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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $755 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from London for as low as $676 on momondo.

Question 2

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 141 minutes.

Question 3

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 4

What is the cheapest month to fly to Chennai?

Accepted Answer

In general, September is the cheapest month to fly from London to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $621. If you’re not able to fly to Chennai in September, then May is your next best option. Flight prices from London to Chennai during May average around $646.

Question 5

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 6

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

Accepted Answer

Flights via Manama (BAH) offer the lowest average round-trip price of $565.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

Manama (BAH) was the most common stop: 32% of momondo users choosing 1-stop flights on this route connected there.

Question 9

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 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 10

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

Accepted Answer

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

Question 11

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 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 $932.

Question 12

Can stopping save me money on London to Chennai flights?

Accepted Answer

You could potentially save up to 25% on your flight if you consider stops on a London to Chennai flight.

Question 13

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

Accepted Answer

Sunday 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 14

Which layover airport has the shortest travel time from London to Chennai?

Accepted Answer

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 12h 30m.

Question 15

What is the cheapest London to Chennai flight route?

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

The number of flights available between London and Chennai is 14 per week as of November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Question 18

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

Accepted Answer

The number of flights available between London and Chennai is 2 per day as of November 2025. The most frequent departure time is 2:00PM, with 100% of daily flights leaving in the afternoon.

Question 19

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 $726. This is often the case because there is less demand to fly during this day of the week. Flights from London 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 20

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $728 to $1,142.
The lowest price recently found on this route was $561.

Question 21

How have London to Chennai flight prices changed over time?

Accepted Answer

As of November 2025, prices for London to Chennai flights are approximately 12% cheaper when compared to flights at the same time last year.

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

There are 7 operators available for flights from London to Chennai Airport as of November 2025.

Question 24

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

Question 25

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

Accepted Answer

The travel and health documents required for your trip to Chennai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chennai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best Price Found	$819
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 3,674 reviews	Search Qatar Airways flights
Air India	PriceFrom $549	Free Cancellation	Rating 5.5 2,947 reviews	Search Air India flights
Gulf Air	PriceFrom $555	Free Cancellation	Rating 7.2 222 reviews	Search Gulf Air flights
Emirates	PriceFrom $566	Free Cancellation	Rating 8.1 3,421 reviews	Search Emirates flights
Etihad Airways	PriceFrom $566	Free Cancellation	Rating 7.4 1,312 reviews	Search Etihad Airways flights
British Airways	PriceFrom $642	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Lufthansa	PriceFrom $652	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights

Cheap flights from London to Chennai from $335

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 to Chennai departing on 1/15. 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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