A lot of airlines are offering WiFi now, but that doesn’t mean every plane has it. When searching for flights on CheapAir.com, our results include each amenity offered by every airline. When searching for WiFi, look for the icon. (This will indicate which flights offer WiFi.

Airlines that offer WiFi are:

Virgin America (all flights)

Airtran Airways (all flights)

Alaska Airlines

American Airlines

United Airlines

Southwest

Delta Airlines

Air Canada

US Airways

JetBlue