American Airlines is selling round trip tickets from various US cities to various European destinations for as little as $415 round-trip.
American Airlines Fares to Europe from $415 Roundtrip: Perfect for Spring Break!
American is offering these super-low fares from the hub cities of United Airlines, like Chicago, Denver, Houston, Los Angeles, Newark and San Francisco.

With fares this low, and the ability to earn AAdvantage miles, it’s generally smarter to pay money rather than use frequent-flyer miles.