What is the cheapest airline that flies from Philadelphia to Belfast?

British Airways and American Airlines are the most popular carriers operating from Philadelphia to Belfast

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?

As of November 2025, there is 1 operator available to choose from 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.

$226 Cheap Flights from Philadelphia to Belfast in 2025/26

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6:35 pm - 10:20 amPHL-BHD

10h 45m1 stop

6:35 am - 4:15 pmBHD-PHL

14h 40m1 stop

$658British Airways

Find Deal

Thu, Jan 8 - Tue, Jan 13

6:45 pm - 11:30 amPHL-BHD

11h 45m1 stop

9:35 am - 4:40 pmBHD-PHL

12h 05m1 stop

$663British Airways

Find Deal

Sun, Apr 5 - Thu, Apr 9

6:45 pm - 1:05 pmPHL-BHD

13h 20m1 stop

2:15 pm - 4:40 pmBHD-PHL

31h 25m1 stop

$664British Airways

Find Deal

Sun, Apr 5 - Thu, Apr 9

6:45 pm - 10:35 amPHL-BHD

10h 50m1 stop

7:05 am - 4:40 pmBHD-PHL

14h 35m1 stop

$673British Airways

Find Deal

Tue, Apr 28 - Sat, May 9

1:49 pm - 10:20 amPHL-BHD

15h 31m2 stops

8:45 am - 7:38 pmBHD-PHL

15h 53m2 stops

$683American Airlines

Find Deal

Thu, Jan 8 - Tue, Jan 13

3:35 pm - 10:30 amPHL-BHD

14h 55m2 stops

9:30 am - 3:30 pmBHD-PHL

11h 00m1 stop

$689American Airlines

Find Deal

Fri, Mar 27 - Fri, Apr 3

6:45 pm - 1:00 pmPHL-BHD

13h 15m1 stop

4:15 pm - 5:15 pmBHD-PHL

30h 00m2 stops

$694British Airways

Find Deal

Tue, Apr 28 - Sat, May 9

4:13 pm - 3:20 pmPHL-BHD

18h 07m2 stops

7:00 pm - 5:15 pmBHD-PHL

27h 15m2 stops

$696British Airways

Find Deal

Tue, Apr 28 - Sat, May 9

6:00 pm - 10:30 amPHL-BHD

12h 30m2 stops

9:30 am - 8:20 pmBHD-PHL

15h 50m2 stops

$699American Airlines

Find Deal

Fri, Mar 27 - Fri, Apr 3

6:00 am - 8:40 pmPHL-BFS

33h 40m3 stops

8:55 pm - 10:46 pmBFS-PHL

30h 51m3 stops

$995Multiple Airlines

Find Deal

Thu, Feb 5 - Tue, Feb 10

British Airways flights from Philadelphia to Belfast

Our best British Airways deals on Philadelphia to Belfast flight tickets

British Airways

Jan 8

PHL6:35 pmPhiladelphia

10h 45m

1 stop

BHD10:20 amBelfast City

Jan 13

BHD6:35 amBelfast City

14h 40m

1 stop

PHL4:15 pmPhiladelphia

$658

Find similar

British Airways

Apr 5

PHL6:45 pmPhiladelphia

11h 45m

1 stop

BHD11:30 amBelfast City

Apr 9

BHD9:35 amBelfast City

12h 05m

1 stop

PHL4:40 pmPhiladelphia

$663

Find similar

British Airways

Apr 5

PHL6:45 pmPhiladelphia

13h 20m

1 stop

BHD1:05 pmBelfast City

Apr 9

BHD2:15 pmBelfast City

31h 25m

1 stop

PHL4:40 pmPhiladelphia

$664

Find similar

American Airlines flights from Philadelphia to Belfast

Our best American Airlines deals on Philadelphia to Belfast flight tickets

American Airlines

Jan 8

PHL1:49 pmPhiladelphia

15h 31m

2 stops

BHD10:20 amBelfast City

Jan 13

BHD8:45 amBelfast City

15h 53m

2 stops

PHL7:38 pmPhiladelphia

$683

Find similar

American Airlines

Mar 27

PHL3:35 pmPhiladelphia

14h 55m

2 stops

BHD10:30 amBelfast City

Apr 3

BHD9:30 amBelfast City

11h 00m

1 stop

PHL3:30 pmPhiladelphia

$689

Find similar

American Airlines

Mar 27

PHL3:35 pmPhiladelphia

14h 55m

2 stops

BHD10:30 amBelfast City

Apr 3

BHD9:30 amBelfast City

15h 50m

2 stops

PHL8:20 pmPhiladelphia

$699

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 1/8

6:35 pm-10:20 am

1 stop10h 45m

Belfast City

Tue 1/13

6:35 am-4:15 pm

1 stop14h 40m

$658

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 4/5

6:45 pm-11:30 am

1 stop11h 45m

Belfast City

Thu 4/9

9:35 am-4:40 pm

1 stop12h 05m

$663

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 4/5

6:45 pm-1:05 pm

1 stop13h 20m

Belfast City

Thu 4/9

2:15 pm-4:40 pm

1 stop31h 25m

$664

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-10:35 am

1 stop10h 50m

Belfast City

Sat 5/9

7:05 am-4:40 pm

1 stop14h 35m

$673

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Thu 1/8

1:49 pm-10:20 am

2 stops15h 31m

