AirHint found the following cheapest return flights from London (STN) to Basel (BSL) in April 2026 (see full year).

Return flights

28 Apr - 06 May	Ryanair
09 Apr - 13 Apr	Ryanair
25 Apr - 28 Apr	Ryanair
21 Apr - 24 Apr	Ryanair
28 Apr - 01 May	Ryanair
20 Apr - 23 Apr	Ryanair
29 Apr - 02 May	Ryanair
04 Apr - 16 Apr	Ryanair
30 Apr - 03 May	Ryanair
27 Apr - 30 Apr	Ryanair
23 Apr - 26 Apr	Ryanair
01 Apr - 05 Apr	Ryanair
13 Apr - 17 Apr	Ryanair
11 Apr - 14 Apr	Ryanair

Also check the deals for one-way flights from London to Basel in April.

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 return flights from London to Basel in April from 207€

Return flights