Qantas Lounge in London Heathrow Terminal 3 review. Location The Qantas lounge is located in Terminal 3 of London Heathrow Airport. Once in the Terminal, follow the signs “airline lounges”. The other oneworld lounges of Cathay Pacific and British Airways are also located nearby. Food & Drinks The lounge features a solid buffet with a … Continue reading Lounge Review: Qantas Lounge London Heathrow Terminal 3