Best ways to redeem Avios: Aer Lingus, British Airways, Iberia

Best ways to redeem Avios: Aer Lingus, British Airways, Iberia

Avios is one of the most flexible airline currencies you can earn, and it is currently one of the cheapest to top up. That's because American Express is offering a 30% bonus when you transfer your Membership Rewards points to British Airways Club, Iberia Club or Aer Lingus AerClub, and the bonus runs through Sept. 27.That covers three separate loyalty programs, each with its own award charts and quirks. If you can move Avios between all seven Av…