Cheap flights from India to London from ₹ 21,783

The cheapest month to fly to London Heathrow Airport from India is in December. Flight prices, which tend to average around ₹ 67,076, are often lower during this time because this is during the off-season. If you are unable to visit London Heathrow Airport during the month of December, then departing from India during the month November is also very affordable. Most momondo users find prices during this month for around ₹ 68,996.

The cheapest day to depart on your flight to London Heathrow Airport is on a Thursday when prices can be found for as low as ₹ 89,856. This is often the case because there is less demand to fly during this day of the week. Flights from India to London Heathrow Airport on a Sunday will generally be more expensive and average around ₹ 98,822. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from India to London Heathrow Airport when you can find flight prices for as low as ₹ 66,697. Flying to London Heathrow Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the evening when prices are around ₹ 103,134.

Fly from New Delhi Indira Gandhi Intl to London Heathrow for the best India - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from India when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around ₹ 74,913 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from India for as low as ₹ 63,910 on momondo.

There are 4 cabin classes available to choose from on India to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Oman Air, IndiGo, and Air India are the most popular carriers operating from India to London Heathrow

Air India, British Airways and Etihad Airways are the top three most popular airlines that fly to London Heathrow Airport from India according to our data. Air India is the first choice among our users, with 34% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 18 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between India and London have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of October 2026, there are 51 flights per day flying from India to London Heathrow Airport. The most common time of day flights depart is 04:00, with 47% of flights taking off at midday.

The number of flights available between India and London Heathrow Airport is 357 per week as of October 2026. The most frequent departure day is Sat, with 16% of weekly flights leaving on this day.