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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of £67). Flying from Philadelphia to Northern Ireland in July is currently the most expensive (average of £90). 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.

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.

£266+ Flights from Philadelphia to Northern Ireland

Cheap flight deals from Philadelphia to Northern Ireland

Round-trip from	£514
One-way from	£266

American Airlines
2/9-9/9
2 total stops
26h 20m total
Philadelphia to Northern Ireland

Search Deals

1/8
3 total stops
43h 52m total
Philadelphia to Northern Ireland

Search Deals

Find flight deals from Philadelphia to Northern Ireland

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 13 June 2025.

Tue 2/919:50PHL - BHD

1 stop14h 30mAmerican Airlines

Tue 9/909:35BHD - PHL

1 stop11h 50mAmerican Airlines

Deal found 10/6£514

Mon 11/818:35PHL - BHD

1 stop9h 45mMultiple Airlines

Mon 18/819:30BHD - PHL

1 stop22h 40mMultiple Airlines

Deal found 9/6£515

Mon 11/817:29PHL - BHD

2 stops14h 26mBritish Airways

Mon 18/819:30BHD - PHL

1 stop22h 40mBritish Airways

Deal found 10/6£532

Sun 27/706:13PHL - BFS

2 stops33h 07mMultiple Airlines

Thu 31/706:00BFS - PHL

3 stops37h 37mMultiple Airlines

Deal found 10/6£680

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 13 June 2025.

Tue 2/919:50PHL - BHD

1 stop14h 30mAmerican Airlines

Tue 9/909:35BHD - PHL

1 stop11h 50mAmerican Airlines

Deal found 10/6£514

Mon 11/818:35PHL - BHD

1 stop9h 45mMultiple Airlines

Mon 18/819:30BHD - PHL

1 stop22h 40mMultiple Airlines

Deal found 9/6£515

Mon 11/817:29PHL - BHD

2 stops14h 26mBritish Airways

Mon 18/819:30BHD - PHL

1 stop22h 40mBritish Airways

Deal found 10/6£532

Sun 27/706:13PHL - BFS

2 stops33h 07mMultiple Airlines

Thu 31/706:00BFS - PHL

3 stops37h 37mMultiple Airlines

Deal found 10/6£680

Last-minute flights from Philadelphia to Northern Ireland
Discover last-minute flight deals from Philadelphia to Northern Ireland. Data last updated 13 June 2025 and is based on user searches.

Tue 17/609:45PHL - BFS

3 stops25h 55mMultiple Airlines

Tue 24/608:15BFS - PHL

2 stops28h 33mMultiple Airlines

Deal found 11/6£868

Tue 17/619:50PHL - BHD

1 stop12h 10mBritish Airways

Tue 24/606:35BHD - PHL

1 stop14h 50mBritish Airways

Deal found 11/6£977

Tue 17/609:45PHL - BHD

3 stops30h 25mMultiple Airlines

Tue 24/615:20BHD - PHL

2 stops29h 29mMultiple Airlines

Deal found 11/6£1,409

Tue 8/718:30PHL - BHD

1 stop13h 30mBritish Airways

Mon 28/718:30BHD - PHL

1 stop23h 30mBritish Airways

Deal found 11/6£582

Wed 9/718:30PHL - BHD

1 stop14h 00mAmerican Airlines

Wed 23/706:50BHD - PHL

1 stop13h 35mAmerican Airlines

Deal found 11/6£581

Wed 9/709:00PHL - BHD

3 stops25h 05mMultiple Airlines

Wed 23/718:45BHD - PHL

2 stops29h 15mMultiple Airlines

Deal found 11/6£995

Sun 27/706:13PHL - BFS

2 stops33h 07mMultiple Airlines

Thu 31/706:00BFS - PHL

3 stops37h 37mMultiple Airlines

Deal found 10/6£680

One-way flights from Philadelphia to Northern Ireland
Search for one-way flight options from Philadelphia to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Fri 1/822:38PHL - BFS

3 stops43h 52mMultiple Airlines

Deal found 12/6£266

Fri 1/822:38PHL - BHD

3 stops37h 32mMultiple Airlines

Deal found 12/6£294

Fri 1/818:35PHL - BHD

1 stop9h 50mBritish Airways

Deal found 12/6£339

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

Tue 2/9

19:50-15:20

1 stop14h 30m

Belfast City

Tue 9/9

09:35-16:25

1 stop11h 50m

£514

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 11/8

18:35-09:20

1 stop9h 45m

Belfast City

Mon 18/8

19:30-13:10

1 stop22h 40m

£515

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 11/8

17:29-12:55

2 stops14h 26m

Belfast City

Mon 18/8

19:30-13:10

1 stop22h 40m

£532

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 27/7

06:13-20:20

2 stops33h 07m

Belfast Intl

Thu 31/7

06:00-14:37

3 stops37h 37m

£680

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 1/8

22:38-23:30

3 stops43h 52m

£266

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 1/8

22:38-17:10

3 stops37h 32m

£294

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 1/8

18:35-09:25

1 stop9h 50m

£339

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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

Rainfall in Northern Ireland by month

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.

Temperature in Northern Ireland by month

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).

Reviews of airlines servicing Northern Ireland

American Airlines

7.2

Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

British Airways

6.6

Okay

7,011 reviews

American Airlines

7.2

Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

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.
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, January is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of £67). Flying from Philadelphia to Northern Ireland in July is currently the most expensive (average of £90). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

Dulles Intl to Heathrow flights

Newark to Gatwick flights

LaGuardia to Heathrow flights

John F Kennedy Intl to London City flights

LaGuardia to Gatwick flights

John F Kennedy Intl to Stansted flights

Newark to London City flights

Dulles Intl to Gatwick flights

Reagan-National to Heathrow flights

Dulles Intl to London City flights

Philadelphia to Heathrow flights

Reagan-National to Gatwick flights

Newark to Stansted flights

Newark to Edinburgh flights

John F Kennedy Intl to Edinburgh flights

Newark to Luton flights

John F Kennedy Intl to Manchester flights

Dulles Intl to Edinburgh flights

Pittsburgh to Heathrow flights

Dulles Intl to Luton flights

LaGuardia to Edinburgh flights

Philadelphia to Gatwick flights

LaGuardia to Stansted flights

Philadelphia to Edinburgh flights

Newark to Manchester flights

Reagan-National to Stansted flights

LaGuardia to Manchester flights

Reagan-National to Edinburgh flights

Pittsburgh to Gatwick flights

Philadelphia to Stansted flights

John F Kennedy Intl to Glasgow Intl flights

Philadelphia to Luton flights

Newark to Glasgow Intl flights

Reagan-National to Luton flights

Dulles Intl to Glasgow Intl flights

Dulles Intl to Manchester flights

Pittsburgh to London City flights

LaGuardia to Glasgow Intl flights

John F Kennedy Intl to Birmingham flights

Reagan-National to Manchester flights

Direct flights to United Kingdom

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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.

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Cheap flights from Philadelphia to Northern Ireland from £266

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 1/8. 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 13 June 2025.

Round-trip from

One-way from

Find 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 13 June 2025.

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 13 June 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

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing 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?

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.

Fly with Cheapflights

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?

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 13 June 2025.