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$458+ Cheap flights from Philadelphia (PHL) to Belfast

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:46 pmPHL - BHD
2 stops13h 54mAmerican Airlines
Fri 12/268:45 amBHD - PHL
2 stops18h 01mAmerican Airlines
Deal found 12/11$687
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:51 pmPHL - BHD
1 stop13h 24mBritish Airways
Fri 12/266:45 amBHD - PHL
1 stop11h 30mBritish Airways
Deal found 12/11$850
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:47 pmPHL - BHD
2 stops16h 08mAmerican Airlines
Wed 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,033
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:25 pmPHL - BHD
2 stops19h 35mAmerican Airlines
Wed 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,093
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:55 pmPHL - BHD
2 stops17h 20mAmerican Airlines
Wed 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,101
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:47 pmPHL - BHD
2 stops19h 03mAmerican Airlines
Tue 1/611:25 amBHD - PHL
1 stop31h 05mAmerican Airlines
Deal found 12/11$1,135
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:47 pmPHL - BHD
2 stops18h 18mAmerican Airlines
Wed 1/73:40 pmBHD - PHL
1 stop26h 50mAmerican Airlines
Deal found 12/11$1,145
This British Airways deal was found by Cheapflights users on 12/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:50 pmPHL - BHD
2 stops14h 00mBritish Airways
Tue 1/65:15 pmBHD - PHL
1 stop25h 15mBritish Airways
Deal found 12/11$1,190
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:50 amPHL - BFS
3 stops33h 10mMultiple Airlines
Sun 1/411:05 pmBFS - PHL
2 stops29h 51mMultiple Airlines
Deal found 12/11$1,596
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 pmPHL - BFS
2 stops17h 45mMultiple Airlines
Sun 1/411:05 pmBFS - PHL
2 stops29h 51mMultiple Airlines
Deal found 12/11$2,555

Find 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 December 12, 2025.

Round-trip from

$649
(Cheapflightsfares)

One-way from

$458
(oojo)

Popular in

June

Cheapest in

January
From Philadelphia to Belfast
Search Deals
One-way flight from Philadelphia to Belfast
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).
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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 December 12, 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

Tue 4/28

6:45 pm-10:35 am

1 stop10h 50m

Belfast City

Sat 5/9

7:05 am-4:40 pm

1 stop14h 35m

$664

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 2/4

4:44 pm-2:15 pm

2 stops16h 31m

Belfast City

Sun 2/8

6:30 am-4:15 pm

1 stop14h 45m

$669

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 2/11

6:35 pm-10:15 am

1 stop10h 40m

Belfast City

Sun 2/15

5:35 pm-4:15 pm

1 stop27h 40m

$674

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 2/4

4:44 pm-10:15 am

2 stops12h 31m

Belfast City

Sun 2/8

6:30 am-1:30 pm

1 stop12h 00m

$676

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

4:41 pm-10:30 am

2 stops13h 49m

Belfast City

Fri 4/3

4:20 pm-11:40 am

2 stops24h 20m

$688

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

3:40 pm-10:30 am

2 stops14h 50m

Belfast City

Fri 4/3

9:30 am-3:30 pm

1 stop11h 00m

$692

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 1/25

3:30 pm-6:55 pm

3 stops22h 25m

Belfast Intl

Sun 2/1

11:05 pm-2:47 pm

3 stops20h 42m

$1,051

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 4/16

7:30 pm-4:00 pm

1 stop15h 30m

Belfast Intl

Sat 4/25

8:20 am-2:00 pm

1 stop10h 40m

$1,162

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 12/26

7:50 am-10:00 pm

3 stops33h 10m

Belfast Intl

Sun 1/4

11:05 pm-11:56 pm

2 stops29h 51m

$1,596

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 12/22

5:30 pm-4:15 pm

2 stops17h 45m

Belfast Intl

Sun 1/4

11:05 pm-11:56 pm

2 stops29h 51m

$2,555

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 17 results
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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 December 12, 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
7,571 reviews

Comfort

6.7

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

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
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Comfort

6.7

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

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 $664, British Airways can have you in Belfast from Philadelphia in 10h 50m. 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 $637. This flight start at 26% lower than the current average price 3 months from now.

  • 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.

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$637Average$879FlexibilityNo cancel feeOn-time70%

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