Brits swarm to airports as foreign travel reopens – with thousands heading off on summer holidays today Updated: 17 May 2021, 12:03 Invalid Date, AIRPORTS across the UK are already seeing huge crowds and long queues as Brits head abroad on holiday for the first time this year. From today, holidays abroad are no longer illegal, meaning families can travel to a number of destinations which are on the UK's green list. 11 Airports are already seeing huge queues as Brits jet off on holiday from today The majority of travellers will be heading to Portugal, one of the few green list destinations which is open to Brit holidaymakers without restrictions like quarantine or travel bans.