Originally Posted by
carrotjuice
Flying J, she can ignore the instruction to use Marhaba. Instead she can patronise the much nicer QF J lounge or QR lounge or BA lounge all at T1.
Which of these three is the best one, the QR lounge? Also, how do the QF and BA ones compare?
Originally Posted by
carrotjuice
Presumably, it costs less for the operating airline to use their contracted lounge.
This is the only reason that comes to mind, barring not wanting to show pax that other OW airlines have their own dedicated lounges at SIN (especially since there are at least 4 of them)? But I'm guessing it all comes down to the fees.