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Cheap Flights from London Heathrow to Kolkata

Travellers and cabin class

Compare London Heathrow to Kolkata flight deals

Find the cheapest month or even day of the year to fly to Kolkata

Book the best Kolkata fare with no extra fees

Flight deals from London Heathrow to Kolkata

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Kolkata? Find the lowest prices on one-way and return tickets right here.
Kolkata.£241 per passenger.Departing Tue, 20 May.One-way flight with Air India.Outbound indirect flight with Air India, departs from London Heathrow on Tue, 20 May, arriving in Kolkata.Price includes taxes and charges.From £241, select.
Kolkata.£241 per passenger.Departing Wed, 4 Jun.One-way flight with Air India.Outbound indirect flight with Air India, departs from London Heathrow on Wed, 4 Jun, arriving in Kolkata.Price includes taxes and charges.From £241, select.
Kolkata.£252 per passenger.Departing Mon, 2 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 2 Feb, arriving in Kolkata.Price includes taxes and charges.From £252, select.
Kolkata.£270 per passenger.Departing Tue, 4 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 4 Nov, arriving in Kolkata.Price includes taxes and charges.From £270, select.
Kolkata.£282 per passenger.Departing Wed, 10 Sep.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 10 Sep, arriving in Kolkata.Price includes taxes and charges.From £282, select.
Kolkata.£285 per passenger.Departing Wed, 3 Dec.One-way flight with Air India.Outbound indirect flight with Air India, departs from London Heathrow on Wed, 3 Dec, arriving in Kolkata.Price includes taxes and charges.From £285, select.
Kolkata.£285 per passenger.Departing Mon, 25 Aug.One-way flight with Air India.Outbound indirect flight with Air India, departs from London Heathrow on Mon, 25 Aug, arriving in Kolkata.Price includes taxes and charges.From £285, select.
Kolkata.£286 per passenger.Departing Tue, 28 Oct.One-way flight with Air India.Outbound indirect flight with Air India, departs from London Heathrow on Tue, 28 Oct, arriving in Kolkata.Price includes taxes and charges.From £286, select.

Find the cheapest month to fly from London Heathrow to Kolkata

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Kolkata flights are currently cheapest in May.
May
from £241
Jun
from £241
Jul
from £308
Aug
from £285
Sep
from £282
Oct
from £286
Nov
from £270
Dec
from £285
Jan
from £286
Feb
from £252
Mar
from £316
Apr
Find prices

London Heathrow to Kolkata: Alternative routes

Compare routes from London Heathrow to Kolkata below. You may find an airport to fly into that's cheaper, faster, or easier than Kolkata.

London to Kolkata: Flight information

The things to know before you go.
Cheapest flight found£241
Cheapest month to flyJune

Finding cheap flights from London Heathrow to Kolkata: Frequently asked questions

The best price we found for a return flight from London Heathrow to Kolkata is £412. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Heathrow to Kolkata. But we found flights with one or more stops from £412.
As of May 2025, there are no flights flying from London Heathrow to Kolkata.
The cheapest month to fly from London Heathrow to Kolkata is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Kolkata Airport on Sunday, 11 May 2025.
No airlines currently offer direct flights between London Heathrow Airport and Kolkata Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kolkata but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kolkata is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air India offers the cheapest flight tickets to Kolkata.

How to find cheap flights to Kolkata from London Heathrow

Looking for cheap tickets from London Heathrow to Kolkata? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London Heathrow to Kolkata. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Kolkata from London Heathrow from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best London Heathrow-Kolkata ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Kolkata from London Heathrow.
  • Set up a Price Alert. You can easily track the fare of your cheap London Heathrow-Kolkata flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between London Heathrow and Kolkata? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from London Heathrow and Kolkata. We scour the internet for the best Business, Premium Economy and First Class flight fares to Kolkata, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for London Heathrow to Kolkata flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Kolkata from London Heathrow with hotels and car hire

    Once you've secured your cheap flight ticket from London Heathrow to Kolkata, discover the best prices and exclusive rates for hotels in Kolkata or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from London to Kolkata

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.