When is the cheapest time to book a flight?

Cheapest fligths are between Sep 15-Sep 22
From HKD4,168
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Wingon Travel.

Search for cheap flights from San Francisco to Porto different airports

SFO
OPO
Aug 21 Wed
One-way | transit
From HKD4,168
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