It’s typically best to fly out from Billings to Duluth at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.
Sunday flights are found to be more expensive to fly from Billings to Duluth. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Duluth.