Cheapest return flights from San Diego to Lisbon in September from 512€

AirHint found the following cheapest return flights from San Diego (SAN) to Lisbon (LIS) in September 2025 (see full year).

Return flights

29 Sep - 06 Oct United
29 Sep - 16 Oct Virgin Atlantic
30 Sep - 15 Oct Delta
28 Sep - 15 Oct Delta
05 Sep - 12 Sep United
18 Sep - 30 Sep United
09 Sep - 23 Sep Virgin Atlantic
16 Sep - 24 Sep Virgin Atlantic
10 Sep - 17 Sep Delta
02 Sep - 09 Sep Delta
03 Sep - 12 Sep Delta
08 Sep - 15 Sep United
17 Sep - 24 Sep United
11 Sep - 18 Sep United

Also check the deals for one-way flights from San Diego to Lisbon in September.

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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