What website do you use to book international flights?

I'm planning a trip from Seoul to Phuket island and I need a great website to help me book this flight for cheap cheap cheap! Can someone help me with this? Also a site that might have package deals could help.

Found these websites here, They have multiple links to all the top company's. Not sure if this is what your asking for. But here are many links to get you on your way...

http://www.redhotairfare.com

http://www.windsdown.com

http://www.xraton.com

Your Flight to Phuket, Thailand (HKT)

Korean Air Flight 637 8:15pm

Seoul, South Korea (ICN) 12:30am - Tue, May 6

Next day arrival

Phuket, Thailand (HKT) 6hrs 15min - Nonstop

$1,050 per person (Return Trip)

Try http://www.kayak.com . It allows you to search for the best deals from different airlines, and even will construct multi-city routes for you.

"Ocean 2 Ocean Travel"

http://www.ocean2oceantravel.com

try cheap tickets, or just click yahoo travel you'll see some choices.