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Northern Ireland

$662+ Cheap flights from Philadelphia (PHL) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

This American Airlines deal was found by Cheapflights users on 11/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:36 pmPHL - BHD
2 stops13h 44mAmerican Airlines
Sun 12/146:30 amBHD - PHL
1 stop11h 45mAmerican Airlines
Deal found 11/8$664
This FlightHub deal was found by Cheapflights users on 11/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:35 pmPHL - BHD
1 stop10h 45mBritish Airways
Sun 12/145:35 pmBHD - PHL
2 stops27h 30mBritish Airways
Deal found 11/7$681
This FlightHub deal was found by Cheapflights users on 11/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:55 pmPHL - BHD
2 stops18h 15mBritish Airways
Fri 11/146:45 amBHD - PHL
1 stop14h 30mBritish Airways
Deal found 11/8$886

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 10, 2025.

Round-trip from

$663
(British Airways)

Popular in

June

Cheapest in

January

Average price

$790
From Philadelphia to Northern Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 10, 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 4/5

6:45 pm-11:30 am

1 stop11h 45m

Belfast City

Thu 4/9

4:20 pm-4:40 pm

1 stop29h 20m

$662

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 12/7

3:36 pm-10:20 am

2 stops13h 44m

Belfast City

Sun 12/14

6:30 am-1:15 pm

1 stop11h 45m

$664

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

$672

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 12/7

6:35 pm-10:20 am

1 stop10h 45m

Belfast City

Sun 12/14

5:35 pm-4:05 pm

2 stops27h 30m

$681

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

8:45 pm-2:15 pm

1 stop13h 30m

Belfast City

Fri 4/3

9:30 am-3:30 pm

1 stop11h 00m

$684

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 12/7

5:30 pm-3:35 pm

2 stops17h 05m

Belfast Intl

Sun 12/14

5:45 am-10:46 pm

3 stops22h 01m

$1,453

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Tue 12/23

5:17 am-8:15 pm

3 stops33h 58m

Belfast Intl

Tue 12/30

5:45 am-4:00 pm

2 stops15h 15m

$1,521

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

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 February is currently the most expensive (average of $1,005). 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 10, 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
7,510 reviews

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Boarding

6.9

Food

6.3

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
7,510 reviews
British Airways
6.7
Okay
7,510 reviews

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Boarding

6.9

Food

6.3

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 $662, British Airways can have you in Northern Ireland from Philadelphia in 11h 45m. The distance from Philadelphia to 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 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 February is currently the most expensive (average of $1,005). 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$678Average$879FlexibilityNo cancel feeOn-time70%

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