For technophobe travelers, extra fees abound.

Request a mailed copy of your itinerary from Virgin America, for example, and it will run you $20.

Spirit, meanwhile, currently charges $5 for any boarding pass printed by an airport agent. On April 16, that fee will go up to $10.

In addition to cutting printing and mailing costs for the airlines, the fees are indicative of a growing push toward self service at the airport, Hobica said.

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