Peak Season:
The peak season in Antigua is the winter season, not only can you escape the dreadful English weather, but during December and April Antigua benefits from very dry but warm weather. Book your flights to Antigua in advance to save some money during this period as the island gets very busy with crowds. May and June offer similar weather and you might find cheap flights to Antigua then however there are lots of festivals on offer starting in May. This isn't a bad thing although it can push the price of flight tickets up by a considerable amount.
Off Season:
Between May and November is classed as the low season, the weather is still very pleasant, in fact July and August can almost be unbearable, although the end of July does host the Summer Carnival. It's a 10 day long festival which isn't to be missed if you’re in Antigua at that time of year, however if you do intend to visit make sure you book your flights to Antigua early as they can get very expensive. September to November is the hurricane season and Antigua isn't spared any punches. You'll find the cheapest flights to Antigua at this time of year although a lot of places might be closed or the dangerous weather could prevent you from doing a lot. The weather is still warm, although sometimes it gets very muggy.
Flights to Antigua are available almost all year round, and although you'll find discounts on your flight tickets during the hurricane season, you'll experience a lot more to spend a bit extra on your flights to Antigua. If you want to visit the Carnival, it's imperative to book your flights as early as you can to stand any chance of saving money on your flight tickets. April can fluctuate because Antigua holds a sailing competition, so book your flights in advance if you want to visit then. Generally you'll be able to find cheap flights to Antigua if you are flexible with your dates, especially if you're not fussed about the events and just want the stunning beaches. Weather permitting, you should be able to get a great view of the Caribbean islands if you sit on the left side of the plane.
Flights from London (All airports) to Antigua - 8 hours 45 minutes
Flights from Manchester to Antigua - 8 hours 30 minutes
Flights from Birmingham to Antigua - 9 hours 35 minutes
Flights from Glasgow to Antigua - 9 hours 40 minutes