Flight tickets from Kolkata (CCU) to London Heathrow (LHR) from ₹ 22,834

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      Travellers and cabin class, 1 Adult, Economy

      Compare Kolkata to London Heathrow flight deals

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

      Book the best London Heathrow fare with no extra fees

      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 ₹ 59,209. 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 September.

      Kolkata to London: Flight information

      The things to know before you go.
      Cheapest flight found₹ 22,834
      Cheapest month to flyOctober

      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 ₹ 54,733. 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 ₹ 54,733.
      As of September 2026, there are no flights flying from Kolkata to London Heathrow.
      The cheapest month to fly from Kolkata to London Heathrow is usually September.
      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, 26 September 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, Etihad Airways offers the cheapest flight tickets to London Heathrow.

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

      • The timezone in London is UTC+0, which is five hours 30 minutes behind Kolkata.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to catch your CCU to LHR flight.

      • During popular months such as January, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a high season in general.

      • Consider adding a stopover when booking your ticket from Kolkata to London Heathrow. Just deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between CCU and LHR:

        • Delhi Indira Gandhi International

        • Dubai

        • Mumbai

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

      • The cheapest price we've found for a one-way Kolkata to London Heathrow flight is ₹ 22,834. A round-trip fare right now is ₹ 54,733. Depending on the availability when you book, these fares could change.

      • It's usually smart to book in advance if you want to get cheap tickets from CCU to LHR. That's because airlines change prices based on demand, which tends to increase closer to departure.

      • The 'Whole month' tool shows you the cheapest flights from Kolkata to London Heathrow across every month. It's an easy way to find a bargain if your plans are flexible.

      • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as a special offer becomes available on cheap flights from CCU to LHR.

      • Tailor your trip using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Kolkata to London Heathrow.

      Handy information about Kolkata (CCU)

      • 72% of flights that depart Kolkata make it to their destination on schedule.

      • Central Kolkata to Kolkata is around 18 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, ride-sharing or catching a taxi.

      • You can expect a journey time of roughly 50 minutes on public transport.

      • Have an early flight from Kolkata to London Heathrow? Avoid the stress of rushing to the airport (and catch some extra z's) by choosing one of these stays close to CCU:

      What is the baggage allowance on flights from Kolkata Airport (CCU) to London Heathrow Airport (LHR)?

      Most flights from CCU to LHR include a carry-on bag with standard fares, though baggage allowances vary between airlines and ticket types. Here is what you can expect with the main airlines operating this route:

      • Air India

        • Carry-on allowance: 8kg cabin bag up to 55x35x25cm plus personal item

        • Checked baggage: 23kg included with some economy fares

        • Departure terminal: Kolkata Airport (CCU), Terminal 1

        • Arrival terminal: London Heathrow Airport (LHR), Terminal 2

        • Check-in counters: Opens 3 hours before departure, closes 1 hour before

      • Qatar Airways

        • Carry-on allowance: 7kg cabin bag (55x37x25cm) plus personal item

        • Checked baggage: 30kg included with some economy fares

        • Departure terminal: Kolkata Airport (CCU), Terminal 1

        • Arrival terminal: London Heathrow Airport (LHR), Terminal 4

        • Check-in counters: Open 3 hours before departure

      • IndiGo

        • Carry-on allowance: 7kg cabin bag (55cm x 35cm x 25cm) plus personal item

        • Checked baggage: 15kg included with some economy fares

        • Departure terminal: Kolkata Airport (CCU), Terminal 1

        • Arrival terminal: London Heathrow Airport (LHR), Terminal 2

        • Check-in counters: Open 2 hours before departure

      You can access essential facilities including free Wi-Fi, currency exchange services, and numerous shops and restaurants at Kolkata Airport (CCU). The airport also provides baby care rooms, prayer facilities, and medical services for your convenience. ATMs and parking facilities are readily available to ensure a smooth travel experience at Kolkata Airport (CCU).

      Arriving at London Heathrow (LHR)

      Getting from London Heathrow (LHR) to central London

      • London Heathrow to the centre of London has a drive time of around 45 minutes. It's approximately 24 kilometres away.

      • It typically takes 25 minutes if you're travelling by public transport.

      When to fly to London Heathrow (LHR)

      • The quietest month for a flight from Kolkata to London Heathrow is January, while July is the most popular. Pick the ideal time to go to London based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • Before locking in your flight from Kolkata to London Heathrow, consider the type of weather you enjoy. July is the warmest month in London, with the temperature ranging from 11ºC to 26ºC.

      • If you like cooler conditions, search for a cheap ticket from CCU to LHR in January. Temperatures average between 0ºC and 9ºC then.

      Weather snapshot

      The weather in London features mild temperatures, frequent light rain, and gentle seasonal changes that create a temperate climate year-round. Here's what to expect throughout the year:

      • December – February: Winter brings crisp air and shorter days, making these some of the best times to explore London with fewer crowds. Pack layers and a waterproof jacket for the changeable conditions you'll encounter while wandering through museums, markets, and cosy pubs.

      • March – May: Spring arrives with mild temperatures and occasional showers that freshen the air. You'll enjoy longer daylight hours and blooming parks throughout the city. Keep a light waterproof jacket handy for sudden drizzle.

      • June – September: London's summer months offer warm, comfortable weather perfect for exploring outdoor attractions and wandering through parks. You'll enjoy mild temperatures and occasional showers, so lightweight layers and a waterproof jacket work well for sightseeing and walking around the city.

      • October – November: Autumn settles in with crisp air and changing leaves, making it perfect for exploring outdoor attractions and wandering through the city's parks and gardens.

      Sightseeing and travel inspiration

      London blends centuries of history with modern attractions across its diverse neighbourhoods. From royal palaces and historic landmarks to West End theatres and world-renowned museums, the city offers something for every traveller. Whether you're planning flights to London for culture, shopping, or food, you'll find plenty to explore.

      • Things to do in London: Stroll through Hyde Park and rent a pedal boat on the Serpentine Lake, just 2 kilometres west of the centre, or browse the weekend food stalls at Borough Market, about 3 kilometres southeast near the Thames. Head to Hampstead Heath, roughly 6 kilometres north, for panoramic city views from Parliament Hill and a dip in the outdoor swimming ponds.

      • Cultural experiences: Catch a performance at the Royal Opera House in Covent Garden, about 2 kilometres northeast of central London, or browse contemporary art at Tate Modern on the South Bank, roughly 1 kilometre southeast. Sample street food from around the globe at Borough Market, around 2 kilometres south in Southwark, home to traders selling everything from fresh pasta to Indian spices.

      • Seasonal highlights: Experience the Chelsea Flower Show in May when spring blooms across the city's parks and gardens. Summer brings outdoor theatre in Regent's Park and the Notting Hill Carnival in August, making it the best time to visit London for festivals and al fresco dining. Winter transforms the city with Christmas markets at Southbank and ice skating rinks, while cosy pubs offer warmth during the shorter days.

      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 best attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

      • Birmingham is another standout destination in the United Kingdom and is around 161 kilometres north-west of London. No journey is complete without a visit to Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

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