To save up to 59% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Belfast to Boise from £812 1-2 weeks out and tickets from £1,026 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Boise. Flights to Boise from Belfast in February are about £688 on average during February, but can be found for as low as £430.
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 Boise 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.
Temperatures around the 34 °Cs can be experienced in July. The weather in Boise is hotter than in Belfast. Plan for potential changes in flight availability as peak weather approaches in this location.