Cheapest return flights from San Diego to London in September from 607€

Best time to book flights for San Diego (SAN) to London (LHR) flights at AirHint

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

Return flights

22 Sep - 02 Oct Delta
22 Sep - 07 Oct Delta
21 Sep - 01 Oct Finnair
22 Sep - 02 Oct British Airways direct
22 Sep - 03 Oct British Airways direct
22 Sep - 01 Oct Finnair
22 Sep - 05 Oct Delta
24 Sep - 06 Oct British Airways direct
24 Sep - 06 Oct Air Canada
22 Sep - 04 Oct Air Canada
08 Sep - 23 Sep Delta
17 Sep - 24 Sep United
06 Sep - 13 Sep Air Canada
07 Sep - 14 Sep United
08 Sep - 13 Sep Condor
02 Sep - 05 Sep Delta
08 Sep - 13 Sep British Airways direct
06 Sep - 13 Sep British Airways direct

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