Originally Posted by emcampbe (Post 32128035)

united handles point of sale by credit card billing address. So will change the price to the local point of sale, based on billing address. If your CC is Canadian with Canadian address, and you start searching from US site, you’ll get the pricing swotcheroo. Sometimes, it’s not much of a difference. Sometimes it is. There can be different class availability, and exchange rate isn’t necessarily up to date.

Online OTAs should let you bill to whatever card you want, so that’s one solution.