AirHint found the following cheapest return flights from Boston (BOS) to Budapest (BUD) in May 2026 (see full year).

Return flights

04 May - 11 May	SWISS
13 May - 20 May	SWISS
01 May - 08 May	SWISS
19 May - 26 May	Iberia
07 May - 14 May	SWISS
10 May - 17 May	Iberia
16 May - 23 May	Aer Lingus
22 May - 29 May	Austrian Airlines
21 May - 13 Jun	SWISS

Also check the deals for one-way flights from Boston to Budapest 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 Boston to Budapest in May from 340€

Return flights