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⏰ Four days. Up to 30% off. RIU Hotels & Resorts across Mexico — Cancún, Riviera Maya, Puerto Vallarta, and Los Cabos. Sunwing's Cinco de Mayo Flash Sale is live now through May 9, 2026, with savings of up to 30% on select all-inclusive RIU packages for travel between May 6 and October 31, 2026. Packages include flights by WestJet from Toronto, Vancouver, Montreal, and Edmonton. Contact us today for current RIU resort options and pricing from your departure city — seats are l