Figures from TravelSupermarket show that in the past week there has been a 64% fall in the average price of a seven-night trip to Portugal in July and August 2021.
The holiday comparison site added that clicks on holidays to Portugal had also dropped by 85% week-on-week following the government’s decision.
TravelSupermarket said seven-night family breaks to popular destinations on the amber list this summer were now available from £180pp during the peak school holiday period.
Emma Coulthurst, from TravelSupermarket, said: “It would, in normal times, be fairly hard to find a seven-night package holiday during the summer school holidays from under £300pp.