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Cheap flights from Philadelphia to Northern Ireland from £638

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
2 Sep — 9 Sep1
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 3 August 2026.

Sun 8/1118:35
PHL
-
BHD
1 stop14h 20m
British Airways
Mon 16/1119:25
BHD
-
PHL
1 stop23h 25m
British Airways
Deal found 30/7£638
Sun 8/1118:35
PHL
-
BHD
1 stop14h 20m
British Airways
Wed 11/1117:40
BHD
-
PHL
1 stop27h 35m
British Airways
Deal found 30/7£658
Thu 10/917:40
PHL
-
BFS
3 stops24h 25m
Multiple Airlines
Thu 17/912:45
BFS
-
PHL
3 stops35h 10m
Multiple Airlines
Deal found 29/7£681
Tue 1/918:45
PHL
-
BHD
1 stop11h 00m
British Airways
Tue 29/906:30
BHD
-
PHL
1 stop15h 10m
British Airways
Deal found 1/8£688
Wed 11/1118:35
PHL
-
BHD
1 stop10h 40m
British Airways
Fri 13/1119:35
BHD
-
PHL
1 stop25h 40m
British Airways
Deal found 30/7£695
Fri 20/1118:35
PHL
-
BHD
1 stop10h 55m
British Airways
Fri 27/1108:45
BHD
-
PHL
1 stop12h 30m
British Airways
Deal found 30/7£704
Sun 8/1115:20
PHL
-
BFS
3 stops25h 20m
Multiple Airlines
Mon 16/1106:05
BFS
-
PHL
3 stops38h 55m
Multiple Airlines
Deal found 30/7£743
Thu 10/917:40
PHL
-
BFS
3 stops24h 25m
Multiple Airlines
Sun 20/922:10
BFS
-
PHL
3 stops25h 45m
Multiple Airlines
Deal found 30/7£752
Tue 1/916:20
PHL
-
BFS
2 stops19h 05m
Multiple Airlines
Tue 29/907:35
BFS
-
PHL
3 stops40h 20m
Multiple Airlines
Deal found 1/8£770
Sun 6/917:40
PHL
-
BFS
3 stops22h 50m
Multiple Airlines
Tue 22/907:35
BFS
-
PHL
3 stops40h 20m
Multiple Airlines
Deal found 1/8£822
Tue 1/916:20
PHL
-
BFS
2 stops19h 05m
Multiple Airlines
Tue 8/905:55
BFS
-
PHL
3 stops33h 16m
Multiple Airlines
Deal found 2/8£851

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 3 August 2026.

Round-trip from

£638
British Airways
  • British Airways
  • 8/11-16/11
  • 2 total stops
  • 37h 45m 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 3 August 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

£658

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 10/9

17:40-23:05

3 stops24h 25m

Belfast Intl

Thu 17/9

12:45-18:55

3 stops35h 10m

£681

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 1/9

18:45-10:45

1 stop11h 00m

Belfast City

Tue 29/9

06:30-16:40

1 stop15h 10m

£688

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 11/11

18:35-10:15

1 stop10h 40m

Belfast City

Fri 13/11

19:35-16:15

1 stop25h 40m

£695
Fastest return journey

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 20/11

16:17-10:30

2 stops13h 13m

Belfast City

Fri 27/11

06:45-13:50

1 stop12h 05m

£722

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 8/11

15:20-21:40

3 stops25h 20m

Belfast Intl

Mon 16/11

06:05-16:00

3 stops38h 55m

£743

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 10/9

17:40-23:05

3 stops24h 25m

Belfast Intl

Sun 20/9

22:10-18:55

3 stops25h 45m

£752

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Tue 1/9

16:20-16:25

2 stops19h 05m

Belfast Intl

Tue 29/9

07:35-18:55

3 stops40h 20m

£770

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 6/9

17:40-21:30

3 stops22h 50m

Belfast Intl

Tue 22/9

07:35-18:55

3 stops40h 20m

£822

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Tue 1/9

16:20-16:25

2 stops19h 05m

Belfast Intl

Tue 8/9

05:55-10:11

3 stops33h 16m

£851

Flights are sorted by cheapest return flights first.

Deals found on 30/7

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.
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 £658, 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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Newark to Edinburgh flights
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LaGuardia to Stansted flights
John F Kennedy Intl to Manchester flights
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Pittsburgh to Heathrow flights
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Philadelphia to Gatwick flights
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John F Kennedy Intl to Glasgow Intl flights
Philadelphia to Edinburgh flights
Philadelphia to Luton flights
Philadelphia to Stansted flights
Reagan-National to Luton flights
LaGuardia to Manchester flights
Reagan-National to Edinburgh flights
Pittsburgh to Gatwick flights
LaGuardia to Glasgow Intl flights
Pittsburgh to London City flights
Dulles Intl to Manchester flights
Reagan-National to Manchester flights
Dulles Intl to Glasgow Intl flights
Reagan-National to Stansted flights
Pittsburgh to Luton flights

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