Lehigh Valley International Airport is No. 11 on Cheapflights.com's annual Airport Affordability Report.
It ranked just below Harrisburg, which came in at No. 7.
The travel website said the index is an annual snapshot of airfares across the nation.
It said that alternative airports serving bigger cities and/or ones based in smaller markets – often just outside major metros – tend to fare well in the rankings.
It said that analysis shows these airports frequently offer low-cost options for short hops and can even deliver valuable savings for long-haul flights, though it may mean travelers have to take a more indirect route.
"Our goal, as always, is to give people insight into how airports in their hometown, or the destinations they care about, stack up. We also want to point out the value of being flexible and thorough when making travel plans," said Melisse Hinkle, Cheapflights.com site editor.
Charles Everett, executive director of LVIA, said that has been the message that the airport has been trying to get out for some time.
"When you see a low-cost fare, that's all people see sometimes, we ask that they look at the overall cost of service for parking, distance traveled, convenience," he said. "We ask people to do some investigating."
In the meantime, he said, the airport is continuing to work to develop expanded service with more destinations and increased flights to add to the convenience the airport can offer travelers.
Philadelphia International ranked No. 47 on the list, while Newark in New Jersey ranked No. 93.
To view the entire list, visit www.cheapflights.com/travel/101-airports-ranked-on-affordability-2013.
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