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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
31 Mar — 7 Apr1
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 1 March 2026.

Wed 11/316:43
PHL
-
BHD
2 stops13h 32m
American Airlines
Wed 18/306:35
BHD
-
PHL
1 stop12h 00m
American Airlines
Deal found 27/2£482
Tue 31/319:40
PHL
-
BHD
1 stop10h 05m
American Airlines
Tue 7/416:25
BHD
-
PHL
1 stop24h 45m
American Airlines
Deal found 1/3£491
Sun 16/810:37
PHL
-
BHD
2 stops22h 58m
British Airways
Wed 26/810:05
BHD
-
PHL
1 stop11h 35m
British Airways
Deal found 26/2£491
Wed 13/518:45
PHL
-
BHD
1 stop13h 50m
British Airways
Wed 20/510:05
BHD
-
PHL
1 stop11h 35m
British Airways
Deal found 25/2£506
Tue 28/418:45
PHL
-
BHD
1 stop11h 00m
British Airways
Sat 9/509:35
BHD
-
PHL
1 stop12h 05m
British Airways
Deal found 25/2£508
Tue 31/306:05
PHL
-
BHD
2 stops22h 15m
Delta
Tue 7/409:50
BHD
-
PHL
2 stops16h 33m
Delta
Deal found 1/3£517
Tue 28/422:05
PHL
-
BHD
1 stop14h 30m
American Airlines
Sat 9/507:05
BHD
-
PHL
2 stops16h 50m
American Airlines
Deal found 25/2£520
Tue 28/419:40
PHL
-
BHD
2 stops14h 40m
Multiple Airlines
Sat 9/509:35
BHD
-
PHL
1 stop12h 05m
Multiple Airlines
Deal found 26/2£525
Sun 5/406:30
PHL
-
BFS
3 stops33h 30m
Multiple Airlines
Thu 9/406:10
BFS
-
PHL
2 stops21h 42m
Multiple Airlines
Deal found 25/2£772
Tue 31/317:40
PHL
-
BFS
2 stops16h 35m
Multiple Airlines
Tue 7/406:15
BFS
-
PHL
2 stops21h 37m
Multiple Airlines
Deal found 1/3£843
Fri 1/515:25
PHL
-
BFS
3 stops24h 50m
Multiple Airlines
Tue 5/505:55
BFS
-
PHL
2 stops14h 43m
Multiple Airlines
Deal found 27/2£892
Fri 27/307:25
PHL
-
BFS
3 stops34h 35m
Multiple Airlines
Sat 4/409:30
BFS
-
PHL
2 stops14h 25m
Multiple Airlines
Deal found 25/2£1,026

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 1 March 2026.

Round-trip from

£482

One-way from

£178

Popular in

June

Cheapest in

March

Average price

£450
American Airlines
  • American Airlines
  • 11/3-18/3
  • 3 total stops
  • 25h 32m total
  • Philadelphia to Northern Ireland
Search Deals
American Airlines
  • American Airlines
  • 8/7
  • 2 total stops
  • 14h 45m total
  • Philadelphia to Northern Ireland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£142 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 March 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 1 March 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

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 16/8

10:37-14:35

2 stops22h 58m

Belfast City

Wed 26/8

10:05-16:40

1 stop11h 35m

£491

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

18:45-10:45

1 stop11h 00m

Belfast City

Sat 9/5

09:35-16:40

1 stop12h 05m

£508

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

19:40-15:20

2 stops14h 40m

Belfast City

Sat 9/5

09:35-16:40

1 stop12h 05m

£533

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 24/3

15:35-10:30

2 stops14h 55m

Belfast City

Wed 1/4

06:30-16:40

1 stop15h 10m

£627

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 25/3

17:33-16:50

2 stops19h 17m

Belfast City

Sun 5/4

17:30-16:53

2 stops28h 23m

£674

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 1/8

18:45-10:05

1 stop10h 20m

Belfast City

Sat 8/8

19:05-16:40

1 stop26h 35m

£680

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 20/3

18:30-13:25

2 stops14h 55m

Belfast City

Tue 24/3

19:25-16:45

2 stops25h 20m

£701

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 7/6

22:10-14:35

1 stop11h 25m

Belfast City

Sun 14/6

06:30-16:40

1 stop15h 10m

£710

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 5/4

06:30-21:00

3 stops33h 30m

Belfast Intl

Thu 9/4

06:10-22:52

2 stops21h 42m

£772

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 1/4

09:53-15:55

3 stops25h 02m

Belfast Intl

Sat 4/4

09:30-18:55

2 stops14h 25m

£877

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 18 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 £491, British Airways can have you in Northern Ireland from Philadelphia in 22h 58m. 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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LaGuardia to Manchester flights
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Philadelphia to Luton flights
Pittsburgh to London City flights
Pittsburgh to Gatwick flights
Dulles Intl to Manchester flights
LaGuardia to Glasgow Intl flights
Pittsburgh to Edinburgh flights
Reagan-National to Manchester flights
Reagan-National to Stansted flights

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

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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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