Cheap flights from Northern Ireland to Philadelphia

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs Cheapflights |
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

Home North America USA Pennsylvania Philadelphia Cheap flights from Northern Ireland to Philadelphia

How to find the cheapest flight from
Northern Ireland to Philadelphia (PHL)

How far in advance should I book a flight from Northern Ireland to Philadelphia?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 32% on flights from Northern Ireland to Philadelphia compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £427. For sooner than that we have options available in the next 3 days from £441.

What is the cheapest month to fly from Northern Ireland to Philadelphia?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Philadelphia. Flights to Philadelphia from Northern Ireland in November are about £485 on average during November, but can be found for as low as £312.

Related info for your journey

Useful info, stats and facts about Northern Ireland to Philadelphia flights.

Flight FAQs

From Northern Ireland to Philadelphia

Are flight prices decreasing from Northern Ireland to Philadelphia due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Northern Ireland and Philadelphia for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

How popular is this flight route?

Within the past month, 91 users have taken a look at flights from Northern Ireland to Philadelphia.

What are the most popular airlines that fly from Northern Ireland to Philadelphia?

Consider American Airlines, Air France or British Airways when booking your flight. These represent the most popular airlines when flying from Northern Ireland to Philadelphia.

Related searches

Flights to Philadelphia from Northern Ireland
Flights to Northern Ireland Flights to Philadelphia

Hire a Car

Car Rentals in Philadelphia Car Rentals in USA Car Rentals at Philadelphia Intl

Destination information for Philadelphia

Things to know before you go. Useful info for your trip from Northern Ireland to Philadelphia
Today's exchange rate
£1 = $1.25
Average temperature for July in Philadelphia
31.0 °C
Avg rainfall for July in Philadelphia
114.0 mm

Airports servicing

Derry (LDY)

Airports servicing Philadelphia

Philadelphia (PHL)

Popular flight searches

Check out other popular destinations found by fellow travellers