Cheapest return flights from London to Santander in September from 68€

Best time to book flights for London (STN) to Santander (SDR) flights at AirHint

AirHint found the following cheapest return flights from London (STN) to Santander (SDR) in September 2025 (see full year).

Return flights

14 Sep - 23 Sep Ryanair direct
14 Sep - 20 Sep Ryanair direct
14 Sep - 24 Sep Ryanair direct
14 Sep - 17 Sep Ryanair direct
28 Sep - 07 Oct Ryanair direct
28 Sep - 08 Oct Ryanair direct
28 Sep - 15 Oct Ryanair direct
16 Sep - 23 Sep Ryanair direct
16 Sep - 20 Sep Ryanair direct
16 Sep - 24 Sep Ryanair direct
16 Sep - 17 Sep Ryanair direct
21 Sep - 23 Sep Ryanair direct
21 Sep - 24 Sep Ryanair direct
21 Sep - 07 Oct Ryanair direct
21 Sep - 08 Oct Ryanair direct
28 Sep - 10 Oct Ryanair direct
28 Sep - 11 Oct Ryanair direct
21 Sep - 10 Oct Ryanair direct
27 Sep - 07 Oct Ryanair direct
27 Sep - 08 Oct Ryanair direct

Also check the deals for one-way flights from London to Santander 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 Santander

Cheap car rent in Santander