TUI fly Deutschland, formerly TUIfly, is a German leisure airline owned by the travel and tourism company TUI Group. It is headquartered at Hannover Airport with bases at several other German airports. TUI fly Deutschland is part of the airline unit of the TUI Group.

TUI fly Deutschland offers both charter and scheduled flights with about 60% of all seats sold directly, 30% as a part of a TUI holiday package and 10% by other agencies. TUI fly Deutschland itself offers drinks, snacks, and meals on flights to and from Cape Verde, Egypt, Greece, Israel, southern Italy, Morocco, Portugal, Spain including the Canary Islands, and Tunisia. Hot meals are served on the longest flights, including those to the Canary Islands, Cape Verde, Egypt, and Madeira