Moderator: American AAdvantage, Signatures
Join Date: Jan 2008
Location: London, England
Programs: UA 1K, Hilton Diamond, IHG Diamond Ambassador, National Exec, AA EXP Emeritus
Posts: 9,765
If you know someone going to the US, I believe you could use your voucher for that person's travel as long as you're the one presenting the voucher. I'd suggest doing it at the airport; it's probably a pain to get there, but I've never trusted vouchers over the phone and sent in by post myself.