AirHint found the following cheapest return flights from San Francisco (SFO) to Bologna (BLQ) in May 2026 (see full year).

Return flights

24 May - 30 May	Scandinavian Airlines
16 May - 07 Jun	TAP
21 May - 10 Jun	TAP
22 May - 07 Jun	Scandinavian Airlines
19 May - 05 Jun	ITA Airways
23 May - 09 Jun	ITA Airways
21 May - 07 Jun	ITA Airways
18 May - 20 Jun	ITA Airways

Also check the deals for one-way flights from San Francisco to Bologna in May.

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 San Francisco to Bologna in May from $619

Return flights