Originally Posted by yyz-kin

So, booking a flight and priced out one way as follows:
Outbound booked one way:
YYZ-IST-SIN on TK and SIN-KUL on SQ. Cost for 2 = 141.12
Return booked as one way:
kul-ist-mad in tk and mad-yyz on AC. Cost for 2 = 440.20.

If I book a return trip it costs out at 1,311.32 for 2.

Does AC impose the surcharge to all flights? Based on the above, the return cost should be 581.32 yet it is 550 more.