Hopper is having a flash sale for $50 off flights to London. This coupon is set to expire 05/20 @ 2:00 AM.
British Airways, Finnair, and Iberia have round-trip flights from Austin (AUS) to London, United Kingdom (LHR) for $648, NONSTOP. If you apply the Hopper coupon, the cost of the round-trip is about $598. Flights September to February. Departures on Monday, Tuesday, Wednesday, and Sunday. 7-day minimum stay required. No Thanksgiving dates. Flight may operate as an AA code-share.
Click for more details and booking links Nonstop Flights: Austin to London, United Kingdom $598-$648 r/t [September-February] (Use $50 off coupon) – British Airways / Finnair / Iberia