Book cheap flights from Belfast to Philadelphia with Netflights. We scan all 45 of the weekly flights going via Philadelphia, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.
The most popular airlines for this route are British Airways, Aer Lingus & KLM, while George Best Belfast City Airport (BHD) is the most popular departure airport in the city. But when you fly is just as important as where you fly from. Search by month to find out when flights are at the priciest and their cheapest.
On average, the 5231 km flight to Philadelphia takes 13 hrs 15 mins. If you want a bargain, keep an eye out for flights with British Airways, as they often have good deals. Or you could broaden your search by looking at flights to other airports in the USA to see if there are any cheaper options.
Did you know you can also compare hotel and car hire prices in the USA with Netflights? Take a look to get an idea of prices in Philadelphia.