Low-cost carrier Play Airlines is offering a flash sale with $99 one-way flights as part of a round-trip booking from the U.S. to Europe, including Paris, Copenhagen, London and Dublin.
Note you have to book the round-trip to get the $99 deal on the one-way. You may be able to stack two one-ways for a round-trip for less than $200, based on route and availability.
Flights…