Cheapest one-way flights from San Diego to London in September from 226€

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

One-Way flights

23 Sep Hawaiian Airlines
30 Sep Spirit Airlines
28 Sep Spirit Airlines
13 Sep Spirit Airlines
29 Sep Frontier Airlines
07 Sep Spirit Airlines
15 Sep Frontier Airlines
08 Sep Spirit Airlines
09 Sep Alaska Airlines
05 Sep Spirit Airlines

Also check the deals for return 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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