Cheapest return flights from Boston to Thessaloniki in May from $478

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

Return flights

04 May - 11 May SWISS
06 May - 13 May SWISS
07 May - 14 May Austrian Airlines
12 May - 19 May Lufthansa
05 May - 12 May SWISS
11 May - 21 May Turkish Airlines
11 May - 18 May SWISS
19 May - 26 May Air Canada
21 May - 28 May Austrian Airlines
03 May - 10 May SWISS
25 May - 01 Jun Icelandair
28 May - 02 Jun Air Canada
28 May - 04 Jun Austrian Airlines
30 May - 06 Jun SWISS
31 May - 07 Jun Aer Lingus
29 May - 05 Jun Lufthansa

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

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