Cheap flights from St John to Boston
Know your dates, get live prices in seconds:
We work with more than 300 partners to bring you better travel deals
How to find the cheapest flight from
St John (YSJ) to Boston (BOS)
How far in advance should I book a flight from St John to Boston?
Find a great deal and save up to 84% by booking at least 34 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St John to Boston within the next two weeks, with the cheapest ticket starting at C$ 658.
What is the cheapest month to fly from St John to Boston?
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 Boston. Flights to Boston from St John in February are about C$ 355 on average during February, but can be found for as low as C$ 238.