Cheapest return flights from San Sebastian to London in May from $139

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

Return flights

15 May - 18 May Iberia
13 May - 18 May Iberia
21 May - 25 May Iberia
10 May - 15 May Iberia
22 May - 25 May Iberia
26 May - 26 May Iberia
01 May - 04 May Iberia
24 May - 31 May Iberia
21 May - 24 May Iberia

Also check the deals for one-way flights from San Sebastian to London in May.

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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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