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Cheap flights from Pennsylvania to Belfast from £193

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Belfast departing on 21/9. 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

Find the cheapest flights from Pennsylvania to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:30 - 21:00JFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
20:15 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
31h 10m3 stops London Stansted Hamburg Dublin
£428Multiple Airlines
Sun, 27 Sep - Tue, 13 Oct
Multiple Airlines Logo
20:30 - 20:40JFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 10m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
16:20 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
35h 05m3 stops London Stansted Berlin Brandenburg Dublin
£437Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep
Multiple Airlines Logo
20:30 - 20:40JFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 10m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
16:20 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
35h 05m3 stops London Stansted Berlin Brandenburg Dublin
£439Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep
Multiple Airlines Logo
20:25 - 20:40EWR  Newark-BFS Belfast Intl
19h 15m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
20:10 - 19:15BFS  Belfast Intl-EWR Newark
28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl
£458Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep
Multiple Airlines Logo
23:10 - 19:00JFK  New York John F Kennedy Intl-BFS Belfast Intl
14h 50m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
12:20 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
39h 05m3 stops London Stansted Berlin Brandenburg Dublin
£465Multiple Airlines
Thu, 15 Oct - Sun, 18 Oct
Multiple Airlines Logo
20:25 - 20:40EWR  Newark-BFS Belfast Intl
19h 15m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
20:10 - 19:15BFS  Belfast Intl-EWR Newark
28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl
£465Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep
Multiple Airlines Logo
23:10 - 19:40JFK  New York John F Kennedy Intl-BFS Belfast Intl
15h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
08:50 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
42h 35m3 stops London Stansted Berlin Brandenburg Dublin
£474Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Multiple Airlines Logo
20:30 - 20:30JFK  New York John F Kennedy Intl-BHD Belfast City
19h 00m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
10:20 - 22:25BHD  Belfast City-JFK New York John F Kennedy Intl
41h 05m3 stops London Gatwick Berlin Brandenburg Dublin
£476Multiple Airlines
Sun, 27 Sep - Tue, 13 Oct
Multiple Airlines Logo
23:10 - 23:20JFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 10m3 stops Reykjavik Keflavik Intl Edinburgh Turnhouse London Stansted
Multiple Airlines Logo
16:20 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
35h 05m3 stops London Stansted Berlin Brandenburg Dublin
£476Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep
Multiple Airlines Logo
23:10 - 23:20JFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 10m3 stops Reykjavik Keflavik Intl Edinburgh Turnhouse London Stansted
Multiple Airlines Logo
16:20 - 22:25BFS  Belfast Intl-JFK New York John F Kennedy Intl
35h 05m3 stops London Stansted Berlin Brandenburg Dublin
£484Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep

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Delta flights from Pennsylvania to Belfast

Our best Delta deals on Pennsylvania to Belfast flight tickets
Delta
13 Oct
LGA13:00New York LaGuardia
15h 20m
2 stops
BHD09:20Belfast City
21 Oct
BHD09:50Belfast City
17h 35m
2 stops
LGA22:25New York LaGuardia
£762
Delta
24 Sept
PHL06:00Philadelphia
22h 20m
2 stops
BHD09:20Belfast City
1 Oct
BHD09:50Belfast City
19h 50m
2 stops
PHL00:40Philadelphia
£765
Delta
14 Sept
LGA11:59New York LaGuardia
16h 21m
2 stops
BHD09:20Belfast City
21 Sept
BHD09:50Belfast City
16h 37m
2 stops
LGA21:27New York LaGuardia
£836

British Airways flights from Pennsylvania to Belfast

Our best British Airways deals on Pennsylvania to Belfast flight tickets
British Airways
16 Nov
PHL18:35Philadelphia
11h 05m
1 stop
BHD10:40Belfast City
20 Nov
BHD08:45Belfast City
12h 30m
1 stop
PHL16:15Philadelphia
£639
British Airways
15 Nov
PHL18:35Philadelphia
10h 45m
1 stop
BHD10:20Belfast City
17 Nov
BHD16:55Belfast City
28h 20m
1 stop
PHL16:15Philadelphia
£659
British Airways
15 Sept
PHL13:51Philadelphia
14h 09m
2 stops
BHD09:00Belfast City
25 Sept
BHD09:35Belfast City
12h 05m
1 stop
PHL16:40Philadelphia
£670

momondo Fare Finder

 
Customise your flight search to find flights from Pennsylvania 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 10 August 2026.
Use the filters below to find and compare flights from Pennsylvania to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sun 27/9

20:30-21:00

2 stops19h 30m

Belfast Intl

Tue 13/10

20:15-22:25

3 stops31h 10m

£428

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Mon 14/9

20:30-20:40

2 stops19h 10m

Belfast Intl

Wed 30/9

16:20-22:25

3 stops35h 05m

£437

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Mon 14/9

20:30-20:40

2 stops19h 10m

Belfast Intl

Wed 30/9

16:20-22:25

3 stops35h 05m

£439
Fastest return journey

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Mon 14/9

20:25-20:40

2 stops19h 15m

Belfast Intl

Wed 30/9

20:10-19:15

3 stops28h 05m

£458

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Thu 15/10

23:10-19:00

2 stops14h 50m

Belfast Intl

Sun 18/10

12:20-22:25

3 stops39h 05m

£465

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Mon 14/9

20:25-20:40

2 stops19h 15m

Belfast Intl

Wed 30/9

20:10-19:15

3 stops28h 05m

£465

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Tue 6/10

23:10-19:40

2 stops15h 30m

Belfast Intl

Tue 13/10

08:50-22:25

3 stops42h 35m

£474

New YorkBelfast

JFK New York John F Kennedy Intl - BHD Belfast City

JFKBHD

New York John F Kennedy Intl

Sun 27/9

20:30-20:30

2 stops19h 00m

Belfast City

Tue 13/10

10:20-22:25

3 stops41h 05m

£476

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Mon 14/9

23:10-23:20

3 stops19h 10m

Belfast Intl

Wed 30/9

16:20-22:25

3 stops35h 05m

£476

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Mon 14/9

23:10-23:20

3 stops19h 10m

Belfast Intl

Wed 30/9

16:20-22:25

3 stops35h 05m

£484

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from Pennsylvania 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 Pennsylvania to Belfast?

Aer Lingus, British Airways, and Delta are the most popular carriers operating from Pennsylvania to Belfast

Cheap Pennsylvania to Belfast flight deals and tips

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Pennsylvania to Belfast takes 10h 00m
There are no direct flights from Pennsylvania to Belfast. There are no popular flight routes from Pennsylvania to Belfast.
Search flight deals

Frequently asked questions about flying from Pennsylvania to Belfast

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

    Prices for flights from Pennsylvania to Belfast are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania 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 Pennsylvania to Belfast?

Finding the right flight to Belfast from Pennsylvania is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Pennsylvania to Belfast?

momondo helps you find the best flight between Pennsylvania and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pennsylvania 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 Pennsylvania and alert you when they change.

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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