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Cheap flights from Philadelphia to Northern Ireland from £415

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Northern Ireland departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:35 - 11:30PHL-BHD
11h 55m1 stop
British Airways Logo
19:25 - 16:15BHD-PHL
25h 50m1 stop
£415British Airways
Find Deal
Tue, 3 Feb - Mon, 9 Feb
British Airways Logo
15:35 - 11:30PHL-BHD
14h 55m2 stops
British Airways Logo
19:25 - 16:15BHD-PHL
25h 50m1 stop
£431British Airways
Find Deal
Tue, 3 Feb - Mon, 9 Feb
British Airways Logo
18:35 - 13:55PHL-BHD
14h 20m1 stop
British Airways Logo
06:45 - 16:15BHD-PHL
14h 30m1 stop
£432British Airways
Find Deal
Sun, 8 Feb - Fri, 20 Feb
British Airways Logo
18:59 - 08:25PHL-BHD
32h 26m2 stops
British Airways Logo
15:05 - 11:35BHD-PHL
25h 30m2 stops
£433British Airways
Find Deal
Mon, 9 Feb - Tue, 17 Feb
British Airways Logo
12:23 - 10:20PHL-BHD
16h 57m2 stops
British Airways Logo
06:35 - 16:15BHD-PHL
14h 40m1 stop
£445British Airways
Find Deal
Sun, 8 Feb - Wed, 18 Feb
British Airways Logo
15:35 - 11:30PHL-BHD
14h 55m2 stops
British Airways Logo
19:25 - 20:35BHD-PHL
30h 10m2 stops
£451British Airways
Find Deal
Tue, 3 Feb - Mon, 9 Feb
British Airways Logo
18:35 - 10:30PHL-BHD
10h 55m1 stop
British Airways Logo
06:35 - 16:15BHD-PHL
14h 40m1 stop
£458British Airways
Find Deal
Tue, 3 Feb - Mon, 9 Feb
British Airways Logo
18:45 - 10:35PHL-BHD
10h 50m1 stop
British Airways Logo
07:05 - 16:40BHD-PHL
14h 35m1 stop
£465British Airways
Find Deal
Tue, 28 Apr - Sat, 9 May
Multiple Airlines Logo
15:30 - 16:10PHL-BFS
19h 40m3 stops
Multiple Airlines Logo
07:55 - 22:46BFS-PHL
19h 51m3 stops
£550Multiple Airlines
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Wed, 14 Jan - Wed, 21 Jan
Multiple Airlines Logo
06:00 - 20:40PHL-BFS
33h 40m3 stops
Multiple Airlines Logo
06:30 - 22:03BFS-PHL
20h 33m2 stops
£790Multiple Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan

British Airways flights from Philadelphia to Northern Ireland

Our best British Airways deals on Philadelphia to Northern Ireland flight tickets
British Airways
3 Feb
PHL18:35Philadelphia
11h 55m
1 stop
BHD11:30Belfast City
9 Feb
BHD19:25Belfast City
25h 50m
1 stop
PHL16:15Philadelphia
£415
Find similar
British Airways
3 Feb
PHL15:35Philadelphia
14h 55m
2 stops
BHD11:30Belfast City
9 Feb
BHD19:25Belfast City
25h 50m
1 stop
PHL16:15Philadelphia
£431
Find similar
British Airways
8 Feb
PHL18:35Philadelphia
14h 20m
1 stop
BHD13:55Belfast City
17 Feb
BHD10:00Belfast City
11h 15m
1 stop
PHL16:15Philadelphia
£432
Find similar

Virgin Atlantic flights from Philadelphia to Northern Ireland

Our best Virgin Atlantic deals on Philadelphia to Northern Ireland flight tickets
Virgin Atlantic
30 Jan
PHL18:51Philadelphia
16h 59m
2 stops
BHD16:50Belfast City
3 Feb
BHD17:20Belfast City
29h 22m
2 stops
PHL17:42Philadelphia
£531
Find similar
Virgin Atlantic
23 Feb
PHL18:23Philadelphia
17h 27m
2 stops
BHD16:50Belfast City
27 Feb
BHD06:30Belfast City
19h 10m
2 stops
PHL20:40Philadelphia
£768
Find similar
Virgin Atlantic
23 Feb
PHL14:31Philadelphia
21h 19m
2 stops
BHD16:50Belfast City
27 Feb
BHD06:30Belfast City
15h 46m
2 stops
PHL17:16Philadelphia
£769
Find similar

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 2 December 2025.
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

Tue 3/2

18:35-11:30

1 stop11h 55m

Belfast City

Mon 9/2

19:25-16:15

1 stop25h 50m

£415

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 3/2

15:35-11:30

2 stops14h 55m

Belfast City

Mon 9/2

19:25-16:15

1 stop25h 50m

£431

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/2

18:35-13:55

1 stop14h 20m

Belfast City

Fri 20/2

06:45-16:15

1 stop14h 30m

£432

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 9/2

18:59-08:25

2 stops32h 26m

Belfast City

Tue 17/2

15:05-11:35

2 stops25h 30m

£433

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/2

12:23-10:20

2 stops16h 57m

Belfast City

Wed 18/2

06:35-16:15

1 stop14h 40m

£445

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 3/2

15:35-11:30

2 stops14h 55m

Belfast City

Mon 9/2

19:25-20:35

2 stops30h 10m

£450

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 3/2

18:35-10:30

1 stop10h 55m

Belfast City

Mon 9/2

06:35-16:15

1 stop14h 40m

£458

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 28/4

18:45-10:35

1 stop10h 50m

Belfast City

Sat 9/5

07:05-16:40

1 stop14h 35m

£465

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 14/1

15:30-16:10

3 stops19h 40m

Belfast Intl

Wed 21/1

07:55-22:46

3 stops19h 51m

£550

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 15/1

06:00-20:40

3 stops33h 40m

Belfast Intl

Thu 22/1

06:30-22:03

2 stops20h 33m

£790

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 40m

Direct flights

None
The fastest flight from Philadelphia to Northern Ireland takes 10h 40m
There are no direct flights from Philadelphia to Northern Ireland. There are no popular flight routes from Philadelphia to Northern Ireland.
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  • 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.

  • How do I get Price Alerts for flights from Philadelphia to Northern Ireland?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Philadelphia from Northern Ireland. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Philadelphia to Northern Ireland with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

An easier way to manage your Northern Ireland trip

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