September can be a great time to fly to Grand Forks from Des Moines with a flight ticket averaging about $459. Cheapflights users have found deals in the month of September for as cheap as $129. The most expensive prices can be found in the month of June.
One of the essential ways to save on airfare from Des Moines to Grand Forks is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.