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Cheap flights from Philadelphia to Northern Ireland from $549

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Northern Ireland departing on 2/3. 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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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 - 11:30 amPHL-BHD
11h 55m1 stop
British Airways Logo
7:25 pm - 4:15 pmBHD-PHL
25h 50m1 stop
$549British Airways
Find Deal
Tue, Feb 3 - Mon, Feb 9
British Airways Logo
3:35 pm - 11:30 amPHL-BHD
14h 55m2 stops
British Airways Logo
7:25 pm - 4:15 pmBHD-PHL
25h 50m1 stop
$570British Airways
Find Deal
Tue, Feb 3 - Mon, Feb 9
British Airways Logo
3:35 pm - 11:30 amPHL-BHD
14h 55m2 stops
British Airways Logo
7:25 pm - 8:35 pmBHD-PHL
30h 10m2 stops
$596British Airways
Find Deal
Tue, Feb 3 - Mon, Feb 9
British Airways Logo
6:35 pm - 10:30 amPHL-BHD
10h 55m1 stop
British Airways Logo
6:35 am - 4:15 pmBHD-PHL
14h 40m1 stop
$606British Airways
Find Deal
Tue, Feb 3 - Mon, Feb 9
British Airways Logo
6:45 pm - 10:35 amPHL-BHD
10h 50m1 stop
British Airways Logo
7:05 am - 4:40 pmBHD-PHL
14h 35m1 stop
$615British Airways
Find Deal
Tue, Apr 28 - Sat, May 9
British Airways Logo
6:35 pm - 10:30 amPHL-BHD
10h 55m1 stop
British Airways Logo
6:35 am - 4:15 pmBHD-PHL
14h 40m1 stop
$622British Airways
Find Deal
Fri, Jan 30 - Tue, Feb 3
British Airways Logo
6:45 pm - 7:25 pmPHL-BHD
19h 40m1 stop
British Airways Logo
7:05 am - 4:40 pmBHD-PHL
14h 35m1 stop
$626British Airways
Find Deal
Tue, Apr 28 - Sat, May 9
British Airways Logo
6:35 pm - 2:15 pmPHL-BHD
14h 40m1 stop
British Airways Logo
2:40 pm - 4:15 pmBHD-PHL
30h 35m1 stop
$632British Airways
Find Deal
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
3:30 pm - 4:10 pmPHL-BFS
19h 40m3 stops
Multiple Airlines Logo
7:55 am - 10:46 pmBFS-PHL
19h 51m3 stops
$727Multiple Airlines
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Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
6:00 am - 8:40 pmPHL-BFS
33h 40m3 stops
Multiple Airlines Logo
6:30 am - 10:03 pmBFS-PHL
20h 33m2 stops
$1,045Multiple Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22

British Airways flights from Philadelphia to Northern Ireland

Our best British Airways deals on Philadelphia to Northern Ireland flight tickets
British Airways
Feb 3
PHL6:35 pmPhiladelphia
11h 55m
1 stop
BHD11:30 amBelfast City
Feb 9
BHD7:25 pmBelfast City
25h 50m
1 stop
PHL4:15 pmPhiladelphia
$549
Find similar
British Airways
Feb 3
PHL3:35 pmPhiladelphia
14h 55m
2 stops
BHD11:30 amBelfast City
Feb 9
BHD7:25 pmBelfast City
25h 50m
1 stop
PHL4:15 pmPhiladelphia
$570
Find similar
British Airways
Mar 25
PHL7:35 pmPhiladelphia
19h 35m
1 stop
BHD7:10 pmBelfast City
Apr 3
BHD9:30 amBelfast City
12h 10m
1 stop
PHL4:40 pmPhiladelphia
$578
Find similar

Virgin Atlantic flights from Philadelphia to Northern Ireland

Our best Virgin Atlantic deals on Philadelphia to Northern Ireland flight tickets
Virgin Atlantic
Jan 30
PHL6:51 pmPhiladelphia
16h 59m
2 stops
BHD4:50 pmBelfast City
Feb 3
BHD5:20 pmBelfast City
29h 22m
2 stops
PHL5:42 pmPhiladelphia
$702
Find similar
Virgin Atlantic
Feb 23
PHL2:31 pmPhiladelphia
21h 19m
2 stops
BHD4:50 pmBelfast City
Feb 27
BHD6:30 amBelfast City
15h 46m
2 stops
PHL5:16 pmPhiladelphia
$1,017
Find similar

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 December 2, 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 2/3

6:35 pm-11:30 am

1 stop11h 55m

Belfast City

Mon 2/9

7:25 pm-4:15 pm

1 stop25h 50m

$549

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 2/3

3:35 pm-11:30 am

2 stops14h 55m

Belfast City

Mon 2/9

7:25 pm-4:15 pm

1 stop25h 50m

$570

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 2/3

3:35 pm-11:30 am

2 stops14h 55m

Belfast City

Mon 2/9

7:25 pm-8:35 pm

2 stops30h 10m

$596

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 2/3

6:35 pm-10:30 am

1 stop10h 55m

Belfast City

Mon 2/9

6:35 am-4:15 pm

1 stop14h 40m

$606

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-10:35 am

1 stop10h 50m

Belfast City

Sat 5/9

7:05 am-4:40 pm

1 stop14h 35m

$615

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 1/30

6:35 pm-10:30 am

1 stop10h 55m

Belfast City

Tue 2/3

6:35 am-4:15 pm

1 stop14h 40m

$622

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-7:25 pm

1 stop19h 40m

Belfast City

Sat 5/9

7:05 am-4:40 pm

1 stop14h 35m

$626

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 1/16

6:35 pm-2:15 pm

1 stop14h 40m

Belfast City

Mon 1/19

2:40 pm-4:15 pm

1 stop30h 35m

$632

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 1/14

3:30 pm-4:10 pm

3 stops19h 40m

Belfast Intl

Wed 1/21

7:55 am-10:46 pm

3 stops19h 51m

$727

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 1/15

6:00 am-8:40 pm

3 stops33h 40m

Belfast Intl

Thu 1/22

6:30 am-10:03 pm

2 stops20h 33m

$1,045

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Wednesday when prices can be found for as low as $736. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Northern Ireland for around $1,214.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the evening is the cheapest time of day to fly from Philadelphia to Northern Ireland when you can find flight prices for as low as $788. Flying to Northern Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $849.

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

You could potentially save up to 2% 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 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 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
British AirwaysPriceFrom $637Free CancellationRating
6.7
7,550 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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