$305+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Belfast with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Belfast
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Cheapest flights from Philadelphia to BelfastExplore 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 July 1, 2026.
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 July 1, 2026.
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:53 pm
PHL
- BHD
2 stops14h 07m
British Airways
Wed 8/267:40 pm
BHD
- PHL
1 stop21h 35m
British Airways
Deal found 6/30![British Airways logo]()
$848
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/187:35 pm
PHL
- BHD
1 stop10h 10m
American Airlines
Wed 8/264:05 pm
BHD
- PHL
1 stop25h 10m
American Airlines
Deal found 6/30![American Airlines logo]()
$857
This British Airways deal was found by Cheapflights users on 6/30. 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.
Sun 8/236:45 pm
PHL
- BHD
1 stop10h 45m
British Airways
Wed 9/98:35 pm
BHD
- PHL
1 stop25h 05m
British Airways
Deal found 6/30![British Airways logo]()
$859
This British Airways deal was found by Cheapflights users on 6/30. 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.
Wed 8/266:45 pm
PHL
- BHD
1 stop20h 50m
British Airways
Tue 9/86:30 am
BHD
- PHL
1 stop15h 10m
British Airways
Deal found 6/30![British Airways logo]()
$869
This Iberia deal was found by Cheapflights users on 6/30. 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 8/187:37 pm
PHL
- BHD
2 stops14h 43m
Multiple Airlines
Wed 8/266:30 am
BHD
- PHL
2 stops17h 12m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$873
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Tue 8/253:20 pm
PHL
- BHD
2 stops14h 25m
British Airways
Mon 9/77:35 pm
BHD
- PHL
1 stop21h 40m
British Airways
Deal found 6/30![British Airways logo]()
$875
This British Airways deal was found by Cheapflights users on 6/29. 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.
Sun 11/156:35 pm
PHL
- BHD
1 stop10h 45m
British Airways
Thu 11/193:05 pm
BHD
- PHL
1 stop30h 10m
British Airways
Deal found 6/29![British Airways logo]()
$885
This FlightHub deal was found by Cheapflights users on 6/26. 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.
Sun 9/273:13 pm
PHL
- BHD
2 stops18h 22m
British Airways
Fri 10/26:30 am
BHD
- PHL
1 stop15h 10m
British Airways
Deal found 6/26![British Airways logo]()
$902
This Mytrip deal was found by Cheapflights users on 6/30. 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 8/2110:05 am
PHL
- BFS
2 stops25h 25m
Multiple Airlines
Mon 8/246:50 pm
BFS
- PHL
3 stops29h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$908
This British Airways deal was found by Cheapflights users on 6/30. 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.
Sun 8/236:45 pm
PHL
- BHD
1 stop10h 45m
British Airways
Sun 9/68:10 pm
BHD
- PHL
1 stop25h 30m
British Airways
Deal found 6/30![British Airways logo]()
$909
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:45 pm
PHL
- BHD
1 stop13h 10m
British Airways
Sun 10/256:30 am
BHD
- PHL
1 stop14h 45m
British Airways
Deal found 6/30![British Airways logo]()
$911
This Mytrip deal was found by Cheapflights users on 6/26. 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 8/2610:05 am
PHL
- BFS
2 stops26h 00m
Multiple Airlines
Mon 8/319:05 pm
BFS
- PHL
3 stops30h 41m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,006
Best flights from Philadelphia to BelfastDiscover carefully curated flight deals from Philadelphia to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Philadelphia to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This British Airways deal was found by Cheapflights users on 6/26. 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.
Sun 9/276:45 pm
PHL
- BHD
1 stop10h 45m
British Airways
Fri 10/26:30 am
BHD
- PHL
1 stop15h 10m
British Airways
Deal found 6/26![British Airways logo]()
$885
This Mytrip deal was found by Cheapflights users on 6/30. 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 8/2110:05 am
PHL
- BFS
2 stops25h 25m
Multiple Airlines
Mon 8/246:50 pm
BFS
- PHL
3 stops29h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$908
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 9/95:30 pm
PHL
- BHD
2 stops13h 30m
American Airlines
Wed 9/1610:05 am
BHD
- PHL
1 stop10h 55m
American Airlines
Deal found 6/27![American Airlines logo]()
$948
This British Airways deal was found by Cheapflights users on 6/27. 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.
