More than 30 flights to and from Beirut on Tuesday have been canceled, according to the Rafic Hariri International Airport's website.
The site showed that 15 outgoing flights and 29 incoming flights from a variety of airlines, including Qatar Airways, various airlines from the United Arab Emirates and Turkish Airways were cancelled.
On Tuesday, Israel's military said it struck dozens of Hezbollah targets in southern Lebanon overnight, a day after it launched a wave of airstrikes against the Iran-backed group's sites in Lebanon's deadliest day in decades.
Hezbollah on Tuesday morning said it had attacked several Israeli military targets, including an explosives factory 60 km (37 miles) into Israel, with the Fadi series of rockets.
It said it attacked the explosives factory around 4 a.m. (0100 GMT) and the Megiddo airfield three separate times overnight.
After almost a year of war against Hamas in Gaza on its southern border, Israel is shifting its focus to the northern frontier, where Hezbollah has been firing rockets into Israel in support of Hamas, also backed by Iran.
