The campaign has raised more than £50,000 but is aiming for £200,000.
Sarah Dawson, chief operating officer for Space for the Wild, said the flights for the bears were expected to be expensive.
“It’s a long way here from South Korea and they’ve had a very difficult life. We want to make sure they’re as comfortable as possible on the flight here,” she said.
“Plus the crates, plus people to look after them on the flights, veterinary care, even the forklift trucks to lift the crates up on to the plane are expensive, so it all adds up.”
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