Cheapest return flights from San Sebastian to London in September from $281

Best time to book flights for San Sebastian (EAS) to London (LCY) flights at AirHint

AirHint found the following cheapest return flights from San Sebastian (EAS) to London (LCY) in September 2025 (see full year).

Return flights

25 Sep - 28 Sep Iberia direct
11 Sep - 14 Sep Iberia direct
18 Sep - 21 Sep British Airways direct
16 Sep - 23 Sep Vueling Airlines
24 Sep - 27 Sep Vueling Airlines
21 Sep - 25 Sep Vueling Airlines
25 Sep - 27 Sep Vueling Airlines
03 Sep - 07 Sep Vueling Airlines
21 Sep - 28 Sep British Airways direct
21 Sep - 25 Sep British Airways direct

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