To book multi-city flights on Turkish Airlines, you can follow these steps:

1. Go to the Turkish Airlines official website and select the "Book a Flight" option from the homepage.

2. On the flight search page, select the "Turkish Airlines Multi City" option instead of the "Round Trip" or "One-Way" options.

3. Enter the details of your trip, including the departure and arrival airports, dates, and the number of passengers travelling.

4. Add additional flights by clicking on the "Add Flight" button and entering the details of each additional leg of your journey.

5. Choose your preferred cabin class and click the "Search Flights" button to see the available options.

6. Review the flight options and select the one that best suits your needs. Make sure to check the details of each flight, including layover times and airline policies.

7. Follow the prompts to complete your booking, including providing passenger information and payment details.

If you have any issues or questions during the booking process, you can contact Turkish Airlines customer service for assistance.

Turkish Airlines Multi City is a service that allows travellers to book flights with multiple stops in different cities. With Turkish Airlines Multi City, you can plan a more complex itinerary that involves visiting several destinations during your trip.

To use Turkish Airlines Multi City service, you can visit the airline's official website and select the "Multi-City" option on the flight search page. Then, enter the details of your trip, including the departure and arrival airports, dates, and the number of passengers travelling. You can add additional flights by clicking on the "Add Flight" button and entering the details of each leg of your journey. Once you have selected your flights, you can complete your booking and make payment online.

Turkish Airlines Multi City service is a convenient option for travellers who want to visit multiple destinations without having to book separate flights for each leg of their journey. It allows you to save time and money by booking your entire itinerary in one transaction.