Cheap Flights from Philadelphia to Belfast

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Find the cheapest month or even day of the year to fly to Belfast

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Find the cheapest month to fly from Philadelphia to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Belfast flights are currently cheapest in July.

Alternative Philadelphia to Belfast routes

Looking for the cheapest, fastest or easiest route from Philadelphia to Belfast? You could fly into the following airports instead.

Philadelphia to Belfast: Flight information

The things to know before you go.
Cheapest flight found$1,376
Cheapest month to flyApril

Finding cheap flights from Philadelphia to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Philadelphia to Belfast is $1,376. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia to Belfast. But we found flights with one or more stops from $1,376.
As of March 2026, there are no flights flying from Philadelphia to Belfast.
The cheapest month to fly from Philadelphia to Belfast is usually April.
If you're flying from Philadelphia, the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the centre of Belfast. We've found flights into this airport from $1,376.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Belfast on Sunday, 26 April 2026.
No airlines currently offer direct flights between Philadelphia and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
The cheapest airline that flies to Belfast is British Airways .

Travelling from Philadelphia to Belfast: what you need to know

  • Philadelphia's main base, Philadelphia International Airport (PHL), is where many great holidays begin. Explore the departure options from here when searching for a flight from Philadelphia to Belfast.

  • Step off your plane in Belfast at Belfast International Airport (BFS) or George Best Belfast City Airport (BHD).

  • Belfast is four hours ahead of Philadelphia and observes the UTC+0 timezone.

  • Give yourself enough time to make your Philadelphia to Belfast flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a popular month like August? Major public holidays and other popular seasons can lead to longer queues and delays at security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from Philadelphia to Belfast

  • To find cheap Philadelphia to Belfast flights, book ahead. Airlines tend to offer lower prices when tickets are first released.

  • The 'Whole month' tool will show you the cheapest plane tickets from Philadelphia to Belfast throughout the month. It's a great way to find a bargain if your plans are flexible.

  • Stay on top of deals for cheap flights from Philadelphia to Belfast by setting up a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.

  • Select your ideal arrival and departure times, number of stops and airlines by using the filters. Alternatively, sort your Philadelphia to Belfast flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from Philadelphia

Philadelphia International Airport (PHL)

  • A stopover is the perfect opportunity to take a travel break — and maybe even explore another city. When searching for Philadelphia to Belfast flights leaving from Philadelphia International Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

  • PHL is around 11 kilometres from central Philadelphia. If you're ride-sharing, catching a cab or driving from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 45 minutes.

  • Booked an early flight from Philadelphia to Belfast? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to Philadelphia International Airport:

  • Of all flights leaving Philadelphia International Airport, 78.93% arrive as scheduled at their destination.

  • You'll find PHL at 8500 Essington Ave.

Arriving in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) to central Belfast takes about 30 minutes by car. The centre is roughly 19 kilometres away.

  • If you're using public transport, expect a journey time of roughly 2 hours.

  • Consider booking a hotel close to BFS if you have a late flight from Philadelphia to Belfast. Pick one of these accommodation options and skip the long transfer:

  • Pick up a Belfast International Airport rental car and discover Belfast and beyond with your own set of wheels. Budget, Drivalia and Dollar are well-known companies to choose from here.

  • Booking your ride from Belfast International Airport around three weeks ahead can help you secure the lowest rate.

George Best Belfast City Airport (BHD)

  • Central Belfast is about 5 kilometres from George Best Belfast City Airport (BHD). As soon as your flight from Philadelphia to Belfast has hit the runway and you've made your way out of the airport, expect a drive of about 10 minutes.

  • If you hop on public transport, the journey will take you 20 minutes or so.

  • After your flight from Philadelphia to Belfast, rest your head at a hotel near BHD. These are some great options that'll help you get into relaxation mode:

  • No need to worry about public transport schedules or cab lines. Grab a George Best Belfast City Airport rental car and go in any direction that inspires you. Check out the availability and rates from Budget, Sixt and Alamo.

  • Get the pick of the lot. Reserving your ride from BHD two weeks ahead of time often means better prices and a greater range of vehicles.

Best time to go to Belfast

  • It's time to plan your trip dates for your flight from Philadelphia to Belfast. August is the most popular month to visit Belfast. If you like a more peaceful vibe, go in January.

  • When booking your Philadelphia to Belfast tickets, consider the kind of weather you prefer. July is the warmest month in Belfast, with temperatures ranging from 10ºC to 19ºC.

  • Search for cheap flights from Philadelphia to Belfast in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 1ºC and 8ºC on average.

More about Belfast

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Belfast right here. Check out these hotels once you've locked in your flight from Philadelphia to Belfast:

  • Titanic Belfast and Crumlin Road Gaol Visitor Attraction and Conference Centre are a couple of popular attractions to add to your Belfast must-do list. Keep the momentum going by heading to Botanic Gardens.

Explore more of United Kingdom

  • Belfast is easy to fall in love with, but there are so many other parts of United Kingdom waiting to be explored. Around 354 kilometres south-east of Belfast, a visit to Birmingham will keep you on the move. Start with attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 418 kilometres south-east of Belfast, Bristol is another favourite stop in United Kingdom. Start your sightseeing at Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.