If you are an Iberia Plus member, you can collect and use Avios with any airline in the oneworld Alliance without being a member of their frequent traveller programmes. Furthermore, if your Iberia Plus level is Plata or above, you will be eligible for preferential check-in, seat selection, extra baggage, priority on waiting lists and other advantages. Discover the level you get with your Iberia Plus membership and check your benefits when you fly with other oneworld airlines.