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Cheap flights from London Heathrow Airport to Chennai from $315

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 2/2. 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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Find the cheapest flights from London Heathrow Airport to Chennai

Cheap round-trip flights

Air India Logo
8:30 pm - 12:55 amLHR-MAA
22h 55m1 stop
Air India Logo
10:45 am - 7:30 pmMAA-LHR
14h 15m1 stop
$540Air India
Find Deal
Sun, Mar 1 - Wed, Mar 11
Air India Logo
9:05 pm - 2:50 pmLHR-MAA
12h 15m1 stop
Air India Logo
7:30 am - 7:30 pmMAA-LHR
17h 30m1 stop
$561Air India
Find Deal
Thu, Oct 30 - Thu, Nov 6
Etihad Airways Logo
7:20 pm - 2:35 pmLHR-MAA
13h 45m1 stop
Etihad Airways Logo
3:55 am - 2:30 pmMAA-LHR
16h 05m1 stop
$565Etihad Airways
Find Deal
Thu, Oct 30 - Wed, Nov 5
Multiple Airlines Logo
6:30 am - 10:10 amLHR-MAA
23h 10m2 stops
Multiple Airlines Logo
2:00 am - 4:40 pmMAA-LHR
19h 10m2 stops
$584Multiple Airlines
Find Deal
Tue, Oct 7 - Mon, Oct 20
Etihad Airways Logo
7:20 pm - 7:55 pmLHR-MAA
19h 05m1 stop
Etihad Airways Logo
10:00 am - 2:30 pmMAA-LHR
34h 00m1 stop
$586Etihad Airways
Find Deal
Tue, Mar 3 - Wed, Mar 11
British Airways Logo
12:40 pm - 3:30 amLHR-MAA
10h 20mnonstop
British Airways Logo
5:35 am - 12:10 pmMAA-LHR
11h 05mnonstop
$595British Airways
Find Deal
Mon, Oct 6 - Tue, Oct 14
Gulf Air Logo
10:00 am - 5:10 amLHR-MAA
14h 40m1 stop
Gulf Air Logo
6:00 am - 3:20 pmMAA-LHR
13h 50m1 stop
$598Gulf Air
Find Deal
Tue, Oct 7 - Tue, Oct 21
British Airways Logo
2:10 pm - 5:35 amLHR-MAA
9h 55mnonstop
British Airways Logo
2:30 am - 7:45 amMAA-LHR
34h 45m1 stop
$606British Airways
Find Deal
Sun, Mar 1 - Tue, Mar 10
Gulf Air Logo
10:00 am - 5:10 amLHR-MAA
14h 40m1 stop
Gulf Air Logo
9:35 pm - 6:55 amMAA-LHR
13h 50m1 stop
$611Gulf Air
Find Deal
Tue, Oct 7 - Sat, Oct 18
Multiple Airlines Logo
6:30 am - 6:35 amLHR-MAA
18h 35m2 stops
Multiple Airlines Logo
10:30 pm - 10:30 amMAA-LHR
17h 30m2 stops
$636Multiple Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 10

British Airways flights from London Heathrow Airport to Chennai

Our best British Airways deals on London Heathrow Airport to Chennai flight tickets
British Airways
Sep 24
LHR12:40 pmLondon Heathrow
10h 20m
MAA3:30 amChennai
Sep 30
MAA5:35 amChennai
11h 05m
LHR12:10 pmLondon Heathrow
$593
Find similar
British Airways
Sep 24
LHR12:40 pmLondon Heathrow
10h 20m
MAA3:30 amChennai
Sep 30
MAA5:35 amChennai
11h 05m
LHR12:10 pmLondon Heathrow
$594
Find similar
British Airways
Oct 6
LHR12:40 pmLondon Heathrow
10h 20m
MAA3:30 amChennai
Oct 14
MAA5:35 amChennai
11h 05m
LHR12:10 pmLondon Heathrow
$595
Find similar

Etihad Airways flights from London Heathrow Airport to Chennai

Our best Etihad Airways deals on London Heathrow Airport to Chennai flight tickets
Etihad Airways
Oct 30
LHR7:20 pmLondon Heathrow
13h 45m
1 stop
MAA2:35 pmChennai
Nov 5
MAA3:55 amChennai
16h 05m
1 stop
LHR2:30 pmLondon Heathrow
$565
Find similar
Etihad Airways
Mar 3
LHR7:20 pmLondon Heathrow
19h 05m
1 stop
MAA7:55 pmChennai
Mar 11
MAA10:00 amChennai
34h 00m
1 stop
LHR2:30 pmLondon Heathrow
$586
Find similar
Etihad Airways
Mar 2
LHR8:50 amLondon Heathrow
29h 35m
1 stop
MAA7:55 pmChennai
Mar 10
MAA10:00 amChennai
34h 00m
1 stop
LHR2:30 pmLondon Heathrow
$591
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Chennai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Sun 3/1

