supersaver

[ soo-per-sey-ver ]
/ ˈsu pərˌseɪ vər /

noun

a specially reduced fare, as for passengers reserving tickets in advance or traveling during off-peak periods.
any item on which there is a specially reduced price: The grocery's supersavers this week include oranges, canned peas, and sugar.

adjective

of or at a specially reduced fare or price.

Origin of supersaver

1975–80, Americanism; super- + saver