Cheap flights from New Delhi to London from €273

In general, October is the cheapest month to fly from New Delhi to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €555. If you are unable to visit London during the month of October, then departing from New Delhi during the month November is also very affordable. Most momondo users find prices during this month for around €560.

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €484. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from New Delhi to London for around €770.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as €581. In contrast, the most expensive time of day to depart to London is in the evening when prices are around €602.

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

You are more likely to see cheaper flights to London from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around €649 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from New Delhi for as low as €560 on momondo.

There are 3 cabin classes available to choose from on New Delhi Indira Gandhi Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 15% on your flight if you consider stops on a New Delhi to London flight.

As of March 2026, prices for New Delhi to London flights are approximately 8% cheaper when compared to flights at the same time last year.

Historically, on average around 29% 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 153 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.

Friday 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: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via Helsinki (HEL) offer the lowest average return price of €601.

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 12h 25m.

Helsinki (HEL) has the shortest average stopover time for this route: 1h 08m.