$425+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
Jul 10 — Jul 171
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
Cheapest
Best
Last-minute
One-way
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 June 10, 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 June 10, 2026.
This deal was found by Cheapflights users on 6/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:35 pm
PHL
- BHD
1 stop11h 10m
British Airways
Wed 9/96:30 am
BHD
- PHL
1 stop15h 10m
British Airways
Deal found 6/8![British Airways logo]()
$842
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:45 pm
PHL
- BHD
1 stop13h 10m
British Airways
Wed 10/148:35 pm
BHD
- PHL
2 stops22h 15m
British Airways
Deal found 6/9![British Airways logo]()
$844
This Iberia deal was found by Cheapflights users on 6/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:44 pm
PHL
- BHD
2 stops14h 46m
Multiple Airlines
Wed 10/146:30 am
BHD
- PHL
2 stops16h 20m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$870
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:15 pm
PHL
- BHD
1 stop14h 25m
American Airlines
Sat 8/154:15 pm
BHD
- PHL
1 stop25h 00m
American Airlines
Deal found 6/8![American Airlines logo]()
$951
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:56 pm
PHL
- BHD
2 stops14h 34m
American Airlines
Fri 11/276:45 am
BHD
- PHL
1 stop12h 05m
American Airlines
Deal found 6/9![American Airlines logo]()
$954
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 pm
PHL
- BHD
1 stop10h 55m
British Airways
Fri 11/278:45 am
BHD
- PHL
1 stop12h 30m
British Airways
Deal found 6/9![British Airways logo]()
$966
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:25 pm
PHL
- BHD
1 stop12h 00m
American Airlines
Sat 8/154:15 pm
BHD
- PHL
1 stop25h 00m
American Airlines
Deal found 6/8![American Airlines logo]()
$1,001
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 pm
PHL
- BFS
2 stops22h 50m
Multiple Airlines
Sat 8/159:40 pm
BFS
- PHL
2 stops23h 01m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,132
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:20 pm
PHL
- BFS
2 stops19h 15m
Multiple Airlines
Sat 8/159:15 pm
BFS
- PHL
3 stops29h 19m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,178
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:05 am
PHL
- BFS
3 stops25h 15m
Multiple Airlines
Mon 7/278:35 pm
BFS
- PHL
3 stops29h 59m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/205:40 pm
PHL
- BFS
2 stops16h 55m
Multiple Airlines
Thu 7/306:20 pm
BFS
- PHL
2 stops29h 35m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,333
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 June 10, 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 June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:56 pm
PHL
- BHD
2 stops14h 34m
American Airlines
Fri 11/276:45 am
BHD
- PHL
1 stop12h 05m
American Airlines
Deal found 6/9![American Airlines logo]()
$954
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 pm
PHL
- BHD
1 stop10h 55m
British Airways
Fri 11/278:45 am
BHD
- PHL
1 stop12h 30m
British Airways
Deal found 6/9![British Airways logo]()
$966
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:20 pm
PHL
- BFS
2 stops19h 15m
Multiple Airlines
Sat 8/159:15 pm
BFS
- PHL
3 stops29h 19m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,178
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:05 am
PHL
- BFS
3 stops25h 15m
Multiple Airlines
Mon 7/278:35 pm
BFS
- PHL
3 stops29h 59m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/2010:05 am
PHL
- BFS
3 stops24h 30m
Multiple Airlines
Thu 7/3010:40 pm
BFS
- PHL
2 stops25h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,355
This Mytrip deal was found by Cheapflights users on 6/6. 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 6/288:25 pm
PHL
- BFS
2 stops20h 05m
Multiple Airlines
Tue 6/3011:30 pm
BFS
- PHL
2 stops23h 36m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,564
This Mytrip deal was found by Cheapflights users on 6/6. 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 6/256:00 am
PHL
- BFS
3 stops29h 55m
Multiple Airlines
Mon 6/296:40 am
BFS
- PHL
2 stops17h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,947
Last-minute flights from Philadelphia to BelfastDiscover last-minute flight deals from Philadelphia to Belfast. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Belfast. Data last updated June 10, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 6/6. 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.
