$270 Cheap Flights from Kolkata (CCU) to London (LHR)

View $270 flight on Mon, Jun 23, 2025Opens in a new window

Popular airlines from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR)

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Find available prices by choosing your travel dates.

Cheap Flights from Kolkata to London (CCU-LHR)

Prices were available within the past 7 days and start at $270 for one-way flights and $605 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Thu, May 22 - Sat, Jun 14
CCU
Kolkata
LHR
London
$605 Roundtrip, found 1 day ago
$605
Roundtrip
found 1 day ago
Select Air India flight, departing Thu, May 22 from Kolkata to London, returning Sat, Jun 14, priced at $605 found 1 day ago
Air India
Thu, May 22 - Sat, Jun 14
CCU
Kolkata
LHR
London
$609 Roundtrip, found 1 day ago
$609
Roundtrip
found 1 day ago
Select Air India flight, departing Thu, May 22 from Kolkata to London, returning Sat, Jun 14, priced at $609 found 1 day ago
Air India
Mon, Jun 23 - Sun, Jun 29
CCU
Kolkata
LHR
London
$613 Roundtrip, found 4 days ago
$613
Roundtrip
found 4 days ago
Select Air India flight, departing Mon, Jun 23 from Kolkata to London, returning Sun, Jun 29, priced at $613 found 4 days ago
Etihad Airways
Sat, Jun 7 - Tue, Jun 17
CCU
Kolkata
LHR
London
$615 Roundtrip, found 16 hours ago
$615
Roundtrip
found 16 hours ago
Select Etihad Airways flight, departing Sat, Jun 7 from Kolkata to London, returning Tue, Jun 17, priced at $615 found 16 hours ago
Air India
Thu, Jun 19 - Wed, Jul 2
CCU
Kolkata
LHR
London
$617 Roundtrip, found 16 hours ago
$617
Roundtrip
found 16 hours ago
Select Air India flight, departing Thu, Jun 19 from Kolkata to London, returning Wed, Jul 2, priced at $617 found 16 hours ago
Etihad Airways
Sat, Jun 7 - Sat, Jun 14
CCU
Kolkata
LHR
London
$628 Roundtrip, found 17 hours ago
$628
Roundtrip
found 17 hours ago
Select Etihad Airways flight, departing Sat, Jun 7 from Kolkata to London, returning Sat, Jun 14, priced at $628 found 17 hours ago
Etihad Airways
Sat, May 24 - Fri, Jun 6
CCU
Kolkata
LHR
London
$631 Roundtrip, found 12 hours ago
$631
Roundtrip
found 12 hours ago
Select Etihad Airways flight, departing Sat, May 24 from Kolkata to London, returning Fri, Jun 6, priced at $631 found 12 hours ago
Qatar Airways
Thu, May 15 - Thu, May 22
CCU
Kolkata
LHR
London
$673 Roundtrip, found 6 days ago
$673
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Thu, May 15 from Kolkata to London, returning Thu, May 22, priced at $673 found 6 days ago
Emirates
Wed, Sep 17 - Tue, Sep 30
CCU
Kolkata
LHR
London
$788 Roundtrip, found 2 days ago
$788
Roundtrip
found 2 days ago
Select Emirates flight, departing Wed, Sep 17 from Kolkata to London, returning Tue, Sep 30, priced at $788 found 2 days ago
Swiss International Air Lines
Fri, Jul 18 - Mon, Aug 11
CCU
Kolkata
LHR
London
$935 Roundtrip, found 11 hours ago
$935
Roundtrip
found 11 hours ago
Select Swiss International Air Lines flight, departing Fri, Jul 18 from Kolkata to London, returning Mon, Aug 11, priced at $935 found 11 hours ago
Flights from Kolkata (CCU) to London (LHR)
Origin airport
Netaji Subhash Chandra Bose Intl.
Destination airport
Heathrow
Airlines serving
Air France, Air India, Emirates, Etihad Airways, KLM, LOT-Polish Airlines, Lufthansa, Qatar Airways, Swiss International Air Lines, Thai Airways International, Turkish Airlines, Virgin Atlantic
Roundtrip price
$605
Distance
4960 mi

Kolkata to London Flights

The cheapest times to fly from Kolkata to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kolkata to London are during the month of May. You can find some of the cheapest flights from Kolkata to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Kolkata to London

Sunday is one of the best days to book for cheap flights from Kolkata to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Kolkata to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kolkata to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $270 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kolkata to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kolkata to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR) cost?
Discover the latest flight deals from CCU to LHR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CCU to LHR?
The cheapest flights from CCU to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CCU to LHR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CCU to LHR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR)?
There are no daily nonstop flights from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be soaring above the clouds in no time at all.
What day of the week has the most flights from CCU to LHR?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR)?
To avoid potential delays on the Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR) last-minute?
Holding off until just before your trip to book your flight from CCU to LHR generally means paying more. While you might find some last-minute discounts, they’re not always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a CCU to LHR flight and hotel package?
Compared with arranging flights and hotels separately, booking a CCU to LHR flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Heathrow Airport (LHR)?
If you reserved your CCU to LHR flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.