There is an London and domestic Flash sale on at the moment in EuroTraveller, book by Monday 22 January 23:59 hrs. Both Plus and Basic.

Locations offered
ABZ, AMS, ARN, BEG, BHD, BLL, BLQ, BRU, BSL, CAI, CDG. CGN, CPH, DUB, DUS, EDI, FRA, GOT, GVA, HAJ, HAM, INV, IST, JER, LCA, LIN, LIS, LJU, LUX, LYS, MAN, MXP, NCE, OSL, OTP, RIX, SAW, STR, TLS, VIE