Cheap Airline Flights - rates tickets price

Tomboy83 asked: I dont know for sure yet. But I may need to buy a one way ticket to PWM from SAT. Im going to need the cheapest flight that i can get, if i end up needing to buy an airline ticket. Can anybody help me with this?
I may need to fly out in [...]

Dudeee! asked: Need to find a Cheap Airline to New York? FLL Airport To JFK
(The problem is that I have to fly by this sunday… and if do you know how expedia exactly works?
Thank You!
round trip Gerald