'cheap airfares' is correct and usable in written English.
You can use it when you want to talk about cheaper prices for air travel, for example: "We found some great cheap airfares for our vacation to Spain."
IS it still possible to find cheap airfares?
Pray for Cheap Airfares I met this girl when I lived in New York.
The big challenge for summer travelers this year is finding cheap airfares.
The era of cheap airfares will come to an end, but the old seem to prefer cruises.
Why? Could it be that wealthy Republican donors want cheap airfares subsidized by the rest of us?
Theirs was a generation nostalgic for cheap airfares to Moscow and proud of Georgia's most infamous son, Joseph Stalin.
Mutual admiration, and cheap airfare, brought the members of Rhye together.
When summer camps for children and cheap airfare for adults provided other options, most resorts collapsed.
FOR decades, the signs along East 116th Street have promoted cheap airfare to San Juan and Mexico City, and the restaurants and bodegas have hawked cuchifritos and tacos.
PAGE 1 NO PEANUTS WITH CHEAP AIRFARE Spirit Airline's specialty is the supercheap ticket, sometimes going for as little as $9 one way.
SUMMER is half over and you still haven't found that cheap airfare to paradise that everyone seems to be talking about.
