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.

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.

£648 Cheap Flights from Philadelphia to Northern Ireland in 2026/27

Find the cheapest flights from Philadelphia to Northern Ireland

Return

Cheap return flights

Enter your travel dates to find the best prices.

19:35 - 10:50PHL Philadelphia-BHD Belfast City

11h 15m1 stop London Heathrow

09:35 - 16:40BHD Belfast City-PHL Philadelphia

12h 05m1 stop London Heathrow

£648British Airways

Mon, 15 Mar - Thu, 8 Apr

19:35 - 13:15PHL Philadelphia-BHD Belfast City

13h 40m1 stop London Heathrow

06:30 - 16:40BHD Belfast City-PHL Philadelphia

15h 10m1 stop London Heathrow

£648British Airways

Wed, 17 Mar - Tue, 6 Apr

19:35 - 13:15PHL Philadelphia-BHD Belfast City

13h 40m1 stop London Heathrow

06:30 - 16:40BHD Belfast City-PHL Philadelphia

15h 10m1 stop London Heathrow

£648British Airways

Wed, 17 Mar - Wed, 7 Apr

19:35 - 10:05PHL Philadelphia-BHD Belfast City

10h 30m1 stop London Heathrow

06:30 - 16:40BHD Belfast City-PHL Philadelphia

15h 10m1 stop London Heathrow

£648British Airways

Wed, 17 Mar - Thu, 8 Apr

19:35 - 10:50PHL Philadelphia-BHD Belfast City

11h 15m1 stop London Heathrow

10:05 - 16:40BHD Belfast City-PHL Philadelphia

11h 35m1 stop London Heathrow

£648British Airways

Mon, 15 Mar - Wed, 7 Apr

19:35 - 11:30PHL Philadelphia-BHD Belfast City

11h 55m1 stop London Heathrow

06:30 - 16:40BHD Belfast City-PHL Philadelphia

15h 10m1 stop London Heathrow

£648British Airways

Tue, 16 Mar - Tue, 6 Apr

19:35 - 10:45PHL Philadelphia-BHD Belfast City

11h 10m1 stop London Heathrow

09:35 - 16:40BHD Belfast City-PHL Philadelphia

12h 05m1 stop London Heathrow

£648British Airways

Sun, 21 Mar - Fri, 9 Apr

19:35 - 10:45PHL Philadelphia-BHD Belfast City

11h 10m1 stop London Heathrow

06:30 - 16:40BHD Belfast City-PHL Philadelphia

15h 10m1 stop London Heathrow

£648British Airways

Sun, 21 Mar - Wed, 7 Apr

19:35 - 10:50PHL Philadelphia-BHD Belfast City

11h 15m1 stop London Heathrow

09:35 - 16:40BHD Belfast City-PHL Philadelphia

12h 05m1 stop London Heathrow

£648British Airways

Mon, 15 Mar - Fri, 9 Apr

19:35 - 10:50PHL Philadelphia-BHD Belfast City

11h 15m1 stop London Heathrow

06:30 - 16:40BHD Belfast City-PHL Philadelphia

15h 10m1 stop London Heathrow

£648British Airways

Tue, 16 Mar - Thu, 8 Apr

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British Airways flights from Philadelphia to Northern Ireland

Our best British Airways deals on Philadelphia to Northern Ireland flight tickets

British Airways

17 Mar

PHL19:35Philadelphia

13h 40m

1 stop

BHD13:15Belfast City

6 Apr

BHD06:30Belfast City

15h 10m

1 stop

PHL16:40Philadelphia

£648

British Airways

21 Mar

PHL19:35Philadelphia

11h 10m

1 stop

BHD10:45Belfast City

6 Apr

BHD09:40Belfast City

12h 00m

1 stop

PHL16:40Philadelphia

£648

British Airways

16 Mar

PHL19:35Philadelphia

11h 55m

1 stop

BHD11:30Belfast City

9 Apr

BHD09:35Belfast City

12h 05m

1 stop

PHL16:40Philadelphia

£649

American Airlines flights from Philadelphia to Northern Ireland

Our best American Airlines deals on Philadelphia to Northern Ireland flight tickets

American Airlines

8 Nov

PHL19:40Philadelphia

13h 10m

1 stop

BHD13:50Belfast City

23 Nov

BHD14:50Belfast City

27h 55m

1 stop

PHL13:45Philadelphia

£651

American Airlines

19 Nov

PHL19:40Philadelphia

12h 05m

1 stop

BHD12:45Belfast City

23 Nov

BHD06:35Belfast City

12h 10m

1 stop

PHL13:45Philadelphia

£729

American Airlines

19 Nov

PHL19:40Philadelphia

13h 25m

1 stop

BHD14:05Belfast City

23 Nov

BHD08:35Belfast City

15h 39m

2 stops

PHL19:14Philadelphia

£736

momondo Fare Finder

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

Cheapest return flight

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 15/3

19:35-10:50

1 stop11h 15m

Belfast City

Thu 8/4

09:35-16:40

1 stop12h 05m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Wed 17/3

19:35-13:15

1 stop13h 40m

Belfast City

Tue 6/4

06:30-16:40

1 stop15h 10m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Wed 17/3

19:35-13:15

1 stop13h 40m

Belfast City

Wed 7/4

06:30-16:40

1 stop15h 10m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Wed 17/3

19:35-10:05

1 stop10h 30m

Belfast City

Thu 8/4

06:30-16:40

1 stop15h 10m

£648

Fastest return journey

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 15/3

19:35-10:50

1 stop11h 15m

Belfast City

Wed 7/4

10:05-16:40

1 stop11h 35m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Tue 16/3

19:35-11:30

1 stop11h 55m

Belfast City

Tue 6/4

06:30-16:40

1 stop15h 10m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 21/3

19:35-10:45

1 stop11h 10m

Belfast City

Fri 9/4

09:35-16:40

1 stop12h 05m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 21/3

19:35-10:45

1 stop11h 10m

Belfast City

Wed 7/4

06:30-16:40

1 stop15h 10m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 15/3

19:35-10:50

1 stop11h 15m

Belfast City

Fri 9/4

09:35-16:40

1 stop12h 05m

£648

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Tue 16/3

19:35-10:50

1 stop11h 15m

Belfast City

Thu 8/4

06:30-16:40

1 stop15h 10m

£648

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

Best price found	£648
Fastest flight time	11h 15m
Direct flights	None

The best flight deal from Philadelphia to Northern Ireland found on momondo in the last 72 hours is £648

The fastest flight from Philadelphia to Northern Ireland takes 11h 15m

There are no direct flights from Philadelphia to Northern Ireland. There are no popular flight routes from Philadelphia to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Philadelphia to Northern Ireland

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.

Frequently asked questions about flying from Philadelphia to Northern Ireland

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.