Southwest Airlines Vacations: Hawaii Sale - Take Up to $150 off When You Purchase a Flight and Hotel Package of $1,500 or More. See site for details. Book: 4/2/2024 thru 4/29/2024 by 6 PM CST Travel: 4/3/2024 - 1/6/2025 One-day advance purchase is required. Restrictions, exclusions, and blackout dates may apply to hotel offers. Exp: 30 Apr 2024