American Airlines has great fares available for flights between Newark (EWR) and Las Vegas (LAS).
Ultra low cost carriers Spirit Airlines and Frontier Airlines have sales going on today only with 50% and 75% discount respectively.
Ryanair has incredibly cheap intra-European flights between several major cities and some smaller cities.
Southwest has a new fare sale starting today with prices starting at low as $42 one-way. The lowest price is for travel between Las Vegas and Los Angeles.
WOW Air, the Icelandic budget airline, has a new promotion that can get you a 20% discount.
Norwegian Air has some great deals for travel to Europe from a few US cities with prices starting at just $344 for nonstop round-trip fares.
Norwegian Air is still expanding its footprint in the United States. They have added Austin and Chicago O’Hare on their routes with flights starting next spring.
Frontier has another sale going on today with some one-way flights priced at just $20.