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Cheap flights from Philadelphia to Northern Ireland from £341

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
30 Jun — 7 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Northern Ireland

Enter your travel dates to find the best prices.

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 31 May 2026.

Sun 8/1118:35
PHL
-
BHD
1 stop14h 20m
British Airways
Wed 11/1117:40
BHD
-
PHL
1 stop27h 35m
British Airways
Deal found 30/5£660
Wed 9/918:45
PHL
-
BHD
1 stop12h 15m
British Airways
Sun 13/906:30
BHD
-
PHL
1 stop15h 10m
British Airways
Deal found 30/5£663
Wed 9/917:30
PHL
-
BHD
2 stops13h 30m
American Airlines
Sun 13/915:50
BHD
-
PHL
1 stop25h 25m
American Airlines
Deal found 30/5£680
Wed 9/919:39
PHL
-
BHD
2 stops15h 01m
Multiple Airlines
Sun 13/920:10
BHD
-
PHL
2 stops26h 30m
Multiple Airlines
Deal found 30/5£684
Fri 20/1118:35
PHL
-
BHD
1 stop10h 55m
British Airways
Fri 27/1108:45
BHD
-
PHL
1 stop12h 30m
British Airways
Deal found 30/5£692
Wed 9/915:25
PHL
-
BFS
3 stops18h 55m
Multiple Airlines
Sun 13/919:35
BFS
-
PHL
3 stops28h 20m
Multiple Airlines
Deal found 29/5£770
Sat 5/916:20
PHL
-
BFS
2 stops12h 15m
Multiple Airlines
Sat 12/909:30
BFS
-
PHL
3 stops38h 25m
Multiple Airlines
Deal found 26/5£803
Mon 3/815:25
PHL
-
BFS
3 stops24h 30m
Multiple Airlines
Sun 9/809:35
BFS
-
PHL
3 stops38h 20m
Multiple Airlines
Deal found 30/5£819
Mon 1/610:05
PHL
-
BFS
3 stops29h 35m
Multiple Airlines
Mon 8/621:55
BFS
-
PHL
3 stops40h 53m
Multiple Airlines
Deal found 27/5£893
Wed 3/610:05
PHL
-
BFS
3 stops31h 20m
Multiple Airlines
Thu 11/621:05
BFS
-
PHL
3 stops30h 38m
Multiple Airlines
Deal found 27/5£901

Find 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 31 May 2026.

Round-trip from

£660

One-way from

£341
British Airways
  • British Airways
  • 8/11-11/11
  • 2 total stops
  • 41h 55m total
  • Philadelphia to Northern Ireland
Search Deals
Aer Lingus
  • Aer Lingus
  • 3/8
  • 2 total stops
  • 13h 35m total
  • Philadelphia to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 31 May 2026.
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 - BHD

PHLBHD

Philadelphia

Sun 8/11

18:35-13:55

1 stop14h 20m

Belfast City

Wed 11/11

17:40-16:15

1 stop27h 35m

£660

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/9

19:39-15:40

2 stops15h 01m

Belfast City

Sun 13/9

20:10-17:40

2 stops26h 30m

£684
Fastest return journey

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 20/11

18:35-10:30

1 stop10h 55m

Belfast City

Fri 27/11

08:45-16:15

1 stop12h 30m

£692

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 5/9

20:05-08:40

2 stops31h 35m

Belfast City

Sat 12/9

19:05-13:45

2 stops23h 40m

£698

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 9/9

15:25-15:20

3 stops18h 55m

Belfast Intl

Sun 13/9

19:35-18:55

3 stops28h 20m

£770

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 17/7

20:25-21:15

2 stops19h 50m

Belfast Intl

Fri 31/7

08:55-18:55

2 stops15h 00m

£1,010

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 10/7

20:25-21:15

2 stops19h 50m

Belfast Intl

Fri 17/7

08:55-18:55

2 stops15h 00m

£1,017
Cheapest one-way
Fastest single journey

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 3/8

20:25-15:00

2 stops13h 35m

£341

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 8/7

13:10-09:20

2 stops15h 10m

£351

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 3/8

16:40-07:40

3 stops58h 00m

£355

Flights are sorted by cheapest return flights first.

Deals found on 30/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

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 £660, British Airways can have you in Northern Ireland from Philadelphia in 14h 20m. 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.

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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John F Kennedy Intl to Glasgow Intl flights
Newark to Manchester flights
Reagan-National to Edinburgh flights
LaGuardia to Manchester flights
Pittsburgh to Gatwick flights
LaGuardia to Glasgow Intl flights
Pittsburgh to London City flights
Dulles Intl to Manchester flights
Dulles Intl to Glasgow Intl flights
John F Kennedy Intl to Birmingham flights
Newark to Birmingham flights
Reagan-National to Manchester flights

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

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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.

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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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