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Cheap flights from Philadelphia to Northern Ireland from £159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Northern Ireland departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Philadelphia to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:35 - 10:15
PHL
-
BHD
10h 40m
1 stop
British Airways Logo
20:25 - 15:05
BHD
-
PHL
22h 40m
2 stops
£463British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:35 - 10:15
PHL
-
BHD
10h 40m
1 stop
British Airways Logo
20:25 - 15:05
BHD
-
PHL
22h 40m
2 stops
£464British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:35 - 10:15
PHL
-
BHD
10h 40m
1 stop
British Airways Logo
06:30 - 16:15
BHD
-
PHL
14h 45m
1 stop
£466British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
12:19 - 14:15
PHL
-
BHD
20h 56m
2 stops
British Airways Logo
20:25 - 15:05
BHD
-
PHL
22h 40m
2 stops
£467British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:35 - 17:15
PHL
-
BHD
17h 40m
1 stop
British Airways Logo
08:45 - 16:15
BHD
-
PHL
12h 30m
1 stop
£473British Airways
Fri, 27 Feb - Tue, 3 Mar
British Airways Logo
18:35 - 10:30
PHL
-
BHD
10h 55m
1 stop
British Airways Logo
06:35 - 20:34
BHD
-
PHL
18h 59m
2 stops
£474British Airways
Fri, 27 Feb - Tue, 3 Mar
British Airways Logo
18:45 - 10:45
PHL
-
BHD
11h 00m
1 stop
British Airways Logo
07:05 - 16:40
BHD
-
PHL
14h 35m
1 stop
£474British Airways
Tue, 28 Apr - Sat, 9 May
British Airways Logo
18:45 - 10:45
PHL
-
BHD
11h 00m
1 stop
British Airways Logo
16:15 - 16:40
BHD
-
PHL
29h 25m
1 stop
£476British Airways
Tue, 28 Apr - Sat, 9 May
Multiple Airlines Logo
16:35 - 22:20
PHL
-
BFS
25h 45m
3 stops
Multiple Airlines Logo
06:30 - 17:15
BFS
-
PHL
14h 45m
1 stop
£981Multiple Airlines
Sat, 14 Mar - Thu, 19 Mar
Multiple Airlines Logo
16:20 - 19:00
PHL
-
BFS
21h 40m
2 stops
Multiple Airlines Logo
06:05 - 18:55
BFS
-
PHL
17h 50m
2 stops
£1,079Multiple Airlines
Sat, 4 Jul - Fri, 10 Jul

American Airlines flights from Philadelphia to Northern Ireland

Our best American Airlines deals on Philadelphia to Northern Ireland flight tickets
American Airlines
14 Mar
PHL20:40Philadelphia
13h 35m
1 stop
BHD14:15Belfast City
19 Mar
BHD06:35Belfast City
14h 40m
1 stop
PHL17:15Philadelphia
£769
American Airlines
14 Mar
PHL15:59Philadelphia
15h 11m
2 stops
BHD11:10Belfast City
19 Mar
BHD06:35Belfast City
12h 00m
1 stop
PHL14:35Philadelphia
£772
American Airlines
4 Jul
PHL19:35Philadelphia
14h 30m
1 stop
BHD15:05Belfast City
10 Jul
BHD16:25Belfast City
24h 50m
1 stop
PHL12:15Philadelphia
£776

British Airways flights from Philadelphia to Northern Ireland

Our best British Airways deals on Philadelphia to Northern Ireland flight tickets
British Airways
4 Mar
PHL18:35Philadelphia
10h 40m
1 stop
BHD10:15Belfast City
8 Mar
BHD20:25Belfast City
22h 40m
2 stops
PHL15:05Philadelphia
£463
British Airways
4 Mar
PHL18:35Philadelphia
10h 40m
1 stop
BHD10:15Belfast City
8 Mar
BHD20:25Belfast City
22h 40m
2 stops
PHL15:05Philadelphia
£464
British Airways
4 Mar
PHL18:35Philadelphia
10h 40m
1 stop
BHD10:15Belfast City
8 Mar
BHD06:30Belfast City
14h 45m
1 stop
PHL16:15Philadelphia
£466

momondo 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, momondo users made 279,928 searches. Data last updated 22 January 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

Wed 4/3

18:35-10:15

1 stop10h 40m

Belfast City

Sun 8/3

20:25-15:05

2 stops22h 40m

£463

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 4/3

18:35-10:15

1 stop10h 40m

Belfast City

Sun 8/3

20:25-15:05

2 stops22h 40m

£464

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 4/3

18:35-10:15

1 stop10h 40m

Belfast City

Sun 8/3

06:30-16:15

1 stop14h 45m

£466

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 4/3

12:19-14:15

2 stops20h 56m

Belfast City

Sun 8/3

20:25-15:05

2 stops22h 40m

£467

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 27/2

18:35-17:15

1 stop17h 40m

Belfast City

Tue 3/3

08:45-16:15

1 stop12h 30m

£473

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 27/2

18:35-10:30

1 stop10h 55m

Belfast City

Tue 3/3

06:35-20:34

2 stops18h 59m

£474

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

18:45-10:45

1 stop11h 00m

Belfast City

Sat 9/5

07:05-16:40

1 stop14h 35m

£474

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

18:45-10:45

1 stop11h 00m

Belfast City

Sat 9/5

16:15-16:40

1 stop29h 25m

£476

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 14/3

16:35-22:20

3 stops25h 45m

Belfast Intl

Thu 19/3

06:30-17:15

1 stop14h 45m

£981

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 4/7

16:20-19:00

2 stops21h 40m

Belfast Intl

Fri 10/7

06:05-18:55

2 stops17h 50m

£1,079

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Philadelphia to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Northern Ireland?

British Airways is the most popular carrier operating from Philadelphia to Northern Ireland

Cheap Philadelphia to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Northern Ireland

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Philadelphia to Northern Ireland takes 10h 25m
There are no direct flights from Philadelphia to Northern Ireland. There are no popular flight routes from Philadelphia to Northern Ireland.
Search flight deals

  • When did momondo last update prices for flights from Philadelphia Airport to Northern Ireland?

    Prices for flights from Philadelphia Airport to Northern Ireland refresh daily.

  • How old do you have to be to fly from Philadelphia Airport to Northern Ireland?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Northern Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Northern Ireland for you.

Can I find flights from Philadelphia to Northern Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Northern Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Northern Ireland?

momondo helps you find the best flight between Philadelphia and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Northern Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Northern Ireland from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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