Originally Posted by
CMK10
You are supposed to, though there are reports (including one from me) of the agents at SFO playing by their own rules and insisting the GF flight has to leave from SFO for access.
Maybe I was lucky but I had no issues getting GFL access at SFO with an SFO-LAX-LHR F ticket (and SFO-LAX was in coach). The agent was helpful enough to gives a heads up that the domestic flights wouldn't be announced in the lounge.