Even the cheapest first class flights will result in sticker shock—if you're eyeing a seat upgrade on a US flight, premium cabins usually cost around three times more than economy class.

That's because for most fliers, business or first class is often prohibitively expensive and a rarity saved for special occasions or occasional upgrades. However, Scott's Cheap Flights ...

There’s plenty of advice about how to find cheap flights ... airlines for tickets in premium economy, business class and first class. Flights must start in the U.S. and Canada, and you ...

and More Starting at $69 We Rounded Up the Cheapest Flights to Mexico This Winter, With Deals Starting at $74 Allegiant's Latest Deals Include Flights to Tampa, Sarasota, and Las Vegas Starting at $38 ...