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

Return flights

21 May - 26 May	Air Serbia
15 May - 18 May	Air Serbia
28 May - 01 Jun	Air Serbia
29 May - 02 Jun	Air Serbia
28 May - 02 Jun	Air Serbia
27 May - 31 May	Air Serbia
23 May - 29 May	Air Serbia
15 May - 17 May	Air Serbia
16 May - 19 May	Air Serbia
16 May - 18 May	Air Serbia
31 May - 04 Jun	Air Serbia
30 May - 04 Jun	Air Serbia
30 May - 01 Jun	Air Serbia
08 May - 12 May	Austrian Airlines
09 May - 12 May	Air Serbia
26 May - 01 Jun	Lufthansa
26 May - 31 May	Aegean Airlines
31 May - 04 Jun	Smart Wings	direct

Also check the deals for one-way flights from Thessaloniki to Prague 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 Thessaloniki to Prague in May from 139€

Return flights