- anywayanyday.com routes/bourgas-istanbul/
- aviasales.ru routes/boj/tr
- biletyplus.by aviabilety/burgas-boj/stambul-ist
- BuyBusTicket.ru avtobus-burgas-bg-stambul-tr
- simpletravel.info kurorty/bulgaria/from-bourgas-…
- bus-bilet.com schedule/burgas/stambul
- 12go.com ru/flights/burgas/istanbul
- virail.com.ua avtobus-burgas-stambul
- Unitiki.com buses/burgas/stambul