Originally Posted by
BizFlyin
So they would still need to buy Avios, even one-way. Not worth it.
Lowest price SEA-BCN $2141 per person.
Even buying a return and throwing away the return sector $1000 per person.
Avios 65000 + £334 + £159 for buying 9k avios
If the OP is short of cash, it's def worth it. Cash outlay of £493 against at least $2000