Yes. eSIMAdvice currently lists 16 Breeze Oman plans.
The cheapest Breeze Oman plan is Oman · 1 GB · 7 days · 5G, at $6.49.
Oman · 50 GB · 45 days · 5G has the lowest price per GB right now: $3.42/GB ($170.99 in total).
No coupon is applied to these prices right now.