For prices as low as 65 C$/pp, you can find flights to Bihar depending on where you are departing from. On average, flights to Bihar cost 647 C$/pp.
Patna is about 58% more popular to visit than any other city in Bihar, according to momondo users. When visiting Patna, it is recommended to fly into Patna Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.
The temperatures in Bihar range from 16 °C to 32 °C depending on the time of year. The warmest month in Bihar is May, and the coldest month in Bihar is January. Those looking for a drier month during their visit should travel during the months of December, November, or April, when rain is least likely compared to the rest of the year.