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Northern Ireland

$301+ Cheap flights from Philadelphia (PHL) to Northern Ireland

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Philadelphia to Northern Ireland

Best flights from Philadelphia to Northern Ireland
Discover carefully curated flight deals from Philadelphia to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

This oojo deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:35 pmPHL - BHD
1 stop14h 20mBritish Airways
Sat 3/73:05 pmBHD - PHL
1 stop30h 10mBritish Airways
Deal found 11/26$597
This Mytrip deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:50 amPHL - BFS
3 stops35h 05mMultiple Airlines
Sun 2/811:05 pmBFS - PHL
3 stops28h 41mMultiple Airlines
Deal found 11/25$1,133
This Cheapflightsfares deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:45 pmPHL - BHD
1 stop13h 15mBritish Airways
Sat 5/99:35 amBHD - PHL
1 stop12h 05mBritish Airways
Deal found 11/25$614
This British Airways deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:35 pmPHL - BHD
1 stop10h 55mBritish Airways
Tue 2/38:45 amBHD - PHL
1 stop12h 30mBritish Airways
Deal found 11/25$620
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:35 pmPHL - BHD
2 stops13h 40mBritish Airways
Sun 2/83:10 pmBHD - PHL
1 stop30h 05mBritish Airways
Deal found 11/25$623
This oojo deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:41 pmPHL - BHD
2 stops13h 49mBritish Airways
Fri 4/34:20 pmBHD - PHL
2 stops24h 20mBritish Airways
Deal found 11/26$641
This British Airways deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:35 pmPHL - BHD
1 stop11h 05mBritish Airways
Fri 2/276:45 amBHD - PHL
1 stop14h 30mBritish Airways
Deal found 11/23$647
This Mytrip deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:30 pmPHL - BFS
2 stops17h 45mMultiple Airlines
Wed 4/228:10 pmBFS - PHL
3 stops27h 50mMultiple Airlines
Deal found 11/24$1,177

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 November 26, 2025.

Round-trip from

$597
(oojo)

One-way from

$301
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$790
From Philadelphia to Northern Ireland
Search Deals
One-way flight from Philadelphia to Northern Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Philadelphia to Northern Ireland that are best for you.

Fly from

Philadelphia

Fly to

Northern Ireland

Route

Depart

Return

Price

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 3/1

6:35 pm-1:55 pm

1 stop14h 20m

Belfast City

Sat 3/7

3:05 pm-4:15 pm

1 stop30h 10m

$597

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-1:00 pm

1 stop13h 15m

Belfast City

Sat 5/9

9:35 am-4:40 pm

1 stop12h 05m

$614

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 1/30

6:35 pm-10:30 am

1 stop10h 55m

Belfast City

Tue 2/3

8:45 am-4:15 pm

1 stop12h 30m

$620

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 2/4

3:35 pm-10:15 am

2 stops13h 40m

Belfast City

Sun 2/8

3:10 pm-4:15 pm

1 stop30h 05m

$623

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

4:41 pm-10:30 am

2 stops13h 49m

Belfast City

Fri 4/3

4:20 pm-11:40 am

2 stops24h 20m

$641

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 2/23

6:35 pm-10:40 am

1 stop11h 05m

Belfast City

Fri 2/27

6:45 am-4:15 pm

1 stop14h 30m

$647

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 2/4

7:50 am-11:55 pm

3 stops35h 05m

Belfast Intl

Sun 2/8

11:05 pm-10:46 pm

3 stops28h 41m

$1,133

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 4/15

8:30 pm-7:15 pm

2 stops17h 45m

Belfast Intl

Wed 4/22

8:10 pm-7:00 pm

3 stops27h 50m

$1,177

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 4/15

8:30 pm-3:15 pm

2 stops13h 45m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

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 round-trip 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, January is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of $621). Flying from Philadelphia to Northern Ireland in December is currently the most expensive (average of $982). 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.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated November 26, 2025.
Peruse reviews from past customers who have flown with British Airways from Philadelphia to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,539 reviews

Crew

7.6

Entertainment

6.4

Food

6.3

Boarding

6.9

Comfort

6.7

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews

Crew

7.6

Entertainment

6.4

Food

6.3

Boarding

6.9

Comfort

6.7

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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?

    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 $597, British Airways can have you in Northern Ireland from Philadelphia in 14h 20m. The distance from Philadelphia to 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 vacation 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 $621). Flying from Philadelphia to Northern Ireland in December is currently the most expensive (average of $982). 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

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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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Top airline flying from Philadelphia to Northern Ireland

Discover the top airline that operate flights from Philadelphia to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$678Average$879FlexibilityNo cancel feeOn-time70%

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