Bereavement fares don't really exist any more. The idea is a relic from the old days when there were two kinds of government-regulated airfares, cheaper APEX and expensive walk-up.

The price for a SEA-SFO roundtrip this weekend (down Friday, back Sunday) looks set at $405, which isn't very good at all. OAK is only a little cheaper at $356. Try Priceline, or perhaps a group of you can get a clump of FF miles together by transferring.