Free airfare based on select Apr 2024 departures of Tulips & Windmills. Call for details. Air prices are per person based on cruise or cruise tour check-in date and include transfers. Air seats are limited; airfares are subject to change until full payment of air is received. Airfares vary on other gateways and departures. Air offers not valid on Alaska, Hawaii, San Juan and Mexico City; call for details. Ask for Offer RS24. Offer may be withdrawn at any time without prior notice. Offer expires Feb 29, 2024.