Google Home can now track flight prices

Some people use the Google Flights Explore Map tool to figure out a vacation destination that works in their budget and schedule. Some people stalk The Flight Deal until something amazing appears that you can’t pass up. (I’m guilty of this. Twice.) For those who already have a destination in mind, today Google Home can now track flight prices and send you periodic updates when significant price changes occur.
You can start with a query like “How much is a roundtrip flight to Sa