Yes. eSIMAdvice currently lists 18 Breeze Estonia plans.
The cheapest Breeze Estonia plan is Estonia · 1 GB · 7 days · 5G, at $3.99.
Estonia · 200 GB · 90 days · 5G has the lowest price per GB right now: $0.57/GB ($113.49 in total).
No coupon is applied to these prices right now.