Originally Posted by
Palal
You still haven't mentioned why you want to purchase these tickets separately. Worst case scenario, buy two RTs and forget to fly the return leg on each. Just make sure not to do it on the same airline
.
Personal reasons - I won't know the dates of my return flight for a while and I need to buy my first ticket very soon.
That's not a bad idea, actually...although a RT from BCN to SEA is still expensive, the cheapest is $1,122. Still, better than the other option!