Cheap flights from London to Chennai from £149
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 17/9. 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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How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Chennai?
What is the cheapest month to fly to Chennai?
The month of September is, on average, the cheapest month to fly to Chennai from London, with most prices found around £465. If you aren’t able to travel during the month of September, then book flights to Chennai from London during May instead. Flights to Chennai in May, while not as cheap as those in September, still average around £474.
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 £595. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £641. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chennai.
What is the cheapest time of day to depart on your flight to Chennai?
Flying to Chennai from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £520 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Chennai is in the morning when prices are around £646.
What is the cheapest London to Chennai flight route?
Fly from London Heathrow to Chennai for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around £562 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from London for as low as £503 on momondo.
What cabin class options are available on London to Chennai flights?
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.
How many flights depart from London to Chennai on average per day?
As of July 2025, there are 1 flights per day flying from London to Chennai. The most common time of day flights depart is 12:00, with 100% of flights taking off in the afternoon.
How many flights depart from London to Chennai on average per week?
10 flights are operational weekly from London to Chennai as of July 2025. The most popular departure day for this route is Tue, with 20% of flights per week taking off on this day.
When to book flights from London to Chennai
Cheap London to Chennai (LON to MAA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Chennai
How far is London to Chennai by plane?
The straight-line distance from London to Chennai is 5098.4 mi. Flights usually cover this in 11h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Chennai Airport?
Prices for flights from London to Chennai Airport were last updated today.
How many operators does momondo search for flights from London to Chennai Airport?
As of July 2025, there are 16 operators available to choose from for flights from London to Chennai Airport.
How old do you have to be to fly from London to Chennai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 to Chennai?
momondo data reveals that the most frequently booked plane model on the route from London to Chennai is Boeing 787-8 Dreamliner, representing 97.13% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 1.99%, Airbus A350-1000 at 0.49%, and Boeing 777 at 0.26%.
What is the most popular airline from London to Chennai?
momondo data reveals that the most frequently booked airline on the route from London to Chennai is Air India, representing 20% of all bookings. The subsequent popular airlines are British Airways at 20%, Emirates at 15%, and Etihad Airways at 11%.
Best airlines flying from London to Chennai
Compare and see reviews for airlines that fly from London to Chennai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £336 | Free Cancellation | Rating 7.4 619 reviews | |||
| PriceFrom £349 | Free Cancellation | Rating 7.1 200 reviews | |||
| PriceFrom £370 | Free Cancellation | Rating 5.5 2,926 reviews | |||
| PriceFrom £400 | Free Cancellation | Rating 7.1 303 reviews | |||
| PriceFrom £405 | Free Cancellation | Rating 7.4 3,588 reviews | |||
| PriceFrom £405 | Free Cancellation | Rating 7.4 1,220 reviews | |||
| PriceFrom £440 | Free Cancellation | Rating 8.3 92 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom £465 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom £487 | Free Cancellation | Rating 7.4 654 reviews |
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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?
Yes. momondo allows you to filter the results for London to Chennai flights to just show those with flexible booking policies.
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?
Yes. momondo can track prices for London to Chennai flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.