Now BA fares from London Heathrow are priced in a slight premium (see further underneath) so the sweet spot would want to maneuver up a bit on the size. Volunteer to Give Up Your Seat: In case your flight is overbooked, airlines may supply incentives to passengers who volunteer to https://businessflightshop.co.uk/blog/why-should-shouldnt-you-not-upgrade-to-first-class-or-business-class/