Luton Airport passengers have posted videos on social media of flooding inside the building after heavy rainfall caused water to pour through the terminal roof.
The airport reported damage at a number of locations.
An airport spokesman said: "Following a period of unprecedented rainfall, we have experienced water damage in a number of locations.
"We apologise for any disruption to services while we seek to resolve the issue."
Click here to see the video.
The flood happened on Friday night, during bad weather that caused travel problems on trains and ferries.
Stormy weather caused a major power cut affecting many parts of the country, which caused huge disruption to railways. Newcastle Airport suffered a 15-minute blackout.
Image: Sky News
