To save up to 18% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Knoxville to Russia from $898 1-2 weeks out and tickets from $1,107 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Russia. Flights to Russia from Knoxville in October are about $925 on average during October, but can be found for as low as $680.