Cheapest one-way flights from San Diego to London in September from 366€

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

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

One-Way flights

20 Sep jetBlue
28 Sep British Airways direct
11 Sep Alaska Airlines
20 Sep British Airways direct
17 Sep jetBlue
04 Sep Alaska Airlines
07 Sep jetBlue
17 Sep British Airways direct
07 Sep British Airways direct
04 Sep British Airways direct

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.

Book a cheap hotel in London

Cheap car rent in London