Cheapest return flights from London to Basel in May from $122

Best time to book flights for London (LHR) to Basel (BSL) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Basel (BSL) in May 2025 (see full year).

Return flights

11 May - 24 May British Airways direct
17 May - 24 May British Airways direct
18 May - 25 May British Airways direct
30 May - 03 Jun British Airways direct
27 May - 03 Jun British Airways direct
06 May - 11 May British Airways direct
16 May - 26 May British Airways direct
27 May - 04 Jun British Airways direct
30 May - 04 Jun British Airways direct
26 May - 03 Jun British Airways direct
10 May - 11 May British Airways direct
10 May - 17 May British Airways direct
09 May - 11 May British Airways direct
17 May - 21 May British Airways direct
08 May - 11 May British Airways direct
07 May - 05 Jun British Airways direct
14 May - 04 Jun British Airways direct
27 May - 02 Jun British Airways direct
29 May - 02 Jun British Airways direct
28 May - 02 Jun British Airways direct

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

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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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