Qatar Airways have a nice deal on flights to Dubai. It’s not the cheapest but who wants to fly Ukraine International for £188? The dates run from January to June 2022 departing from London. If you’re departing from London Gatwick (LGW) you’ll be on Qatar’s Boeing 787 review here. If you’re flying London Heathrow (LHR) you’ll be on the Airbus A350 review here. You have to route through Doha but given it was recently rated the worlds best airport with a big old teddy, it isn’t too bad. If you can I would try and get a stopover in Doha too as IMO, it’s nicer than Dubai.
A quick Google Flights search (Departure – LON, Destination – DXB) with the filter set to either OneWorld or Qatar and the calendar shows you all the cheap dates.
Alternatively you can use an Online Travel Agent to bring the price down £10-20 (LON-DXB £270).