HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast

$275+ Cheap flights from Philadelphia (PHL) to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Belfast with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.

Round-trip from

$823
(American Airlines)

One-way from

$275
(Kiwi.com)
From Philadelphia to Belfast
Search Deals
One-way flight from Philadelphia to Belfast
Search Deals

Find flight deals from Philadelphia to Belfast

Cheapest flights from Philadelphia to Belfast
Explore the most affordable flight options available from Philadelphia to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:55 pmPHL - BHD
1 stop17h 20mAmerican Airlines
Fri 5/96:35 amBHD - PHL
1 stop13h 40mAmerican Airlines
Deal found 4/17$823
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:40 pmPHL - BHD
2 stops18h 35mBritish Airways
Fri 5/94:20 pmBHD - PHL
2 stops30h 34mBritish Airways
Deal found 4/17$834
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/254:50 pmPHL - BFS
2 stops25h 30mMultiple Airlines
Sun 6/82:55 pmBFS - PHL
2 stops44h 35mMultiple Airlines
Deal found 4/16$859
This KLM deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:59 pmPHL - BHD
2 stops15h 56mKLM
Sat 5/106:30 amBHD - PHL
2 stops15h 40mKLM
Deal found 4/17$996
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/257:45 amPHL - BHD
2 stops31h 40mMultiple Airlines
Sun 6/87:05 amBHD - PHL
2 stops29h 43mMultiple Airlines
Deal found 4/16$1,052

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Philadelphia to Belfast that are best for you.

Fly from

Philadelphia

Fly to

Belfast

Route

Depart

Return

Price

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 5/2

7:55 pm-6:15 pm

1 stop17h 20m

Belfast City

Fri 5/9

6:35 am-3:15 pm

1 stop13h 40m

$823

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 5/2

6:40 pm-6:15 pm

2 stops18h 35m

Belfast City

Fri 5/9

4:20 pm-5:54 pm

2 stops30h 34m

$834

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Sun 5/25

4:50 pm-11:20 pm

2 stops25h 30m

Belfast Intl

Sun 6/8

2:55 pm-6:30 am

2 stops44h 35m

$859

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Fri 5/2

7:59 pm-4:55 pm

2 stops15h 56m

Belfast City

Sat 5/10

6:30 am-5:10 pm

2 stops15h 40m

$996

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Sun 5/25

7:45 am-8:25 pm

2 stops31h 40m

Belfast City

Sun 6/8

7:05 am-7:48 am

2 stops29h 43m

$1,052

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Tue 7/29

12:29 pm-7:40 am

2 stops38h 11m

$275

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 7/29

12:29 pm-1:45 pm

2 stops20h 16m

$290

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

Tue 7/29

6:30 pm-1:00 pm

1 stop13h 30m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Philadelphia to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Belfast

What is the cheapest time of day to fly from PHL to BFS?

Find hourly flight availability from Philadelphia to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

One of the essential ways to save on airfare from Philadelphia to Belfast is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 27% on airfare.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated April 17, 2025.
KLM
7.8
Good
1,329 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,329 reviews
KLM
7.8
Good
1,329 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,329 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,767 reviews
KLM
7.8
Good
1,329 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Belfast?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Belfast. On average, Philadelphia has 0 outbound flights to Belfast per day from 2 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • What are the cheapest airlines flying from Philadelphia to Belfast round-trip?

    Cheapflights users have booked flights from Philadelphia to Belfast round-trip from $823. Other airlines that can offer you cheap pricing are British Airways, from $834, and KLM, from $996.

  • Can I find deals for flights from Philadelphia to Belfast that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Belfast.

  • Can I find deals for business class flights from Philadelphia to Belfast?

    Yes. Cheapflights offers flight deals from Philadelphia to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Belfast (average of $657). Flying from Philadelphia to Belfast in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Philadelphia to Belfast

Discover the top 2 airlines that operate flights from Philadelphia to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$600Average$858FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$637Average$844FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.