Garry Monk’s side head to League Two side Mansfield (7.30pm) on Wednesday July 19 before a trip to League One outfit Rochdale on Saturday July 22 (3pm).
Pre-purchased tickets for the Mansfield game will be £10 adults and £5 (17 and under and seniors) with matchday prices increasing by £2 for both price bands.
Prices for Rochdale will be £10 adults and £5 juniors (16 and under) and away fans will be housed in the Willbutts Lane Stand.
The pair of domestic fixtures will be followed by a further friendly at the Riverside, likely to take place on the weekend of Saturday July 29.
The two away games will be preceded by a warm-weather training camp. Full details will be confirmed shortly.