Sun 11/156:35 pm
PHL
- BHD
1 stop10h 45m
British Airways
Thu 11/193:05 pm
BHD
- PHL
1 stop30h 10m
British Airways
Deal found 6/27![British Airways logo]()
$885
This American Airlines deal was found by Cheapflights users on 6/27. 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 9/145:30 pm
PHL
- BHD
2 stops14h 25m
American Airlines
Fri 9/256:30 am
BHD
- PHL
2 stops15h 28m
American Airlines
Deal found 6/27![American Airlines logo]()
$958
This British Airways deal was found by Cheapflights users on 6/30. 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 8/256:45 pm
PHL
- BHD
1 stop11h 00m
British Airways
Sun 9/68:10 pm
BHD
- PHL
1 stop25h 30m
British Airways
Deal found 6/30![British Airways logo]()
$909
This Mytrip deal was found by Cheapflights users on 6/26. 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 8/2610:05 am
PHL
- BFS
2 stops26h 00m
Multiple Airlines
Mon 8/319:05 pm
BFS
- PHL
3 stops30h 41m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,006
This American Airlines deal was found by Cheapflights users on 6/29. 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 11/204:00 pm
PHL
- BHD
2 stops13h 30m
American Airlines
Fri 11/276:45 am
BHD
- PHL
1 stop12h 05m
American Airlines
Deal found 6/29![American Airlines logo]()
$972
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:45 pm
PHL
- BHD
1 stop13h 10m
British Airways
Sun 10/256:30 am
BHD
- PHL
1 stop14h 45m
British Airways
Deal found 6/30![British Airways logo]()
$911
This Mytrip deal was found by Cheapflights users on 6/30. 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 8/1410:05 am
PHL
- BFS
2 stops25h 25m
Multiple Airlines
Fri 8/217:20 am
BFS
- PHL
3 stops19h 14m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,096
This British Airways deal was found by Cheapflights users on 6/30. 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.
Wed 8/266:45 pm
PHL
- BHD
1 stop20h 50m
British Airways
Sun 9/68:10 pm
BHD
- PHL
1 stop25h 30m
British Airways
Deal found 6/30![British Airways logo]()
$919
This British Airways deal was found by Cheapflights users on 6/26. 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.
Sun 9/276:45 pm
PHL
- BHD
1 stop10h 45m
British Airways
Sat 10/37:05 am
BHD
- PHL
1 stop14h 35m
British Airways
Deal found 6/26![British Airways logo]()
$935
This Mytrip deal was found by Cheapflights users on 6/27. 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 9/144:20 pm
PHL
- BFS
2 stops13h 55m
Multiple Airlines
Fri 9/257:55 pm
BFS
- PHL
3 stops28h 00m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,143
This British Airways deal was found by Cheapflights users on 6/30. 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.
Thu 8/276:45 pm
PHL
- BHD
1 stop10h 25m
British Airways
Fri 9/46:30 am
BHD
- PHL
1 stop15h 10m
British Airways
Deal found 6/30![British Airways logo]()
$953
This Mytrip deal was found by Cheapflights users on 6/30. 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 8/77:00 am
PHL
- BFS
2 stops28h 30m
Multiple Airlines
Sat 8/156:55 am
BFS
- PHL
2 stops19h 39m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,180
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:55 pm
PHL
- BFS
1 stop10h 20m
Multiple Airlines
Sun 10/257:15 am
BFS
- PHL
1 stop11h 40m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,329
Last-minute flights from Philadelphia to BelfastDiscover last-minute flight deals from Philadelphia to Belfast. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Belfast. Data last updated July 1, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/27:00 am
PHL
- BFS
3 stops34h 25m
Multiple Airlines
Thu 7/98:20 am
BFS
- PHL
3 stops35h 29m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,284
This KLM deal was found by Cheapflights users on 6/27. 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.
Thu 7/27:05 pm
PHL
- BHD
2 stops16h 50m
KLM
Thu 7/99:50 am
BHD
- PHL
2 stops16h 30m
KLM
Deal found 6/27![KLM logo]()
$1,402
This KLM deal was found by Cheapflights users on 6/27. 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.
Fri 7/35:12 pm
PHL
- BHD
2 stops18h 43m
KLM
Fri 7/109:50 am
BHD
- PHL
2 stops20h 09m
KLM
Deal found 6/27![KLM logo]()
$1,273
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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.
