A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,399
If the RT isn't significantly cheaper than two OW tickets, it can make sense not to book as a RT. OTOH, if you do this, be sure to have documents showing the return flights printed for check in and immigration rule checks.