Kolkata to London flight deals
CCU → LHR · London, UK · Visa needed for Indian passports
Typical price
₹68,999
Good price is under
₹66,429
All-time low we've seen
₹57,226
90-day average
₹71,652
Cheapest month: Feb 2027
Lowest return fare seen for each departure month, CCU → LHR.
- Nov 2026₹68,661
Seen 6 Oct · no live fare right now
Diwali rush
- Dec 2026₹70,725
Live now ₹78,650 · seen ₹70,725 on 27 Sep · 15 Dec on Google Flights
Xmas–NY rush
- Jan 2027₹71,182
Live · 15 Jan on Google Flights
Xmas–NY rushRepublic Day rush
- Feb 2027₹66,883
Live now ₹69,070 · seen ₹66,883 on 27 Sep · 15 Feb on Google Flights
- Mar 2027₹85,190
Live · 15 Mar on Google Flights
Eid rushEaster rush
From 7 departure dates checked in the last 14 days. “Live” means checked in the last 48 hours; older fares may have changed. Red tags mark Indian holiday rushes, when fares out of India tend to rise.
When to book
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.1% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −0.9% to 0.0%.
- Under 2 weeks+6.1%
- 2–4 weeks−0.7%
- 1–2 months−0.8%
- 2–3 months0.0%
- 3+ months−0.9%
How far ahead the fare was booked, versus that departure date's average price, so the season doesn't skew it. All routes: 8,979 departure-date samples.
Fly from another city
Cheapest live return fare to London from other Indian airports. Getting to that airport costs extra.
- From DelhiDEL · 18 Feb₹48,262₹20,808 less than from Kolkata
- From MumbaiBOM · 19 Oct–20 Oct₹48,327₹20,743 less than from Kolkata
- From KochiCOK · 18 Feb₹50,611₹18,459 less than from Kolkata
- From ChennaiMAA · 11 Feb₹50,744₹18,326 less than from Kolkata
- From AhmedabadAMD · 18 Feb₹53,511₹15,559 less than from Kolkata
Kolkata to London: questions
What is the cheapest month to fly from Kolkata to London?
Across 5 departure months, Feb 2027 has the lowest return fare we've seen in the last 14 days: ₹66,883. The priciest is Mar 2027 at ₹85,190. Fares change daily, so check the live price before you book.
How far ahead should I book Kolkata to London flights?
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.1% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −0.9% to 0.0%.
Do Indian passport holders need a visa for UK?
Indian passport holders need a visa for UK before travel. Allow about 28 days for a first-time application. Standard Visitor visa with VFS biometrics, about 3 weeks; paid priority options exist.
What is a good price for a Kolkata to London flight?
A return fare under ₹66,429 is a good price on this route. The typical fare is around ₹68,999, and the lowest we've ever seen is ₹57,226.
How often does FlyBun check Kolkata to London fares?
Every 4 hours, across departure dates months ahead. When a fare is cheaper than most FlyBun has seen on this route and at least 20% below its typical price, it's published as a deal and everyone watching this route gets an alert.
FlyBun checks fares from Indian cities every 4 hours and alerts you free when they drop.