Cheap Flights To Dallas From London UK – When it comes to finding cheap flights to Dallas, there are a few things that you need to keep in mind. First and foremost, you need to be flexible with your travel dates. Secondly, you need to be willing to fly into either of Dallas' two main airports – Dallas/Fort Worth International Airport (DFW) or Dallas Love Field Airport (DAL). And finally, you need to know where to look for the best deals.