Belfast City

Tue 1/13

8:45 am-7:38 pm

2 stops15h 53m

$683

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

3:35 pm-10:30 am

2 stops14h 55m

Belfast City

Fri 4/3

9:30 am-3:30 pm

1 stop11h 00m

$689

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

6:45 pm-1:00 pm

1 stop13h 15m

Belfast City

Sat 5/9

4:15 pm-5:15 pm

2 stops30h 00m

$694

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 4/28

4:13 pm-3:20 pm

2 stops18h 07m

Belfast City

Sat 5/9

7:00 pm-5:15 pm

2 stops27h 15m

$696

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 3/27

6:00 pm-10:30 am

2 stops12h 30m

Belfast City

Fri 4/3

9:30 am-8:20 pm

2 stops15h 50m

$699

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 2/5

6:00 am-8:40 pm

3 stops33h 40m

Belfast Intl

Tue 2/10

8:55 pm-10:46 pm

3 stops30h 51m

$995

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from Philadelphia to Belfast is on a Wednesday when prices can be found for as low as $736. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Belfast for around $1,214.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Philadelphia to Belfast flights are usually those with departure times in the evening. Our users have found flights to Belfast in the evening for as low as $788. Try not to purchase tickets in the afternoon because they tend to be around $849. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Philadelphia to Belfast flight deals and tips

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

Direct flights	None

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?
As of November 2025, there is 1 operator available to choose from 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 Airways	PriceFrom $678	Free Cancellation	Rating 6.7 7,524 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.

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Belfast Intl Airport

Belfast City Airport

Popular cities in the United Kingdom

Flights to Londonfrom $312

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Flights to Birminghamfrom $410

Flights to Newcastle upon Tynefrom $521

Flights to Bristolfrom $467

Flights to Invernessfrom $399

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $453

Flights to Leedsfrom $466

Flights to Cardifffrom $508

Cheap flights from Philadelphia to Belfast from $226

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 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Belfast

Cheap round-trip flights

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British Airways flights from Philadelphia to Belfast

Our best British Airways deals on Philadelphia to Belfast flight tickets

American Airlines flights from Philadelphia to Belfast

Our best American Airlines deals on Philadelphia to Belfast flight tickets

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Use the filters below to find and compare flights from Philadelphia to Belfast that are best for you.

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 day to depart on your flight to Belfast?

The cheapest day to depart from Philadelphia to Belfast is on a Wednesday when prices can be found for as low as $736. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Belfast for around $1,214.

What is the cheapest time of day to depart on your flight to Belfast?

What is the cheapest airline that flies from Philadelphia to Belfast?

British Airways and American Airlines 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

Direct flights

How far is Philadelphia to Belfast by plane?

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

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?

What documentation or ID do you need to fly to Belfast?

Best airlines flying from Philadelphia to Belfast

Compare and see reviews for airlines that fly from Philadelphia to Belfast with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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