Cheapest return flights from San Diego to London in September from 444€

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

Return flights

24 Sep - 29 Sep Virgin Atlantic
23 Sep - 30 Sep Lufthansa
24 Sep - 30 Sep Lufthansa
24 Sep - 15 Oct Virgin Atlantic
21 Sep - 28 Sep Air Canada
24 Sep - 28 Sep Air Canada
22 Sep - 18 Oct Air Canada
25 Sep - 29 Sep British Airways
27 Sep - 07 Oct Frontier Airlines
20 Sep - 03 Oct Frontier Airlines
18 Sep - 21 Sep Iberia
18 Sep - 22 Sep United
15 Sep - 26 Sep Frontier Airlines
27 Sep - 29 Sep Hawaiian Airlines
16 Sep - 11 Oct British Airways
16 Sep - 11 Oct 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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