good website for checking and booking flights?

[hatwoman]

the problem is we could fly from about 3 different airports and fly to 3 different airports....if I check all the possibilities on each of the airlines' websites it will take me all day....is there a website that checks a range of airlines?

derrr. I forgot about lastminute

moneysaving expert's flightchecker covers some of them

link here - there's other helpful inf too

www.skyscanner.net