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

Return flights

02 Jun - 16 Jun	Air Canada
10 Jun - 25 Jun	Air Canada
02 Jun - 09 Jun	United
03 Jun - 10 Jun	United
09 Jun - 16 Jun	United
10 Jun - 17 Jun	United
01 Jun - 09 Jun	United
02 Jun - 10 Jun	United
03 Jun - 11 Jun	United
01 Jun - 08 Jun	British Airways
25 Jun - 04 Jul	Air Canada
25 Jun - 04 Jul	TAP	direct

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

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 June from $739

Return flights