Originally Posted by
Mwenenzi
Before STO what is/was home? Is living in Sweden for ever, long term or temporary (up to a few years)?
For upgrades the general rule is you can only upgrade a flight marketed (flight number) and operated (metal) by the airline of your freq flyer programme (no codeshares) with your airlines upgrade instrument (e.g. SWU) . All subject to the t&c's of your FFP and your paid ticket. Low cost tickets are often not eligible for upgrades. However as is the way with FFP's there are some upgrade exceptions including on some across Star Alliance airlines with higher priced Y & B fare. What airlines are likely to fly STO-BOS and can you/employer buy the higher priced tickets?
Thanks so much for getting back to me. Boston was home previously, and STO is temporary (3-5 years). The two airlines that have the best flights are United and Lufthansa. As for the higher cost fares, I'm not completely sure, but kind of doubt it.