Cheap flights from London Heathrow Airport to Chennai from $289
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 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Chennai
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Air India flights from London Heathrow Airport to Chennai
Our best Air India deals on London Heathrow Airport to Chennai flight tickets
Etihad Airways flights from London Heathrow Airport to Chennai
Our best Etihad Airways deals on London Heathrow Airport to Chennai flight tickets
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 $636. 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 $990. 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 $895.
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 $768 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 $687 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 10% 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 July 2025, prices for London Heathrow Airport to Chennai flights are approximately 18% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London Heathrow to Chennai?
Air India, Qatar Airways, and Oman Air are the most popular carriers operating from London Heathrow to Chennai
What airlines fly to Chennai?
British Airways, Air India and Etihad Airways are the top three most popular airlines that fly to Chennai from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 8 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Chennai on average per day?
As of July 2025, 1 flights take off from London Heathrow Airport and land in Chennai each day. The most common flight departure time for this route is 12:00PM, with 100% of daily flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to Chennai on average per week?
As of July 2025, 9 flights take off from London Heathrow Airport and land in Chennai each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.
When to book flights from London Heathrow Airport to Chennai
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
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 10h 20m, 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?
The number of operators available for flights from London Heathrow Airport to Chennai Airport is 8 as of July 2025.
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?
Based on momondo bookings for flights between London Heathrow Airport and Chennai, the leading plane model is Boeing 787-8 Dreamliner, making up 97.13% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 1.99%, Airbus A350-1000 with 0.49%, and Boeing 777 with 0.26%.
What is the most popular airline from London Heathrow Airport to Chennai?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Chennai is British Airways, representing 31% of all bookings. The subsequent popular airlines are Air India at 17%, Etihad Airways at 14%, and Gulf Air at 10%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $549 | Free Cancellation | Rating 5.5 2,924 reviews | |||
| PriceFrom $566 | Free Cancellation | Rating 7.4 1,224 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.1 200 reviews | |||
| PriceFrom $603 | Free Cancellation | Rating 8.3 92 reviews | |||
| PriceFrom $610 | Free Cancellation | Rating 7.4 3,593 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 8.1 3,285 reviews | |||
| PriceFrom $642 | Free Cancellation | Rating 6.6 7,089 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 6.8 7,205 reviews |
British Airways Flights From London Heathrow Airport to Chennai
British Airways flies from London Heathrow Airport to Chennai around 1 time per week, with 7,089 momondo users rating the airline 6.6/10. The cheapest British Airways deal from London Heathrow Airport to Chennai in the last 72 hours was $642 (round-trip), much lower than the average airfare cost of $860 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 locationsWhy 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.