A bit pricey, yes, but we're talking about London. Great food, good sized portions and consistent food and service. Considering airplane food these days, Wagamama gives you an opportunity to satisfy your cravings before boarding. They also have takeaway service in case you want to make your fellow passengers jealous on board.
If you own or manage Wagamama - Heathrow T5, register now for free tools to enhance your listing, attract new reviews, and respond to reviewers.