Cheap Flights from Philadelphia (PHL) to Belfast (BFS)

Popular airlines from Philadelphia Intl. Airport (PHL) to Belfast International Airport (BFS)

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Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS) cost?
Lock in a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS)?
Flying in can help you save, as it's the cheapest month for flights between PHL and BFS. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS)?
To find the cheapest airline flying from PHL to BFS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS)?
Direct flights from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to BFS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS) last-minute?
Last-minute bookings from PHL to BFS are generally more expensive. For the cheapest rates, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a PHL to BFS flight and hotel package?
Opting for a PHL to BFS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Belfast Intl. Airport (BFS)?
If you reserved your PHL to BFS flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Belfast Intl.
Distance
3247 mi

Book with confidence

Book with confidence

Philadelphia to Belfast Flights

The cheapest times to fly from Philadelphia to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Belfast are during the month of . You can find some of the cheapest flights from Philadelphia to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Belfast

Sunday is one of the best days to book for cheap flights from Philadelphia to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Belfast Flights

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Explore a world of travel with Expedia

*Available to One Key members.