With British Airways in 2021.
160€ for 80 Tier points and lounge access isn't bad at all ;).
How to book
The cheapest fares can be found via OTA's, link with prices below.
Flights available January until March 2021.
You can depart Thursdays until Saturdays.
TRAVEL FROM LAST STOPOVER MUST COMMENCE NO EARLIER THAN THE FIRST SUN AFTER DEPARTURE OF THE FIRST INTERNATIONAL SECTOR.
Book the Heathrow Express train from Heathrow airport to Paddington here well in advance to save some money.