is typically the best time to fly to Mustique, but there are other times where great deals are available. May tends to be the warmest period in Mustique so if you are looking for sun or warmer climates then look to fly around this time. June is the wettest if you need to factor this in to your plans.
What time of day is cheapest to fly?
At the moment, there are flights only in the morning for your Mustique trip.