In Memoriam, FlyerTalk Evangelist
Join Date: Jul 2002
Location: Durham, NC (RDU/GSO/CLT)
Programs: AA EXP/MM, DL GM, UA Platinum, HH DIA, Hyatt Explorist, IHG Platinum, Marriott Titanium, Hertz PC
Posts: 33,857
I also have had no problem using them at my next airport. I do always tell the server/counter person right away "I'm going to be using a meal voucher" so they know. Just remember you can't get change from them.