Question 1

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 $754 when searching weeks out. 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 $686 on momondo.

Question 2

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

Accepted Answer

As of December 2025, 18 flights take off from London Heathrow Airport and land in Chennai each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.

Question 3

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

Accepted Answer

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

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 $819. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Chennai on a Saturday will generally be more expensive and average around $1,127. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 5

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 in the evening have, in the past, seen delays more frequently in comparison.

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

Etihad Airways and Qatar Airways are the most popular carriers operating from London Heathrow to Chennai

Question 8

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

Accepted Answer

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $776.

Question 9

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 10

What airlines fly to Chennai?

Accepted Answer

British Airways, Air India and Etihad Airways are the top three most popular airlines that fly to Chennai from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 7 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

Question 11

What is the typical price of a round-trip flight between London Heathrow Airport and Chennai?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $821 to $1,360.
The lowest price recently found on this route was $571.

Question 12

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

Accepted Answer

Bengaluru (BLR) has the shortest average layover time for this route: 1h 38m.

Question 13

Can stopping save me money on London Heathrow Airport to Chennai flights?

Accepted Answer

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

Question 14

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 7% cheaper when compared to flights at the same time last year.

Question 15

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 16

Which layover 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: 12h 30m.

Question 17

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

Accepted Answer

As of December 2025, 2 flights take off from London Heathrow Airport and land in Chennai each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

Question 18

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

Accepted Answer

Manama (BAH) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Question 19

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 20

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

Accepted Answer

In the evening is the cheapest time of day to fly from London Heathrow Airport to Chennai when you can find flight prices for as low as $704. Flying to Chennai in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is at noon when prices are around $955.

Question 21

What is the cheapest month to fly to Chennai?

Accepted Answer

In general, September is the cheapest month to fly from London Heathrow Airport to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $628. If you’re not able to fly to Chennai in September, then May is your next best option. Flight prices from London Heathrow Airport to Chennai during May average around $641.

Question 22

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 were last updated today.

Question 23

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

Accepted Answer

The number of operators available for flights from London Heathrow Airport to Chennai Airport is 7 as of December 2025.

Question 24

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Chennai Airport.

Question 25

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

Accepted Answer

The necessary travel and health documents for your Chennai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Fastest flight time	9h 55m
Direct flights	Every day
Airports in Chennai	1 airport

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $487	Free Cancellation	Rating 7.4 3,683 reviews	Search Qatar Airways flights
Air India	PriceFrom $549	Free Cancellation	Rating 5.5 2,951 reviews	Search Air India flights
Gulf Air	PriceFrom $555	Free Cancellation	Rating 7.2 226 reviews	Search Gulf Air flights
Etihad Airways	PriceFrom $566	Free Cancellation	Rating 7.4 1,332 reviews	Search Etihad Airways flights
British Airways	PriceFrom $644	Free Cancellation	Rating 6.7 7,579 reviews	Search British Airways flights
Lufthansa	PriceFrom $652	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
Emirates	PriceFrom $682	Free Cancellation	Rating 8.1 3,441 reviews	Search Emirates flights

Cheap flights from London Heathrow Airport to Chennai from $353

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Chennai departing on 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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