Yes. eSIMAdvice currently lists 18 Breeze Montenegro plans.
The cheapest Breeze Montenegro plan is Montenegro · 1 GB · 7 days · 5G, at $4.99.
Montenegro · 200 GB · 90 days · 5G has the lowest price per GB right now: $0.91/GB ($181.49 in total).
No coupon is applied to these prices right now.