AirHint found the following cheapest one-way flights from London (LON) to Santander (SDR) in July 2025 (see full year).

One-Way flights

30 Jul	Jet2
09 Jul	Jet2
16 Jul	Ryanair
30 Jul	Ryanair	direct
23 Jul	Ryanair	direct
22 Jul	Ryanair	direct
29 Jul	Ryanair	direct
31 Jul	easyJet
26 Jul	easyJet
27 Jul	Ryanair	direct

Also check the deals for return flights from London to Santander in July.

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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Cheapest one-way flights from London to Santander in July from $65

One-Way flights