Cheapest return BOS–BRU flights, May

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

Return flights

11 May - 27 May Icelandair
10 May - 20 May Air Canada
07 May - 13 May United
07 May - 14 May United
08 May - 10 May United
29 May - 14 Jun KLM
23 May - 01 Jun KLM
21 May - 27 May Aer Lingus
23 May - 04 Jun Aer Lingus
30 May - 14 Jun LEVEL
21 May - 26 May Aer Lingus
21 May - 24 May Aer Lingus
21 May - 04 Jun Aer Lingus
23 May - 10 Jun LEVEL
21 May - 28 May Aer Lingus
18 May - 22 May Air Canada
21 May - 02 Jun Aer Lingus
31 May - 14 Jun Icelandair
21 May - 03 Jun Aer Lingus
21 May - 07 Jun Lufthansa

Also check the deals for one-way flights from Boston to Brussels in May.

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