AirHint found the following cheapest return flights from San Francisco (SFO) to Lisbon (LIS) in July 2026 (see full year).

Return flights

16 Jul - 23 Jul	Air Canada
20 Jul - 15 Aug	Air Canada
19 Jul - 08 Aug	British Airways
20 Jul - 01 Aug	British Airways
02 Jul - 10 Jul	Air Canada
13 Jul - 08 Aug	Finnair
07 Jul - 01 Aug	British Airways
07 Jul - 12 Jul	British Airways
20 Jul - 15 Aug	TAP	direct
20 Jul - 01 Aug	TAP	direct
13 Jul - 08 Aug	TAP	direct
06 Jul - 01 Aug	TAP	direct

Also check the deals for one-way flights from San Francisco to Lisbon in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from San Francisco to Lisbon in July from 644€

Return flights