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Popular in | November |
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Cheapest in | May |
Average price | £722 |
Currently, June is the cheapest month in which you can book a flight from Belfast Intl Airport to Philadelphia (average of £361). Flying from Belfast Intl Airport to Philadelphia in July is currently the most expensive (average of £562). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Belfast Intl Airport to Philadelphia in the morning. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at midday.
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Roxanne,Sept 2025
LHR - IAD
Overall
Comfort
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Entertainment
Food
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Reviews
Roxanne,Sept 2025
LHR - IAD
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