Sadly, it's impossible to generalize, although I'd say that if you find a domestic fare under $250 round-trip with taxes, or an international one in the $500-$600 range round-trip, you might want to strike quickly.
Yahoo! Buzz US: Top Stories, Yahoo Buzz: Travel
Tue, 03/30/2010 - 5:48am
Sadly, it's impossible to generalize, although I'd say that if you find a domestic fare under $250 round-trip with taxes, or an international one in the $500-$600 range round-trip, you might want to strike quickly.