Round-trip airfare may not be the best deal anymore. Many different airlines, especially low-cost carriers, offer reasonable one-way fares. CBS News travel editor Peter Greenberg has more.

(Photo credit: Getty Images)

<p>Round-trip airfare may not be the best deal anymore. Many different airlines, especially low-cost carriers, offer reasonable one-way fares. CBS News travel editor Peter Greenberg has more.</p>
<p>(Photo credit: Getty Images)</p>

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