Due to multiple factors, expect to potentially pay more when booking in October. For low rates, May can be a great choice for travel to Kathmandu. Flights to Kathmandu from Louisville in May are about $1,480 on average during May, but can be found for as low as $1,142.
Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Kathmandu. Check prices with Cheapflights to find a great deal for your trip.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Kathmandu as you normally would.