Flights to Aliados from San Francisco - ￥67,760

View ￥67,760 flight on Wed, Mar 11, 2026Opens in a new window

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Cheap Flights from San Francisco to Aliados (SJC-OPO)

Prices were available within the past 7 days and start at ￥67,760 for one-way flights and ￥87,030 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Mar 11 - Mon, Mar 16
SFO
San Francisco
OPO
Porto
￥87,030 Roundtrip, found 2 days ago
￥87,030
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 11 from San Francisco to Porto, returning Mon, Mar 16, priced at ￥87,030 found 2 days ago
United
Wed, Mar 11 - Mon, Mar 16
SFO
San Francisco
OPO
Porto
￥87,310 Roundtrip, found 2 days ago
￥87,310
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 11 from San Francisco to Porto, returning Mon, Mar 16, priced at ￥87,310 found 2 days ago
American Airlines
Wed, Feb 18 - Mon, Feb 23
SFO
San Francisco
OPO
Porto
￥87,740 Roundtrip, found 2 days ago
￥87,740
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from San Francisco to Porto, returning Mon, Feb 23, priced at ￥87,740 found 2 days ago
Swiss International Air Lines
Wed, Mar 11 - Mon, Mar 16
SFO
San Francisco
OPO
Porto
￥88,220 Roundtrip, found 2 days ago
￥88,220
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Mar 11 from San Francisco to Porto, returning Mon, Mar 16, priced at ￥88,220 found 2 days ago
Lufthansa
Wed, Mar 11 - Mon, Mar 16
SFO
San Francisco
OPO
Porto
￥90,790 Roundtrip, found 2 days ago
￥90,790
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Mar 11 from San Francisco to Porto, returning Mon, Mar 16, priced at ￥90,790 found 2 days ago
British Airways
Wed, Mar 11 - Mon, Mar 16
SFO
San Francisco
OPO
Porto
￥96,930 Roundtrip, found 2 days ago
￥96,930
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar 11 from San Francisco to Porto, returning Mon, Mar 16, priced at ￥96,930 found 2 days ago

Find the cheapest month to fly from San Francisco (SFO) to Porto (OPO)

January is typically the cheapest month to fly

From ￥76,382 - ￥184,851 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.