Departing on a Monday is a good option for securing a great price. You can expect to save up to 36% when planning your travel around this day of the week.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to Grand Forks. Flights to Grand Forks from Philadelphia in September are about $459 on average during September, but can be found for as low as $129.
A simple way to save on the total cost of your ticket is to fly from Philadelphia to Grand Forks in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.