For 220 tier points, I'd probably lean towards one longer CE flight (80 tier points each way), whichever one you fancy that's on sale, then shorter CE return. Have a play with the low price finder on the BA website, coupled with this handy post from Raffles from last week. For bonus marks, tie it in with the current IHG promotion (assuming a new account), mattress-hop on the first trip, splurge on a lovely IC for the second