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Belfast Intl

$443+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
May 21 — May 281
Thu 5/21
Thu 5/28
1 adult, Economy
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Cheap 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 April 21, 2026.

This Mytrip deal was found by Cheapflights users on 4/16. 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.
Thu 5/1411:07 am
PHL
-
BFS
3 stops30h 58m
Multiple Airlines
Fri 6/55:20 pm
BFS
-
PHL
3 stops33h 13m
Multiple Airlines
Deal found 4/16$1,183
This Mytrip deal was found by Cheapflights users on 4/18. 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 5/1910:05 am
PHL
-
BFS
3 stops24h 10m
Multiple Airlines
Tue 5/265:10 pm
BFS
-
PHL
3 stops35h 35m
Multiple Airlines
Deal found 4/18$1,191
This Mytrip deal was found by Cheapflights users on 4/19. 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 6/310:25 am
PHL
-
BFS
2 stops25h 40m
Multiple Airlines
Wed 6/104:45 pm
BFS
-
PHL
3 stops36h 00m
Multiple Airlines
Deal found 4/19$1,209
This Mytrip deal was found by Cheapflights users on 4/16. 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 8/198:25 pm
PHL
-
BFS
2 stops14h 45m
Multiple Airlines
Mon 8/248:35 pm
BFS
-
PHL
2 stops23h 14m
Multiple Airlines
Deal found 4/16$1,263
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sun 5/3110:25 am
PHL
-
BFS
2 stops29h 35m
Multiple Airlines
Sun 6/79:35 am
BFS
-
PHL
3 stops38h 20m
Multiple Airlines
Deal found 4/16$1,289

Find 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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,183
(Mytrip)

One-way from

$443
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Belfast Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Belfast Intl flights.
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From Philadelphia to Belfast Intl
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One-way flight from Philadelphia to Belfast Intl
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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 April 21, 2026.
Use the filters below to find and compare flights from Philadelphia to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 5/14

11:07 am-11:05 pm

3 stops30h 58m

Belfast Intl

Fri 6/5

7:20 pm-9:33 pm

3 stops31h 13m

$1,188

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 6/3

1:36 pm-9:10 pm

3 stops26h 34m

Belfast Intl

Wed 6/10

8:15 pm-6:55 pm

2 stops27h 40m

$1,188

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Tue 5/19

10:05 am-3:15 pm

3 stops24h 10m

Belfast Intl

Tue 5/26

5:10 pm-11:45 pm

3 stops35h 35m

$1,191

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 5/31

10:25 am-9:00 pm

2 stops29h 35m

Belfast Intl

Sun 6/7

9:35 am-6:55 pm

3 stops38h 20m

$1,289
Quickest round-trip

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 8/10

5:40 pm-11:10 pm

3 stops24h 30m

Belfast Intl

Thu 9/17

10:45 pm-4:05 pm

2 stops22h 20m

$1,400
Cheapest one-way
Quickest one-way

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 9/12

8:25 pm-8:15 am

2 stops30h 50m

$443

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 5/15

6:57 pm-8:40 am

3 stops56h 43m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Sorted by cheapest first

Compare providers for flights from Philadelphia to Belfast Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Belfast Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Belfast Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Belfast Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Belfast Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Belfast Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Belfast Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 21, 2026.
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
7,899 reviews

Overall

6.7

Boarding

6.9

Comfort

6.8

Crew

7.7

Food

6.4

Entertainment

6.4

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,899 reviews
British Airways
6.7
Okay
7,899 reviews

Overall

6.7

Boarding

6.9

Comfort

6.8

Crew

7.7

Food

6.4

Entertainment

6.4

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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 $577 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.

See more FAQs

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Alternative routes for Philadelphia to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Belfast Intl flights
Dulles Intl to Belfast Intl flights
Scranton to Belfast City flights

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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$979FlexibilityNo cancel feeOn-time70%

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