Cheap flights from Philadelphia to Belfast from $480
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Belfast departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sat 11/28
3:20 pm-5:50 pm
3 stops21h 30m
Belfast Intl
Mon 11/30
9:35 am-4:05 pm
3 stops35h 30m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 11/17
5:40 pm-6:05 pm
2 stops19h 25m
Belfast Intl
Tue 11/24
8:55 pm-4:10 pm
2 stops24h 15m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sat 11/28
5:40 pm-2:00 pm
2 stops15h 20m
Belfast Intl
Mon 11/30
9:35 am-4:05 pm
3 stops35h 30m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 11/17
9:15 am-1:55 pm
3 stops23h 40m
Belfast Intl
Tue 11/24
8:55 pm-4:10 pm
2 stops24h 15m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Tue 11/17
9:15 am-1:55 pm
3 stops23h 40m
Belfast Intl
Tue 11/24
7:05 am-10:56 pm
3 stops20h 51m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Mon 10/12
10:37 am-4:15 pm
2 stops24h 38m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Mon 10/12
7:42 am-8:40 pm
3 stops31h 58m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sun 10/11
8:02 pm-4:15 pm
3 stops39h 13m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Sun 10/11
8:25 pm-6:25 pm
2 stops17h 00m
PhiladelphiaBelfast
PHL Philadelphia - BFS Belfast Intl
PHLBFS
Philadelphia
Mon 10/12
7:50 pm-8:40 pm
1 stop19h 50m
See travel insights to Belfast from
How to get the cheapest flight ticket from Philadelphia to Belfast Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
When to book flights from Philadelphia to Belfast Intl Airport
Cheap Philadelphia to Belfast Intl Airport (PHL to BFS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Belfast Intl Airport
Frequently asked questions about flying from Philadelphia to Belfast Intl Airport
How far is Philadelphia to Belfast Intl by plane?
A flight from Philadelphia to Belfast Intl will travel around 3238.7 mi. By plane, this route typically takes 11h 10m.
When did momondo last update prices for flights from Philadelphia Airport to Belfast Intl Airport?
Prices for flights from Philadelphia Airport to Belfast Intl Airport are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Belfast Intl Airport?
As of October 2026, there is 1 operator available to choose from for flights from Philadelphia Airport to Belfast Intl Airport.
How old do you have to be to fly from Philadelphia Airport to Belfast Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Belfast Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Belfast Intl Airport is British Airways, representing 100% of all bookings.
Best airlines flying from Philadelphia to Belfast Intl Airport
Compare and see reviews for airlines that fly from Philadelphia to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $577 | Free Cancellation | Rating 6.7 8,244 reviews |
Traveling to a place near Belfast?
Book flights to Belfast if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Belfast?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Belfast. momondo saves you time and could save you money on your trip.
Can I find flights from Philadelphia to Belfast with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Belfast from Philadelphia with this policy.
How can momondo help me find flights from Philadelphia to Belfast?
Once you have performed a search for Philadelphia to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Philadelphia to Belfast right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Belfast from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.