Yes. eSIMAdvice currently lists 11 Breeze Eswatini plans.
The cheapest Breeze Eswatini plan is Eswatini · 1 GB · 7 days · 5G, at $14.99.
Eswatini · 20 GB · 30 days · 5G has the lowest price per GB right now: $9.20/GB ($183.99 in total).
No coupon is applied to these prices right now.