before sale
YYZ-CDG for March 2016 - $737 and still $737 today without coupon
sale
$714 (savings of $23).... 3% of $737..
I get more in return from ExpediaForTD (4.5% return), ha
EDIT: I know sale/promo is on BASE FARE ONLY, like always, just throwing the actual prices out there so people don't really think it's 15% off