Users have found that booking a flight from South Dakota to Washington at least 28 days early can save you up to 11% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from South Dakota to Washington for as little as $252 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $276 for flights departing within the next 3 days.
Our data shows that February tends to be the cheapest month to fly to Washington from South Dakota. Users have commonly found prices around $243 for the month, but tickets can be as low as $119. Due to multiple factors, prepare for potentially higher prices in December.