HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast

$301+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BHD
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
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.

Find flight deals from Philadelphia to Belfast

Best flights from Philadelphia to Belfast
Discover carefully curated flight deals from Philadelphia to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 26, 2025.

This oojo deal was found by Cheapflights users on 11/26. 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.
dom. 3/16:35 pmPHL - BHD
1 stop14h 20mBritish Airways
sáb. 3/73:05 pmBHD - PHL
1 stop30h 10mBritish Airways
Deal found 11/26$597
This Mytrip deal was found by Cheapflights users on 11/25. 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.
mié. 2/47:50 amPHL - BFS
3 stops35h 05mMultiple Airlines
dom. 2/811:05 pmBFS - PHL
3 stops28h 41mMultiple Airlines
Deal found 11/25$1,133
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/286:45 pmPHL - BHD
1 stop13h 15mBritish Airways
sáb. 5/99:35 amBHD - PHL
1 stop12h 05mBritish Airways
Deal found 11/25$614
This British Airways deal was found by Cheapflights users on 11/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/306:35 pmPHL - BHD
1 stop10h 55mBritish Airways
mar. 2/38:45 amBHD - PHL
1 stop12h 30mBritish Airways
Deal found 11/25$620
This oojo deal was found by Cheapflights users on 11/25. 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.
mié. 2/43:35 pmPHL - BHD
2 stops13h 40mBritish Airways
dom. 2/83:10 pmBHD - PHL
1 stop30h 05mBritish Airways
Deal found 11/25$623
This oojo deal was found by Cheapflights users on 11/26. 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.
vie. 3/274:41 pmPHL - BHD
2 stops13h 49mBritish Airways
vie. 4/34:20 pmBHD - PHL
2 stops24h 20mBritish Airways
Deal found 11/26$641
This British Airways deal was found by Cheapflights users on 11/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/236:35 pmPHL - BHD
1 stop11h 05mBritish Airways
vie. 2/276:45 amBHD - PHL
1 stop14h 30mBritish Airways
Deal found 11/23$647
This Mytrip deal was found by Cheapflights users on 11/24. 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.
mié. 4/158:30 pmPHL - BFS
2 stops17h 45mMultiple Airlines
mié. 4/228:10 pmBFS - PHL
3 stops27h 50mMultiple Airlines
Deal found 11/24$1,177

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 noviembre 26, 2025.

Round-trip from

$597
(oojo)

One-way from

$301
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$790
From Philadelphia to Belfast
Search Deals
One-way flight from Philadelphia to Belfast
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 26, 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

dom. 3/1

6:35 pm-1:55 pm

1 stop14h 20m

Belfast City

sáb. 3/7

3:05 pm-4:15 pm

1 stop30h 10m

$597

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

mar. 4/28

6:45 pm-1:00 pm

1 stop13h 15m

Belfast City

sáb. 5/9

9:35 am-4:40 pm

1 stop12h 05m

$614

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

vie. 1/30

6:35 pm-10:30 am

1 stop10h 55m

Belfast City

mar. 2/3

8:45 am-4:15 pm

1 stop12h 30m

$620

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

mié. 2/4

3:35 pm-10:15 am

2 stops13h 40m

Belfast City

dom. 2/8

3:10 pm-4:15 pm

1 stop30h 05m

$623

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

vie. 3/27

4:41 pm-10:30 am

2 stops13h 49m

Belfast City

vie. 4/3

4:20 pm-11:40 am

2 stops24h 20m

$641

PhiladelphiaBelfast

PHL - BHD

PHLBHD

Philadelphia

lun. 2/23

6:35 pm-10:40 am

1 stop11h 05m

Belfast City

vie. 2/27

6:45 am-4:15 pm

1 stop14h 30m

$647

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

mié. 2/4

7:50 am-11:55 pm

3 stops35h 05m

Belfast Intl

dom. 2/8

11:05 pm-10:46 pm

3 stops28h 41m

$1,133

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

mié. 4/15

8:30 pm-7:15 pm

2 stops17h 45m

Belfast Intl

mié. 4/22

8:10 pm-7:00 pm

3 stops27h 50m

$1,177

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

mié. 4/15

8:30 pm-3:15 pm

2 stops13h 45m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

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 month to book a flight from Philadelphia to Belfast?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Belfast (average of $621). Flying from Philadelphia to Belfast in December is currently the most expensive (average of $982). 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.

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 noviembre 26, 2025.
Peruse reviews from past customers who have flown with British Airways from Philadelphia to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,539 reviews

Comfort

6.7

Crew

7.6

Entertainment

6.4

Overall

6.7

Boarding

6.9

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews

Comfort

6.7

Crew

7.6

Entertainment

6.4

Overall

6.7

Boarding

6.9

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 1 airline. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • How long is the flight from Philadelphia to Belfast?

    For as low as $597, British Airways can have you in Belfast from Philadelphia in 14h 20m. Airlines will cover a distance of 3260 mi.

  • What is the cheapest airline to fly from Philadelphia to Belfast round-trip?

    Cheapflights users have booked flights from Philadelphia to Belfast round-trip from $678. This flight start at 21% lower than the current average price 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from Philadelphia to Belfast (average of $621). Flying from Philadelphia to Belfast in December is currently the most expensive (average of $982). 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 airline flying from Philadelphia to Belfast

Discover the top airline 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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$678Average$879FlexibilityNo 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.