The best month to fly between Delhi and Lucknow is March and the most expensive month to fly is July. (Average prices, based on 354 datapoints.)
The best day to arrive at Delhi is Monday and it would be best to avoid Saturday, as prices are on average 100.17% higher than on Monday. (Average prices, based on 474830 datapoints.)
The best time to fly is at around 5. (Average prices, based on 503 datapoints.)