8:30 pm-12:55 am

1 stop22h 55m

Chennai

Wed 3/11

10:45 am-7:30 pm

1 stop14h 15m

$540

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Thu 10/30

9:05 pm-2:50 pm

1 stop12h 15m

Chennai

Thu 11/6

7:30 am-7:30 pm

1 stop17h 30m

$561

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Thu 10/30

7:20 pm-2:35 pm

1 stop13h 45m

Chennai

Wed 11/5

3:55 am-2:30 pm

1 stop16h 05m

$565

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Tue 10/7

6:30 am-10:10 am

2 stops23h 10m

Chennai

Mon 10/20

2:00 am-4:40 pm

2 stops19h 10m

$584

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Tue 3/3

7:20 pm-7:55 pm

1 stop19h 05m

Chennai

Wed 3/11

10:00 am-2:30 pm

1 stop34h 00m

$586

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 10/6

12:40 pm-3:30 am

Nonstop10h 20m

Chennai

Tue 10/14

5:35 am-12:10 pm

Nonstop11h 05m

$595

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Tue 10/7

10:00 am-5:10 am

1 stop14h 40m

Chennai

Tue 10/21

6:00 am-3:20 pm

1 stop13h 50m

$598

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Sun 3/1

2:10 pm-5:35 am

Nonstop9h 55m

Chennai

Tue 3/10

2:30 am-7:45 am

1 stop34h 45m

$606

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Tue 10/7

10:00 am-5:10 am

1 stop14h 40m

Chennai

Sat 10/18

9:35 pm-6:55 am

1 stop13h 50m

$611

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 10/27

6:30 am-6:35 am

2 stops18h 35m

Chennai

Mon 11/10

10:30 pm-10:30 am

2 stops17h 30m

$636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chennai from

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chennai?

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 $630. 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 $644.

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

The cheapest day to depart on your flight to Chennai is on a Tuesday when prices can be found for as low as $752. 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 $998. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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 in the morning when prices are around $891.

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?

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 $759 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 $682 on momondo.

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.

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

You could potentially save up to 11% on your flight if you consider stops on a London Heathrow Airport to Chennai flight.

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

As of September 2025, prices for London Heathrow Airport to Chennai flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Chennai

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Chennai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Chennai (LHR to MAA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Chennai

Fastest flight time

9h 55m

Direct flights

Every day

Airports in Chennai

1 airport
The fastest flight from London Heathrow Airport to Chennai takes 9h 55m
Direct flights go from London Heathrow Airport to Chennai every day.
There is 1 airport near Chennai: Chennai (MAA)
Search flight deals

  • How far is London Heathrow to Chennai by plane?

    The distance between London Heathrow and Chennai is about 5112.7 mi. Flights usually cover this in 9h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Chennai Airport were last updated today.

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

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

    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.

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

    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.

  • What is the most popular plane model from London Heathrow Airport to Chennai?

  • What is the most popular airline from London Heathrow Airport to Chennai?

Best airlines flying from London Heathrow Airport to Chennai

Compare and see reviews for airlines that fly from London Heathrow Airport to Chennai with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $549Free CancellationRating
5.5
2,932 reviews
Search Air India flights
Etihad AirwaysPriceFrom $566Free CancellationRating
7.4
1,251 reviews
Search Etihad Airways flights
Gulf AirPriceFrom $589Free CancellationRating
7.1
210 reviews
Search Gulf Air flights
Qatar AirwaysPriceFrom $610Free CancellationRating
7.4
3,622 reviews
Search Qatar Airways flights
EmiratesPriceFrom $639Free CancellationRating
8.1
3,339 reviews
Search Emirates flights
British AirwaysPriceFrom $641Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
LufthansaPriceFrom $652Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

  • British Airways Flights From London Heathrow Airport to Chennai

    British Airways flies from London Heathrow Airport to Chennai around 7 times per week, with 7,367 momondo users rating the airline 6.7/10. The cheapest British Airways deal from London Heathrow Airport to Chennai in the last 72 hours was $641 (round-trip), much lower than the average airfare cost of $849 for British Airways flights on this route.

Traveling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Mahabalipuram
Vellore

Why use momondo?

Why should I use momondo to find a flight deal from London to Chennai?

It is quick and easy to find London to Chennai flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chennai that suits you.

Can I find flights from London to Chennai with flexible booking policies on momondo?

Flights from London to Chennai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Chennai?

momondo provides multiple filters to help you find the best flight to Chennai from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Chennai right now. Can momondo alert me if prices change?

Price alerts on flights to Chennai from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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