Cheapest return flights from San Francisco to Lisbon in May from 513€

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

Return flights

02 May - 23 May Scandinavian Airlines
01 May - 23 May British Airways
05 May - 08 Jun British Airways
18 May - 13 Jun British Airways
07 May - 14 May TAP direct
02 May - 23 May TAP direct
01 May - 23 May TAP direct
17 May - 24 May TAP

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

Skyscanner

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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