Cheap flights from Belfast to Philadelphia

from as little as £653

7 nights in Philadelphia, departing George Best Belfast City Airport on 14 / Mar / 2025 with British Airways (price found 56 hours ago)

Subject to availability, prices correct of the last 24 hours
Philadelphia

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The Belfast / Philadelphia route

All 5231 km of it

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Philadelphia flight facts

What you need to know

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Philadelphia

14 / Mar / 2025 is currently the lowest priced day of the year to fly the Belfast/Philadelphia route. There are around 49 flights on any given week from the UK to Philadelphia and the cheapest month to fly right now is March.

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Min / Max Temperature (°C)
LOWEST

-2 °C

AVG

14 °C

HIGHEST

30 °C

Rainfall (mm)
LOWEST

71 mm

AVG

98.1 mm

HIGHEST

123 mm

Key facts about Philadelphia

How to get cheap flights from Belfast to Philadelphia

Tips and advice from our flight experts

Book cheap flights from Belfast to Philadelphia with Netflights. We scan all 49 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 & Virgin Atlantic, 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 5 mins. If you want a bargain, keep an eye out for flights with Aer Lingus, 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 car hire and hotel prices in the USA with Netflights? Take a look to get an idea of prices in Philadelphia.

Other popular destinations near Philadelphia

Where other people are flying to

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