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Cheap flights from London Heathrow Airport to Chennai from C$ 520

LHR — MAA
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Chennai

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Chennai

Wed 16/98:50 p.m. -
1 stop30h 05m
Sun 4/108:15 a.m. -
1 stop26h 45m
Deal found 16/9C$ 822
Fri 25/98:50 p.m. -
1 stop30h 05m
Sun 4/103:30 p.m. -
1 stop19h 30m
Deal found 12/9C$ 824
Sat 19/98:50 p.m. -
1 stop30h 05m
Tue 6/108:15 a.m. -
1 stop15h 25m
Deal found 11/9C$ 825
Wed 16/98:50 p.m. -
1 stop30h 05m
Mon 28/98:15 a.m. -
1 stop15h 25m
Deal found 16/9C$ 829
Sat 10/108:50 p.m. -
1 stop30h 05m
Thu 15/108:15 a.m. -
1 stop15h 25m
Deal found 13/9C$ 832
Mon 16/118:05 p.m. -
1 stop29h 05m
Wed 25/113:00 p.m. -
1 stop32h 55m
Deal found 14/9C$ 833
Sat 19/98:50 p.m. -
1 stop30h 05m
Sat 3/108:15 a.m. -
1 stop15h 25m
Deal found 16/9C$ 838
Sun 13/98:25 a.m. -
1 stop18h 30m
Sat 3/108:15 a.m. -
1 stop15h 25m
Deal found 12/9C$ 839
Wed 30/98:50 p.m. -
1 stop30h 05m
Thu 8/108:15 a.m. -
1 stop15h 25m
Deal found 14/9C$ 840
Mon 2/118:25 a.m. -
1 stop16h 45m
Mon 7/127:20 a.m. -
1 stop16h 35m
Deal found 12/9C$ 842
Mon 9/118:05 p.m. -
1 stop29h 05m
Sat 28/117:20 a.m. -
1 stop16h 35m
Deal found 16/9C$ 844

Find flight deals from Heathrow to Chennai

Round-trip from

C$ 822

One-way from

C$ 520

Popular in

July

Cheapest in

September

Average price

C$ 900
Oman Air
  • Oman Air
  • 5/10-25/10
  • 2 total stops
  • 51h 25m total
  • London to Chennai
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Air India
  • Air India
  • 27/10-31/12
  • 1 total stop
  • 13h 30m total
  • London to Chennai
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 196 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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

Cheapest round-trip

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Mon 7/12

8:55 p.m.-3:05 p.m.

1 stop12h 40m

Chennai

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 602

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Tue 8/12

7:20 p.m.-2:35 a.m.

1 stop25h 45m

Chennai

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 821

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Thu 12/11

8:05 p.m.-2:20 p.m.

1 stop12h 45m

Chennai

Tue 17/11

7:20 a.m.-5:55 a.m.

1 stop28h 05m

C$ 825

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Tue 13/10

8:50 p.m.-2:40 p.m.

1 stop13h 20m

Chennai

Thu 15/10

8:15 a.m.-7:10 p.m.

1 stop15h 25m

C$ 832

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Mon 9/11

8:05 p.m.-6:40 a.m.

1 stop29h 05m

Chennai

Sat 28/11

7:20 a.m.-6:25 p.m.

1 stop16h 35m

C$ 844

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Fri 25/9

8:10 p.m.-2:50 a.m.

2 stops26h 10m

Chennai

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 856

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Sat 7/11

6:25 p.m.-2:15 a.m.

2 stops26h 20m

Chennai

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 858

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Sun 27/9

8:50 a.m.-2:50 a.m.

2 stops37h 30m

Chennai

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 860

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Tue 3/11

8:05 a.m.-2:30 a.m.

1 stop12h 55m

Chennai

Wed 2/12

7:35 a.m.-1:35 p.m.

Nonstop11h 30m

C$ 1,006

LondonChennai

LHR London Heathrow - MAA Chennai

LHRMAA

London Heathrow

Mon 9/11

8:35 a.m.-2:30 a.m.

1 stop12h 25m

Chennai

Sat 28/11

7:35 a.m.-1:35 p.m.

Nonstop11h 30m

C$ 1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Chennai

Have a flexible travel schedule? Discover the best time to fly to Chennai from Heathrow with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Chennai

How far ahead should I book a flight from London Heathrow Airport to Chennai?

The best time to book flights from London Heathrow Airport to Chennai is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Chennai?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Chennai (average of C$ 900). Flying from London Heathrow Airport to Chennai in July is currently the most expensive (average of C$ 1,444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to MAA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Chennai as you normally would.

How much does it cost to fly round-trip from London Heathrow Airport to Chennai?

Airfare is typical for this route at the moment.

London Heathrow Airport to Chennai flights typically cost between C$ 821 and C$ 1,021 in October.
The cheapest round-trip price found within the last 5 days was C$ 822 on Oman Air (5 Oct-25 Oct).

Related info for your journey

  • What airport do you fly into for flights to Chennai from London Heathrow?

    Most people fly into Chennai (MAA) if they book a flight to Chennai from London Heathrow. On average, Chennai has 3 inbound flights from London Heathrow per day from 0 airlines. Chennai is conveniently located just 16.5 km from Chennai’s city centre.

  • How long is the flight from London Heathrow Airport to Chennai?

    For as low as C$ 825, Oman Air can have you in Chennai from London Heathrow Airport in 12h 45m. The distance from London Heathrow Airport to Chennai is about 8229 km.

  • What are the most reliable airlines from London Heathrow Airport to Chennai?

    Consider American Airlines (80%), Finnair (80%) or British Airways (80%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Chennai.

  • Can I find deals for flights from Heathrow to Chennai that include hotel bookings?

    Yes. In addition to deals on Heathrow to Chennai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Chennai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Chennai.

  • Can I find deals for business class flights from Heathrow to Chennai?

    Yes. Cheapflights offers flight deals from Heathrow to Chennai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Chennai?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Chennai (average of C$ 900). Flying from London Heathrow Airport to Chennai in July is currently the most expensive (average of C$ 1,444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Certainly. Search results for flights to Chennai from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes! Start tracking prices for Heathrow to Chennai flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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