easyJet and Ryanair customers who have been delayed, had flights cancelled, or been wrongly told they can't travel, could be owed hundreds of pounds.
The Independent reported last month that both travel operators had wrongly prevented some passengers from flying after overestimating how much time passengers needed left on their passports before they expired. After some Money Saving Expert readers shared experiencing the same issue, MSE has taken a look into what people could be owed.
It comes as new rules, after Brexit, have changed how long a British passport is valid for European travel for. Whereas before you could travel to EU countries right up until your passport expired, now Brits need at least three months left on it.