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Cheap flights from Pennsylvania to Belfast from $260

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 9/21. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 9:00 pmJFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
8:15 pm - 10:25 pmBFS  Belfast Intl-JFK New York John F Kennedy Intl
31h 10m3 stops London Stansted Hamburg Dublin
$577Multiple Airlines
Sun, Sep 27 - Tue, Oct 13
Multiple Airlines Logo
8:30 pm - 8:40 pmJFK  New York John F Kennedy Intl-BFS Belfast Intl
19h 10m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
4:20 pm - 10:25 pmBFS  Belfast Intl-JFK New York John F Kennedy Intl
35h 05m3 stops London Stansted Berlin Brandenburg Dublin
$590Multiple Airlines
Mon, Sep 14 - Wed, Sep 30
Multiple Airlines Logo
8:25 pm - 8:40 pmEWR  Newark-BFS Belfast Intl
19h 15m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
8:10 pm - 7:15 pmBFS  Belfast Intl-EWR Newark
28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl
$618Multiple Airlines
Mon, Sep 14 - Wed, Sep 30
Multiple Airlines Logo
11:10 pm - 7:00 pmJFK  New York John F Kennedy Intl-BFS Belfast Intl
14h 50m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
12:20 pm - 10:25 pmBFS  Belfast Intl-JFK New York John F Kennedy Intl
39h 05m3 stops London Stansted Berlin Brandenburg Dublin
$628Multiple Airlines
Thu, Oct 15 - Sun, Oct 18
British Airways Logo
6:35 pm - 10:40 amPHL  Philadelphia-BHD Belfast City
11h 05m1 stop London Heathrow
British Airways Logo
8:45 am - 4:15 pmBHD  Belfast City-PHL Philadelphia
12h 30m1 stop London Heathrow
$863British Airways
Mon, Nov 16 - Fri, Nov 20
British Airways Logo
6:35 pm - 10:20 amPHL  Philadelphia-BHD Belfast City
10h 45m1 stop London Heathrow
British Airways Logo
4:55 pm - 4:15 pmBHD  Belfast City-PHL Philadelphia
28h 20m1 stop London Heathrow
$890British Airways
Sun, Nov 15 - Tue, Nov 17
American Airlines Logo
4:25 pm - 10:40 amPHL  Philadelphia-BHD Belfast City
13h 15m2 stops Boston Logan Intl London Heathrow
American Airlines Logo
6:45 am - 1:50 pmBHD  Belfast City-PHL Philadelphia
12h 05m1 stop London Heathrow
$893American Airlines
Mon, Nov 16 - Fri, Nov 20
American Airlines Logo
2:10 pm - 9:05 amPHL  Philadelphia-BHD Belfast City
13h 55m2 stops Boston Logan Intl London Heathrow
American Airlines Logo
6:45 am - 6:44 pmBHD  Belfast City-PHL Philadelphia
16h 59m2 stops London Heathrow Charlotte Douglas
$903American Airlines
Mon, Nov 16 - Fri, Nov 20
British Airways Logo
1:51 pm - 9:00 amPHL  Philadelphia-BHD Belfast City
14h 09m2 stops Toronto Pearson Intl London Heathrow
British Airways Logo
9:35 am - 4:40 pmBHD  Belfast City-PHL Philadelphia
12h 05m1 stop London Heathrow
$904British Airways
Tue, Sep 15 - Fri, Sep 25
British Airways Logo
6:45 pm - 10:45 amPHL  Philadelphia-BHD Belfast City
11h 00m1 stop London Heathrow
British Airways Logo
6:30 am - 4:40 pmBHD  Belfast City-PHL Philadelphia
15h 10m1 stop London Heathrow
$929British Airways
Tue, Sep 15 - Fri, Sep 25

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KLM flights from Pennsylvania to Belfast

