Question 1

Which stopover airport has the shortest connection time from London Heathrow Airport to Chennai?

Accepted Answer

Colombo (CMB) has the shortest average stopover time for this route: 1h 34m.

Question 2

What is the cheapest time of day to depart on your flight to Chennai?

Accepted Answer

Flying to Chennai from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £530 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Chennai is in the morning when prices are around £658.

Question 3

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Chennai?

Accepted Answer

Abu Dhabi (AUH) was the most common stop: 36% of momondo users choosing one-stop flights on this route connected there.

Question 4

What is the cheapest day to depart on your flight to Chennai?

Accepted Answer

The cheapest day to depart on your flight to Chennai is on a Tuesday when prices can be found for as low as £626. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £691. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chennai.

Question 5

How often are flights from London to Chennai delayed?

Accepted Answer

Historically, on average around 24% of flights between London and Chennai have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

Question 6

What is the most punctual flight time for London to Chennai flights?

Accepted Answer

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

Question 7

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 8

Which airline has the best punctuality record on London to Chennai flights?

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

Question 9

What is the cheapest London Heathrow to Chennai flight route?

Accepted Answer

Fly from London Heathrow to Chennai for the best London Heathrow - Chennai flight prices

Question 10

How many flights depart from London Heathrow Airport to Chennai on average per week?

Accepted Answer

12 flights are operational weekly from London Heathrow Airport to Chennai as of December 2025. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.

Question 11

How many flights depart from London Heathrow Airport to Chennai on average per day?

Accepted Answer

As of December 2025, 1 flights take off from London Heathrow Airport and land in Chennai each day. The most common flight departure time for this route is 14:00, with 100% of daily flights taking off in the afternoon.

Question 12

Which stopover airport has the shortest travel time from London Heathrow Airport to Chennai?

Accepted Answer

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 04m.

Question 13

What cabin class options are available on London Heathrow to Chennai flights?

Accepted Answer

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

Question 14

What is the cheapest airline that flies from London Heathrow to Chennai?

Accepted Answer

Etihad Airways, Gulf Air, and Air India are the most popular carriers operating from London Heathrow to Chennai

Question 15

Which airlines fly to Chennai?

Accepted Answer

Air India, British Airways and Etihad Airways are the top three most popular airlines that fly to Chennai from London Heathrow Airport according to our data. Air India is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Chennai. Keep in mind that there are 13 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

Question 16

How have London Heathrow Airport to Chennai flight prices changed over time?

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Chennai flights are approximately 9% cheaper when compared to flights at the same time last year.

Question 17

Which stopover airport offers the lowest fares from London Heathrow Airport to Chennai?

Accepted Answer

Flights via Manama (BAH) offer the lowest average return price of £571.

Question 18

What is the cheapest month to fly to Chennai?

Accepted Answer

The month of September is, on average, the cheapest month to fly to Chennai from London Heathrow Airport, with most prices found around £469. If you aren’t able to travel during the month of September, then book flights to Chennai from London Heathrow Airport during May instead. Flights to Chennai in May, while not as cheap as those in September, still average around £479.

Question 19

How far in advance should I book a flight to Chennai?

Accepted Answer

You are more likely to see cheaper flights to Chennai from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around £563 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from London Heathrow Airport for as low as £513 on momondo.

Question 20

When did momondo last update prices for flights from London Heathrow Airport to Chennai Airport?

Accepted Answer

Prices for flights from London Heathrow Airport to Chennai Airport are refreshed on a daily basis.

Question 21

How many operators does momondo search for flights from London Heathrow Airport to Chennai Airport?

Accepted Answer

As of December 2025, there are 13 operators available to choose from for flights from London Heathrow Airport to Chennai Airport.

Question 22

How old do you have to be to fly from London Heathrow Airport to Chennai Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Chennai Airport.

Question 23

What documentation or ID do you need to fly to Chennai Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Chennai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	£583
Fastest flight time	9h 55m
Direct flights	Every day
Airports in Chennai	1 airport

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom £373	Free Cancellation	Rating 5.5 2,947 reviews	Search Air India flights
Gulf Air	PriceFrom £392	Free Cancellation	Rating 7.2 226 reviews	Search Gulf Air flights
Air France	PriceFrom £404	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights
Etihad Airways	PriceFrom £409	Free Cancellation	Rating 7.4 1,331 reviews	Search Etihad Airways flights
Kuwait Airways	PriceFrom £436	Free Cancellation	Rating 7.2 322 reviews	Search Kuwait Airways flights
British Airways	PriceFrom £444	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
IndiGo	PriceFrom £444	Free Cancellation	Rating 6.8 507 reviews	Search IndiGo flights
Qatar Airways	PriceFrom £448	Free Cancellation	Rating 7.4 3,679 reviews	Search Qatar Airways flights
Oman Air	PriceFrom £454	Free Cancellation	Rating 8.1 111 reviews	Search Oman Air flights
Virgin Atlantic	PriceFrom £467	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights

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How to get the cheapest flight ticket from London Heathrow Airport to Chennai

What is the cheapest month to fly to Chennai?

What is the cheapest day to depart on your flight to Chennai?

What is the cheapest time of day to depart on your flight to Chennai?

What is the cheapest London Heathrow to Chennai flight route?

Fly from London Heathrow to Chennai for the best London Heathrow - Chennai flight prices

How far in advance should I book a flight to Chennai?

What cabin class options are available on London Heathrow to Chennai flights?

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

How have London Heathrow Airport to Chennai flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Chennai flights are approximately 9% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from London Heathrow to Chennai?

Etihad Airways, Gulf Air, and Air India are the most popular carriers operating from London Heathrow to Chennai

Which airlines fly to Chennai?

How often are flights from London to Chennai delayed?

Historically, on average around 24% of flights between London and Chennai have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

What is the most punctual flight time for London to Chennai flights?

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

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on London to Chennai flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Chennai?

Abu Dhabi (AUH) was the most common stop: 36% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London Heathrow Airport to Chennai?

Flights via Manama (BAH) offer the lowest average return price of £571.

Which stopover airport has the shortest travel time from London Heathrow Airport to Chennai?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 04m.

Which stopover airport has the shortest connection time from London Heathrow Airport to Chennai?

Colombo (CMB) has the shortest average stopover time for this route: 1h 34m.

How many flights depart from London Heathrow Airport to Chennai on average per day?

As of December 2025, 1 flights take off from London Heathrow Airport and land in Chennai each day. The most common flight departure time for this route is 14:00, with 100% of daily flights taking off in the afternoon.

How many flights depart from London Heathrow Airport to Chennai on average per week?

12 flights are operational weekly from London Heathrow Airport to Chennai as of December 2025. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.

When to book flights from London Heathrow Airport to Chennai

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