Virgin Atlantic, British Airways and Thomas Cook Airlines are flying out to Orlando before the airport closes at 5pm local time on Saturday (10pm BST) to bring back several thousand passengers - mainly to Gatwick but also to Manchester, Glasgow and Stansted.
Flight cancellations continue to affect Miami International Airport.
At nearby Fort Lauderdale-Hollywood International Airport, there were some leaks in terminal roofs and trees were downed in the employee parking lot, but overall damage was minimal, said spokesman Greg Meyer. There wasn't a ground stoppage, but aircraft were delayed in order to increase the spacing between flights in the air.
The shares of airline companies took a hit on Thursday, as Hurricane Irma spurred hundreds of flight cancellations.
Almost 700 flights were canceled Monday at Miami and Fort Lauderdale.
As of 10:55 Friday, 595 flights were canceled coming or going to MIA which is more than half of the average daily schedule. The situation is a particular headache for American Airlines, the country's largest air carrier, which uses Miami as a major hub.
Miami airport's difficulties add to the transportation chaos Irma has inflicted on Florida residents.
"Heavy winds and rain Monday [are] expected to impact some flights", the airline said.
Even if Floridians find gas, it will probably cost more than they're used to paying.
Operations at Key West International Airport have been canceled through Tuesday, Sept. 12.
One woman who tried to leave ended up stranded at the airport after her flight was cancelled. "I talked to somebody this morning and they said the worst case scenario, you won't be kicked out but you will be stuck here".
Allegiant, a major regional airline operating from Florida, says on its website that passengers with reservations to and from select cities will be able to request a one-time change to their travel plans without incurring change cancel fees.
"About 97 percent of all the gasoline supplies you have in Florida comes by barge", he said.
Many passengers said they missed their earlier flights despite being at the airport two hours early because the security lines were so long.
Miami also is a destination for a large number of worldwide flights, and IAG's British Airways and Virgin Atlantic are among carriers that have grounded flights headed there.