Thu 6/257:20 pm
PHL
- BHD
1 stop18h 25m
Multiple Airlines
Mon 6/296:10 pm
BHD
- PHL
2 stops26h 50m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,383
This British Airways deal was found by Cheapflights users on 6/6. 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 6/256:45 pm
PHL
- BHD
1 stop10h 25m
British Airways
Mon 6/297:35 pm
BHD
- PHL
1 stop26h 05m
British Airways
Deal found 6/6![British Airways logo]()
$1,420
This Mytrip deal was found by Cheapflights users on 6/6. 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 6/256:00 am
PHL
- BFS
3 stops29h 55m
Multiple Airlines
Mon 6/296:40 am
BFS
- PHL
2 stops17h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,947
This oojo deal was found by Cheapflights users on 6/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:25 pm
PHL
- BHD
2 stops18h 40m
Aer Lingus
Tue 6/302:25 pm
BHD
- PHL
2 stops33h 30m
Aer Lingus
Deal found 6/6![Aer Lingus logo]()
$1,422
This Mytrip deal was found by Cheapflights users on 6/6. 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 6/288:25 pm
PHL
- BFS
2 stops20h 05m
Multiple Airlines
Tue 6/3011:30 pm
BFS
- PHL
2 stops23h 36m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,564
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Sat 7/1810:20 pm
PHL
- BHD
2 stops29h 20m
British Airways
Sun 7/266:30 am
BHD
- PHL
1 stop14h 05m
British Airways
Deal found 6/9![British Airways logo]()
$1,043
This American Airlines deal was found by Cheapflights users on 6/9. 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 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 stop11h 50m
American Airlines
Sun 7/263:50 pm
BHD
- PHL
1 stop25h 25m
American Airlines
Deal found 6/9![American Airlines logo]()
$1,074
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:05 am
PHL
- BFS
3 stops25h 15m
Multiple Airlines
Mon 7/278:35 pm
BFS
- PHL
3 stops29h 59m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/205:40 pm
PHL
- BFS
2 stops16h 55m
Multiple Airlines
Thu 7/306:20 pm
BFS
- PHL
2 stops29h 35m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,333
This deal was found by Cheapflights users on 6/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:35 pm
PHL
- BHD
1 stop11h 10m
British Airways
Wed 9/96:30 am
BHD
- PHL
1 stop15h 10m
British Airways
Deal found 6/8![British Airways logo]()
$842
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 June 10, 2026.
Search for one-way flight options from Philadelphia to Belfast. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 8/312:46 pm
PHL
- BFS
2 stops37h 44m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$425
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Mon 8/38:25 pm
PHL
- BHD
2 stops15h 35m
Aer Lingus
Deal found 6/6![Aer Lingus logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 8/36:30 am
PHL
- BHD
3 stops26h 10m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:32 pm
PHL
- BHD
2 stops21h 23m
Delta
Deal found 6/8![Delta logo]()
$472
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Mon 8/36:35 pm
PHL
- BHD
1 stop13h 20m
British Airways
Deal found 6/6![British Airways logo]()
$482
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 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 stop12h 10m
British Airways
Deal found 6/9![British Airways logo]()
$526
This Cathay Pacific deal was found by Cheapflights users on 6/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:28 am
PHL
- BHD
3 stops44h 42m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$8,254
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 June 10, 2026.
Round-trip from | $842 |
|---|---|
One-way from | $425 (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 June 10, 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
Fri 11/20
2:56 pm-10:30 am
2 stops14h 34m
Belfast City
Fri 11/27
6:45 am-1:50 pm
1 stop12h 05m
$954
Quickest round-trip
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Fri 11/20
6:35 pm-10:30 am
1 stop10h 55m
Belfast City
Fri 11/27
8:45 am-4:15 pm
1 stop12h 30m
$966
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Sat 8/8
4:20 pm-4:35 pm
2 stops19h 15m
Belfast Intl
Sat 8/15
9:15 pm-9:34 pm
3 stops29h 19m
$1,178
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Mon 7/20
10:05 am-4:20 pm
3 stops25h 15m
Belfast Intl
Mon 7/27
8:35 pm-9:34 pm
3 stops29h 59m
$1,222
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Mon 7/20
10:05 am-3:35 pm
3 stops24h 30m
Belfast Intl
Thu 7/30
10:40 pm-6:55 pm
2 stops25h 15m
$1,355
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Sun 6/28
8:25 pm-9:30 pm
2 stops20h 05m
Belfast Intl
Tue 6/30
11:30 pm-6:06 pm
2 stops23h 36m
$1,564
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Thu 6/25
6:00 am-4:55 pm
3 stops29h 55m
Belfast Intl
Mon 6/29
6:40 am-6:55 pm
2 stops17h 15m
$1,947
Cheapest one-way
PhiladelphiaBelfast
PHL - BFS
PHLBFS
Philadelphia
Mon 8/3
12:46 pm-7:30 am
2 stops37h 44m
$425
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Wed 7/8
1:10 pm-4:55 pm
2 stops22h 45m
$472
Quickest one-way
PhiladelphiaBelfast
PHL - BHD
PHLBHD
Philadelphia
Wed 7/8
6:50 pm-12:00 pm
1 stop12h 10m
$526
Showing 1-10 of 11 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 June 10, 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.
Crew
7.7
Food
6.4
Entertainment
6.4
Boarding
6.9
Overall
6.7
Comfort
6.8
Reviews
1 / 20
2.0
MediocreT4Monaco,Jun 2026
CLT - LHR
Crew
7.7
Food
6.4
Entertainment
6.4
Boarding
6.9
Overall
6.7
Comfort
6.8
Reviews
1 / 20
2.0
MediocreT4Monaco,Jun 2026
CLT - LHR
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Philadelphia to Belfast
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Complete your trip
Complete your trip to Belfast by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Belfast by cabin class
Find flights from Philadelphia to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Belfast flights
Browse other Philadelphia and Belfast flight options. Last updated on June 10, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$985 | FlexibilityNo cancel fee | On-time70% |