Want to see more itneresting places on your trip we have some good option for you based on Gulf Air. Open-jaw flights on route Tbilisi - Colombo and returning to London are now available from £265 (€312)! One-way flights between the UK and Georgia are quite expensive (from £100 with Pegasus Airlines) we recommend this option only if you want to spend at least few days in both countries..Fare is including all taxes and checked bag). There is even cheaper option when starting in Istanbul however with long layover in Bahrain..
If interested in this deal with Gulf Air you have to look for flights departing to Sri Lanka between Septembrer and November 2017. Flights from Turkey are also available from now till June. Max stay 6 months. Discount is applicable to bookings made till 15th of April or until sold out.
Booking samples
Istanbul - Colombo - London from £255 (Long layover in Bahrain. We recommend this option only if you want to book multi-stop in Bahrain though since visa entry fee is approx £61)
At this moment the cheapest one-way flights between London and Tbilisi are available from £101 with Pegasus Airlines. Note that checked bag is not included in base fare.
Booking sample of cheap open-jaw flights to Sri Lanka from £265 (€312) here. In this case you would depart from Tbilisi to Colombo on 21st of September. Your return flight from Sri Lanka to London would be on Saturday, 7th of October 2017.