Flights from Belfast to Harrisburg International lean towards being more expensive in December. Prices are generally better when you fly from Belfast to Harrisburg International in February, with the cheapest ticket starting at £425.
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 Belfast and Harrisburg 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.
We forecast the temperature to be around the 30 °Cs in July, on average. The temperature in Harrisburg is generally hotter than in Belfast. Book flights in a timely manner in correlation to your departure date.