BA matching the current LX F sale fare LON-SEA.
£1880 F class
PERMITTED 01JUL 16 THROUGH 31AUG 16 OR 22NOV 16 THROUGH
29NOV 16 OR 19MAR 17 THROUGH 03APR 17 ON THE OUTBOUND
TRANSATLANTIC SECTOR.
As usual, allows 2 connections on AA in the US if you want to bump the TPs. And of course remember AA now run their own metal LAX-SEA which helps.