Travelers need to check ahead

Ticket prices for several departing LaGuardia flights were listed as high on Monday morning, according to Google Flights.

Several flights to Chicago, Montreal and Orlando, as examples, were listed from several hundred dollars to more than $1,000, with significant layovers and one or two stops.

Officials have said LaGuardia would be closed at least until 2 p.m. Airlines including Southwest posted cancellations of several flights that had been scheduled to depart in the late afternoon, according to Google Flights.