Our best KLM deals on Pennsylvania to Belfast flight tickets
KLM
Sep 15
PHL12:29 pmPhiladelphia
15h 51m
2 stops
BHD9:20 amBelfast City
Sep 25
BHD9:50 amBelfast City
17h 31m
2 stops
PHL10:21 pmPhiladelphia
$983
KLM
Sep 27
LGA1:00 pmNew York LaGuardia
15h 20m
2 stops
BHD9:20 amBelfast City
Oct 13
BHD9:50 amBelfast City
15h 42m
2 stops
LGA8:32 pmNew York LaGuardia
$1,023
KLM
Oct 14
LGA1:00 pmNew York LaGuardia
15h 20m
2 stops
BHD9:20 amBelfast City
Oct 20
BHD9:50 amBelfast City
16h 37m
2 stops
LGA9:27 pmNew York LaGuardia
$1,079

Delta flights from Pennsylvania to Belfast

Our best Delta deals on Pennsylvania to Belfast flight tickets
Delta
Oct 13
LGA12:00 pmNew York LaGuardia
16h 20m
2 stops
BHD9:20 amBelfast City
Oct 22
BHD9:50 amBelfast City
17h 35m
2 stops
LGA10:25 pmNew York LaGuardia
$1,029
Delta
Sep 14
LGA11:59 amNew York LaGuardia
16h 21m
2 stops
BHD9:20 amBelfast City
Sep 21
BHD9:50 amBelfast City
16h 37m
2 stops
LGA9:27 pmNew York LaGuardia
$1,128
Delta
Oct 9
LGA3:00 pmNew York LaGuardia
20h 55m
2 stops
BHD4:55 pmBelfast City
Oct 25
BHD9:40 amBelfast City
17h 47m
2 stops
LGA11:27 pmNew York LaGuardia
$1,129

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 10, 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 round-trip

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sun 9/27

8:30 pm-9:00 pm

2 stops19h 30m

Belfast Intl

Tue 10/13

8:15 pm-10:25 pm

3 stops31h 10m

$577

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Mon 9/14

8:30 pm-8:40 pm

2 stops19h 10m

Belfast Intl

Wed 9/30

4:20 pm-10:25 pm

3 stops35h 05m

$590

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Mon 9/14

8:25 pm-8:40 pm

2 stops19h 15m

Belfast Intl

Wed 9/30

8:10 pm-7:15 pm

3 stops28h 05m

$618

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Thu 10/15

11:10 pm-7:00 pm

2 stops14h 50m

Belfast Intl

Sun 10/18

12:20 pm-10:25 pm

3 stops39h 05m

$628
Quickest round-trip

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 11/16

6:35 pm-10:40 am

1 stop11h 05m

Belfast City

Fri 11/20

8:45 am-4:15 pm

1 stop12h 30m

$863

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Sun 11/15

6:35 pm-10:20 am

1 stop10h 45m

Belfast City

Tue 11/17

4:55 pm-4:15 pm

1 stop28h 20m

$890

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 11/16

4:25 pm-10:40 am

2 stops13h 15m

Belfast City

Fri 11/20

6:45 am-1:50 pm

1 stop12h 05m

$893

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 11/16

2:10 pm-9:05 am

2 stops13h 55m

Belfast City

Fri 11/20

6:45 am-6:44 pm

2 stops16h 59m

$903

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Tue 9/15

1:51 pm-9:00 am

2 stops14h 09m

Belfast City

Fri 9/25

9:35 am-4:40 pm

1 stop12h 05m

$904

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Tue 9/15

6:45 pm-10:45 am

1 stop11h 00m

Belfast City

Fri 9/25

6:30 am-4:40 pm

1 stop15h 10m

$929

Flights are sorted by cheapest round-trip 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?

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.
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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 were last updated today.

  • How many operators does momondo search for flights from Pennsylvania to Belfast?

  • 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.

Best airlines flying from Pennsylvania to Belfast

Compare and see reviews for airlines that fly from Pennsylvania to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.7
8,153 reviews
Search British Airways flights

Why use momondo?

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

It is quick and easy to find Pennsylvania 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 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?

Of course. momondo tracks the price of Pennsylvania to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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