$299+ Cheap flights from Philadelphia (PHL) to Belfast Intl (BFS)
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Belfast Intl 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to Belfast IntlExplore the most affordable flight options available from Philadelphia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Philadelphia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Mytrip deal was found by Cheapflights users on 9/2. 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 12/115:40 pm -
2 stops19h 50m
Tue 12/158:30 am -
3 stops36h 40m
Deal found 9/2![Multiple Airlines logo]()
$1,044
This Mytrip deal was found by Cheapflights users on 8/30. 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.
Tue 10/1310:05 am -
3 stops24h 10m
Tue 10/202:50 pm -
2 stops33h 05m
Deal found 8/30![Multiple Airlines logo]()
$1,141
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/155:40 pm -
2 stops23h 00m
Wed 10/287:00 am -
3 stops38h 10m
Deal found 9/3![Multiple Airlines logo]()
$1,175
This Mytrip deal was found by Cheapflights users on 8/31. 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 10/1510:05 am -
3 stops28h 15m
Thu 10/226:10 am -
3 stops21h 36m
Deal found 8/31![Multiple Airlines logo]()
$1,189
This Mytrip deal was found by Cheapflights users on 9/1. 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 10/34:20 pm -
2 stops12h 15m
Sun 11/17:10 am -
3 stops38h 00m
Deal found 9/1![Multiple Airlines logo]()
$1,192
Best flights from Philadelphia to Belfast IntlDiscover carefully curated flight deals from Philadelphia to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Philadelphia to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Mytrip deal was found by Cheapflights users on 9/2. 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 12/115:40 pm -
2 stops19h 50m
Tue 12/158:30 am -
3 stops36h 40m
Deal found 9/2![Multiple Airlines logo]()
$1,044
This Mytrip deal was found by Cheapflights users on 8/30. 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.
Tue 10/1310:05 am -
3 stops24h 10m
Tue 10/202:50 pm -
2 stops33h 05m
Deal found 8/30![Multiple Airlines logo]()
$1,141
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/155:40 pm -
2 stops23h 00m
Wed 10/287:00 am -
3 stops38h 10m
Deal found 9/3![Multiple Airlines logo]()
$1,175
This Mytrip deal was found by Cheapflights users on 8/31. 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 10/1510:05 am -
3 stops28h 15m
Thu 10/226:10 am -
3 stops21h 36m
Deal found 8/31![Multiple Airlines logo]()
$1,189
This Mytrip deal was found by Cheapflights users on 9/1. 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 10/34:20 pm -
2 stops12h 15m
Sun 11/17:10 am -
3 stops38h 00m
Deal found 9/1![Multiple Airlines logo]()
$1,192
This Mytrip deal was found by Cheapflights users on 9/1. 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 12/175:05 pm -
2 stops15h 35m
Mon 12/2810:40 am -
3 stops34h 30m
Deal found 9/1![Multiple Airlines logo]()
$1,558
This Mytrip deal was found by Cheapflights users on 9/1. 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 12/175:40 pm -
2 stops21h 40m
Tue 12/298:55 pm -
2 stops24h 15m
Deal found 9/1![Multiple Airlines logo]()
$1,588
Last-minute flights from Philadelphia to Belfast IntlDiscover last-minute flight deals from Philadelphia to Belfast Intl. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Belfast Intl. Data last updated September 4, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/1. 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 10/34:20 pm -
2 stops12h 15m
Sun 11/17:10 am -
3 stops38h 00m
Deal found 9/1![Multiple Airlines logo]()
$1,192
This Mytrip deal was found by Cheapflights users on 8/30. 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.
Tue 10/1310:05 am -
3 stops24h 10m
Tue 10/202:50 pm -
2 stops33h 05m
Deal found 8/30![Multiple Airlines logo]()
$1,141
This Mytrip deal was found by Cheapflights users on 9/3. 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 10/155:40 pm -
2 stops23h 00m
Wed 10/287:00 am -
3 stops38h 10m
Deal found 9/3![Multiple Airlines logo]()
$1,175
This Mytrip deal was found by Cheapflights users on 8/31. 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 10/1510:05 am -
3 stops28h 15m
Thu 10/226:10 am -
3 stops21h 36m
Deal found 8/31![Multiple Airlines logo]()
$1,189
One-way flights from Philadelphia to Belfast IntlSearch for one-way flight options from Philadelphia to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Philadelphia to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sat 10/312:40 pm -
3 stops50h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Thu 11/196:03 pm -
3 stops43h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/235:40 pm -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sun 11/225:40 pm -
2 stops12h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sat 11/215:40 pm -
2 stops14h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 11/205:40 pm -
2 stops13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$599
Find flight deals from Philadelphia to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Belfast Intl (BFS). 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,044 (Mytrip) |
One-way from | $299 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Belfast Intl 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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Philadelphia to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sat 10/3
12:40 pm-8:15 pm
3 stops50h 35m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Mon 11/23
5:40 pm-7:10 pm
2 stops20h 30m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$383
Quickest round-trip
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sun 11/22
5:40 pm-11:35 am
2 stops12h 55m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$525
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Fri 11/20
5:40 pm-11:40 am
2 stops13h 00m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$599
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Fri 12/11
5:40 pm-6:30 pm
2 stops19h 50m
Belfast Intl
Tue 12/15
8:30 am-4:10 pm
3 stops36h 40m
$1,044
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 10/13
10:05 am-3:15 pm
3 stops24h 10m
Belfast Intl
Tue 10/20
2:50 pm-6:55 pm
2 stops33h 05m
$1,141
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Thu 10/15
5:40 pm-9:40 pm
2 stops23h 00m
Belfast Intl
Wed 10/28
7:00 am-5:10 pm
3 stops38h 10m
$1,175
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Thu 10/15
10:05 am-7:20 pm
3 stops28h 15m
Belfast Intl
Thu 10/22
6:10 am-10:46 pm
3 stops21h 36m
$1,189
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sat 10/3
4:20 pm-9:35 am
2 stops12h 15m
Belfast Intl
Sun 11/1
7:10 am-4:10 pm
3 stops38h 00m
$1,192
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Thu 12/17
5:05 pm-1:40 pm
2 stops15h 35m
Belfast Intl
Mon 12/28
10:40 am-4:10 pm
3 stops34h 30m
$1,558
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Belfast Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Belfast Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Belfast Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Belfast Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Belfast Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Belfast Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Belfast Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Philadelphia with our price prediction graph.
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.
Reviews of airlines servicing Belfast Intl
Get insights into the airlines that provide service to Belfast Intl. 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 Intl. Reviews last updated September 4, 2026.
Get a feel of what it's like to fly with British Airways from Philadelphia to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Crew
7.7
Boarding
7.0
Entertainment
6.5
Comfort
6.8
Overall
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Food
6.4
Crew
7.7
Boarding
7.0
Entertainment
6.5
Comfort
6.8
Overall
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Belfast Intl. 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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Other flights to Belfast Intl
Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Complete your trip
Complete your trip to Belfast Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Belfast Intl by cabin class
Find flights from Philadelphia to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Belfast Intl flights
Browse other Philadelphia and Belfast Intl flight options. Last updated on September 4, 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 September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Philadelphia to Belfast Intl
Discover the top airline that operate flights from Philadelphia to Belfast Intl. 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$979 | FlexibilityNo cancel fee | On-time70% |