Are Chest Flys Necassary?

[absf]

On my upper day I do three sets flat bench and and three sets incline dumbbell 6-10 reps. I also do dips but I don't go past parallel and try to stay upright, so I don't think it hits my chest. On my second day, I do flat incline dumbbell 8-12, and then depending on whats available or which one I want to do, it's either flat dumbbell for 8-10 or flat bench 6-8 and I do upright dips again. I've seen a lot of comments saying that flys are really useful for chest AFTER your presses. The only thing is that I don't want three chest exercises and 9 total sets for chest in one workout. So I was wondering if I should either replace incline on my second day with a cable fly, alternate weekly between incline and flys (week A I do flat bench + incline, week B I do flat bench + flys) or if I should just do flat bench, incline dumbbell, and flys all in one workout.

[air2fakie]

No exercise is "necessary". Do whatever you want. (srs)

[paulinkansas]

I don't want three chest exercises and 9 total sets for chest in one workout.

I just do 2 chest exercises for a total of 4 sets twice a week. But I'm a geriatric, incontinent feeble grandmother of 60 years of age as you can see.

[StephenCGreen]

This is one exercise where cable trumps freeweight for most. But if you do dumbbell presses in multiple rep ranges, then fly is not necessary. It might still be more fun to add for variety.

[Bruno93]

Flies are great as it really emphasizes the stretch. However, it's not a MUST. In fact, I'd be hard pressed to find a single exercise that I'd consider a must. Pick exercises that are fun for you and get you a great SFR (stimulus to fatigue ratio).