AirHint found the following cheapest one-way flights from San Francisco (SFO) to Lisbon (LIS) in March 2026 (see full year).
One-Way flights
| 23 Mar | British Airways | ||
| 22 Mar | British Airways | ||
| 17 Mar | British Airways | ||
| 07 Mar | British Airways | ||
| 29 Mar | Aer Lingus | ||
| 27 Mar | Aer Lingus | ||
| 23 Mar | TAP | direct | |
| 07 Mar | TAP | direct | |
| 27 Mar | TAP | direct |
Also check the deals for return flights from San Francisco to Lisbon in March.
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