Originally Posted by
cbrown5294
I am trying to book a
multi-city tix to Europe and if I search by price it all looks fine until I go to select to purchase then I get the unable to process request. Of course I can only use at united.com it states but I called the support line and got nowhere. Anybody had experience with these certs?
I wish I could call the 1P line to do this.....

I used one recently and just looked over the Terms and Conditions section again. Here you go:
10. Valid Routing: To take advantage of this discount you must travel from any city in the United States, Puerto Rico, U.S. Virgin Islands, Australia, Canada, China, France, Germany, Hong Kong, Japan, Mexico, Netherlands, Singapore or United Kingdom served by United or United Express to any city served by United or United Express worldwide during the above travel period. You must travel only United-marketed and operated flights for your entire itinerary, and you must follow a permitted routing. Circle trips
and trips with multi-city itineraries, do not qualify for this offer.