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

Return flights

24 Mar - 31 Mar	Air Canada
03 Mar - 10 Mar	Air Canada
10 Mar - 17 Mar	Air Canada
04 Mar - 11 Mar	Air Canada
08 Mar - 15 Mar	Scandinavian Airlines
11 Mar - 18 Mar	Air Canada
01 Mar - 08 Mar	Scandinavian Airlines
09 Mar - 16 Mar	Air Canada
17 Mar - 24 Mar	Air France
23 Mar - 30 Mar	Air France
25 Mar - 01 Apr	KLM
31 Mar - 07 Apr	Air Canada
30 Mar - 06 Apr	Air France
31 Mar - 09 Apr	United
31 Mar - 06 Apr	Air France
26 Mar - 02 Apr	Air Canada
29 Mar - 05 Apr	Scandinavian Airlines
30 Mar - 11 Apr	Delta
27 Mar - 03 Apr	British Airways
28 Mar - 04 Apr	Delta

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

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 March from 390€

Return flights