Cheapest return flights from San Diego to London in September from $612

AirHint found the following cheapest return flights from San Diego (SAN) to London (LHR) in September 2026 (see full year).

Return flights

22 Sep - 29 Sep Scandinavian Airlines
08 Sep - 15 Sep Air Canada
08 Sep - 15 Sep American Airlines direct
22 Sep - 29 Sep American Airlines direct
16 Sep - 02 Oct Air Canada
04 Sep - 26 Sep British Airways direct
16 Sep - 02 Oct British Airways direct

Also check the deals for one-way flights from San Diego 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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