Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Trondheim. Check prices with Cheapflights to find a great deal for your trip.
A simple way to save on the total cost of your ticket is to fly from San Jose to Trondheim in the morning. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight at noon.