How long will you be living in Lisbon for? A few years / decades?
We are looking at least a decade
Upgrades on EU airlines are nothing like on USA based airlines. Always expect to fly in the seats you pay for.
Are you familiar with what short haul UK EU business class is? [economy seats with middle seat unoccupied for most airlines]
yes, not impressed by EU shorthaul.
Will you/can you fly enough on AS to maintain status?
Alaska seems to have changed the rules so it is easier, I think only 6 segments needed. Trips back to the US and domestic travel will favor AS unless another option is more fruitful.
Oneworld partners BA & IB are in that part of the world.
BA fly LHR SEA non stop.
Have you priced out LIS-XXX-SEA fares?
Other than for cucumber sandwiches I try to avoid Heathrow and BA
Wikipedia SEA -->
https://en.wikipedia.org/wiki/Seattl...tional_Airport
Wikipedia LIS-->
https://en.wikipedia.org/wiki/Lisbon_Airport
Staying with OW/AS a practical solution.