International airlines are suspending flights to Cuba as the nation continues to face a worsening fuel shortage. As a result, Canada and the UK have both issued government advisories warning their citizens against unessential travel to the Caribbean island. The fuel crisis began after US authorities instituted a blockade against Venezuela's oil shipments to Cuba, cutting off a significant portion of the island's supply. The situation escalated on February 9, when Cuban aviation officials announced the nation was running out of jet fuel. That means planes can no longer refuel in Cuba, making it more difficult for international airlines to fly long-haul routes to the island. Here's what travelers need to know. This story has been updated with new information since its original publication date. Several Canadian carriers have temporarily suspended all flights to Cuba. Air Canada and Air Transat have both halted flights to Cuba until at least May 1, 2026.…