AirHint found the following cheapest return flights from San Diego (SAN) to Lisbon (LIS) in August 2026 (see full year).
Return flights
| 10 Aug - 26 Aug | British Airways | ||
| 18 Aug - 22 Aug | British Airways | ||
| 04 Aug - 11 Aug | Delta | ||
| 30 Aug - 13 Sep | Air France | ||
| 29 Aug - 12 Sep | Lufthansa | ||
| 29 Aug - 13 Sep | Delta |
Also check the deals for one-way flights from San Diego to Lisbon in August.
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