Cheapest return flights from Santa Ana to London in September from $522

AirHint found the following cheapest return flights from Santa Ana (SNA) to London (LHR) in September 2025 (see full year).

Return flights

03 Sep - 16 Sep Delta
13 Sep - 20 Sep Delta
19 Sep - 22 Sep British Airways
16 Sep - 21 Sep British Airways
10 Sep - 26 Sep Scandinavian Airlines
28 Sep - 08 Oct Scandinavian Airlines
24 Sep - 08 Oct Scandinavian Airlines
21 Sep - 27 Sep Scandinavian Airlines
05 Sep - 12 Sep Scandinavian Airlines
06 Sep - 13 Sep Scandinavian Airlines
14 Sep - 25 Sep Scandinavian Airlines
01 Sep - 05 Sep Scandinavian Airlines
21 Sep - 01 Oct Scandinavian Airlines
26 Sep - 01 Oct Scandinavian Airlines

Also check the deals for one-way flights from Santa Ana to London in September.

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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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