How long is the flight from Philadelphia to Northern Ireland?

For as low as £643, KLM can have you in Northern Ireland from Philadelphia in 11h 10m. The distance between Philadelphia and Northern Ireland is about 3260 mi. This flight may include one or multiple stops.

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.

£593+ Cheap Flights from Philadelphia to Northern Ireland

Cheap flight deals from Philadelphia to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from Philadelphia to Northern Ireland
Explore the most affordable flight options available from Philadelphia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Mon 16/1112:08 -

2 stops16h 02m

Wed 2/1217:20 -

2 stops30h 06m

Deal found 23/9£593

Tue 20/1015:46 -

2 stops20h 09m

Tue 27/1009:40 -

2 stops29h 20m

Deal found 20/9£594

Sun 8/1118:35 -

1 stop11h 10m

Thu 19/1106:30 -

1 stop14h 45m

Deal found 21/9£643

Mon 16/1118:35 -

1 stop11h 15m

Wed 2/1217:35 -

2 stops25h 30m

Deal found 23/9£647

Tue 20/1022:10 -

1 stop12h 10m

Tue 27/1015:05 -

1 stop27h 30m

Deal found 20/9£649

Sun 8/1116:25 -

2 stops13h 20m

Thu 19/1106:30 -

2 stops18h 24m

Deal found 21/9£660

Tue 8/1218:35 -

1 stop11h 15m

Thu 31/1206:30 -

1 stop12h 20m

Deal found 22/9£732

Fri 20/1118:35 -

2 stops14h 30m

Fri 27/1106:45 -

1 stop12h 00m

Deal found 24/9£748

Find flight deals from Philadelphia to Northern Ireland

Round-trip from	£593

KLM
16/11-2/12
4 total stops
46h 08m total
Philadelphia to Northern Ireland

Search Deals

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

Cheapest return flight

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Tue 20/10

15:46-16:55

2 stops20h 09m

Belfast City

Tue 27/10

09:40-11:00

2 stops29h 20m

£594

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 8/11

18:35-10:45

1 stop11h 10m

Belfast City

Thu 19/11

06:30-16:15

1 stop14h 45m

£643

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 8/11

16:25-10:45

2 stops13h 20m

Belfast City

Thu 19/11

06:30-13:45

1 stop12h 15m

£652

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Fri 20/11

18:35-14:05

2 stops14h 30m

Belfast City

Fri 27/11

06:45-18:44

2 stops16h 59m

£756

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 8/11

17:40-12:00

2 stops13h 20m

Belfast City

Thu 12/11

18:20-16:10

2 stops26h 50m

£846

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 25/10

18:40-12:00

2 stops13h 20m

Belfast City

Wed 28/10

18:20-17:10

2 stops26h 50m

£858

Fastest return journey

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 25/10

19:35-10:45

1 stop11h 10m

Belfast City

Wed 28/10

08:40-17:15

1 stop12h 35m

£900

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 8/11

18:35-10:45

1 stop11h 10m

Belfast City

Thu 12/11

06:30-16:15

1 stop14h 45m

£904

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Sorted by cheapest first

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.

PHL-BHD

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

PHL-GBNIR

PHL-BHD

No data available for this route at this time. Please check back soon.

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 £643, KLM can have you in Northern Ireland from Philadelphia in 11h 10m. The distance between Philadelphia and Northern Ireland is about 3260 mi. This flight may include one or multiple stops.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United Kingdom

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Philadelphia to Northern Ireland

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

John F Kennedy Intl to Gatwick flights

LaGuardia to Heathrow flights

John F Kennedy Intl to Stansted flights

Newark to Gatwick flights

John F Kennedy Intl to London City flights

Dulles Intl to Heathrow flights

LaGuardia to Gatwick flights

Newark to London City flights

Newark to Stansted flights

Newark to Luton flights

Dulles Intl to Gatwick flights

Reagan-National to Heathrow flights

Dulles Intl to London City flights

Philadelphia to Heathrow flights

Newark to Edinburgh flights

Reagan-National to Gatwick flights

Dulles Intl to Luton flights

John F Kennedy Intl to Edinburgh flights

John F Kennedy Intl to Manchester flights

LaGuardia to Stansted flights

Reagan-National to Luton flights

Philadelphia to Gatwick flights

LaGuardia to Edinburgh flights

Pittsburgh to Heathrow flights

Dulles Intl to Edinburgh flights

Philadelphia to Luton flights

Philadelphia to Stansted flights

Newark to Manchester flights

Pittsburgh to Gatwick flights

LaGuardia to Manchester flights

Reagan-National to Edinburgh flights

Reagan-National to Stansted flights

Pittsburgh to London City flights

Newark to Glasgow Intl flights

John F Kennedy Intl to Glasgow Intl flights

Philadelphia to Edinburgh flights

Dulles Intl to Manchester flights

LaGuardia to Glasgow Intl flights

Pittsburgh to Luton flights

Reagan-National to Manchester flights

Dulles Intl to Glasgow Intl flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Northern Ireland from Philadelphia today with Cheapflights!

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

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?

Yes, we can. To see specific flights from Philadelphia to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Philadelphia to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Philadelphia to Northern Ireland from £593

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. 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

Cheapest flights from Philadelphia to Northern IrelandExplore the most affordable flight options available from Philadelphia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Explore the most affordable flight options available from Philadelphia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

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 24 September 2026.

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 24 September 2026.

Last-minute flights from Philadelphia to Northern IrelandDiscover last-minute flight deals from Philadelphia to Northern Ireland. Data last updated 24 September 2026 and is based on user searches.

Discover last-minute flight deals from Philadelphia to Northern Ireland. Data last updated 24 September 2026 and is based on user searches.

Find flight deals from Philadelphia to Northern Ireland

Round-trip from

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

Related info for your journey

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?

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.

Complete your trip

Complete your trip to Northern Ireland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Philadelphia to Northern Ireland by cabin class

Find flights from Philadelphia to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Philadelphia and Northern Ireland flights

Browse other Philadelphia and Northern Ireland flight options. Last updated on 24 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Philadelphia to Northern Ireland flights

Consider these flights travelling from Philadelphia to Northern Ireland.

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Philadelphia to Northern Ireland
Explore the most affordable flight options available from Philadelphia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

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 24 September 2026.

Last-minute flights from Philadelphia to Northern Ireland
Discover last-minute flight deals from Philadelphia to Northern Ireland. Data last updated 24 September 2026 and is based on user searches.