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Cheap flights from Philadelphia to Belfast from $240

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.
American Airlines Logo
7:40 pm - 2:35 pm
PHL
-
BHD
13h 55m
1 stop
American Airlines Logo
6:30 am - 3:35 pm
BHD
-
PHL
14h 05m
1 stop
$643American Airlines
Sun, Aug 16 - Wed, Aug 26
American Airlines Logo
10:20 pm - 5:40 pm
PHL
-
BHD
14h 20m
1 stop
American Airlines Logo
6:30 am - 3:35 pm
BHD
-
PHL
14h 05m
1 stop
$644American Airlines
Sun, Aug 16 - Wed, Aug 26
British Airways Logo
9:50 pm - 5:30 pm
PHL
-
BHD
38h 40m
2 stops
British Airways Logo
4:05 pm - 11:07 am
BHD
-
PHL
24h 02m
2 stops
$649British Airways
Sun, Aug 16 - Wed, Aug 26
British Airways Logo
9:50 pm - 5:30 pm
PHL
-
BHD
38h 40m
2 stops
British Airways Logo
7:40 pm - 4:40 pm
BHD
-
PHL
26h 00m
1 stop
$652British Airways
Sun, Aug 16 - Wed, Aug 26
American Airlines Logo
7:40 pm - 2:35 pm
PHL
-
BHD
13h 55m
1 stop
American Airlines Logo
6:30 am - 4:50 pm
BHD
-
PHL
15h 20m
2 stops
$653American Airlines
Sun, Aug 16 - Wed, Aug 26
British Airways Logo
3:20 pm - 2:35 pm
PHL
-
BHD
18h 15m
2 stops
British Airways Logo
6:30 am - 12:15 pm
BHD
-
PHL
34h 45m
2 stops
$670British Airways
Sun, Aug 16 - Wed, Aug 26
American Airlines Logo
10:05 pm - 5:40 pm
PHL
-
BHD
14h 35m
1 stop
American Airlines Logo
3:50 pm - 12:05 pm
BHD
-
PHL
25h 15m
1 stop
$693American Airlines
Sun, May 10 - Sun, May 17
American Airlines Logo
10:05 pm - 3:30 pm
PHL
-
BHD
12h 25m
1 stop
American Airlines Logo
6:30 am - 3:25 pm
BHD
-
PHL
13h 55m
1 stop
$694American Airlines
Fri, Apr 24 - Wed, Apr 29
British Airways Logo
6:45 pm - 3:20 pm
PHL
-
BHD
15h 35m
1 stop
British Airways Logo
9:35 am - 4:40 pm
BHD
-
PHL
12h 05m
1 stop
$697British Airways
Tue, Apr 28 - Sat, May 9
Multiple Airlines Logo
10:05 am - 9:30 pm
PHL
-
BFS
30h 25m
3 stops
Multiple Airlines Logo
9:35 am - 6:55 pm
BFS
-
PHL
38h 20m
3 stops
$1,123Multiple Airlines
Sun, May 10 - Sun, May 17

American Airlines flights from Philadelphia to Belfast

Our best American Airlines deals on Philadelphia to Belfast flight tickets
American Airlines
Aug 16
PHL7:40 pmPhiladelphia
13h 55m
1 stop
BHD2:35 pmBelfast City
Aug 26
BHD6:30 amBelfast City
14h 05m
1 stop
PHL3:35 pmPhiladelphia
$643
American Airlines
Aug 16
PHL10:20 pmPhiladelphia
14h 20m
1 stop
BHD5:40 pmBelfast City
Aug 26
BHD6:30 amBelfast City
14h 05m
1 stop
PHL3:35 pmPhiladelphia
$644
American Airlines
Aug 16
PHL7:40 pmPhiladelphia
13h 55m
1 stop
BHD2:35 pmBelfast City
Aug 26
BHD6:30 amBelfast City
15h 20m
2 stops
PHL4:50 pmPhiladelphia
$653

British Airways flights from Philadelphia to Belfast

Our best British Airways deals on Philadelphia to Belfast flight tickets
British Airways
Aug 16
PHL9:50 pmPhiladelphia
38h 40m
2 stops
BHD5:30 pmBelfast City
Aug 26
BHD4:05 pmBelfast City
24h 02m
2 stops
PHL11:07 amPhiladelphia
$649
British Airways
Aug 16
PHL9:50 pmPhiladelphia
38h 40m
2 stops
BHD5:30 pmBelfast City
Aug 26
BHD7:40 pmBelfast City
26h 00m
1 stop
PHL4:40 pmPhiladelphia
$652
British Airways
Aug 16
PHL3:20 pmPhiladelphia
18h 15m
2 stops
BHD2:35 pmBelfast City
Aug 26
BHD6:30 amBelfast City
34h 45m
2 stops
PHL12:15 pmPhiladelphia
$670

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 February 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

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

7:40 pm-2:35 pm

1 stop13h 55m

Belfast City

Wed 8/26

6:30 am-3:35 pm

1 stop14h 05m

$643

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

10:20 pm-5:40 pm

1 stop14h 20m

Belfast City

Wed 8/26

6:30 am-3:35 pm

1 stop14h 05m

$644

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

9:50 pm-5:30 pm

2 stops38h 40m

Belfast City

Wed 8/26

4:05 pm-11:07 am

2 stops24h 02m

$649

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

9:50 pm-5:30 pm

2 stops38h 40m

Belfast City

Wed 8/26

7:40 pm-4:40 pm

1 stop26h 00m

$652

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

7:40 pm-2:35 pm

1 stop13h 55m

Belfast City

Wed 8/26

6:30 am-4:50 pm

2 stops15h 20m

$653

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 8/16

3:20 pm-2:35 pm

2 stops18h 15m

Belfast City

Wed 8/26

6:30 am-12:15 pm

2 stops34h 45m

$670

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 5/10

10:05 pm-5:40 pm

1 stop14h 35m

Belfast City

Sun 5/17

3:50 pm-12:05 pm

1 stop25h 15m

$693

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 4/24

10:05 pm-3:30 pm

1 stop12h 25m

Belfast City

Wed 4/29

6:30 am-3:25 pm

1 stop13h 55m

$694

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-3:20 pm

1 stop15h 35m

Belfast City

Sat 5/9

9:35 am-4:40 pm

1 stop12h 05m

$697

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 5/10

10:05 am-9:30 pm

3 stops30h 25m

Belfast Intl

Sun 5/17

9:35 am-6:55 pm

3 stops38h 20m

$1,123

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 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?

American Airlines and Delta 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

  • 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 $621Free CancellationRating
6.7
7,756 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