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$689+ Cheap flights from Philadelphia (PHL) to Belfast

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Philadelphia to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Belfast (BF1). 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 September 11, 2025.

Round-trip from

$689
(American Airlines)
From Philadelphia to Belfast
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Find flight deals from Philadelphia to Belfast

Cheapest flights from Philadelphia to Belfast
Explore the most affordable flight options available from Philadelphia to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/238:00 pmPHL - BHD
1 stop18h 20mAmerican Airlines
Tue 11/46:35 amBHD - PHL
1 stop11h 50mAmerican Airlines
Deal found 9/10$689
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/710:15 pmPHL - BHD
1 stop14h 15mAmerican Airlines
Sun 10/126:50 amBHD - PHL
2 stops18h 10mAmerican Airlines
Deal found 9/10$690
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Mon 11/31:50 pmPHL - BHD
2 stops21h 15mBritish Airways
Sun 11/98:25 pmBHD - PHL
2 stops24h 05mBritish Airways
Deal found 9/10$705
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/107:00 pmPHL - BHD
2 stops15h 30mAmerican Airlines
Fri 10/176:35 amBHD - PHL
2 stops16h 38mAmerican Airlines
Deal found 9/10$711
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Thu 10/237:30 pmPHL - BHD
2 stops18h 50mBritish Airways
Tue 11/45:15 pmBHD - PHL
2 stops27h 40mBritish Airways
Deal found 9/9$717
This KLM deal was found by Cheapflights users on 9/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:40 pmPHL - BHD
2 stops21h 15mKLM
Tue 9/306:30 amBHD - PHL
2 stops15h 08mKLM
Deal found 9/10$722
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:15 pmPHL - BHD
2 stops23h 00mDelta
Tue 9/306:30 amBHD - PHL
2 stops20h 04mDelta
Deal found 9/11$723
This Mytrip deal was found by Cheapflights users on 9/9. 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 10/98:30 pmPHL - BFS
2 stops22h 00mMultiple Airlines
Tue 10/145:55 amBFS - PHL
2 stops18h 05mMultiple Airlines
Deal found 9/9$1,040
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/255:59 pmPHL - BFS
3 stops25h 51mMultiple Airlines
Sat 11/16:30 amBFS - PHL
3 stops31h 22mMultiple Airlines
Deal found 9/10$1,210

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Belfast 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 September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Belfast that are best for you.

Fly from

Philadelphia

Fly to

Belfast

Route

Depart

Return

Price

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 10/23

10:15 pm-7:20 pm

1 stop16h 05m

Belfast City

Tue 11/4

6:35 am-1:25 pm

1 stop11h 50m

$689

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 10/7

6:08 pm-1:00 pm

2 stops13h 52m

Belfast City

Sun 10/12

6:50 am-8:00 pm

2 stops18h 10m

$694

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 1/15

6:35 pm-2:00 pm

1 stop14h 25m

Belfast City

Mon 1/19

7:25 pm-4:15 pm

1 stop25h 50m

$700

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 11/3

1:50 pm-4:05 pm

2 stops21h 15m

Belfast City

Sun 11/9

8:25 pm-3:30 pm

2 stops24h 05m

$705

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 10/10

7:00 pm-3:30 pm

2 stops15h 30m

Belfast City

Fri 10/17

6:35 am-6:13 pm

2 stops16h 38m

$711

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 10/23

7:30 pm-7:20 pm

2 stops18h 50m

Belfast City

Tue 11/4

5:15 pm-3:55 pm

2 stops27h 40m

$717

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 10/9

8:30 pm-11:30 pm

2 stops22h 00m

Belfast Intl

Tue 10/14

5:55 am-7:00 pm

2 stops18h 05m

$1,040

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 10/25

5:59 pm-12:50 am

3 stops25h 51m

Belfast Intl

Sat 11/1

6:30 am-9:52 am

3 stops31h 22m

$1,210

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Philadelphia to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with British Airways from Philadelphia to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,361 reviews

Boarding

6.9

Overall

6.7

Entertainment

6.4

Food

6.3

Crew

7.6

Comfort

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
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Boarding

6.9

Overall

6.7

Entertainment

6.4

Food

6.3

Crew

7.6

Comfort

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. 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?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Belfast. On average, Philadelphia has 0 outbound flights to Belfast per day from 1 airline. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • How long is the flight from Philadelphia to Belfast?

    For as low as $689, American Airlines can have you in Belfast from Philadelphia in 16h 05m. Airlines will cover a distance of 3260 mi.

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

    Cheapflights users have booked flights from Philadelphia to Belfast round-trip from $685.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Belfast 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?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Belfast (average of $657). Flying from Philadelphia to Belfast 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Philadelphia to Belfast

Discover the top airline that operate flights from Philadelphia to Belfast. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$685Average$882FlexibilityNo cancel feeOn-time70%

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