
Currently, September is the cheapest month in which you can book a flight from Missouri to Grimsby (average of $459). Flying from Missouri to Grimsby in June is currently the most expensive (average of $768). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Missouri to Grimsby in the afternoon. Doing so could potentially save you 39% on the flight price compared to flying in the morning, which is usually more expensive.