Cheap flights from Northern Ireland to Pittsburgh from £678
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Northern Ireland to Pittsburgh
Best flights from Northern Ireland to PittsburghDiscover carefully curated flight deals from Northern Ireland to Pittsburgh that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2025.
Discover carefully curated flight deals from Northern Ireland to Pittsburgh that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Northern Ireland to Pittsburgh that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastPittsburgh
BHD - PIT
BHDPIT
Belfast City
Thu 5/3
11:05-21:12
2 stops15h 07m
Pittsburgh
Mon 9/3
22:15-14:15
1 stop12h 00m
BelfastPittsburgh
BHD - PIT
BHDPIT
Belfast City
Sun 1/3
10:40-23:46
2 stops18h 06m
Pittsburgh
Wed 4/3
14:12-10:15
2 stops15h 03m
Best time to book a flight from Northern Ireland to Pittsburgh
Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Northern Ireland with our price prediction graph.
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Everything you need to know about your flight from Northern Ireland to Pittsburgh
Related info for your journey
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Alternative routes for Northern Ireland to Pittsburgh
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How does Cheapflights help users find flights from Northern Ireland to Pittsburgh?
Cheapflights helps you search for flights from Northern Ireland to Pittsburgh via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Pittsburgh?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Pittsburgh for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Northern Ireland to Pittsburgh with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Pittsburgh, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Northern Ireland to Pittsburgh become cheaper?
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