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Cheap flights from Philadelphia to Northern Ireland from $618

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 11/19. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:58 pm - 10:15 amPHL-BHD
14h 17m2 stops
American Airlines Logo
6:35 am - 1:25 pmBHD-PHL
11h 50m1 stop
$618American Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
American Airlines Logo
3:58 pm - 10:15 amPHL-BHD
13h 17m2 stops
American Airlines Logo
6:35 am - 6:13 pmBHD-PHL
16h 38m2 stops
$628American Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
British Airways Logo
3:35 pm - 9:10 amPHL-BHD
12h 35m2 stops
British Airways Logo
2:40 pm - 4:15 pmBHD-PHL
30h 35m1 stop
$642British Airways
Find Deal
Wed, Jan 7 - Mon, Jan 12
British Airways Logo
3:35 pm - 4:35 pmPHL-BHD
20h 00m2 stops
British Airways Logo
5:45 pm - 3:30 pmBHD-PHL
26h 45m2 stops
$648British Airways
Find Deal
Wed, Jan 7 - Mon, Jan 12
American Airlines Logo
8:45 pm - 2:15 pmPHL-BHD
13h 30m1 stop
American Airlines Logo
6:35 am - 3:30 pmBHD-PHL
13h 55m1 stop
$688American Airlines
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Fri, Mar 27 - Fri, Apr 3
Multiple Airlines Logo
3:30 pm - 2:05 pmPHL-BFS
17h 35m2 stops
Multiple Airlines Logo
5:30 pm - 2:47 pmBFS-PHL
26h 17m3 stops
$803Multiple Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
Multiple Airlines Logo
9:20 am - 2:05 pmPHL-BFS
23h 45m3 stops
Multiple Airlines Logo
5:30 pm - 2:47 pmBFS-PHL
26h 17m3 stops
$813Multiple Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
Delta Logo
5:59 pm - 4:50 pmPHL-BHD
18h 51m2 stops
Delta Logo
6:30 am - 5:16 pmBHD-PHL
15h 46m2 stops
$885Delta
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Fri, Mar 27 - Tue, Mar 31
Delta Logo
5:59 pm - 4:50 pmPHL-BHD
18h 51m2 stops
Delta Logo
5:25 pm - 5:16 pmBHD-PHL
28h 51m2 stops
$886Delta
Find Deal
Fri, Mar 27 - Tue, Mar 31
Virgin Atlantic Logo
3:15 pm - 4:55 pmPHL-BHD
20h 40m2 stops
Virgin Atlantic Logo
6:30 am - 5:16 pmBHD-PHL
15h 46m2 stops
$1,037Virgin Atlantic
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Sun, Apr 5 - Thu, Apr 9

Delta flights from Philadelphia to Northern Ireland

Our best Delta deals on Philadelphia to Northern Ireland flight tickets
Delta
Mar 27
PHL5:59 pmPhiladelphia
18h 51m
2 stops
BHD4:50 pmBelfast City
Mar 31
BHD6:30 amBelfast City
15h 46m
2 stops
PHL5:16 pmPhiladelphia
$885
Find similar
Delta
Mar 27
PHL5:59 pmPhiladelphia
18h 51m
2 stops
BHD4:50 pmBelfast City
Mar 31
BHD5:25 pmBelfast City
28h 51m
2 stops
PHL5:16 pmPhiladelphia
$886
Find similar
Delta
Oct 17
PHL7:59 pmPhiladelphia
15h 56m
2 stops
BHD4:55 pmBelfast City
Oct 24
BHD6:30 amBelfast City
21h 35m
2 stops
PHL11:05 pmPhiladelphia
$1,010
Find similar

American Airlines flights from Philadelphia to Northern Ireland

Our best American Airlines deals on Philadelphia to Northern Ireland flight tickets
American Airlines
Nov 19
PHL2:58 pmPhiladelphia
14h 17m
2 stops
BHD10:15 amBelfast City
Nov 25
BHD6:35 amBelfast City
11h 50m
1 stop
PHL1:25 pmPhiladelphia
$618
Find similar
American Airlines
Nov 19
PHL3:58 pmPhiladelphia
13h 17m
2 stops
BHD10:15 amBelfast City
Nov 25
BHD6:35 amBelfast City
16h 38m
2 stops
PHL6:13 pmPhiladelphia
$628
Find similar
American Airlines
Mar 27
PHL8:45 pmPhiladelphia
13h 30m
1 stop
BHD2:15 pmBelfast City
Apr 3
BHD6:35 amBelfast City
13h 55m
1 stop
PHL3:30 pmPhiladelphia
$688
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 October 16, 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 11/19

2:58 pm-10:15 am

2 stops14h 17m

Belfast City

Tue 11/25

6:35 am-1:25 pm

1 stop11h 50m

$618

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 11/19

3:58 pm-10:15 am

2 stops13h 17m

Belfast City

Tue 11/25

6:35 am-6:13 pm

2 stops16h 38m

$628

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 1/7

3:35 pm-9:10 am

2 stops12h 35m

Belfast City

Mon 1/12

2:40 pm-4:15 pm

1 stop30h 35m

$642

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 1/7

3:35 pm-4:35 pm

2 stops20h 00m

Belfast City

Mon 1/12

5:45 pm-3:30 pm

2 stops26h 45m

$648

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

8:45 pm-2:15 pm

1 stop13h 30m

Belfast City

Fri 4/3

6:35 am-3:30 pm

1 stop13h 55m

$688

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 11/19

3:30 pm-2:05 pm

2 stops17h 35m

Belfast Intl

Tue 11/25

5:30 pm-2:47 pm

3 stops26h 17m

$803

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 11/19

9:20 am-2:05 pm

3 stops23h 45m

Belfast Intl

Tue 11/25

5:30 pm-2:47 pm

3 stops26h 17m

$813

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

5:59 pm-4:50 pm

2 stops18h 51m

Belfast City

Tue 3/31

6:30 am-5:16 pm

2 stops15h 46m

$885

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

5:59 pm-4:50 pm

2 stops18h 51m

Belfast City

Tue 3/31

5:25 pm-5:16 pm

2 stops28h 51m

$886

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 4/5

3:15 pm-4:55 pm

2 stops20h 40m

Belfast City

Thu 4/9

6:30 am-5:16 pm

2 stops15h 46m

$1,037

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 $685Free CancellationRating
6.7
7,457 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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