You should be able to get a Bosch universal sensor for about $60 from most auto parts stores. I checked at NAPA's site and found a couple of options. A Bosch universal sensor is $57.49 and a Beck Arnley direct replacement sensor is $129.

Here is the link, don't know if it needs a cookie or what but you can give it a try. This is their home page if the other link doesn't work. Click on "change vehicle" on the top left and pick your car, then do a keyword search for "oxygen sensor" and it should give you the results you're looking for.