Find the cheapest British Airways flights on Expedia from Boston (BOS) to Lerwick (LSI). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia with British Airways for this route in the past 7 days starts at £622 for travel on 7 December 2026.
£622 Cheap British Airways flights Boston (BOS) to Lerwick (LSI)
Prices were available within the past 7 days and start at £622 for one-way flights and £1,405 for return, for the period specified. Prices and availability are subject to change.