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Cheap flights from Philadelphia to Belfast from $566

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 7/1. 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

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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.
Multiple Airlines Logo
6:00 am - 6:55 pm
PHL
-
BFS
31h 55m
3 stops
Multiple Airlines Logo
10:45 pm - 3:38 pm
BFS
-
PHL
21h 53m
2 stops
$1,365Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
6:00 am - 6:55 pm
PHL
-
BFS
31h 55m
3 stops
Multiple Airlines Logo
3:55 pm - 9:33 pm
BFS
-
PHL
34h 38m
3 stops
$1,404Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
10:45 am - 10:20 pm
PHL
-
BFS
30h 35m
3 stops
Multiple Airlines Logo
9:55 pm - 4:05 pm
BFS
-
PHL
23h 10m
2 stops
$1,409Multiple Airlines
Wed, Jul 1 - Mon, Jul 6
Multiple Airlines Logo
10:05 am - 10:40 pm
PHL
-
BFS
31h 35m
3 stops
Multiple Airlines Logo
9:40 pm - 2:48 pm
BFS
-
PHL
22h 08m
3 stops
$1,427Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
7:00 am - 10:20 pm
PHL
-
BFS
34h 20m
3 stops
Multiple Airlines Logo
9:55 pm - 4:05 pm
BFS
-
PHL
23h 10m
3 stops
$1,431Multiple Airlines
Wed, Jul 1 - Mon, Jul 6
Multiple Airlines Logo
8:25 pm - 10:50 pm
PHL
-
BFS
21h 25m
2 stops
Multiple Airlines Logo
10:45 pm - 3:38 pm
BFS
-
PHL
21h 53m
2 stops
$1,464Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
4:20 pm - 11:05 pm
PHL
-
BFS
25h 45m
3 stops
Multiple Airlines Logo
8:15 pm - 6:55 pm
BFS
-
PHL
27h 40m
3 stops
$1,501Multiple Airlines
Sat, May 2 - Sat, May 23
Multiple Airlines Logo
8:25 pm - 7:40 pm
PHL
-
BFS
18h 15m
2 stops
Multiple Airlines Logo
9:40 pm - 2:48 pm
BFS
-
PHL
22h 08m
3 stops
$1,525Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
4:20 pm - 11:05 pm
PHL
-
BFS
25h 45m
3 stops
Multiple Airlines Logo
3:20 pm - 4:05 pm
BFS
-
PHL
29h 45m
2 stops
$1,564Multiple Airlines
Sat, May 2 - Sat, May 23
Multiple Airlines Logo
6:00 am - 9:00 pm
PHL
-
BFS
34h 00m
3 stops
Multiple Airlines Logo
2:20 pm - 4:05 pm
BFS
-
PHL
30h 45m
2 stops
$1,635Multiple Airlines
Wed, Jun 24 - Mon, Jun 29

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Belfast Intl Airport 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 March 21, 2026.
Use the filters below to find and compare flights from Philadelphia to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 6/4

6:00 am-6:55 pm

3 stops31h 55m

Belfast Intl

Thu 6/11

10:45 pm-3:38 pm

2 stops21h 53m

$1,365

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 6/4

6:00 am-6:55 pm

3 stops31h 55m

Belfast Intl

Thu 6/11

3:55 pm-9:33 pm

3 stops34h 38m

$1,404

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 7/1

10:45 am-10:20 pm

3 stops30h 35m

Belfast Intl

Mon 7/6

9:55 pm-4:05 pm

2 stops23h 10m

$1,409

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 5/23

10:05 am-10:40 pm

3 stops31h 35m

Belfast Intl

Sat 5/30

9:40 pm-2:48 pm

3 stops22h 08m

$1,427

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 7/1

7:00 am-10:20 pm

3 stops34h 20m

Belfast Intl

Mon 7/6

9:55 pm-4:05 pm

3 stops23h 10m

$1,431

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 6/4

8:25 pm-10:50 pm

2 stops21h 25m

Belfast Intl

Thu 6/11

10:45 pm-3:38 pm

2 stops21h 53m

$1,464

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 5/2

4:20 pm-11:05 pm

3 stops25h 45m

Belfast Intl

Sat 5/23

8:15 pm-6:55 pm

3 stops27h 40m

$1,501
Quickest round-trip

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 5/23

8:25 pm-7:40 pm

2 stops18h 15m

Belfast Intl

Sat 5/30

9:40 pm-2:48 pm

3 stops22h 08m

$1,525

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sat 5/2

4:20 pm-11:05 pm

3 stops25h 45m

Belfast Intl

Sat 5/23

3:20 pm-4:05 pm

2 stops29h 45m

$1,564

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Wed 6/24

6:00 am-9:00 pm

3 stops34h 00m

Belfast Intl

Mon 6/29

2:20 pm-4:05 pm

2 stops30h 45m

$1,635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Philadelphia to Belfast Intl Airport

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 typical price of a round-trip flight between Philadelphia and Belfast Intl Airport?

When to book flights from Philadelphia to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Belfast Intl Airport (PHL to BFS) flight deals and tips

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

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Philadelphia to Belfast Intl Airport takes 10h 25m
There are no direct flights from Philadelphia to Belfast Intl Airport. There are no popular flight routes from Philadelphia to Belfast Intl Airport.
Search flight deals

  • How far is Philadelphia to Belfast Intl by plane?

    A flight from Philadelphia to Belfast Intl will travel around 3238.7 mi. By plane, this route typically takes 10h 25m.

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

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

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

  • How old do you have to be to fly from Philadelphia Airport to Belfast Intl Airport?

    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 Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents you'll need for your trip to Belfast Intl Airport 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 Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Belfast Intl Airport?

Best airlines flying from Philadelphia to Belfast Intl Airport

Compare and see reviews for airlines that fly from Philadelphia to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,805 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Cookstown
Ballymena
Newry
Dungannon

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Belfast from Philadelphia with this policy.

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

Once you have performed a search for Philadelphia to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Belfast from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Belfast Intl Airport trip

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