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Belfast Intl

$324+ Cheap flights from Philadelphia (PHL) to Belfast Intl (BFS)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Philadelphia to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2025.

Round-trip from

$733
(Mytrip)

One-way from

$324
(Kiwi.com)
From Philadelphia to Belfast Intl
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One-way flight from Philadelphia to Belfast Intl
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Find flight deals from Philadelphia to Belfast Intl

Cheapest flights from Philadelphia to Belfast Intl
Explore the most affordable flight options available from Philadelphia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Mytrip deal was found by Cheapflights users on 8/20. 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 9/178:30 pmPHL - BFS
2 stops17h 05mMultiple Airlines
Wed 9/245:45 amBFS - PHL
2 stops18h 15mMultiple Airlines
Deal found 8/20$733
This Mytrip deal was found by Cheapflights users on 8/21. 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.
Fri 9/2610:41 amPHL - BFS
3 stops30h 39mMultiple Airlines
Mon 9/296:10 amBFS - PHL
2 stops22h 49mMultiple Airlines
Deal found 8/21$946
This Mytrip deal was found by Cheapflights users on 8/20. 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.
Sat 10/48:30 pmPHL - BFS
2 stops21h 00mMultiple Airlines
Sat 10/119:40 amBFS - PHL
2 stops19h 07mMultiple Airlines
Deal found 8/20$1,122
This Mytrip deal was found by Cheapflights users on 8/20. 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 8/276:45 pmPHL - BFS
2 stops15h 45mMultiple Airlines
Wed 9/36:10 amBFS - PHL
3 stops31h 40mMultiple Airlines
Deal found 8/20$1,140

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Belfast Intl 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 August 21, 2025.
Use the filters below to find and compare flights from Philadelphia to Belfast Intl Airport that are best for you.

Fly from

Philadelphia

Fly to

Belfast Intl

Route

Depart

Return

Price

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 - BFS

PHLBFS

Philadelphia

Fri 9/26

10:41 am-10:20 pm

3 stops30h 39m

Belfast Intl

Mon 9/29

6:10 am-11:59 pm

2 stops22h 49m

$946

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 10/4

8:30 pm-10:30 pm

2 stops21h 00m

Belfast Intl

Sat 10/11

9:40 am-11:47 pm

2 stops19h 07m

$1,122

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 9/15

4:03 pm-9:55 am

3 stops36h 52m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Best time to book a flight from Philadelphia to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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.

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Belfast Intl. Reviews last updated August 21, 2025.
Get a feel of what it's like to fly with British Airways from Philadelphia to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,291 reviews

Boarding

6.9

Crew

7.6

Overall

6.7

Food

6.3

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.7
Okay
7,291 reviews
British Airways
6.7
Okay
7,291 reviews

Boarding

6.9

Crew

7.6

Overall

6.7

Food

6.3

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Belfast Intl. 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 Belfast Intl?

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Belfast Intl. You should not have trouble finding flights to Belfast Intl from Philadelphia; the airport handles an average of 0 outbound flights to Belfast Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Philadelphia airport to Belfast Intl. It is only a 7.0 mi journey to Philadelphia (PHL) from Philadelphia’s city center.

  • What is the cheapest airline to fly from Philadelphia to Belfast Intl Airport round-trip?

    Our cheapest airline available from Philadelphia to Belfast Intl Airport is British Airways. Our recent data shows that you can find tickets from as low as $685 on this airline.

  • Can I find deals for flights from Philadelphia to Belfast Intl that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to Belfast Intl?

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

  • Can I find deals for business class flights from Philadelphia to Belfast Intl?

    Yes. Cheapflights offers flight deals from Philadelphia to Belfast Intl 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 Belfast Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Belfast Intl Airport (average of $657). Flying from Philadelphia to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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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Top airline flying from Philadelphia to Belfast Intl

Discover the top airline that operate flights from Philadelphia to Belfast Intl. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$685Average$991FlexibilityNo cancel feeOn-time70%

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