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Cheap flights from Philadelphia to Belfast from £244

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 16/9. 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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0 bags
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Find the cheapest flights from Philadelphia to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:45 - 19:25
PHL
-
BHD
19h 40m
1 stop
British Airways Logo
10:05 - 16:40
BHD
-
PHL
11h 35m
1 stop
£663British Airways
Mon, 7 Sep - Wed, 16 Sep
British Airways Logo
18:45 - 12:55
PHL
-
BHD
13h 10m
1 stop
British Airways Logo
19:35 - 16:40
BHD
-
PHL
26h 05m
1 stop
£665British Airways
Mon, 17 Aug - Mon, 24 Aug
British Airways Logo
13:42 - 08:50
PHL
-
BHD
14h 08m
2 stops
British Airways Logo
10:05 - 16:35
BHD
-
PHL
11h 30m
1 stop
£667British Airways
Wed, 13 May - Wed, 20 May
British Airways Logo
18:45 - 12:55
PHL
-
BHD
13h 10m
1 stop
British Airways Logo
20:35 - 16:40
BHD
-
PHL
25h 05m
1 stop
£668British Airways
Mon, 5 Oct - Thu, 8 Oct
British Airways Logo
18:45 - 12:55
PHL
-
BHD
13h 10m
1 stop
British Airways Logo
20:35 - 16:40
BHD
-
PHL
25h 05m
1 stop
£669British Airways
Mon, 5 Oct - Thu, 8 Oct
British Airways Logo
13:42 - 08:50
PHL
-
BHD
14h 08m
2 stops
British Airways Logo
19:35 - 12:10
BHD
-
PHL
21h 35m
1 stop
£672British Airways
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
19:44 - 15:30
PHL
-
BHD
14h 46m
2 stops
Multiple Airlines Logo
06:30 - 16:40
BHD
-
PHL
15h 10m
1 stop
£673Multiple Airlines
Mon, 7 Sep - Wed, 16 Sep
British Airways Logo
18:45 - 12:55
PHL
-
BHD
13h 10m
1 stop
British Airways Logo
06:30 - 12:15
BHD
-
PHL
34h 45m
2 stops
£686British Airways
Mon, 17 Aug - Mon, 24 Aug
British Airways Logo
15:40 - 12:55
PHL
-
BHD
16h 15m
2 stops
British Airways Logo
09:40 - 12:15
BHD
-
PHL
31h 35m
2 stops
£688British Airways
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
10:05 - 11:55
PHL
-
BFS
20h 50m
3 stops
Multiple Airlines Logo
18:50 - 18:55
BFS
-
PHL
29h 05m
3 stops
£847Multiple Airlines
Fri, 11 Sep - Mon, 14 Sep

Aer Lingus flights from Philadelphia to Belfast

Our best Aer Lingus deals on Philadelphia to Belfast flight tickets
Aer Lingus
20 Apr
PHL20:25Philadelphia
15h 10m
2 stops
BHD16:35Belfast City
22 Apr
BHD18:20Belfast City
29h 35m
2 stops
PHL18:55Philadelphia
£864
Aer Lingus
21 Apr
PHL20:25Philadelphia
13h 35m
2 stops
BHD15:00Belfast City
22 Apr
BHD18:20Belfast City
29h 35m
2 stops
PHL18:55Philadelphia
£871
Aer Lingus
21 Apr
PHL20:25Philadelphia
13h 35m
2 stops
BHD15:00Belfast City
22 Apr
BHD18:20Belfast City
29h 35m
2 stops
PHL18:55Philadelphia
£884

British Airways flights from Philadelphia to Belfast

Our best British Airways deals on Philadelphia to Belfast flight tickets
British Airways
7 Sept
PHL18:45Philadelphia
19h 40m
1 stop
BHD19:25Belfast City
16 Sept
BHD10:05Belfast City
11h 35m
1 stop
PHL16:40Philadelphia
£663
British Airways
17 Aug
PHL18:45Philadelphia
13h 10m
1 stop
BHD12:55Belfast City
24 Aug
BHD19:35Belfast City
26h 05m
1 stop
PHL16:40Philadelphia
£665
British Airways
13 May
PHL13:42Philadelphia
14h 08m
2 stops
BHD08:50Belfast City
20 May
BHD10:05Belfast City
11h 30m
1 stop
PHL16:35Philadelphia
£667

momondo Fare Finder

 
Customise 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, momondo users made 279,928 searches. Data last updated 8 April 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

Price

Cheapest return flight

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 7/9

18:45-19:25

1 stop19h 40m

Belfast City

Wed 16/9

10:05-16:40

1 stop11h 35m

£663

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 17/8

18:45-12:55

1 stop13h 10m

Belfast City

Mon 24/8

19:35-16:40

1 stop26h 05m

£665
Fastest return journey

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Wed 13/5

13:42-08:50

2 stops14h 08m

Belfast City

Wed 20/5

10:05-16:35

1 stop11h 30m

£667

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 5/10

18:45-12:55

1 stop13h 10m

Belfast City

Thu 8/10

20:35-16:40

1 stop25h 05m

£668

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 5/10

18:45-12:55

1 stop13h 10m

Belfast City

Thu 8/10

20:35-16:40

1 stop25h 05m

£669

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 4/5

13:42-08:50

2 stops14h 08m

Belfast City

Mon 11/5

19:35-12:10

1 stop21h 35m

£672

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 7/9

19:44-15:30

2 stops14h 46m

Belfast City

Wed 16/9

06:30-16:40

1 stop15h 10m

£673

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 17/8

18:45-12:55

1 stop13h 10m

Belfast City

Mon 24/8

06:30-12:15

2 stops34h 45m

£686

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 17/8

15:40-12:55

2 stops16h 15m

Belfast City

Mon 24/8

09:40-12:15

2 stops31h 35m

£688

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Fri 11/9

10:05-11:55

3 stops20h 50m

Belfast Intl

Mon 14/9

18:50-18:55

3 stops29h 05m

£847

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from Philadelphia to Belfast

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

What is the cheapest airline that flies from Philadelphia to Belfast?

American Airlines is the most popular carrier operating from Philadelphia to Belfast

Cheap Philadelphia to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Belfast

Fastest flight time

10h 45m

Direct flights

None
The fastest flight from Philadelphia to Belfast takes 10h 45m
There are no direct flights from Philadelphia to Belfast. There are no popular flight routes from Philadelphia to Belfast.
Search flight deals

Frequently asked questions about flying from Philadelphia to Belfast

  • How far is Philadelphia to Belfast by plane?

    The straight-line distance from Philadelphia to Belfast is 3250.7 mi. By plane, this route typically takes 10h 45m.

  • When did momondo last update prices for flights from Philadelphia Airport to Belfast?

    Prices for flights from Philadelphia Airport to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Philadelphia Airport to Belfast?

    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.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Belfast?

It is quick and easy to find Philadelphia to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Philadelphia to Belfast with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Belfast flights to just show those with flexible booking policies.

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?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Philadelphia and alert you when they change.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport