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

Return flights

07 Apr - 10 Apr	Ryanair
22 Apr - 26 Apr	easyJet
11 Apr - 15 Apr	Ryanair
19 Apr - 23 Apr	easyJet
23 Apr - 26 Apr	Ryanair
30 Apr - 03 May	Ryanair
02 Apr - 13 Apr	Ryanair
01 Apr - 06 Apr	easyJet
20 Apr - 24 Apr	Ryanair
20 Apr - 22 Apr	Ryanair
02 Apr - 05 Apr	easyJet
19 Apr - 04 May	easyJet
18 Apr - 03 May	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 $225

Return flights