The UK won't put any restrictions on Australians, as Aus is a *much* lower risk location. Alas, by the same logic, the reverse of that, going from UK to Aus, is more likely be face restrictions. I doubt they will completely lock down travel for Aussie citizens again at the federal level, at least for an extended length of time, but unless Omicron turns out to be a flash in the pan thing (which given everything that's happened so far, I would *not* bet on) I would make the assumption of having to jump through some hoops, prob negative test before flying, then maybe a short 3 day quarantine and another negative test when you get back. It might be wise to plan for a "reasonable worst-case" scenario, and keep aside funds and an empty diary when you get back, enough to cover a 14-day hotel quarantine, just in case. Prob won't come to that, but at least then all your bases are covered and you won't get any nasty suprises, and if it doesn't you can put the points and cash toward a nice lil domestic jaunt