AirHint found the following cheapest return flights from London (STN) to Santander (SDR)
in September 2025 (see full year ).
Return flights
30 Sep
- 01 Oct
Ryanair
$ 76
direct
21 Sep
- 01 Oct
Ryanair
$ 76
direct
28 Sep
- 01 Oct
Ryanair
$ 76
direct
21 Sep
- 24 Sep
Ryanair
$ 79
direct
14 Sep
- 17 Sep
Ryanair
$ 79
direct
30 Sep
- 14 Oct
Ryanair
$ 79
direct
30 Sep
- 07 Oct
Ryanair
$ 79
direct
30 Sep
- 08 Oct
Ryanair
$ 79
direct
21 Sep
- 07 Oct
Ryanair
$ 79
direct
21 Sep
- 08 Oct
Ryanair
$ 79
direct
14 Sep
- 01 Oct
Ryanair
$ 79
direct
28 Sep
- 14 Oct
Ryanair
$ 79
direct
14 Sep
- 19 Sep
Ryanair
$ 86
direct
14 Sep
- 16 Sep
Ryanair
$ 91
direct
03 Sep
- 17 Sep
Ryanair
$ 95
direct
03 Sep
- 20 Sep
Ryanair
$ 95
direct
03 Sep
- 10 Sep
Ryanair
$ 95
direct
14 Sep
- 28 Sep
Ryanair
$ 95
direct
16 Sep
- 17 Sep
Ryanair
$ 101
direct
19 Sep
- 20 Sep
Ryanair
$ 101
direct
Also check the deals for one-way flights from London to Santander in September .
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.