When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 13 days in advance, which can save you up to 33% on flights from Allentown to South Dakota compared to booking the week you need them. Waiting 13 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $175. For sooner than that we have options available in the next 3 days from $277.
Our data shows that August tends to be the cheapest month to fly to South Dakota from Allentown. Users have commonly found prices around $216 for the month, but tickets can be as low as $106. Due to multiple factors, prepare for potentially higher prices in October.