I just checked, and these are the only reasons you can cancel your trip using Vantage's policy and get a refund:
Sickness, injury, or death of traveler, travel companion, or family member
Quarantine, jury duty, court order to appear as witness for traveler or travel companion
Traveler or traveling companion’s place of employment damaged due to natural disaster, requiring traveler or travel companion to remain at work
Documented theft or loss of passport or visa
Job transfer
Documented traffic accident causing missed trip departure
Organized labor strike, bad weather, or mechanical breakdown of aircraft for 24 hours or more
Shutdown of airport or air traffic control system for 6 hours or more, preventing trip departure
Emergency military duty resulting from natural disaster for traveler or travel companion
Previously granted military leave revoked for traveler or travel companion
Job termination or layoff with employer