At least 10 militants were killed and their three hideouts were destroyed in Khyber tribal region, the army said in a statement.
In another attack, jets targeted two militant hideouts and killed 11 militants in the remote Datta Khel village of restive North Waziristan tribal district, the statement said.
Pakistan launched Zarb-e-Azb military operation in North Waziristan in mid-June, killing around 1,100 rebels so far.
Nearly a million people have fled the offensive in North Waziristan and now are living in makeshift camps.