Cheapest Ryanair flights London to Santander from $21

We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Santander (SDR) by the month of departure.

Cheapest flights for June 2025

Departure date Cheapest price
29 Jun 2025 $ 147 Book Now
28 Jun 2025 $ 162 Book Now

Cheapest flights for July 2025

Departure date Cheapest price
30 Jul 2025 $ 76 Book Now
01 Jul 2025 $ 87 Book Now
02 Jul 2025 $ 87 Book Now
15 Jul 2025 $ 89 Book Now
13 Jul 2025 $ 93 Book Now

Cheapest flights for August 2025

Departure date Cheapest price
31 Aug 2025 $ 21 Book Now
24 Aug 2025 $ 21 Book Now
26 Aug 2025 $ 23 Book Now
19 Aug 2025 $ 25 Book Now
30 Aug 2025 $ 47 Book Now

Cheapest flights for September 2025

Departure date Cheapest price
17 Sep 2025 $ 34 Book Now
02 Sep 2025 $ 34 Book Now
03 Sep 2025 $ 34 Book Now
09 Sep 2025 $ 34 Book Now
16 Sep 2025 $ 34 Book Now

Cheapest flights for October 2025

Departure date Cheapest price
01 Oct 2025 $ 43 Book Now
04 Oct 2025 $ 43 Book Now
07 Oct 2025 $ 43 Book Now
11 Oct 2025 $ 43 Book Now
12 Oct 2025 $ 43 Book Now

Cheapest flights for November 2025

Departure date Cheapest price
06 Nov 2025 $ 49 Book Now
08 Nov 2025 $ 49 Book Now
10 Nov 2025 $ 49 Book Now
15 Nov 2025 $ 49 Book Now
20 Nov 2025 $ 49 Book Now

Cheapest flights for December 2025

Departure date Cheapest price
04 Dec 2025 $ 49 Book Now
06 Dec 2025 $ 49 Book Now
11 Dec 2025 $ 49 Book Now
13 Dec 2025 $ 78 Book Now
01 Dec 2025 $ 103 Book Now

Cheapest flights for January 2026

Departure date Cheapest price
10 Jan 2026 $ 49 Book Now
08 Jan 2026 $ 49 Book Now
06 Jan 2026 $ 49 Book Now
03 Jan 2026 $ 49 Book Now
01 Jan 2026 $ 49 Book Now

Cheapest flights for February 2026

Departure date Cheapest price
09 Feb 2026 $ 49 Book Now
07 Feb 2026 $ 49 Book Now
05 Feb 2026 $ 49 Book Now
03 Feb 2026 $ 49 Book Now
02 Feb 2026 $ 49 Book Now

Cheapest flights for March 2026

Departure date Cheapest price
26 Mar 2026 $ 49 Book Now
21 Mar 2026 $ 49 Book Now
14 Mar 2026 $ 49 Book Now
10 Mar 2026 $ 49 Book Now
05 Mar 2026 $ 49 Book Now

The deals are updated by AirHint regularly. Please keep in mind that the price may go up as tickets are purchased by other travellers. Only the cheapest one-way flights are offered. Book fast to secure these cheap Ryanair prices.

Ryanair deals from London to all destinations

Ryanair deals from Santander to all destinations

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