RyanAir is known to be one of the lowest priced airlines in Europe, and they aren’t giving up that reputation just yet. Right now, you can fly from London to Copenhagen for only £16 (or $21) ROUNDTRIP!   Flights Examples: London to Copenhagen: January 11-13 for £16 (or $21) roundtrip with RyanAir. London to Copenhagen: January 11-17 for £16...