Fri 7/38:25 pm
PHL
- BHD
2 stops13h 35m
Aer Lingus
Fri 7/106:30 am
BHD
- PHL
1 stop15h 15m
Aer Lingus
Deal found 6/27![Aer Lingus logo]()
$1,478
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/310:45 am
PHL
- BFS
2 stops24h 45m
Multiple Airlines
Fri 7/1010:15 pm
BFS
- PHL
2 stops22h 26m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,745
This Mytrip deal was found by Cheapflights users on 6/29. 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 7/167:00 am
PHL
- BHD
3 stops32h 55m
Multiple Airlines
Sat 7/1810:10 am
BHD
- PHL
3 stops34h 55m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,518
This Mytrip deal was found by Cheapflights users on 6/29. 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 7/167:00 am
PHL
- BFS
3 stops30h 55m
Multiple Airlines
Sat 7/1810:25 pm
BFS
- PHL
2 stops25h 30m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,906
This FlightHub deal was found by Cheapflights users on 6/28. 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.
Sat 7/187:36 pm
PHL
- BHD
2 stops32h 04m
British Airways
Sun 7/266:30 am
BHD
- PHL
2 stops34h 40m
British Airways
Deal found 6/28![British Airways logo]()
$1,244
This American Airlines deal was found by Cheapflights users on 6/27. 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 7/187:35 pm
PHL
- BHD
1 stop18h 45m
American Airlines
Sun 7/266:30 am
BHD
- PHL
1 stop14h 05m
American Airlines
Deal found 6/27![American Airlines logo]()
$1,376
One-way flights from Philadelphia to BelfastSearch for one-way flight options from Philadelphia to Belfast. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Philadelphia to Belfast. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:29 am
PHL
- BFS
2 stops32h 51m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:29 am
PHL
- BHD
2 stops44h 46m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$346
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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 8/116:45 pm
PHL
- BHD
1 stop11h 00m
British Airways
Deal found 6/27![British Airways logo]()
$482
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Wed 7/86:50 pm
PHL
- BHD
1 stop13h 45m
British Airways
Deal found 6/28![British Airways logo]()
$526
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Wed 7/88:25 pm
PHL
- BHD
2 stops13h 35m
Aer Lingus
Deal found 6/28![Aer Lingus logo]()
$535
This Iberia deal was found by Cheapflights users on 6/30. 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.
Wed 7/85:30 pm
PHL
- BHD
2 stops15h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$544
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 July 1, 2026.
Round-trip from | $848 (KAYAK) |
|---|---|
One-way from | $305 (Kiwi.com) |
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 July 1, 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
Cheapest round-trip
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Sun 9/27
6:45 pm-10:30 am
1 stop10h 45m
Belfast City
Fri 10/2
6:30 am-4:40 pm
1 stop15h 10m
$885
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Sun 11/15
6:35 pm-10:20 am
1 stop10h 45m
Belfast City
Thu 11/19
3:05 pm-4:15 pm
1 stop30h 10m
$885
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Fri 8/21
10:05 am-4:30 pm
2 stops25h 25m
Belfast Intl
Mon 8/24
6:50 pm-6:55 pm
3 stops29h 05m
$908
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Tue 8/25
6:45 pm-10:45 am
1 stop11h 00m
Belfast City
Sun 9/6
8:10 pm-4:40 pm
1 stop25h 30m
$909
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Mon 10/12
6:45 pm-12:55 pm
1 stop13h 10m
Belfast City
Sun 10/25
6:30 am-5:15 pm
1 stop14h 45m
$911
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Wed 8/26
6:45 pm-8:35 pm
1 stop20h 50m
Belfast City
Sun 9/6
8:10 pm-4:40 pm
1 stop25h 30m
$919
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Sun 9/27
6:45 pm-10:30 am
1 stop10h 45m
Belfast City
Sat 10/3
7:05 am-4:40 pm
1 stop14h 35m
$935
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Wed 9/9
5:30 pm-12:00 pm
2 stops13h 30m
Belfast City
Wed 9/16
10:05 am-4:00 pm
1 stop10h 55m
$948
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Thu 8/27
6:45 pm-10:10 am
1 stop10h 25m
Belfast City
Fri 9/4
6:30 am-4:40 pm
1 stop15h 10m
$953
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Mon 9/14
5:30 pm-12:55 pm
2 stops14h 25m
Belfast City
Fri 9/25
6:30 am-4:58 pm
2 stops15h 28m
$958
Showing 1-10 of 20 resultsSorted by cheapest first
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.
PHL-BF1
PHL-BHD
PHL-BFS
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
PHL-BF1
PHL-BHD
PHL-BFS
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 July 1, 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.
Boarding
6.9
Overall
6.7
Food
6.4
Comfort
6.8
Entertainment
6.4
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Boarding
6.9
Overall
6.7
Food
6.4
Comfort
6.8
Entertainment
6.4
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
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Alternative routes for Philadelphia to Belfast
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Complete your trip
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Philadelphia and Belfast flights
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Other flights from Philadelphia
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$985 | FlexibilityNo cancel fee | On-time70% |