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Belfast Intl

$787+ Cheap flights from Philadelphia (PHL) to Belfast Intl (BFS)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Nov 18 — Nov 251
Tue 11/18
Tue 11/25
1 adult, Economy
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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 October 19, 2025.

This Mytrip deal was found by Cheapflights users on 10/17. 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.
Mon 12/19:20 amPHL - BFS
3 stops26h 15mMultiple Airlines
Mon 12/810:30 amBFS - PHL
3 stops34h 35mMultiple Airlines
Deal found 10/17$787
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Mon 11/103:30 pmPHL - BFS
3 stops26h 05mMultiple Airlines
Mon 11/177:50 amBFS - PHL
2 stops13h 10mMultiple Airlines
Deal found 10/19$1,067
This Mytrip deal was found by Cheapflights users on 10/18. 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.
Sun 10/197:30 amPHL - BFS
2 stops27h 25mMultiple Airlines
Wed 10/226:10 amBFS - PHL
3 stops38h 44mMultiple Airlines
Deal found 10/18$1,119
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Mon 10/208:30 pmPHL - BFS
2 stops21h 10mMultiple Airlines
Mon 10/275:30 pmBFS - PHL
2 stops27h 30mMultiple Airlines
Deal found 10/19$1,303
This Mytrip deal was found by Cheapflights users on 10/18. 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.
Fri 12/193:30 pmPHL - BFS
3 stops18h 40mMultiple Airlines
Tue 12/238:55 pmBFS - PHL
3 stops22h 52mMultiple Airlines
Deal found 10/18$1,484

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 October 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$787
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$694
Provider with most accurate pricing for Philadelphia-Belfast Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Belfast Intl flights.
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From Philadelphia to Belfast Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 19, 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

Mon 12/1

9:20 am-4:35 pm

3 stops26h 15m

Belfast Intl

Mon 12/8

10:30 am-4:05 pm

3 stops34h 35m

$787

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 11/10

3:30 pm-10:35 pm

3 stops26h 05m

Belfast Intl

Mon 11/17

7:50 am-4:00 pm

2 stops13h 10m

$1,067

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 12/19

3:30 pm-3:10 pm

3 stops18h 40m

Belfast Intl

Tue 12/23

8:55 pm-2:47 pm

3 stops22h 52m

$1,484

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Belfast Intl Airport

What is the cheapest month to book a flight from Philadelphia to Belfast Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Belfast Intl Airport (average of $616). Flying from Philadelphia to Belfast Intl Airport in February is currently the most expensive (average of $1,005). 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 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 October 19, 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
7,461 reviews

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

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
7,461 reviews
British Airways
6.7
Okay
7,461 reviews

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

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 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. This flight start at 20% lower than the current average price 3 months from now.

  • 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, October is the cheapest month in which you can book a flight from Philadelphia to Belfast Intl Airport (average of $616). Flying from Philadelphia to Belfast Intl Airport in February is currently the most expensive (average of $1,005). 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 October 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$685Average$985FlexibilityNo cancel feeOn-time70%

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