Rules vary by airline, use as a guideline.
If you must travel due to a death in your immediate family, many airlines have a bereavement airfare. Airlines vary as to their offerings, for example, some airlines have a discount off the published fare or give a waiver off an advance purchase fare. The airline will verify your information before giving the discounted rate or waiver. A. A compassion fare applies if you must travel due to a serious illness or imminent death of a member of your immediate family. The airlines will extend the same discounts or waivers to you as with bereavement fares.