How long is the flight from Philadelphia to Northern Ireland?

For as low as £520, American Airlines can have you in Northern Ireland from Philadelphia in 13h 30m. The distance between Philadelphia and Northern Ireland is about 3260 mi.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from PHL to NIR?

When flying from Philadelphia to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Philadelphia to Northern Ireland?

For a flight from Philadelphia to Northern Ireland, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

How can I find direct flights from Philadelphia to Northern Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Northern Ireland.

Can I find deals for business class flights from Philadelphia to Northern Ireland?

Yes. Cheapflights offers flight deals from Philadelphia to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£347+ Cheap Flights from Philadelphia to Northern Ireland

Cheap flight deals from Philadelphia to Northern Ireland

Round-trip from	£509
One-way from	£243
Popular in	June
Cheapest in	January
Average price	£525

American Airlines
27/3-31/3
2 total stops
38h 20m total
Philadelphia to Northern Ireland

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4/2
2 total stops
36h 35m total
Philadelphia to Northern Ireland

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Highest demand for flights based on searches. 21% potential increase in price (£133 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

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Average for round-trip flights in October 2025

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Find flight deals from Philadelphia to Northern Ireland

Enter your travel dates to find the best prices.

Best flights from Philadelphia to Northern Ireland
Discover carefully curated flight deals from Philadelphia to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Fri 27/320:45PHL - BHD

1 stop13h 30mAmerican Airlines

Fri 3/406:35BHD - PHL

1 stop13h 55mAmerican Airlines

Deal found 28/10£520

Sat 4/413:35PHL - BHD

2 stops20h 30mBritish Airways

Fri 10/420:05BHD - PHL

2 stops27h 50mBritish Airways

Deal found 28/10£580

Fri 27/311:30PHL - BHD

2 stops25h 20mDelta

Tue 31/306:30BHD - PHL

2 stops15h 46mDelta

Deal found 27/10£635

Sat 4/419:40PHL - BHD

1 stop11h 35mAmerican Airlines

Fri 10/416:20BHD - PHL

1 stop24h 55mAmerican Airlines

Deal found 28/10£558

Fri 27/319:35PHL - BHD

1 stop10h 55mBritish Airways

Tue 31/313:40BHD - PHL

1 stop32h 00mBritish Airways

Deal found 28/10£609

Fri 27/318:00PHL - BHD

2 stops16h 15mAmerican Airlines

Tue 31/306:35BHD - PHL

1 stop13h 55mAmerican Airlines

Deal found 27/10£663

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 27/3

20:45-14:15

1 stop13h 30m

Belfast City

Fri 3/4

06:35-15:30

1 stop13h 55m

£520

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 4/4

19:40-12:15

1 stop11h 35m

Belfast City

Fri 10/4

16:20-12:15

1 stop24h 55m

£558

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 4/4

13:35-15:05

2 stops20h 30m

Belfast City

Fri 10/4

20:05-18:55

2 stops27h 50m

£580

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 27/3

19:35-10:30

1 stop10h 55m

Belfast City

Tue 31/3

13:40-16:40

1 stop32h 00m

£609

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 27/3

11:30-16:50

2 stops25h 20m

Belfast City

Tue 31/3

06:30-17:16

2 stops15h 46m

£635

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 27/3

18:00-14:15

2 stops16h 15m

Belfast City

Tue 31/3

06:35-15:30

1 stop13h 55m

£663

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 4/2

14:30-20:20

2 stops24h 50m

£347

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Best time to book a flight from Philadelphia to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Philadelphia with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Northern Ireland

What is the cheapest month to book a flight from Philadelphia to Northern Ireland?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of £466). Flying from Philadelphia to Northern Ireland in February is currently the most expensive (average of £760). 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.

Related info for your journey

What airport do you fly from for flights from Philadelphia to Northern Ireland?
For a flight from Philadelphia to Northern Ireland, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.
How long is the flight from Philadelphia to Northern Ireland?
For as low as £520, American Airlines can have you in Northern Ireland from Philadelphia in 13h 30m. The distance between Philadelphia and Northern Ireland is about 3260 mi.
Can I find deals for flights from Philadelphia to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Philadelphia to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Northern Ireland.
Can I find deals for business class flights from Philadelphia to Northern Ireland?
Yes. Cheapflights offers flight deals from Philadelphia to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Philadelphia to Northern Ireland?
Currently, October is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of £466). Flying from Philadelphia to Northern Ireland in February is currently the most expensive (average of £760). 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.

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Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Northern Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Philadelphia to Northern Ireland with no change fees?

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Cheap flights from Philadelphia to Northern Ireland from £347

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to Northern Ireland

Keep the following information in mind while searching for Philadelphia to Northern Ireland flight deals. Data was last updated 30 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Philadelphia to Northern Ireland

Best flights from Philadelphia to Northern IrelandDiscover carefully curated flight deals from Philadelphia to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Discover carefully curated flight deals from Philadelphia to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Northern Ireland that are best for you.

Best time to book a flight from Philadelphia to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Philadelphia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Northern Ireland

What is the cheapest month to book a flight from Philadelphia to Northern Ireland?

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Philadelphia to Northern Ireland?

How long is the flight from Philadelphia to Northern Ireland?

Can I find deals for flights from Philadelphia to Northern Ireland that include hotel bookings?

How can I find direct flights from Philadelphia to Northern Ireland?

Can I find deals for business class flights from Philadelphia to Northern Ireland?

What is the cheapest month to book a flight from Philadelphia to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Northern Ireland?

Can Cheapflights find flights from Philadelphia to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Philadelphia to Northern Ireland become cheaper?

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Best flights from Philadelphia to Northern Ireland
Discover carefully curated flight deals from Philadelphia to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.