HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Northern Ireland

$458+ Cheap flights from Philadelphia (PHL) to Northern Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Northern Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Northern Ireland

Cheapest flights from Philadelphia to Northern Ireland
Explore the most affordable flight options available from Philadelphia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/153:46 pmPHL - BHD
2 stops13h 54mAmerican Airlines
vie. 12/268:45 amBHD - PHL
2 stops18h 01mAmerican Airlines
Deal found 12/11$687
This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/157:51 pmPHL - BHD
1 stop13h 24mBritish Airways
vie. 12/266:45 amBHD - PHL
1 stop11h 30mBritish Airways
Deal found 12/11$850
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/284:47 pmPHL - BHD
2 stops16h 08mAmerican Airlines
mié. 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,033
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/251:25 pmPHL - BHD
2 stops19h 35mAmerican Airlines
mié. 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,093
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/273:55 pmPHL - BHD
2 stops17h 20mAmerican Airlines
mié. 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,101
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/284:47 pmPHL - BHD
2 stops19h 03mAmerican Airlines
mar. 1/611:25 amBHD - PHL
1 stop31h 05mAmerican Airlines
Deal found 12/11$1,135
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/294:47 pmPHL - BHD
2 stops18h 18mAmerican Airlines
mié. 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,145
This British Airways deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/237:50 pmPHL - BHD
2 stops14h 00mBritish Airways
mar. 1/65:15 pmBHD - PHL
1 stop25h 15mBritish Airways
Deal found 12/11$1,190
This Mytrip deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/267:50 amPHL - BFS
3 stops33h 10mMultiple Airlines
dom. 1/411:05 pmBFS - PHL
2 stops29h 51mMultiple Airlines
Deal found 12/11$1,596
This Mytrip deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/225:30 pmPHL - BFS
2 stops17h 45mMultiple Airlines
dom. 1/411:05 pmBFS - PHL
2 stops29h 51mMultiple Airlines
Deal found 12/11$2,555

Find flight deals from Philadelphia to Northern Ireland

Keep the following information in mind while searching for Philadelphia to Northern Ireland flight deals. Data was last updated diciembre 12, 2025.

Round-trip from

$649
(Cheapflightsfares)

One-way from

$458
(oojo)

Popular in

June

Cheapest in

January
From Philadelphia to Northern Ireland
Search Deals
One-way flight from Philadelphia to Northern Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Northern Ireland that are best for you.

Fly from

Philadelphia

Fly to

Northern Ireland

Route

Depart

Return

Price

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

mar. 4/28

6:45 pm-10:35 am

1 stop10h 50m

Belfast City

sáb. 5/9

7:05 am-4:40 pm

1 stop14h 35m

$664

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

mié. 2/4

4:44 pm-2:15 pm

2 stops16h 31m

Belfast City

dom. 2/8

6:30 am-4:15 pm

1 stop14h 45m

$669

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

mié. 2/11

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

dom. 2/15

5:35 pm-4:15 pm

1 stop27h 40m

$674

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

mié. 2/4

4:44 pm-10:15 am

2 stops12h 31m

Belfast City

dom. 2/8

6:30 am-1:30 pm

1 stop12h 00m

$676

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

vie. 3/27

4:41 pm-10:30 am

2 stops13h 49m

Belfast City

vie. 4/3

4:20 pm-11:40 am

2 stops24h 20m

$688

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

vie. 3/27

3:40 pm-10:30 am

2 stops14h 50m

Belfast City

vie. 4/3

9:30 am-3:30 pm

1 stop11h 00m

$692

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

dom. 1/25

3:30 pm-6:55 pm

3 stops22h 25m

Belfast Intl

dom. 2/1

11:05 pm-2:47 pm

3 stops20h 42m

$1,051

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

jue. 4/16

7:30 pm-4:00 pm

1 stop15h 30m

Belfast Intl

sáb. 4/25

8:20 am-2:00 pm

1 stop10h 40m

$1,162

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

vie. 12/26

7:50 am-10:00 pm

3 stops33h 10m

Belfast Intl

dom. 1/4

11:05 pm-11:56 pm

2 stops29h 51m

$1,596

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

lun. 12/22

5:30 pm-4:15 pm

2 stops17h 45m

Belfast Intl

dom. 1/4

11:05 pm-11:56 pm

2 stops29h 51m

$2,555

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Philadelphia to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Northern Ireland
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated diciembre 12, 2025.
Peruse reviews from past customers who have flown with British Airways from Philadelphia to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews

Food

6.4

Comfort

6.7

Crew

7.6

Entertainment

6.4

Overall

6.7

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Food

6.4

Comfort

6.7

Crew

7.6

Entertainment

6.4

Overall

6.7

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Northern Ireland?

    For a flight from Philadelphia to Northern Ireland, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How long is the flight from Philadelphia to Northern Ireland?

    For as low as $664, British Airways can have you in Northern Ireland from Philadelphia in 10h 50m. The distance from Philadelphia to Northern Ireland is about 3260 mi.

  • Can I find deals for flights from Philadelphia to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Northern Ireland.

  • Can I find deals for business class flights from Philadelphia to Northern Ireland?

    Yes. Cheapflights offers flight deals from Philadelphia to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Gatwick flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Luton flights
Newark to London City flights
Newark to Stansted flights
Newark to Luton flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to London City flights
Reagan-National to Gatwick flights
Dulles Intl to Stansted flights
Newark to Edinburgh flights
John F Kennedy Intl to Edinburgh flights
John F Kennedy Intl to Manchester flights
Dulles Intl to Luton flights
Pittsburgh to Heathrow flights
Dulles Intl to Edinburgh flights
Philadelphia to Gatwick flights
LaGuardia to Stansted flights
Philadelphia to London City flights
LaGuardia to Edinburgh flights
Philadelphia to Edinburgh flights
Reagan-National to Luton flights
Newark to Manchester flights
Newark to Glasgow Intl flights
LaGuardia to Luton flights
John F Kennedy Intl to Glasgow Intl flights
Dulles Intl to Glasgow Intl flights
LaGuardia to Manchester flights
Reagan-National to Edinburgh flights
Philadelphia to Stansted flights
Pittsburgh to Gatwick flights
Dulles Intl to Manchester flights
Reagan-National to Glasgow Intl flights
Philadelphia to Luton flights
Pittsburgh to London City flights
LaGuardia to Glasgow Intl flights
Reagan-National to Manchester flights
LaGuardia to London City flights
Philadelphia to Glasgow Intl flights
John F Kennedy Intl to Southend flights
Pittsburgh to Edinburgh flights

Top airline flying from Philadelphia to Northern Ireland

Discover the top airline that operate flights from Philadelphia to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$637Average$879FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.