Travelers have found it’s best to book a flight 51 days in advance to save up to 38% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Massachusetts to London 1-2 weeks in advance for as low as $813, or $886 for flights within the next 24 hours.
The best pricing can be found in the month of February. Prices to London from Massachusetts average $634. You can even find prices in February for less than $634, as users have found deals to London from as low as $394. The month of June appears to be one of the more expensive times to travel to London from Massachusetts. Flying in the targeted month can save you up to 66%.