A lucky Mega Millions ticket holder in Florida is now $800 million richer after Tuesday night’s drawing, the lottery said. It’s the biggest Mega Millions jackpot win of 2026. The cash payout for Tuesday’s Mega Millions jackpot is an estimated $344.2 million. A Florida ticket winner also received the game’s biggest jackpot of $1.6 billion in 2023, according to Mega Millions. The chances of winning a Mega Millions jackpot are one in 290 million.