Cheap Flights from Kolkata to London Heathrow

Compare Kolkata to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Kolkata to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Kolkata Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 11,167. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kolkata to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kolkata to London Heathrow flights are currently cheapest in July.

Kolkata to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,208
Cheapest month to flyJuly

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

The best price we found for a return flight from Kolkata to London Heathrow is R 10,458. 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 Kolkata to London Heathrow. But we found flights with one or more stops from R 10,458.
As of July 2026, there are no flights flying from Kolkata to London Heathrow.
The cheapest month to fly from Kolkata to London Heathrow is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kolkata Airport to London Heathrow Airport on Saturday, 25 July 2026.
No airlines currently offer direct flights between Kolkata Airport and London Heathrow 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 London Heathrow 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 London is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, IndiGo offers the cheapest flight tickets to London Heathrow.

Flying from Kolkata Airport (CCU) to London Heathrow Airport (LHR): what you need to know

  • London's timezone is UTC+0, which makes London five hours 30 minutes behind Kolkata.

  • Get to the airport on time so you don't miss your CCU to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • Be prepared for bigger queues during popular months such as January. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Kolkata Airport to London Heathrow Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Stopovers between CCU and LHR include:

    • Delhi Indira Gandhi International Airport

    • Dubai Airport

    • Mumbai Airport

How to find the cheapest flights from Kolkata Airport (CCU) to London Heathrow Airport (LHR)

  • The cheapest price we've found for a one-way Kolkata Airport to London Heathrow Airport flight is R 4,208. A return fare is currently R 10,458. Depending on the availability when you book, these fares could change.

  • To get your hands on cheap tickets from CCU to LHR, book in advance. Airlines typically offer their most competitively priced fares when flights are first made available.

  • If you're flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the lowest price across the month when looking for your flight from Kolkata Airport to London Heathrow Airport.

  • Spend less time searching for cheap flights from CCU to LHR by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Kolkata Airport to London Heathrow Airport.

Handy information about Kolkata Airport (CCU)

  • When it comes to Kolkata Airport's on-time performance, 72% of flights meet their scheduled arrival time.

  • To reach Kolkata Airport from central Kolkata, it'll take around 35 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 18 kilometres from the airport to the city centre.

  • The journey on public transport typically takes 50 minutes.

  • Have an early flight from Kolkata Airport to London Heathrow Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to CCU:

Arriving at London Heathrow Airport (LHR)

When to fly to London Heathrow Airport (LHR)

  • It's time to choose your travel dates for your flight from Kolkata Airport to London Heathrow Airport. July is the most popular month to head to London. If you want a more relaxed vibe, go in March.

  • Before locking in your flight from Kolkata Airport to London Heathrow Airport, consider the kind of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • If you want cooler conditions, look for a cheap ticket from CCU to LHR in January. Average temperatures are between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of the United Kingdom

  • Manchester is just one of the many places in the United Kingdom waiting to be discovered once you've seen the sights of London. Around 257 kilometres away to the north-west, its top attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

  • If you're ready to explore another corner of the United Kingdom, head for Birmingham, about 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.