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Why do Heathrow flights cost more than other airports?

The aviation regulator has proposed capping landing fees at Heathrow Airport, so that the annual rise between 2014 and 2018 is no more than the retail price index (RPI).

Heathrow had submitted a plan to the Civil Aviation Authority seeking to raise annual tariffs for airlines by 4.6% above RPI inflation.

BBC Fast Track travel expert Simon Calder said Heathrow was unique among the world's airports because it was so busy that passengers had been paying more in "arcane" service charges.

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