Cheap flights from London Heathrow to Chennai

Q: How much are flights normally?

£ 412. If you see flights from London Heathrow to Chennai for less than this, you've found a good deal.

Q: When is the best time to book cheap flights?

25 weeks. If you want cheap flights from London Heathrow to Chennai, this is the best time to book.

Q: What are the cheapest airlines?

Air India, British Airways, Etihad Airways, Gulf Air, Qatar Airways. These airlines usually offer the cheapest flights from London Heathrow to Chennai.

Q: Can I fly direct to Chennai?

British Airways. You can fly non-stop from London Heathrow to Chennai with these airlines.

Q: What airlines fly indirectly?

Emirates, Air India, Etihad Airways, Qatar Airways, Malaysia Airlines. These airlines fly from London Heathrow to Chennai, but you’ll have at least one layover.

Q: When is high season?

December. This is the most expensive time to fly to Chennai. If this is when you want to go, book your flight from London Heathrow in advance.

Q: When is the cheapest time to fly?

April. Flights from London Heathrow to Chennai are usually cheaper at this time of year.

Q: How long is the flight?

9 hrs 55 mins. This is the shortest flight time from London Heathrow to Chennai.

Q: How long should I stay in Chennai?

8 days. Most people spend this amount of time in Chennai.

from as little as £452

13 nights in Chennai, departing London Heathrow on 26 / Feb / 2025 with Air India (price found 22 hours ago)

Subject to availability, prices correct of the last 24 hours

Part of the Emirates Group

Safe & Secure, ATOL Protected

Over 30 Years in Business

Rated 'Excellent' on Trustpilot

Cheap return flights from London Heathrow to Chennai

Find the best deals

The London Heathrow / Chennai route

All 8242 km of it

Cheap flight deals for this route

See what's hot at the moment

Chennai flight facts

What you need to know

How much are flights normally?

£ 412

If you see flights from London Heathrow to Chennai for less than this, you've found a good deal.

When is the best time to book cheap flights?

25 weeks

If you want cheap flights from London Heathrow to Chennai, this is the best time to book.

What are the cheapest airlines?

Air India
British Airways
Etihad Airways
Gulf Air
Qatar Airways

These airlines usually offer the cheapest flights from London Heathrow to Chennai.

Can I fly direct to Chennai?

British Airways

You can fly non-stop from London Heathrow to Chennai with these airlines.

What airlines fly indirectly?

Emirates
Air India
Etihad Airways
Qatar Airways
Malaysia Airlines

These airlines fly from London Heathrow to Chennai, but you’ll have at least one layover.

When is high season?

December

This is the most expensive time to fly to Chennai. If this is when you want to go, book your flight from London Heathrow in advance.

When is the cheapest time to fly?

April

Flights from London Heathrow to Chennai are usually cheaper at this time of year.

How long is the flight?

9 hrs 55 mins

This is the shortest flight time from London Heathrow to Chennai.

How long should I stay in Chennai?

8 days

Most people spend this amount of time in Chennai.

Alternative flights from the UK to Chennai

Check out prices for other routes

London to Chennai

from £452 pp

Find flights

Manchester to Chennai

from £554 pp

Find flights

Edinburgh to Chennai

from £577 pp

Find flights

Birmingham to Chennai

from £684 pp

Find flights

London City Airport to Chennai

from £752 pp

Find flights

London Gatwick to Chennai

from £510 pp

Find flights

London Stansted to Chennai

from £548 pp

Find flights

Alternative flights from London Heathrow

You might find cheaper flights nearby

Goa from London Heathrow

from £465 pp

Find flights

Mumbai from London Heathrow

from £417 pp

Find flights

Dhaka from London Heathrow

from £694 pp

Find flights

Kathmandu from London Heathrow

from £757 pp

Find flights

Delhi from London Heathrow

from £417 pp

Find flights

Phuket from London Heathrow

from £494 pp

Find flights

Today alone, Netflights has searched over 65,519 flights. 26 / Feb / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Chennai route. There are around 4,782 flights on any given week from the UK to Chennai and the cheapest month to fly right now is February.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

-2 °C

AVG

13 °C

HIGHEST

27 °C

Rainfall (mm)

LOWEST

31.7 mm

AVG

113.7 mm

HIGHEST

217.5 mm

Key facts about Chennai

Currency

Indian rupee

Language

Hindi

English

Timezone

5.5 hrs ahead of GMT

How to get cheap flights from London Heathrow to Chennai

Tips and advice from our flight experts

If you're looking to fly from London Heathrow to Chennai, you might like to know that 26 / Feb / 2025 currently has the cheapest flights. At the moment, there are 17 airlines flying to Chennai. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Chennai.

Emirates is the most popular airline that flies from London Heathrow to Chennai. But it's still worth looking at other options, as there are 4,782 flights to Chennai every week. If you want to broaden your search, look at flights departing from other airports.

The distance between London Heathrow to Chennai is 8242 km. Normally, it takes about 15 hrs 35 mins to fly, and you can definitely expect the journey to be at least 9 hrs 55 mins. You can see the various flight times in the results.

The cheapest month to fly to Chennai is April, while December is when the prices of flights, hotels and car hire will be at their highest. If you need somewhere to stay for your trip to India, take a look at our accommodation options.