low-cost
adjective /ˌləʊ ˈkɒst/
  /ˌləʊ ˈkɔːst/
[usually before noun]- below the usual cost; cheap
- low-cost housing/transport/food
 
 - producing or supplying something that is cheap or costs less than usual to buy 
- a low-cost airline
 - They can now successfully compete against low-cost foreign producers.