This work presents an experimental and numerical investigation of premixed flame propagation in a constant volume combustion chamber ignited by multiple sparks. The combustion chamber consists of an aluminum channel with an aspect ratio of six. Optical windows along the length of the channel enable visual imaging. Ignition is followed by an accelerating spherical flame front, which subsequently decelerates to form a “tulip”-shaped flame front. Eventually, this tulip flame is extinguished by collision with the opposing flame front ignited at the other end of the channel. Numerical simulations examine the influence of the flow field on the structure and morphology of the flame. The three-dimensional numerical simulation is compared with experimental results. An investigation of flame oscillations for various time delays between the two sparks is performed. The flow field is analyzed by using the corresponding numerical simulation.