day return

day return (plural day returns)

1. (travel, UK) A reduced-price fare and ticket for a journey on public transport out and back in one day.
   • 1959 March, “Talking of Trains: Railbuses on the W.R.”, in Trains Illustrated, page 121:

     Special cheap day return facilities have been introduced to popularise the railbuses.

• return ticket

• “day return”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

• return day, undertray