Fuel costs are down but may rise again soon.

Trips from the U.S. to Europe especially are surging this summer. And that has consequences for domestic airlines—and airfares.

A lot of people want to fly, and airlines have fewer seats to sell.

Would you pay an additional $60 for extra legroom? Airlines are betting that you just might.

Inflation data shows that consumer prices went up 4.2% year over year — the most since 2008.

We compared prices from different airlines.