Cheap flights from New Delhi to London from ₹ 25,444

The cheapest month to fly to London Heathrow Airport from New Delhi is in December. Flight prices, which tend to average around ₹ 65,248, 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 New Delhi during the month October is also very affordable. Most momondo users find prices during this month for around ₹ 65,826.

The cheapest day to depart on your flight to London Heathrow Airport is on a Friday when prices can be found for as low as ₹ 90,292. This is often the case because there is less demand to fly during this day of the week. Flights from New Delhi to London Heathrow Airport on a Sunday will generally be more expensive and average around ₹ 96,965. 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 New Delhi to London Heathrow Airport when you can find flight prices for as low as ₹ 66,260. 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 ₹ 100,400.

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

You are more likely to see cheaper flights to London Heathrow Airport from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around ₹ 74,861 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 New Delhi for as low as ₹ 66,019 on momondo.

There are 4 cabin classes available to choose from on New Delhi 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.

No. A direct flight is the cheapest option for a flight between New Delhi to London Heathrow Airport.

As of July 2026, prices for New Delhi to London Heathrow Airport flights are approximately 23% cheaper when compared to flights at the same time last year.

Etihad Airways, Emirates, and British Airways are the most popular carriers operating from New Delhi Indira Gandhi Intl to London Heathrow

Air India, Virgin Atlantic and British Airways are the top three most popular airlines that fly to London Heathrow Airport from New Delhi according to our data. Air India is the first choice among our users, with 43% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 15 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 27% of flights between New Delhi and London have experienced a delay on any given week. The average delay length over the past 12 months has been 148 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

Abu Dhabi (AUH) was the most common stop: 49% of momondo users choosing one-stop flights on this route connected there.

Flights via Muscat (MCT) offer the lowest average return price of ₹ 26,365.

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 13h 15m.

Istanbul (IST) has the shortest average stopover time for this route: 1h 48m.

As of July 2026, 19 flights take off from New Delhi and land in London Heathrow Airport each day. The most common flight departure time for this route is 00:00, with 59% of daily flights taking off in the morning.

As of July 2026, there are 134 flights per week flying from New Delhi to London Heathrow Airport. The most common day of the week flights depart is Sat, with 16% of flights taking off on this day.