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Cheap flights from Philadelphia to Northern Ireland from $237

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 3/24. 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 round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:35 pm - 10:15 am
PHL
-
BHD
10h 40m
1 stop
British Airways Logo
8:25 pm - 3:05 pm
BHD
-
PHL
22h 40m
2 stops
$622British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:35 pm - 10:15 am
PHL
-
BHD
10h 40m
1 stop
British Airways Logo
8:25 pm - 3:05 pm
BHD
-
PHL
22h 40m
2 stops
$623British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:35 pm - 10:15 am
PHL
-
BHD
10h 40m
1 stop
British Airways Logo
6:30 am - 4:15 pm
BHD
-
PHL
14h 45m
1 stop
$626British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
12:19 pm - 2:15 pm
PHL
-
BHD
20h 56m
2 stops
British Airways Logo
8:25 pm - 3:05 pm
BHD
-
PHL
22h 40m
2 stops
$627British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:35 pm - 5:15 pm
PHL
-
BHD
17h 40m
1 stop
British Airways Logo
8:45 am - 4:15 pm
BHD
-
PHL
12h 30m
1 stop
$635British Airways
Fri, Feb 27 - Tue, Mar 3
British Airways Logo
6:35 pm - 10:30 am
PHL
-
BHD
10h 55m
1 stop
British Airways Logo
6:35 am - 8:34 pm
BHD
-
PHL
18h 59m
2 stops
$636British Airways
Fri, Feb 27 - Tue, Mar 3
British Airways Logo
6:45 pm - 10:45 am
PHL
-
BHD
11h 00m
1 stop
British Airways Logo
4:15 pm - 4:40 pm
BHD
-
PHL
29h 25m
1 stop
$639British Airways
Tue, Apr 28 - Sat, May 9
British Airways Logo
6:35 pm - 5:15 pm
PHL
-
BHD
17h 40m
1 stop
British Airways Logo
6:35 am - 11:53 pm
BHD
-
PHL
22h 18m
2 stops
$645British Airways
Fri, Feb 27 - Tue, Mar 3
Multiple Airlines Logo
4:35 pm - 10:20 pm
PHL
-
BFS
25h 45m
3 stops
Multiple Airlines Logo
6:30 am - 5:15 pm
BFS
-
PHL
14h 45m
1 stop
$1,318Multiple Airlines
Sat, Mar 14 - Thu, Mar 19
Multiple Airlines Logo
4:20 pm - 7:00 pm
PHL
-
BFS
21h 40m
2 stops
Multiple Airlines Logo
6:05 am - 6:55 pm
BFS
-
PHL
17h 50m
2 stops
$1,449Multiple Airlines
Sat, Jul 4 - Fri, Jul 10

American Airlines flights from Philadelphia to Northern Ireland

Our best American Airlines deals on Philadelphia to Northern Ireland flight tickets
American Airlines
Mar 14
PHL8:40 pmPhiladelphia
13h 35m
1 stop
BHD2:15 pmBelfast City
Mar 19
BHD6:35 amBelfast City
14h 40m
1 stop
PHL5:15 pmPhiladelphia
$1,033
American Airlines
Mar 14
PHL3:59 pmPhiladelphia
15h 11m
2 stops
BHD11:10 amBelfast City
Mar 19
BHD6:35 amBelfast City
12h 00m
1 stop
PHL2:35 pmPhiladelphia
$1,037
American Airlines
Jul 4
PHL7:35 pmPhiladelphia
14h 30m
1 stop
BHD3:05 pmBelfast City
Jul 10
BHD4:25 pmBelfast City
24h 50m
1 stop
PHL12:15 pmPhiladelphia
$1,042

British Airways flights from Philadelphia to Northern Ireland

Our best British Airways deals on Philadelphia to Northern Ireland flight tickets
British Airways
Mar 4
PHL6:35 pmPhiladelphia
10h 40m
1 stop
BHD10:15 amBelfast City
Mar 8
BHD8:25 pmBelfast City
22h 40m
2 stops
PHL3:05 pmPhiladelphia
$622
British Airways
Mar 4
PHL6:35 pmPhiladelphia
10h 40m
1 stop
BHD10:15 amBelfast City
Mar 8
BHD8:25 pmBelfast City
22h 40m
2 stops
PHL3:05 pmPhiladelphia
$623
British Airways
Mar 4
PHL6:35 pmPhiladelphia
10h 40m
1 stop
BHD10:15 amBelfast City
Mar 8
BHD6:30 amBelfast City
14h 45m
1 stop
PHL4:15 pmPhiladelphia
$626

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 21, 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 3/4

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

Sun 3/8

8:25 pm-3:05 pm

2 stops22h 40m

$622

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 3/4

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

Sun 3/8

8:25 pm-3:05 pm

2 stops22h 40m

$623

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 3/4

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

Sun 3/8

6:30 am-4:15 pm

1 stop14h 45m

$626

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 3/4

12:19 pm-2:15 pm

2 stops20h 56m

Belfast City

Sun 3/8

8:25 pm-3:05 pm

2 stops22h 40m

$627

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 2/27

6:35 pm-5:15 pm

1 stop17h 40m

Belfast City

Tue 3/3

8:45 am-4:15 pm

1 stop12h 30m

$635

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 2/27

6:35 pm-10:30 am

1 stop10h 55m

Belfast City

Tue 3/3

6:35 am-8:34 pm

2 stops18h 59m

$636

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-10:45 am

1 stop11h 00m

Belfast City

Sat 5/9

4:15 pm-4:40 pm

1 stop29h 25m

$639

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 2/27

6:35 pm-5:15 pm

1 stop17h 40m

Belfast City

Tue 3/3

6:35 am-11:53 pm

2 stops22h 18m

$645

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 3/14

4:35 pm-10:20 pm

3 stops25h 45m

Belfast Intl

Thu 3/19

6:30 am-5:15 pm

1 stop14h 45m

$1,318

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 7/4

4:20 pm-7:00 pm

2 stops21h 40m

Belfast Intl

Fri 7/10

6:05 am-6:55 pm

2 stops17h 50m

$1,449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Can stopping save me money on Philadelphia to Northern Ireland flights?

You could potentially save up to 7% on your flight if you consider stops on a Philadelphia to Northern Ireland flight.

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 were last updated today.

  • How many operators does momondo search for flights from Philadelphia Airport to Northern Ireland?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Philadelphia to Northern Ireland

Compare and see reviews for airlines that fly from Philadelphia to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $619Free CancellationRating
7.2
11,172 reviews
Search American Airlines flights
British AirwaysPriceFrom $621Free CancellationRating
6.7
7,690 reviews
Search British Airways flights

Why use momondo?

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

Finding the right flight to Northern Ireland from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

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

Yes. All flights to Northern Ireland from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Northern Ireland from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Philadelphia to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Northern Ireland trip

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Find better results for your trip to Northern Ireland

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