priceline.com

(PCLN)

entered an online advertising deal with

AOL Time Warner's

(AOL)

America Online.

The Norwalk, Conn.,-based ticket discounter said its travel products will be available across several AOL products, including Netscape and Mapquest, in its first major thrust into online marketing. Terms of the agreement weren't disclosed.

priceline.com went as high as $6.67 in after-hours trading Monday after closing the regular session at $5.57.