A goal from Arda Turan settled the game for the visitor which was forced to hold on after Suarez's dismissal.
Suarez was given his marching orders for a second bookable offence after handling the ball, leaving his team-mates to see out the last 20 minutes with only 10 men.
Atletico, which cut the gap on Primera Division leader Barcelona to three points with the win, was already a goal ahead by then as Turan finished off
Levante climbed to fourth as goals from
Martins opened the scoring five minutes before half-time with his fifth goal in eight games since joining Los Granotes, but the host was given a great chance to get back into the game when
Riki blasted the resulting penalty over the bar and, after the numbers had been evened up as Depor goalkeeper
The pressure was on Michel's side to produce the goods after a recent slump in results and it never looked back after taking the lead in the opening seconds through Reyes.
It was two up inside five minutes thanks to Fazio and further first-half goals from the pair ended the match as a contest.
Betis' evening was compounded when
Mallorca ended a run of six consecutive league defeats by earning a valuable point in a 1-1 draw at Celta Vigo.
Two goals in four minutes from
Alexis headed home at the back post from