Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to Wausau. Flights to Wausau from New Windsor in July are about $283 on average during July, but can be found for as low as $83.
To save up to 73% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from New Windsor to Wausau from $346 1-2 weeks out and tickets from $533 for flights departing within the next 72 hours.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Windsor to Wausau as you normally would.