Holidaymakers in Sharm el-Sheikh will be flown home today, but passengers will only be allowed hand luggage.
Planes are banned from carrying bags in the hold, amid fears that a bomb brought down the Russian Metrojet plane in Egypt last week.
US President Barack Obama has been giving his reaction to CBS Radio about the situation.
“I think there is a possibility that there was a bomb on-board and we are taking that very seriously,” Mr Obama said.
“We’re going to spend a lot of time just making sure that our own intelligence community figure out exactly whats going on before we make any definitive pronouncements.”
Airlines including Thomson, Monarch and EasyJet say they will resume flights to the UK and there may be Irish passengers on board, who booked through British operators.
Security expert Chris Phillips has said no one should be afraid of getting on a plane today.
“I think that the planes that are likely to be flying in and flying out over the next few days are going to be probably the safest flights ever because of the levels of security acquired. The important thing then though is what happens in the future and how the security is maintained.”