From the Airport to Weizmann
Taxi: Order a taxi via Gett, the official operator of authorized taxis from the airport. The authorized taxi line in Terminal 3 is on the ground floor, exit 03 and in Terminal 1 at the main entrance. Make sure the driver turns on the meter as required by law. A taxi from the airport to Rehovot costs 150-200 NIS (approximately 40-55$), depending on the number of passengers and luggage items and day/night rates. Estimated travel time: 40-50 minutes
Public Transportation
The Moovit is a payment app/website and can help you plan your trip for all public transportation in Israel, showing maps, fares, schedules, and arrival times.
Train: The train station is situated at Terminal 3, ground floor. There is no direct train from the airport to Rehovot; You will need to switch trains at the Tel Aviv Hagana station. The train station in Rehovot is a 10-minute walk from the Weizmann Institute main gate. Estimated travel time: 45-55 minutes.
For schedules and fares: https://www.rail.co.il/
Bus: There are no direct buses from the airport to Rehovot; You will need to switch buses at least once. Estimated travel time: 90 minutes.
For schedules and fares: https://www.egged.co.il/HomePage.aspx
Driving directions from the airport (by Google Maps).