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$274+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:45 pm
PHL
-
BHD
1 stop10h 45m
British Airways
Tue 10/2710:00 am
BHD
-
PHL
1 stop11h 15m
British Airways
Deal found 3/8$702
This Iberia deal was found by Cheapflights users on 3/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:45 pm
PHL
-
BHD
1 stop10h 45m
Multiple Airlines
Tue 10/277:25 pm
BHD
-
PHL
2 stops25h 20m
Multiple Airlines
Deal found 3/8$716
This British Airways deal was found by Cheapflights users on 3/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:45 pm
PHL
-
BHD
1 stop13h 10m
British Airways
Fri 8/286:30 am
BHD
-
PHL
1 stop15h 10m
British Airways
Deal found 3/9$738
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:40 pm
PHL
-
BHD
1 stop11h 05m
British Airways
Sat 5/97:05 am
BHD
-
PHL
1 stop14h 35m
British Airways
Deal found 3/8$750
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/287:35 pm
PHL
-
BHD
1 stop10h 10m
American Airlines
Sat 5/97:05 am
BHD
-
PHL
1 stop13h 25m
American Airlines
Deal found 3/7$759
This British Airways deal was found by Cheapflights users on 3/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:35 pm
PHL
-
BHD
1 stop10h 55m
British Airways
Tue 11/173:05 pm
BHD
-
PHL
1 stop30h 10m
British Airways
Deal found 3/9$761
This Iberia deal was found by Cheapflights users on 3/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:40 pm
PHL
-
BHD
2 stops14h 40m
Multiple Airlines
Sat 5/97:05 am
BHD
-
PHL
1 stop14h 35m
Multiple Airlines
Deal found 3/8$766
This Mytrip deal was found by Cheapflights users on 3/9. 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 10/810:35 am
PHL
-
BFS
2 stops27h 55m
Multiple Airlines
Sun 10/256:00 am
BFS
-
PHL
2 stops15h 00m
Multiple Airlines
Deal found 3/9$1,160
This Mytrip deal was found by Cheapflights users on 3/12. 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 6/1310:05 am
PHL
-
BFS
3 stops27h 50m
Multiple Airlines
Wed 6/175:55 am
BFS
-
PHL
2 stops14h 43m
Multiple Airlines
Deal found 3/12$1,335
This Mytrip deal was found by Cheapflights users on 3/11. 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 5/1810:05 am
PHL
-
BFS
3 stops21h 25m
Multiple Airlines
Fri 5/298:20 am
BFS
-
PHL
3 stops35h 28m
Multiple Airlines
Deal found 3/11$1,440
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Sat 7/184:20 pm
PHL
-
BFS
2 stops21h 35m
Multiple Airlines
Thu 7/237:30 am
BFS
-
PHL
2 stops16h 25m
Multiple Airlines
Deal found 3/9$1,714

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 March 12, 2026.

Round-trip from

$738
(British Airways)

One-way from

$274
(oojo)

Popular in

June

Cheapest in

March

Average price

$607
From Philadelphia to Belfast
Search Deals
One-way flight from Philadelphia to Belfast
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 12, 2026.
Use the filters below to find and compare flights from Philadelphia to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:40 pm-10:45 am

1 stop11h 05m

Belfast City

Sat 5/9

7:05 am-4:40 pm

1 stop14h 35m

$750

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

7:40 pm-3:20 pm

2 stops14h 40m

Belfast City

Sat 5/9

7:05 am-4:40 pm

1 stop14h 35m

$766

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 5/18

7:35 pm-12:55 pm

1 stop12h 20m

Belfast City

Fri 5/29

6:30 am-3:25 pm

1 stop13h 55m

$819

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 6/13

10:05 am-6:55 pm

3 stops27h 50m

Belfast Intl

Wed 6/17

5:55 am-3:38 pm

2 stops14h 43m

$1,335

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 5/18

10:05 am-12:30 pm

3 stops21h 25m

Belfast Intl

Fri 5/29

8:20 am-2:48 pm

3 stops35h 28m

$1,440

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 7/18

4:20 pm-6:55 pm

2 stops21h 35m

Belfast Intl

Thu 7/23

7:30 am-6:55 pm

2 stops16h 25m

$1,714
Cheapest one-way

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 7/18

10:20 pm-8:40 am

2 stops29h 20m

$274
Quickest one-way

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 7/8

5:40 pm-1:35 pm

2 stops14h 55m

$276

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 7/8

7:35 pm-8:35 pm

1 stop20h 00m

$297

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 7/8

6:15 am-9:20 am

2 stops22h 05m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 March 12, 2026.
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
7,784 reviews

Comfort

6.8

Food

6.4

Crew

7.6

Boarding

6.9

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,784 reviews
British Airways
6.7
Okay
7,784 reviews

Comfort

6.8

Food

6.4

Crew

7.6

Boarding

6.9

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

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 $750, British Airways can have you in Belfast from Philadelphia in 11h 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 $577. This flight start at 29% 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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Alternative routes for Philadelphia to Belfast

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

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$979FlexibilityNo cancel feeOn-time70%

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