khumar, i hope you have to run next time too!
I used travelocity.com as it was just domestic travel but when I went to England, and Pak earlier this year I used this site called cheaptickets.com and got a nice deal (United, British Airways). Paying though Discover even gave me a 5% cashback on this purchase as it was for travel. I accumulated quite alot of sky miles too! Almost enough for a free US trip to any city.
This was the first time I didnt go for the travel agent route for international travel.