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Cheap flights from Philadelphia to Northern Ireland from £178

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
20 Mar — 27 Mar1
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 18 February 2026.

Mon 16/219:40
PHL
-
BHD
1 stop13h 35m
American Airlines
Mon 23/214:40
BHD
-
PHL
1 stop27h 35m
American Airlines
Deal found 15/2£464
Sun 16/822:20
PHL
-
BHD
1 stop14h 20m
American Airlines
Wed 26/806:30
BHD
-
PHL
1 stop14h 05m
American Airlines
Deal found 17/2£475
Sun 16/821:50
PHL
-
BHD
2 stops38h 40m
British Airways
Wed 26/816:05
BHD
-
PHL
2 stops24h 02m
British Airways
Deal found 17/2£479
Tue 1/915:40
PHL
-
BHD
2 stops18h 40m
British Airways
Mon 7/909:40
BHD
-
PHL
2 stops31h 35m
British Airways
Deal found 18/2£496
Mon 7/922:20
PHL
-
BHD
1 stop12h 10m
American Airlines
Fri 11/909:35
BHD
-
PHL
2 stops15h 18m
American Airlines
Deal found 18/2£503
Wed 2/922:20
PHL
-
BHD
1 stop12h 20m
American Airlines
Tue 8/916:25
BHD
-
PHL
1 stop24h 50m
American Airlines
Deal found 18/2£508
Tue 1/918:45
PHL
-
BHD
1 stop11h 00m
British Airways
Thu 10/909:35
BHD
-
PHL
1 stop12h 05m
British Airways
Deal found 18/2£509
Fri 24/422:05
PHL
-
BHD
1 stop12h 25m
American Airlines
Wed 29/406:30
BHD
-
PHL
1 stop13h 55m
American Airlines
Deal found 18/2£512
Wed 1/420:25
PHL
-
BFS
2 stops13h 55m
Multiple Airlines
Wed 8/407:30
BFS
-
PHL
2 stops16h 25m
Multiple Airlines
Deal found 15/2£704
Wed 2/917:40
PHL
-
BFS
2 stops22h 30m
Multiple Airlines
Tue 8/905:55
BFS
-
PHL
2 stops14h 46m
Multiple Airlines
Deal found 18/2£802
Fri 24/417:40
PHL
-
BFS
2 stops17h 50m
Multiple Airlines
Wed 29/409:45
BFS
-
PHL
3 stops38h 10m
Multiple Airlines
Deal found 18/2£929
Sun 1/307:25
PHL
-
BFS
3 stops32h 50m
Multiple Airlines
Sat 14/305:45
BFS
-
PHL
3 stops39h 20m
Multiple Airlines
Deal found 16/2£956

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 18 February 2026.

Round-trip from

£475

One-way from

£178

Popular in

June

Cheapest in

March

Average price

£742
American Airlines
  • American Airlines
  • 16/8-26/8
  • 2 total stops
  • 28h 25m total
  • Philadelphia to Northern Ireland
Search Deals
American Airlines
  • American Airlines
  • 8/7
  • 2 total stops
  • 14h 55m total
  • Philadelphia to Northern Ireland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 18 February 2026.
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 16/8

22:20-17:40

1 stop14h 20m

Belfast City

Wed 26/8

06:30-15:35

1 stop14h 05m

£475

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 16/8

21:50-17:30

2 stops38h 40m

Belfast City

Wed 26/8

19:40-16:40

1 stop26h 00m

£481

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

22:05-15:20

1 stop12h 15m

Belfast City

Sat 9/5

07:05-15:25

1 stop13h 20m

£512

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

18:45-15:20

1 stop15h 35m

Belfast City

Sat 9/5

07:05-16:40

1 stop14h 35m

£515

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 24/4

11:18-18:10

2 stops25h 52m

Belfast City

Wed 29/4

10:05-20:58

2 stops15h 53m

£540

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 6/4

18:45-19:25

1 stop19h 40m

Belfast City

Sun 12/4

19:10-16:40

1 stop26h 30m

£554

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 19/3

17:37-14:00

2 stops16h 23m

Belfast City

Thu 26/3

11:05-15:50

2 stops32h 45m

£572

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 1/4

20:25-15:20

2 stops13h 55m

Belfast Intl

Wed 8/4

07:30-18:55

2 stops16h 25m

£704

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 24/4

17:40-16:30

2 stops17h 50m

Belfast Intl

Wed 29/4

09:45-18:55

3 stops38h 10m

£929

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 1/3

07:25-21:15

3 stops32h 50m

Belfast Intl

Sat 14/3

05:45-17:05

3 stops39h 20m

£956

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 19 results
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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 £475, American Airlines can have you in Northern Ireland from Philadelphia in 14h 20m. The distance between Philadelphia and 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 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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