Cheapest return EAS–LCY flights, September

AirHint found the following cheapest return flights from San Sebastian (EAS) to London (LCY) in September 2026 (see full year).

Return flights

09 Sep - 13 Sep Iberia
06 Sep - 14 Sep British Airways direct
25 Sep - 04 Oct Iberia direct
25 Sep - 28 Sep Iberia direct
01 Sep - 04 Sep Iberia
21 Sep - 28 Sep Iberia direct
21 Sep - 27 Sep Iberia direct
18 Sep - 21 Sep Iberia direct
20 Sep - 27 Sep Iberia direct
14 Sep - 27 Sep Iberia direct
07 Sep - 13 Sep Iberia direct
28 Sep - 02 Oct Iberia direct
27 Sep - 02 Oct Iberia 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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