Originally Posted by
redvelvetmartinis
Yes, you can do that - but you will need a letter from the doctor saying that you were unfit to fly. IME, SQ has been pretty accomodating in offering full refudns, both for cash and miles, when there is evidence of a medical issue.
Really? Not my experience, especially not for illness, but good to hear if it worked for others. Also, keep in mind that this is all after the fact and the ticket has already been cancelled and refunded. No harm trying by the OP, but I would be less optimistic than you. YMMV.