Friday flights are generally found to be more expensive for flights from Harlingen, Texas to Philadelphia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Philadelphia.
It’s optimal to fly from Harlingen, Texas to Philadelphia in the afternoon. By choosing this option you can save up to 97% on the cost of your flight, compared to a flight in the morning.