Cheapest return flights from Basel to Helsinki in May from $247

Best time to book flights for Basel (BSL) to Helsinki (HEL) flights at AirHint

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

Return flights

21 May - 23 May British Airways
20 May - 23 May easyJet
20 May - 25 May Air France
21 May - 25 May KLM
30 May - 04 Jun KLM
23 May - 25 May Norwegian Air Sweden AOC
31 May - 03 Jun KLM
18 May - 18 May easyJet
28 May - 01 Jun British Airways

Also check the deals for one-way flights from Basel to Helsinki 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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