Kolkata, West Bengal to London, Greater London from $307: 7 ways by bus, train, flight or car

• Onboard services for your train journey from Kolkata to London will vary depending on the operators. Currently, you could consider using the service of the Eastern Railways to depart from Kolkata and the Eurostar for your journey across Europe. Catering services on major train lines offer a selection of meals, snacks, and beverages, catering to various dietary requirements. Pre-booking meals might be a good idea for a seamless experience.

• Seating options for your trip will depend on the train you choose. Indian Railways offers Sleeper Class, 3AC, and 2AC coaches from Kolkata. Meanwhile, for the Eurostar leg, you can select from Standard Class, Standard Premier, or Business Premier. For a more comfortable experience with additional amenities, consider investing in a Business Class seat when traveling with Eurostar.

• Two main operators for this journey are Indian Railways (indianrailways.gov.in) and Eurostar (eurostar.com). Remember to check their websites for schedules and ticket bookings. For local transportation and station facilities in London, you can refer to Transport for London’s website (tfl.gov.uk) for maps, schedules, and dining options near the station.

• Check for direct flights with British Airways and Air India, as they offer the most convenient routes between Kolkata and London, allowing you to skip layovers and save time.

• Upon arrival at London Heathrow Airport (LHR), follow the signs to the ' Heathrow Express' or 'London Underground' for quick transfers to the city, and be prepared for a busy customs area; after clearing customs, be sure to check live updates for transport schedules.

• Expect taxi fares from Heathrow to central London to be around £55-£85 (approximately $75-$110), depending on traffic and time of day; consider using ride-sharing apps like Uber for potentially lower rates or take the Heathrow Express for a faster, albeit pricier, option.