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Cheap flights from Philadelphia to Belfast from $460

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 7/8. 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 Philadelphia to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:36 pm - 8:40 am
PHL
-
BHD
32h 04m
2 stops
British Airways Logo
6:30 am - 3:35 pm
BHD
-
PHL
14h 05m
1 stop
$1,043British Airways
Sat, Jul 18 - Sun, Jul 26
American Airlines Logo
10:10 pm - 5:40 pm
PHL
-
BHD
14h 30m
1 stop
American Airlines Logo
3:50 pm - 12:10 pm
BHD
-
PHL
25h 20m
1 stop
$1,044American Airlines
Sun, Jun 7 - Sun, Jun 14
British Airways Logo
7:36 pm - 8:40 am
PHL
-
BHD
32h 04m
2 stops
British Airways Logo
7:10 pm - 12:15 pm
BHD
-
PHL
22h 05m
1 stop
$1,045British Airways
Sat, Jul 18 - Sun, Jul 26
American Airlines Logo
10:10 pm - 5:40 pm
PHL
-
BHD
14h 30m
1 stop
American Airlines Logo
6:30 am - 3:25 pm
BHD
-
PHL
13h 55m
1 stop
$1,046American Airlines
Sun, Jun 7 - Sun, Jun 14
British Airways Logo
10:20 pm - 8:40 am
PHL
-
BHD
29h 20m
2 stops
British Airways Logo
7:10 pm - 1:55 pm
BHD
-
PHL
23h 45m
2 stops
$1,048British Airways
Sat, Jul 18 - Sun, Jul 26
Multiple Airlines Logo
3:25 pm - 1:10 pm
PHL
-
BFS
16h 45m
3 stops
Multiple Airlines Logo
10:45 pm - 6:55 pm
BFS
-
PHL
25h 10m
3 stops
$1,049Multiple Airlines
Tue, Oct 6 - Thu, Oct 15
American Airlines Logo
10:10 pm - 5:35 pm
PHL
-
BHD
14h 25m
1 stop
American Airlines Logo
3:20 pm - 12:15 pm
BHD
-
PHL
25h 55m
1 stop
$1,050American Airlines
Tue, Jun 23 - Mon, Jul 6
American Airlines Logo
10:10 pm - 5:40 pm
PHL
-
BHD
14h 30m
1 stop
American Airlines Logo
6:30 am - 6:50 pm
BHD
-
PHL
17h 20m
2 stops
$1,054American Airlines
Sun, Jun 7 - Sun, Jun 14
American Airlines Logo
10:10 pm - 5:40 pm
PHL
-
BHD
14h 30m
1 stop
American Airlines Logo
6:30 am - 4:44 pm
BHD
-
PHL
15h 14m
2 stops
$1,055American Airlines
Sun, Jun 7 - Sun, Jun 14
American Airlines Logo
10:10 pm - 5:40 pm
PHL
-
BHD
14h 30m
1 stop
American Airlines Logo
6:30 am - 6:50 pm
BHD
-
PHL
17h 20m
2 stops
$1,056American Airlines
Sun, Jun 7 - Sun, Jun 14

KLM flights from Philadelphia to Belfast

Our best KLM deals on Philadelphia to Belfast flight tickets
KLM
Sep 21
PHL7:59 pmPhiladelphia
15h 56m
2 stops
BHD4:55 pmBelfast City
Sep 28
BHD9:50 amBelfast City
17h 47m
2 stops
PHL10:37 pmPhiladelphia
$945
KLM
Sep 21
PHL7:59 pmPhiladelphia
15h 56m
2 stops
BHD4:55 pmBelfast City
Sep 27
BHD9:45 amBelfast City
19h 42m
2 stops
PHL12:27 amPhiladelphia
$1,021

Delta flights from Philadelphia to Belfast

Our best Delta deals on Philadelphia to Belfast flight tickets
Delta
Sep 21
PHL7:59 pmPhiladelphia
15h 56m
2 stops
BHD4:55 pmBelfast City
Sep 29
BHD9:50 amBelfast City
15h 08m
2 stops
PHL7:58 pmPhiladelphia
$970
Delta
Sep 19
PHL5:15 pmPhiladelphia
18h 40m
2 stops
BHD4:55 pmBelfast City
Sep 29
BHD9:50 amBelfast City
15h 08m
2 stops
PHL7:58 pmPhiladelphia
$1,020
Delta
Jun 7
PHL5:40 amPhiladelphia
22h 40m
2 stops
BHD9:20 amBelfast City
Jun 14
BHD9:50 amBelfast City
20h 09m
2 stops
PHL12:59 amPhiladelphia
$1,082

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 21, 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 round-trip

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 7/18

7:36 pm-8:40 am

2 stops32h 04m

Belfast City

Sun 7/26

6:30 am-3:35 pm

1 stop14h 05m

$1,043

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 6/7

10:10 pm-5:40 pm

1 stop14h 30m

Belfast City

Sun 6/14

3:50 pm-12:10 pm

1 stop25h 20m

$1,044

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 7/18

7:36 pm-8:40 am

2 stops32h 04m

Belfast City

Sun 7/26

7:10 pm-12:15 pm

1 stop22h 05m

$1,045
Quickest round-trip

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 6/7

10:10 pm-5:40 pm

1 stop14h 30m

Belfast City

Sun 6/14

6:30 am-3:25 pm

1 stop13h 55m

$1,046

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sat 7/18

10:20 pm-8:40 am

2 stops29h 20m

Belfast City

Sun 7/26

7:10 pm-1:55 pm

2 stops23h 45m

$1,048

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Tue 10/6

3:25 pm-1:10 pm

3 stops16h 45m

Belfast Intl

Thu 10/15

10:45 pm-6:55 pm

3 stops25h 10m

$1,049

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 6/23

10:10 pm-5:35 pm

1 stop14h 25m

Belfast City

Mon 7/6

3:20 pm-12:15 pm

1 stop25h 55m

$1,050

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 6/7

10:10 pm-5:40 pm

1 stop14h 30m

Belfast City

Sun 6/14

6:30 am-6:50 pm

2 stops17h 20m

$1,054

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 6/7

10:10 pm-5:40 pm

1 stop14h 30m

Belfast City

Sun 6/14

6:30 am-4:44 pm

2 stops15h 14m

$1,055

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 6/7

10:10 pm-5:40 pm

1 stop14h 30m

Belfast City

Sun 6/14

6:30 am-6:50 pm

2 stops17h 20m

$1,056

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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?

Aer Lingus and British Airways are the most popular carriers 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?

    There are 3250.7 mi between Philadelphia and Belfast. In terms of flight time, this usually takes a little over 10h 45m.

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

    Prices for flights from Philadelphia Airport to Belfast are updated daily.

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

  • 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.

Best airlines flying from Philadelphia to Belfast

Compare and see reviews for airlines that fly from Philadelphia to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,991 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Philadelphia to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Philadelphia.

I’m not ready to book a flight from Philadelphia to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know 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