$248+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
Oct 25 — Nov 11
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 25, 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 25, 2026.
This Mytrip deal was found by Cheapflights users on 9/23. 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 11/77:42 am -
3 stops27h 13m
Sat 11/147:05 pm -
3 stops26h 05m
Deal found 9/23![Multiple Airlines logo]()
$871
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:20 pm -
2 stops12h 20m
Mon 10/199:55 pm -
3 stops29h 51m
Deal found 9/24![Multiple Airlines logo]()
$1,019
This Mytrip deal was found by Cheapflights users on 9/20. 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 10/204:20 pm -
2 stops17h 55m
Tue 10/278:55 pm -
2 stops28h 10m
Deal found 9/20![Multiple Airlines logo]()
$1,128
This Mytrip deal was found by Cheapflights users on 9/21. 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 11/85:05 pm -
2 stops23h 35m
Thu 11/198:05 pm -
3 stops31h 51m
Deal found 9/21![Multiple Airlines logo]()
$1,232
This Mytrip deal was found by Cheapflights users on 9/22. 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 12/83:20 pm -
3 stops24h 10m
Thu 12/319:05 pm -
2 stops24h 05m
Deal found 9/22![Multiple Airlines logo]()
$1,267
This Mytrip deal was found by Cheapflights users on 9/23. 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 11/85:05 pm -
2 stops23h 35m
Thu 11/129:05 pm -
3 stops22h 39m
Deal found 9/23![Multiple Airlines logo]()
$1,325
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 25, 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 25, 2026.
This Mytrip deal was found by Cheapflights users on 9/23. 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 11/77:42 am -
3 stops27h 13m
Sat 11/147:05 pm -
3 stops26h 05m
Deal found 9/23![Multiple Airlines logo]()
$871
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:20 pm -
2 stops12h 20m
Mon 10/199:55 pm -
3 stops29h 51m
Deal found 9/24![Multiple Airlines logo]()
$1,019
This Mytrip deal was found by Cheapflights users on 9/20. 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 10/204:20 pm -
2 stops17h 55m
Tue 10/278:55 pm -
2 stops28h 10m
Deal found 9/20![Multiple Airlines logo]()
$1,128
This Mytrip deal was found by Cheapflights users on 9/21. 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 11/85:05 pm -
2 stops23h 35m
Thu 11/198:05 pm -
3 stops31h 51m
Deal found 9/21![Multiple Airlines logo]()
$1,232
This Mytrip deal was found by Cheapflights users on 9/22. 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 12/83:20 pm -
3 stops24h 10m
Thu 12/319:05 pm -
2 stops24h 05m
Deal found 9/22![Multiple Airlines logo]()
$1,267
This Mytrip deal was found by Cheapflights users on 9/21. 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 11/53:20 pm -
3 stops17h 20m
Thu 11/129:05 pm -
3 stops22h 39m
Deal found 9/21![Multiple Airlines logo]()
$1,374
Last-minute flights from Philadelphia to Belfast IntlDiscover last-minute flight deals from Philadelphia to Belfast Intl. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Belfast Intl. Data last updated September 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/22. 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 9/263:30 pm -
2 stops20h 15m
Mon 9/289:35 pm -
2 stops23h 06m
Deal found 9/22![Multiple Airlines logo]()
$1,418
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:20 pm -
2 stops12h 20m
Mon 10/199:55 pm -
3 stops29h 51m
Deal found 9/24![Multiple Airlines logo]()
$1,019
This Mytrip deal was found by Cheapflights users on 9/20. 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 10/204:20 pm -
2 stops17h 55m
Tue 10/278:55 pm -
2 stops28h 10m
Deal found 9/20![Multiple Airlines logo]()
$1,128
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 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 12/56:40 pm -
3 stops44h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Wed 12/24:38 pm -
3 stops45h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 12/35:01 am -
3 stops32h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 12/41:56 pm -
2 stops23h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 12/15:01 am -
3 stops26h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/305:40 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/295:40 pm -
2 stops12h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$426
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 25, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $871 (Mytrip) |
One-way from | $248 (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 25, 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
Wed 12/2
9:58 pm-6:55 pm
2 stops39h 57m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$294
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 12/1
5:01 am-12:40 pm
3 stops26h 39m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$367
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Fri 12/4
10:09 am-2:15 pm
3 stops23h 06m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$453
Quickest round-trip
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sat 11/28
5:40 pm-1:30 pm
2 stops14h 50m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$496
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Wed 9/30
8:25 pm-7:15 pm
2 stops17h 50m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$570
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sat 11/7
7:42 am-3:55 pm
3 stops27h 13m
Belfast Intl
Sat 11/14
7:05 pm-4:10 pm
3 stops26h 05m
$871
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Thu 10/15
4:20 pm-9:40 am
2 stops12h 20m
Belfast Intl
Mon 10/19
9:55 pm-10:46 pm
3 stops29h 51m
$1,019
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 10/20
4:20 pm-3:15 pm
2 stops17h 55m
Belfast Intl
Tue 10/27
8:55 pm-9:05 pm
2 stops28h 10m
$1,128
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sun 11/8
5:05 pm-9:40 pm
2 stops23h 35m
Belfast Intl
Thu 11/19
8:05 pm-10:56 pm
3 stops31h 51m
$1,232
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 12/8
3:20 pm-8:30 pm
3 stops24h 10m
Belfast Intl
Thu 12/31
9:05 pm-4:10 pm
2 stops24h 05m
$1,267
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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Philadelphia-Belfast Intl Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 25, 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.
Entertainment
6.5
Food
6.4
Comfort
6.8
Crew
7.7
Overall
6.7
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Entertainment
6.5
Food
6.4
Comfort
6.8
Crew
7.7
Overall
6.7
Boarding
7.0
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 25, 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 25, 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 25, 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$979 | FlexibilityNo cancel fee | On-time70% |