Business Insider reports that many airlines have experienced a 50% increase in fuel costs in 2018, which has seriously impacted their profits.<br />But despite it all, on Friday, major carriers like Delta, Emirates, Singapore, Southwest, Norwegian, and JetBlue are still offering Black Friday deals. <br />Some of the standout offers include: <br />1. Southwest: $125 discount on US vacay packages. $250 discount on international vacation packages. Available until December 3.<br />2. <br />
