no-frills

adjective

1. providing or including basic services and necessities without any additional features or amenities: Food and beverages are not covered by the low no-frills air fare.
2. no-name.
3. unadorned; simple; plain; spare: a straightforward, no-frills package of health-care benefits.

adjective

1. offering only a basic service in order to keep costs lowa no-frills airline

adj.1957, from no + frills. The expression no thrills meaning “without extra flourishes or ornamentation” is in use from 1870s; the original notion probably is of plain clothing. Man with no frills (American) a plain person, a man without culture or refinement. An amiable term to express a vulgar fellow. [Albert Barrere and Charles G. Leland, “A Dictionary of Slang, Jargon & Cant,” Ballantyne Press, 1890]