Purpose: To describe flow as experienced by people diagnosed with and treated for head and neck cancer. Method: A descriptive design based on a deductive qualitative content analysis was used to explain Csikszentmihalyi's flow theory from the perspective of people living with head and neck cancer. Interviews were conducted with seven participants diagnosed with and treated for different forms and stages of head and neck cancer. Results: Experiences of flow were associated with people's interests, skill levels and actions involving and creating both happiness and the feeling of something worth living for. Optimal flow was a state of consciousness in which mind and body work together, and the people were completely absorbed in an activity related to nature, hobbies or family. Microflow occurred as part of everyday life, relieving stress and anxiety and helping them to focus on their daily routines. This included humming, listening to the radio or watching TV. Conclusions: The peoples inner strength and desire to feel better made flow possible, and they used unknown skills that enhanced self-satisfaction. Managing self-care activities increased feelings of control, participation and enjoyment. This calls for person-centred care with a salutogenic approach based on the peoples own interests, skill levels and actions; what makes the person feel happy.