It’s usually a bad idea to transfer points between airline and hotel programs, as most often, you lose value in the transfer. One notable exception is the Marriott Bonvoy airline transfer program. Another exception: transferring Avios at a 1:1 ratio between Aer Lingus AerClub, British Airways Executive Club and Iberia Plus. All three of these…

JT Genter writes for NerdWallet. Email: travel@nerdwallet.com.

The article How to Transfer Avios Between British Airways, Iberia and Aer Lingus originally appeared on NerdWallet.

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