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Cheap flights from Philadelphia to Northern Ireland from $698

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 9/24. 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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Cheap round-trip flights

American Airlines Logo
7:35 pm - 11:55 amPHL-BHD
11h 20m1 stop
American Airlines Logo
1:40 pm - 1:05 pmBHD-PHL
28h 25m1 stop
$698American Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
American Airlines Logo
7:35 pm - 11:55 amPHL-BHD
11h 20m1 stop
American Airlines Logo
4:25 pm - 1:05 pmBHD-PHL
25h 40m1 stop
$699American Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
Logo
8:30 pm - 6:35 pmPHL-BFS
17h 05m2 stops
Logo
5:45 am - 7:00 pmBFS-PHL
18h 15m2 stops
$733
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
10:15 pm - 3:35 pmPHL-BHD
12h 20m1 stop
American Airlines Logo
6:50 am - 1:05 pmBHD-PHL
11h 15m1 stop
$744American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
10:15 pm - 3:35 pmPHL-BHD
12h 20m1 stop
American Airlines Logo
11:30 am - 11:27 pmBHD-PHL
16h 57m2 stops
$754American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
British Airways Logo
7:35 pm - 11:55 amPHL-BHD
11h 20m1 stop
British Airways Logo
8:20 pm - 4:40 pmBHD-PHL
25h 20m2 stops
$764British Airways
Find Deal
Wed, Sep 24 - Tue, Sep 30
British Airways Logo
6:30 pm - 1:30 pmPHL-BHD
14h 00m1 stop
British Airways Logo
8:20 pm - 4:40 pmBHD-PHL
25h 20m2 stops
$765British Airways
Find Deal
Wed, Sep 24 - Tue, Sep 30
British Airways Logo
3:44 pm - 3:35 pmPHL-BHD
18h 51m2 stops
British Airways Logo
11:30 am - 1:00 pmBHD-PHL
30h 30m2 stops
$769British Airways
Find Deal
Wed, Sep 17 - Wed, Sep 24
KLM Logo
2:40 pm - 4:55 pmPHL-BHD
21h 15m2 stops
KLM Logo
6:30 am - 9:34 pmBHD-PHL
20h 04m2 stops
$832KLM
Find Deal
Wed, Sep 24 - Tue, Sep 30
Logo
2:07 pm - 8:35 pmPHL-BFS
25h 28m2 stops
Logo
9:05 pm - 10:29 pmBFS-PHL
30h 24m3 stops
$933
Find Deal
Wed, Sep 17 - Wed, Sep 24

American Airlines flights from Philadelphia to Northern Ireland

Our best American Airlines deals on Philadelphia to Northern Ireland flight tickets
American Airlines
Sep 24
PHL7:35 pmPhiladelphia
11h 20m
1 stop
BHD11:55 amBelfast City
Sep 30
BHD1:40 pmBelfast City
28h 25m
1 stop
PHL1:05 pmPhiladelphia
$698
Find similar
American Airlines
Sep 24
PHL7:35 pmPhiladelphia
11h 20m
1 stop
BHD11:55 amBelfast City
Sep 30
BHD4:25 pmBelfast City
25h 40m
1 stop
PHL1:05 pmPhiladelphia
$699
Find similar
American Airlines
Sep 17
PHL10:15 pmPhiladelphia
12h 20m
1 stop
BHD3:35 pmBelfast City
Sep 24
BHD6:50 amBelfast City
11h 15m
1 stop
PHL1:05 pmPhiladelphia
$744
Find similar

British Airways flights from Philadelphia to Northern Ireland

Our best British Airways deals on Philadelphia to Northern Ireland flight tickets
British Airways
Sep 24
PHL7:35 pmPhiladelphia
11h 20m
1 stop
BHD11:55 amBelfast City
Sep 30
BHD8:20 pmBelfast City
25h 20m
2 stops
PHL4:40 pmPhiladelphia
$764
Find similar
British Airways
Sep 24
PHL6:30 pmPhiladelphia
14h 00m
1 stop
BHD1:30 pmBelfast City
Sep 30
BHD8:20 pmBelfast City
25h 20m
2 stops
PHL4:40 pmPhiladelphia
$765
Find similar
British Airways
Sep 17
PHL3:44 pmPhiladelphia
18h 51m
2 stops
BHD3:35 pmBelfast City
Sep 24
BHD11:30 amBelfast City
30h 30m
2 stops
PHL1:00 pmPhiladelphia
$769
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 August 21, 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

Wed 9/24

7:35 pm-11:55 am

1 stop11h 20m

Belfast City

Tue 9/30

1:40 pm-1:05 pm

1 stop28h 25m

$698

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/24

7:35 pm-11:55 am

1 stop11h 20m

Belfast City

Tue 9/30

4:25 pm-1:05 pm

1 stop25h 40m

$699

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 9/17

8:30 pm-6:35 pm

2 stops17h 05m

Belfast Intl

Wed 9/24

5:45 am-7:00 pm

2 stops18h 15m

$733

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/17

10:15 pm-3:35 pm

1 stop12h 20m

Belfast City

Wed 9/24

6:50 am-1:05 pm

1 stop11h 15m

$744

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/17

10:15 pm-3:35 pm

1 stop12h 20m

Belfast City

Wed 9/24

11:30 am-11:27 pm

2 stops16h 57m

$754

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/24

7:35 pm-11:55 am

1 stop11h 20m

Belfast City

Tue 9/30

8:20 pm-4:40 pm

2 stops25h 20m

$764

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/24

6:30 pm-1:30 pm

1 stop14h 00m

Belfast City

Tue 9/30

8:20 pm-4:40 pm

2 stops25h 20m

$765

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/17

3:44 pm-3:35 pm

2 stops18h 51m

Belfast City

Wed 9/24

11:30 am-1:00 pm

2 stops30h 30m

$769

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 9/24

2:40 pm-4:55 pm

2 stops21h 15m

Belfast City

Tue 9/30

6:30 am-9:34 pm

2 stops20h 04m

$832

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 9/17

2:07 pm-8:35 pm

2 stops25h 28m

Belfast Intl

Wed 9/24

9:05 pm-10:29 pm

3 stops30h 24m

$933

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 3% 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

Direct flights

None
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
British AirwaysPriceFrom $681Free CancellationRating
6.7
7,291 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.

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