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Cheap flights from Pennsylvania to Belfast from $307

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 5/5. 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
0 bags

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Find the cheapest flights from Pennsylvania to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:20 pm - 12:20 pm
JFK
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
2:50 pm - 3:55 pm
BFS
-
JFK
30h 05m
1 stop
$668Multiple Airlines
Sun, Oct 11 - Thu, Oct 22
Multiple Airlines Logo
6:20 pm - 2:35 pm
JFK
-
BFS
15h 15m
1 stop
Multiple Airlines Logo
6:40 am - 3:55 pm
BFS
-
JFK
14h 15m
1 stop
$679Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
American Airlines Logo
10:20 pm - 5:40 pm
PHL
-
BHD
14h 20m
1 stop
American Airlines Logo
4:05 pm - 12:20 pm
BHD
-
PHL
25h 15m
1 stop
$888American Airlines
Sun, Aug 9 - Wed, Aug 19
British Airways Logo
6:45 pm - 10:45 am
PHL
-
BHD
11h 00m
1 stop
British Airways Logo
6:30 am - 4:40 pm
BHD
-
PHL
15h 10m
1 stop
$889British Airways
Tue, Aug 11 - Thu, Aug 20
British Airways Logo
6:45 pm - 10:30 am
PHL
-
BHD
10h 45m
1 stop
British Airways Logo
6:20 pm - 4:40 pm
BHD
-
PHL
27h 20m
1 stop
$890British Airways
Sun, Aug 16 - Wed, Aug 19
American Airlines Logo
10:20 pm - 5:40 pm
PHL
-
BHD
14h 20m
1 stop
American Airlines Logo
9:35 am - 9:10 pm
BHD
-
PHL
16h 35m
2 stops
$897American Airlines
Sun, Aug 9 - Fri, Aug 21
KLM Logo
2:00 pm - 9:20 am
LGA
-
BHD
14h 20m
2 stops
KLM Logo
9:50 am - 8:31 pm
BHD
-
LGA
15h 41m
2 stops
$949KLM
Tue, Oct 13 - Fri, Oct 23
Virgin Atlantic Logo
8:27 am - 9:20 am
IAD
-
BHD
19h 53m
2 stops
Virgin Atlantic Logo
9:50 am - 3:35 pm
BHD
-
IAD
10h 45m
1 stop
$1,015Virgin Atlantic
Wed, Aug 5 - Wed, Aug 19
KLM Logo
10:40 am - 9:20 am
IAD
-
BHD
17h 40m
2 stops
KLM Logo
5:30 pm - 3:35 pm
BHD
-
IAD
27h 05m
1 stop
$1,016KLM
Wed, Aug 19 - Wed, Aug 26
Virgin Atlantic Logo
5:40 pm - 4:55 pm
IAD
-
BHD
18h 15m
1 stop
Virgin Atlantic Logo
5:30 pm - 3:35 pm
BHD
-
IAD
27h 05m
1 stop
$1,022Virgin Atlantic
Fri, Oct 9 - Mon, Oct 12

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Delta flights from Pennsylvania to Belfast

Our best Delta deals on Pennsylvania to Belfast flight tickets
Delta
Oct 11
JFK8:55 amNew York John F Kennedy Intl
19h 25m
2 stops
BHD9:20 amBelfast City
Oct 22
BHD9:50 amBelfast City
12h 17m
1 stop
JFK5:07 pmNew York John F Kennedy Intl
$939
Delta
May 6
JFK4:40 pmNew York John F Kennedy Intl
11h 40m
1 stop
BHD9:20 amBelfast City
May 13
BHD9:50 amBelfast City
17h 29m
2 stops
JFK10:19 pmNew York John F Kennedy Intl
$944
Delta
May 6
JFK4:40 pmNew York John F Kennedy Intl
11h 40m
1 stop
BHD9:20 amBelfast City
May 13
BHD9:50 amBelfast City
17h 29m
2 stops
JFK10:19 pmNew York John F Kennedy Intl
$945

Aer Lingus flights from Pennsylvania to Belfast

Our best Aer Lingus deals on Pennsylvania to Belfast flight tickets
Aer Lingus
Apr 21
JFK4:55 pmNew York John F Kennedy Intl
15h 55m
2 stops
BHD1:50 pmBelfast City
Apr 23
BHD7:00 amBelfast City
17h 20m
2 stops
JFK7:20 pmNew York John F Kennedy Intl
$1,031
Aer Lingus
May 13
IAD5:15 pmWashington, D.C. Dulles Intl
22h 50m
2 stops
BHD9:05 pmBelfast City
May 20
BHD7:00 amBelfast City
17h 25m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$1,045
Aer Lingus
Aug 3
IAD5:15 pmWashington, D.C. Dulles Intl
13h 40m
2 stops
BHD11:55 amBelfast City
Aug 14
BHD9:50 amBelfast City
14h 25m
2 stops
IAD7:15 pmWashington, D.C. Dulles Intl
$1,156

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 April 17, 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 - BFS

JFKBFS

New York John F Kennedy Intl

Sun 10/11

6:20 pm-12:20 pm

1 stop13h 00m

Belfast Intl

Thu 10/22

2:50 pm-3:55 pm

1 stop30h 05m

$668

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 10/13

6:20 pm-2:35 pm

1 stop15h 15m

Belfast Intl

Tue 10/20

6:40 am-3:55 pm

1 stop14h 15m

$679

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/9

10:20 pm-5:40 pm

1 stop14h 20m

Belfast City

Wed 8/19

4:05 pm-12:20 pm

1 stop25h 15m

$888
Quickest round-trip

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 8/11

6:45 pm-10:45 am

1 stop11h 00m

Belfast City

Thu 8/20

6:30 am-4:40 pm

1 stop15h 10m

$889

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

6:45 pm-10:30 am

1 stop10h 45m

Belfast City

Wed 8/19

6:20 pm-4:40 pm

1 stop27h 20m

$890

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/9

10:20 pm-5:40 pm

1 stop14h 20m

Belfast City

Fri 8/21

9:35 am-9:10 pm

2 stops16h 35m

$897

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Tue 10/13

2:00 pm-9:20 am

2 stops14h 20m

Belfast City

Fri 10/23

9:50 am-8:31 pm

2 stops15h 41m

$949

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 8/5

8:27 am-9:20 am

2 stops19h 53m

Belfast City

Wed 8/19

9:50 am-3:35 pm

1 stop10h 45m

$1,015

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 8/19

10:40 am-9:20 am

2 stops17h 40m

Belfast City

Wed 8/26

5:30 pm-3:35 pm

1 stop27h 05m

$1,016

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 10/9

5:40 pm-4:55 pm

1 stop18h 15m

Belfast City

Mon 10/12

5:30 pm-3:35 pm

1 stop27h 05m

$1,022

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, Delta, and American Airlines 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

9h 55m

Direct flights

None
The fastest flight from Pennsylvania to Belfast takes 9h 55m
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
7,889 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