We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Patna. You can choose from four airlines. At the moment, 05 / Jun / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
The most popular airlines offering flights to Patna are Air India, Qatar Airways & British Airways. Air India is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
Generally speaking, the flight from London Heathrow to Patna takes around 17 hrs 10 mins. The fastest flight takes 12 hrs 55 mins to cover the 7520 km distance. You can view all flight times yourself in the results list.
Searching by month, for instance, will show you the best time of the week to fly.
