Originally Posted by
Schwann
No lounge on return. You may be able to retrieve the EI booking reference to be able to make a seat selection, unsure if it would be free or not though - although I believe the BA codeshares do book into what EI would call a "bundled" fare class so you might be okay?
You can ask BA to give you the Aer Lingus PNR ( easiest way is with the online chat ) .. and then you'll be able to pull the booking up on the Aer Lingus site/app ... but you wont' be able to do anything with it really .. BA bookings are basically 'read only' on the Aer Lingus site/app