Due to multiple factors, expect to potentially pay more when booking in September. For low rates, October can be a great choice for travel to St. Louis. Flights to St. Louis from Duluth in October are about $252 on average during October, but can be found for as low as $117.
One of the essential ways to save on airfare from Duluth to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 65% on airfare.
Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.
||$117||$188||No cancel fee||69%|
||$157||$252||No cancel fee||71%|
||$214||$288||No cancel fee||N/A|