Iranian Foreign Ministry Spokesman Bahram Qassemi made the remarks early on Monday in response to the final communique of Arab League's 29th summit.
Heads of state and top officials from 21 Arab states will attend the summit excluding Syria that was suspended from the league in 2011 over Syrian regime's crackdown on protesters after peaceful protests in the southern part of the country.
The Saudi monarch renewed accusations for Iran of supporting terrorism and interfering in Arab affairs.
Ahmed Aboul Gheit, secretary-general of the Arab League, said that the serious crises in the region facilitated foreign interference.
Saudi Arabia and Qatar, which both voiced support for the strikes, remain locked in a months-long diplomatic standoff, with Riyadh accusing Doha of supporting extremists and being too close to Iran.
Mr Trump then told reporters that the relationship between the two countries was "probably the strongest it has ever been", adding: "We understand each other".
King Salman on Sunday announced a $150 million donation for the maintenance of Islamic heritage in East Jerusalem.
Turning to the ongoing conflict in neighboring Yemen, the Saudi king reiterated commitment to Yemen's unity and territorial integrity.
Tensions heightened almost a year ago when Saudi Arabia, the United Arab Emirates, Bahrain and Egypt severed ties with Qatar and imposed a de facto blockade on the small Persian Gulf state. Qatar denies the allegations and says the moves attempt to undermine its sovereignty.
Information for this article was contributed by Maggie Hyde of The Associated Press.