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Northern Ireland

$616+ Cheap flights from Philadelphia (PHL) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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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 December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/1. 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.
Tue 12/305:40 pmPHL - BFS
2 stops23h 55mMultiple Airlines
Tue 1/68:55 pmBFS - PHL
3 stops22h 52mMultiple Airlines
Deal found 12/1$1,274
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Wed 12/37:50 amPHL - BFS
3 stops31h 50mMultiple Airlines
Wed 12/106:30 amBFS - PHL
2 stops21h 16mMultiple Airlines
Deal found 12/2$1,460

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 December 4, 2025.

Round-trip from

$616
(Cheapflightsfares)

Popular in

June

Cheapest in

January
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 December 4, 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

Tue 4/28

6:45 pm-1:00 pm

1 stop13h 15m

Belfast City

Sat 5/9

9:35 am-4:40 pm

1 stop12h 05m

$616

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 2/11

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

Sun 2/15

9:10 am-4:15 pm

1 stop12h 05m

$622

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 1/28

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

Sun 2/1

3:10 pm-4:15 pm

1 stop30h 05m

$622

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

4:41 pm-10:30 am

2 stops13h 49m

Belfast City

Fri 4/3

6:35 am-4:40 pm

1 stop15h 05m

$633

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 1/17

3:30 pm-10:40 pm

3 stops26h 10m

Belfast Intl

Sat 1/24

6:00 am-10:46 pm

3 stops21h 46m

$819

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 3/8

6:30 pm-5:00 pm

2 stops18h 30m

Belfast Intl

Wed 3/11

8:50 pm-5:05 pm

2 stops24h 15m

$1,007

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 1/16

3:30 pm-3:10 pm

3 stops18h 40m

Belfast Intl

Mon 1/19

7:20 pm-2:47 pm

3 stops24h 27m

$1,079

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 1/22

5:40 pm-7:30 pm

2 stops20h 50m

Belfast Intl

Sat 1/24

10:25 pm-4:05 pm

2 stops22h 40m

$1,149

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 3/2

5:30 pm-1:10 pm

2 stops14h 40m

Belfast Intl

Fri 3/6

6:00 pm-2:47 pm

3 stops25h 47m

$1,153

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 3/25

8:19 am-1:45 pm

3 stops25h 26m

Belfast Intl

Fri 4/3

8:20 am-2:46 pm

3 stops35h 26m

$1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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

What is the cheapest month to book a flight from Philadelphia to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of $621). Flying from Philadelphia to Northern Ireland in December is currently the most expensive (average of $982). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 December 4, 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
7,562 reviews

Crew

7.6

Boarding

6.9

Food

6.4

Comfort

6.7

Overall

6.7

Entertainment

6.4

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
7,562 reviews
British Airways
6.7
Okay
7,562 reviews

Crew

7.6

Boarding

6.9

Food

6.4

Comfort

6.7

Overall

6.7

Entertainment

6.4

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 $616, British Airways can have you in Northern Ireland from Philadelphia in 13h 15m. 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.

  • What is the cheapest month to book a flight from Philadelphia to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Northern Ireland (average of $621). Flying from Philadelphia to Northern Ireland in December is currently the most expensive (average of $982). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$637Average$879FlexibilityNo cancel feeOn-time70%

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