Departure: 2026-09-21 · in 11 days · Prices tracked live by Tripfik
As of September 2026, the cheapest one-way flight from Kolkata to London is ₹27,430, which is 32% below the 12-month average of ₹40,082.
Cheapest Kolkata to London flights
Under ₹35,505 = top 25% best fares on this route
Round-trip fares — Kolkata ↔ London
Booking at the right time saves up to ₹21,687 (45%) vs average RT price.
Best time to visit London from Kolkata
| Month | Typical OW fare | Verdict | Weather | Crowd |
|---|---|---|---|---|
| Sep | ₹35,840 | Great value | Mild/Rainy | High |
| Oct | ₹37,777 | Great value | Cool/Rainy | Medium |
| Nov CHEAPEST | ₹36,663 | Great value | Cool/Rainy | Medium |
| Dec | ₹35,805 | Great value | Cold/Rainy | High |
London — what to know
From Kolkata, Air India,Air India Express,Air France,Ethiopian,KLM,LOT,Lufthansa,Lufthansa City Airlines,SWISS,Singapore Airlines,Emirates,Etihad,Brussels Airlines,IndiGo,British Airways,Turkish Airlines,Virgin Atl fly to London in 12h 58m.
Sticker visa required — UK Standard Visitor visa required for Indians; cost ~₹12,000, processing 3-4 weeks; proof of funds, accommodation, return flight needed Visa fee is approximately ₹12,000. Apply well ahead of travel and keep proof of your return flight, accommodation and funds ready when you submit your application.
Other international flights from Kolkata
Last updated 10 Sep 2026 · Tripfik tracks live fares from all major Indian airports