To book your duo seat just add the seat when making an adult or child booking on the passenger dropdown menu on the flight search form on the home page.
The price for Duo Seat will be displayed on the next page with you main seat fare. Prices for Duo Seats are no more than 70% of the main fare less the taxes, making it an attractive option.
You can then choose your main seat and adjacent Duo Seat from the seat map on the Seat Selection Travel Extras page.
If you have already made a flight booking you can enquire about Duo Seat availability and purchase by calling 177.