Cheap flights from Belfast-George Best to Philadelphia
Cheap return flights from Belfast-George Best to Philadelphia
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Philadelphia flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- American Airlines
- JetBlue
These airlines usually offer the cheapest flights from Belfast-George Best to Philadelphia.
What airlines fly indirectly?
- British Airways
- Lufthansa
- Air Canada
These airlines fly from Belfast-George Best to Philadelphia, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from Belfast-George Best to Philadelphia.
Alternative flights from the UK to Philadelphia
Check out prices for other routes
Alternative flights from Belfast-George Best
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Belfast-George Best/Philadelphia route. There are around 35 flights on any given week from the UK to Philadelphia and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Belfast-George Best to Philadelphia
Tips and advice from our flight experts
You've searched for flights from Belfast to Philadelphia. We've found 15 flights and compared multiple offers to get you the best deal. Ryanair is the average cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £69 from Belfast to Philadelphia on 04/05/2026 at 21:50.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 5,600 km flight from Belfast to Philadelphia.
To find the best offers, book at least 2-3 months in advance or look for last-minute deals. Ryanair is a popular and affordable choice for this route, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Philadelphia
Where other people are flying to
