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Cheap flights from Philadelphia to Belfast from £302

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.
1 adult
1 adult, Economy, 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 - 12:55
PHL
-
BHD
13h 10m
1 stop
British Airways Logo
09:40 - 16:40
BHD
-
PHL
12h 00m
1 stop
£631British Airways
Mon, 24 Aug - Tue, 1 Sep
Multiple Airlines Logo
18:45 - 12:55
PHL
-
BHD
13h 10m
1 stop
Multiple Airlines Logo
06:30 - 17:40
BHD
-
PHL
16h 10m
2 stops
£647Multiple Airlines
Mon, 24 Aug - Tue, 1 Sep
Multiple Airlines Logo
19:37 - 15:30
PHL
-
BHD
14h 53m
2 stops
Multiple Airlines Logo
06:30 - 17:40
BHD
-
PHL
16h 10m
2 stops
£651Multiple Airlines
Mon, 24 Aug - Tue, 1 Sep
British Airways Logo
18:35 - 10:20
PHL
-
BHD
10h 45m
1 stop
British Airways Logo
15:05 - 16:15
BHD
-
PHL
30h 10m
1 stop
£663British Airways
Sun, 15 Nov - Thu, 19 Nov
British Airways Logo
18:35 - 10:20
PHL
-
BHD
10h 45m
1 stop
British Airways Logo
15:05 - 16:15
BHD
-
PHL
30h 10m
1 stop
£664British Airways
Sun, 15 Nov - Thu, 19 Nov
American Airlines Logo
22:15 - 17:35
PHL
-
BHD
14h 20m
1 stop
American Airlines Logo
16:25 - 12:15
BHD
-
PHL
24h 50m
1 stop
£665American Airlines
Tue, 4 Aug - Tue, 11 Aug
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
£675British Airways
Thu, 10 Sep - Wed, 23 Sep
Multiple Airlines Logo
18:45 - 18:45
PHL
-
BHD
19h 00m
1 stop
Multiple Airlines Logo
06:30 - 17:45
BHD
-
PHL
16h 15m
2 stops
£693Multiple Airlines
Thu, 10 Sep - Wed, 23 Sep
British Airways Logo
15:13 - 15:30
PHL
-
BHD
19h 17m
2 stops
British Airways Logo
10:05 - 16:40
BHD
-
PHL
11h 35m
1 stop
£694British Airways
Thu, 10 Sep - Wed, 23 Sep
British Airways Logo
15:20 - 15:20
PHL
-
BHD
19h 00m
2 stops
British Airways Logo
20:25 - 16:20
BHD
-
PHL
24h 55m
2 stops
£701British Airways
Tue, 4 Aug - Tue, 11 Aug

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American Airlines flights from Philadelphia to Belfast

Our best American Airlines deals on Philadelphia to Belfast flight tickets
American Airlines
4 Aug
PHL22:15Philadelphia
14h 20m
1 stop
BHD17:35Belfast City
11 Aug
BHD16:25Belfast City
24h 50m
1 stop
PHL12:15Philadelphia
£665
American Airlines
20 Nov
PHL16:00Philadelphia
13h 30m
2 stops
BHD10:30Belfast City
27 Nov
BHD06:45Belfast City
12h 05m
1 stop
PHL13:50Philadelphia
£713
American Airlines
20 Nov
PHL16:00Philadelphia
13h 30m
2 stops
BHD10:30Belfast City
27 Nov
BHD06:45Belfast City
12h 05m
1 stop
PHL13:50Philadelphia
£714

British Airways flights from Philadelphia to Belfast

Our best British Airways deals on Philadelphia to Belfast flight tickets
British Airways
24 Aug
PHL18:45Philadelphia
13h 10m
1 stop
BHD12:55Belfast City
1 Sept
BHD09:40Belfast City
12h 00m
1 stop
PHL16:40Philadelphia
£631
British Airways
15 Nov
PHL18:35Philadelphia
10h 45m
1 stop
BHD10:20Belfast City
19 Nov
BHD15:05Belfast City
30h 10m
1 stop
PHL16:15Philadelphia
£664
British Airways
10 Sept
PHL18:45Philadelphia
19h 40m
1 stop
BHD19:25Belfast City
23 Sept
BHD10:05Belfast City
11h 35m
1 stop
PHL16:40Philadelphia
£675

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 9 July 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
Fastest return journey

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 24/8

18:45-12:55

1 stop13h 10m

Belfast City

Tue 1/9

09:40-16:40

1 stop12h 00m

£631

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 24/8

18:45-12:55

1 stop13h 10m

Belfast City

Tue 1/9

06:30-17:40

2 stops16h 10m

£647

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Mon 24/8

19:37-15:30

2 stops14h 53m

Belfast City

Tue 1/9

06:30-17:40

2 stops16h 10m

£651

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 15/11

18:35-10:20

1 stop10h 45m

Belfast City

Thu 19/11

15:05-16:15

1 stop30h 10m

£663

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 15/11

18:35-10:20

1 stop10h 45m

Belfast City

Thu 19/11

15:05-16:15

1 stop30h 10m

£664

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/8

22:15-17:35

1 stop14h 20m

Belfast City

Tue 11/8

16:25-12:15

1 stop24h 50m

£665

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 10/9

18:45-19:25

1 stop19h 40m

Belfast City

Wed 23/9

10:05-16:40

1 stop11h 35m

£675

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 10/9

18:45-18:45

1 stop19h 00m

Belfast City

Wed 23/9

06:30-17:45

2 stops16h 15m

£693

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 10/9

15:13-15:30

2 stops19h 17m

Belfast City

Wed 23/9

10:05-16:40

1 stop11h 35m

£694

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/8

15:20-15:20

2 stops19h 00m

Belfast City

Tue 11/8

20:25-16:20

2 stops24h 55m

£701

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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?

British Airways 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.
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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

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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