Cheap flights from India to London from £186

In general, October is the cheapest month to fly from India to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £497. The month of December is another great option to travel to London Heathrow Airport, with average flight prices from India averaging around £499.

On average, the least expensive day to fly to London Heathrow Airport from India is on a Friday. momondo users have found tickets for Friday departures for as low as £596. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £619.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from India to London Heathrow Airport in the afternoon for as low as £576. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £622 on average. Flights to London Heathrow Airport from India in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £585 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 £520 on momondo.

There are 3 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.

IndiGo, Etihad Airways, and SWISS are the most popular carriers operating from India to London Heathrow

Air India, British Airways and Virgin Atlantic 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 37% 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 24% 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of July 2026, 49 flights take off from India and land in London Heathrow Airport each day. The most common flight departure time for this route is 04:00, with 45% of daily flights taking off in the morning.

348 flights are operational weekly from India to London Heathrow Airport as of July 2026. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.