If you want a cheap flight from Philadelphia to Dallas, you've got two airlines to choose from.
You can use the filters on your search to see more flights and find cheaper rates – Dallas has more than one airport. So if you don't need to fly into Dallas/Fort Worth International Airport, it's worth checking your other options. The 2094 km flight usually takes about 9 hrs 25 mins.
four flights go to or via Dallas every week. Cheap flights The most popular airline is Alaska Airlines but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.
If you're planning on going to Dallas during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.