Cheapest return flights from Glasgow to Boston in May from $678

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

Return flights

12 May - 20 May Icelandair
11 May - 18 May Icelandair
13 May - 16 May Icelandair
12 May - 27 May Icelandair
14 May - 21 May Delta
15 May - 21 May Delta
15 May - 22 May Delta
02 May - 09 May Icelandair
16 May - 21 May Delta
20 May - 27 May Icelandair
11 May - 24 Jun Ryanair
12 May - 16 Jun Icelandair

Also check the deals for one-way flights from Glasgow to Boston 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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